2020 Day 19 & 20 Complete
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2020/day19/input
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2020/day19/input
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126: 116 104 | 107 95
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28: 104 | 95
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25: 116 95 | 33 104
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17: 98 104 | 14 95
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69: 120 104 | 86 95
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78: 49 95 | 57 104
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124: 95 36 | 104 74
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61: 104 39 | 95 30
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27: 99 95 | 41 104
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114: 50 104 | 102 95
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76: 83 95 | 116 104
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22: 95 133 | 104 53
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9: 104 71 | 95 63
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72: 65 104 | 90 95
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125: 77 95 | 60 104
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130: 104 44 | 95 69
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106: 33 95
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77: 104 20 | 95 101
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118: 95 104
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99: 95 32 | 104 54
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15: 95 116 | 104 116
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92: 104 132 | 95 23
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120: 66 95 | 37 104
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94: 53 104 | 16 95
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3: 104 107 | 95 10
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40: 95 36 | 104 38
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54: 95 104 | 104 95
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21: 97 104 | 16 95
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12: 104 54 | 95 49
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109: 104 16 | 95 33
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26: 76 95 | 106 104
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105: 49 104 | 133 95
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84: 104 131 | 95 72
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34: 104 91 | 95 112
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23: 126 104 | 15 95
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86: 104 81 | 95 113
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67: 104 107 | 95 49
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20: 95 53 | 104 16
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46: 97 95 | 107 104
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47: 95 33 | 104 53
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134: 104 10 | 95 32
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58: 95 32 | 104 116
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70: 2 95 | 40 104
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60: 95 96 | 104 19
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75: 129 104 | 122 95
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102: 124 104 | 26 95
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123: 104 53 | 95 118
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49: 104 95 | 28 104
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41: 104 43 | 95 16
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43: 95 104 | 104 104
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50: 95 119 | 104 64
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31: 95 7 | 104 130
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29: 62 95 | 79 104
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103: 55 95 | 56 104
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2: 22 95 | 123 104
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91: 85 104 | 13 95
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93: 95 30 | 104 134
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6: 104 33 | 95 57
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96: 53 104 | 97 95
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4: 95 27 | 104 75
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101: 49 104 | 118 95
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90: 56 104 | 100 95
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85: 10 28
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18: 95 32
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81: 104 35 | 95 110
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11: 42 31
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80: 95 108 | 104 110
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10: 104 28 | 95 95
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95: "b"
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16: 95 95 | 104 104
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115: 95 114 | 104 17
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0: 8 11
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33: 104 104
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14: 104 9 | 95 93
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30: 104 43
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133: 28 28
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53: 104 95 | 104 104
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63: 116 95 | 116 104
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68: 74 95 | 25 104
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1: 95 32 | 104 118
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110: 95 33 | 104 107
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111: 87 95 | 80 104
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5: 32 95 | 97 104
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79: 45 104 | 4 95
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88: 95 54 | 104 118
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122: 53 104 | 33 95
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32: 104 104 | 95 28
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42: 29 104 | 115 95
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129: 95 16 | 104 32
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7: 84 104 | 24 95
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112: 128 104 | 78 95
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119: 127 104 | 88 95
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82: 33 104 | 32 95
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45: 59 104 | 89 95
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37: 104 3 | 95 117
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100: 16 95 | 54 104
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59: 95 82 | 104 18
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98: 68 95 | 61 104
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132: 104 129 | 95 6
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83: 95 28 | 104 95
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44: 104 125 | 95 70
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62: 104 73 | 95 111
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107: 95 95 | 95 104
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38: 10 95 | 43 104
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8: 42
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36: 32 104 | 54 95
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39: 95 54
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117: 116 104 | 10 95
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52: 21 95 | 58 104
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56: 97 104 | 49 95
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24: 95 34 | 104 92
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57: 95 95
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87: 104 12 | 95 121
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127: 83 104 | 107 95
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108: 104 33 | 95 16
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97: 104 95 | 95 95
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113: 104 129 | 95 105
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19: 33 95 | 33 104
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73: 95 48 | 104 103
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13: 54 104 | 49 95
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116: 104 95
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64: 46 104 | 13 95
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55: 16 95 | 33 104
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71: 83 95 | 43 104
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65: 47 104 | 110 95
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35: 104 118 | 95 53
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51: 104 94 | 95 1
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128: 95 57 | 104 116
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121: 95 54 | 104 16
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66: 5 95 | 55 104
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131: 51 95 | 52 104
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74: 133 28
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89: 95 5 | 104 82
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104: "a"
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48: 67 104 | 109 95
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|
||||
abaaaaababaaabbbabbabbababbaaaaaabbbabaaaabbbaabbbaabbabbbaaababbabbbaaa
|
||||
bbbabbabbabababbbbbabbabbaaaaabbababaabbbbaabbab
|
||||
abaaaaaaaaabaabaaaaabbabaaaaaaba
|
||||
aaaababaaabbaaabababaaababaabaaa
|
||||
abbbbbabaabababaabbbaaab
|
||||
bbbbabbaaaaabbabbbaababa
|
||||
baababbaaaaabaaaaaaaaabbababbbaaabbaabaa
|
||||
abbbabaaaabaabaabaaabaab
|
||||
aaaabbabbababbabaabbbbabaababbabaabaaaaa
|
||||
aaaababababbbaabaaabaaaa
|
||||
abbabbababaaabaabbabbaaaabbabbbaabaababb
|
||||
babbabbabbbbbaabbbabaabb
|
||||
aababbabaaaaaabbbabbbbbbabbaabaabbbaabbb
|
||||
bbaaabbabababbbbaaaababaaabbbbbb
|
||||
abababbbbbbbbbbaababbbbbaabaaabaababbbbbbaabbaababaababaaaabaaaaababbabb
|
||||
aaaabaaabaaaaaaabbbbaabbaabaaaba
|
||||
abbbabaababaabaaaaaaaaab
|
||||
bbbababbbabbaabbaaabbaaaaaabbabaababbaabbbaababa
|
||||
baaaaabbababbabaabaababbaaaaaaabbababababbaabbaaabbbaaaa
|
||||
bbbababbbbbbabababbbabab
|
||||
abaaaaabbabababbaabbabbb
|
||||
bbbbbaababbbbaaaabaabbba
|
||||
bbbbbaabababbbbaabaaaabbaabbaaababbabbabababaaaa
|
||||
baabbaabbababaaaababaabbaaababaa
|
||||
abbbbbababaaaabaabbabbabbabbbbabaaabaabaaaabaaababaaabaababaababbbbbabba
|
||||
aaaabbabababaababaaabbbb
|
||||
baabaaaabbabbaaabbbaaaabaaabbbba
|
||||
baaaaaaaaaaabbaabababaab
|
||||
baabaababaababbaaabbabba
|
||||
aabababaabbbbbabbababbaabababaaaabbbbbaa
|
||||
ababbabbababaabbbbbabaab
|
||||
aababbabaabbababbaaabbbb
|
||||
bbbabaabaaaaabaaaabbaababbbbaaabbaaababaaabaaaba
|
||||
aaaabbbabbbbaaababaaabab
|
||||
bbbbbaaababbaabbababbbaa
|
||||
aaabbbabbababbbbabaaaaba
|
||||
bbabbbbbaabaabaabbbaabab
|
||||
baaaaaaabbbbbaabaabbaaaa
|
||||
baabaaaabaabbabbabbabaab
|
||||
aaaabababaabaaaabbbbbbba
|
||||
bbaaaabbbaaaaabaaabbaaabbaaabbabbbbbabbbababaabababaaabbbbbaaaaa
|
||||
baabbaabbababbabaabbbbaa
|
||||
aabbbbababbaaaaaaabbabbabbabbaabbabaabababaaabbbbabababaababaaabbaabbbaa
|
||||
bbabababbaaabbabbabaabbabbbbaaaaaabbabbbaaabbabb
|
||||
babaababbaabababaaababaa
|
||||
babbaabbbbbbabaabbabbaba
|
||||
babbbabbbaaaabaaabbaaaaabbaaabbb
|
||||
ababbbabaababbabbbbaaaaa
|
||||
abbaaabbbabababbbbbbbbba
|
||||
bbbaaaabbabaabababbaaabaabbabbbbabbabbaa
|
||||
bababbbabbbbaabbabbbabbb
|
||||
bbabbbbbaaaabbbbabbabaab
|
||||
aaabaabbababbababaabbaaababababbaababbababaaababbabaabbbabbaababbbbaabbababbabab
|
||||
baaaabaababaabaabbbbabaabaaabbbbbbbaabaa
|
||||
bababbbbababbbabbaabbabaaaaaaaba
|
||||
aababbbbbabaaababbaababa
|
||||
aaabbbaaababbabbaabbabaababbabbaaabbbaaa
|
||||
bbbababbaaabbbbbbbabbabbaababbabbababbbaaabaaaab
|
||||
abbabbababaaaaabaaaaaabbabbabaaa
|
||||
aaabbbaaaabababbababaaabbbbaaabbbbbbbaabbbbaaabbababbbaabbabbbaababababaabaabaabaaabbaab
|
||||
babaaaababaaabaabbbbbaba
|
||||
bbbabbabababaabaabaababa
|
||||
bbbbaaabbbbaaababbaababa
|
||||
bbbabbbabaababbaaaabbbbbaaaaaaab
|
||||
aabbaabababaabababaaaaba
|
||||
aaabbbbbaaabbbbbbabbabaa
|
||||
baabaabababaabababbababaabbbaabbbbbababa
|
||||
bbbbabaabbaabbaaaabbaabb
|
||||
babbbaabbabbbabbbaabbbba
|
||||
abbabababbbbaaabaaabbbabaabababaabbabbba
|
||||
baabababbaaababbbbbbbbba
|
||||
aabbbbabbaabaabaababbaab
|
||||
abbaabbabaabaabaabaababa
|
||||
baaabaaabbbaaababbbababbabbaaabbbbabbaaa
|
||||
abbbbbabbbbabbbabbbbabababbbbaba
|
||||
aababbbbbbabaaaaaaaababb
|
||||
ababbabbabbabaaaaabbaaabaabaabababaaabbbaaaabbbaaabbbababbababbb
|
||||
ababbabbbbabbaaaaababbba
|
||||
abbbabbababaaaabababaaabaaabaaaabbbbbabbabbbabbbbaaaaababbbbaababbbabbabaaabbbaa
|
||||
aabababababaabbaaabbabba
|
||||
aabbaaabbbabbbbbbbbababbbaaabbabaabaaaab
|
||||
babbbabbbbaaabbaaaabbaaaabaababa
|
||||
bbaaaababbabbabaabaababb
|
||||
aabababbaaaabbaaaababbba
|
||||
babbaabbaaaabbabaaababaa
|
||||
babaabaabababbbbabbaababaaababaaabbaabbb
|
||||
aababbaaabaaabaababbbbab
|
||||
bbabbbbabababbabbbabbabbabbaaaaabaaaaaab
|
||||
abbbabaaabbaaababaaabaaa
|
||||
bbababbbbbabaaaabbaabbbababbabbbbbbababbaaabaaaa
|
||||
baaaabaabbaabbaababbbbbbabaabbbbbbbaaaaaaabbbbbb
|
||||
baaabbabbabaababbbbbbaaaababbabaaabaabaaaaabbbaabaababaaaabbabbabaaabbbbaabbbbbb
|
||||
aabbaaabaaabbabaabbababbaaaaaaab
|
||||
ababaabababaababbbbabbabbbbabbaa
|
||||
baabbbaaabbaaabbaaababaa
|
||||
bbbbabbaaaaaaabbbaaabaab
|
||||
aabbbababbbbbabbabababaababbaabbbabaababbabbbabbbaaaaaabababbbab
|
||||
abaaaaaababbbbbbbaaababa
|
||||
baabbbaaabbabbaabbbbabbabaababbbbbabbbaaabbabbababbbbababbabbababbabbbaaabaababa
|
||||
bababaaaabbbaabababaaabbabbaaaab
|
||||
abbaaaaaaaaabbbbbabbaaabbbbbababbbabaaabaaaabbbbbbbabbbb
|
||||
aaaabbaabaababbbaaababbbaaaaababaababbbaaabaabbaabaabbbbaaaababbbaaabaab
|
||||
babbababbaaaaaabaabbabbb
|
||||
aabbaaababaaaaaaabbbbbba
|
||||
bbbabaaaabbaaabaaabaaabb
|
||||
bbabbaaababbbaabbbabababbbabaaabbaaabbaaaabaabbb
|
||||
aaabbaaaabbababbaabababbabbbbbabaaaaabaaaabaababaabbbbaa
|
||||
abaaaaaaaababbabbabababbbbabbbbaaabbababaabbaabbaababaaa
|
||||
abbabaaaaabaaabaabbbbaabbabaaababaabababbbaababaaaaabbaabbbbbbba
|
||||
bbaaaabbbbabbaaaabbbbaaa
|
||||
babababbbaababbaaaaaabbb
|
||||
aabababaaaabbbaababaaabbbaaaaaaaaaabaaaa
|
||||
baababbaaaabbbabaaaaabaabaaaaaaabbbaabababababba
|
||||
ababbbbbabbaaababbbbbabb
|
||||
baabaaaabaababaaababbbab
|
||||
bababaaaabaaaabbabbbbbba
|
||||
aaaabbaaaababbabaababbabbabbbbaa
|
||||
bbbbaaabbabaaaabbabbbabbaabbababaabbbaaa
|
||||
bbabaaabbaaaabaaababbabbababbaaaaaaaaaaabbbbbabb
|
||||
babababbaabbaaababbabaab
|
||||
babbabbbbabbbbbbbabbababbababbbbaabbbaabaababbab
|
||||
babaabaaabaaaabbbbbbbbab
|
||||
aaaabbaabaabbaaaaabababaabbabbabaabbbabaababbaab
|
||||
abaaaabbbaabbababaaaaaaaaaabbbaaabababaaabbbabba
|
||||
abaaabaababbbbbbaabbabbbbaaabbbb
|
||||
aaaabbbaaabaabaaabbaabab
|
||||
bbbbabaaaaaaabaaaabbbbaa
|
||||
abaaabaaaaababbbabaaabab
|
||||
ababbbbbbbabbabbaababaabaaaabaaabbaaabab
|
||||
aaabbabaababbbbaaaaaabbb
|
||||
aaaaabbabbbbbbaabbababbb
|
||||
bbbbaaaaabbbaaaaaabbaababaaaabaaaaabaabaababbbababbabbbbbbaababaaaababba
|
||||
bbaaabbaaabbbbabaaabbaab
|
||||
abbbaababaaabbbabaabbbaabbababbbabaabaaa
|
||||
baabaabbbbbaaababbabababbbaabbababbbbbbb
|
||||
bbbaaaabbbaabbaabbaaaaab
|
||||
ababbbbaaabbabaaaababaaa
|
||||
bbaaabaabbbbaaaaababbabbaabaabbbbaaabbbb
|
||||
aaabbbabaababababbaabbbb
|
||||
baabbbaabaaabbbabbbbbbaaababbbabbabbbbbabaaaabba
|
||||
bbabaaabababaabbaaaaabbaabaaaaaaabbababbbbbbbbbaabbbbbbbaabbbaaa
|
||||
aaabbbabaaaabbbbbabaabbb
|
||||
abbbaabababaabbaaababababbaababa
|
||||
aabbbbabaabaaaababbaabbbaabaaababaaabbababababaabbbaaaabaaaabaaaabbabbbaabaabbabaababaabbbabaabb
|
||||
aaabbbabbabbabbaaaabbabaabbbabbaabbaabab
|
||||
bbabbbbbaabbbbabbaaaaaba
|
||||
bbabaaabbbbbbaabaabbaaaa
|
||||
abbbaabababbbaababbbbbba
|
||||
babaabbaabbaaaaaabbbbbbb
|
||||
abaaabaaaaabaabbaabbbaab
|
||||
baabaaaaababaabaabaabbbbbbaabaaa
|
||||
aabbbbbaaabbaabaaababbba
|
||||
babaaabaaaaaabbabbbaaababbaabbba
|
||||
aaaabbbababababbabaaabbbbbbbbabaababababaababaaa
|
||||
ababbbbbbbbabaaaaaababaa
|
||||
bbaaabbaabbaaabbabbbaaab
|
||||
bbbbbaaababbbaabbabbaaba
|
||||
aabbbbabababbabbbaaaaabbabaaaabbbbababbb
|
||||
baaaaabbaabbbbbabbaabaaa
|
||||
baababbabbabbbbaaaaaaaaa
|
||||
bababaaabbaaaabaabbbaabaabbaaaab
|
||||
aaaababaaabbbbabaaabaabaabbabbbbbbbbbbab
|
||||
babaaabbaaaaaabbbbababaaabbbbbbbaabbabaabbababbabbbbaaabbaabbaaa
|
||||
baabaaaabbbababbaaababab
|
||||
bbaaabbabbbababbaabbabbb
|
||||
aabababbbabaabaabbaabaaa
|
||||
bbabaaabbababaaaababbaaabaabababbaaabaabbabbbbab
|
||||
abbbbbabaaabbabaaaababba
|
||||
baaabbabbabaaababaaababa
|
||||
baaaabaaaabbabaababbbbab
|
||||
babaabbabbbbabbaabaababb
|
||||
abbbabaaabbbaababaababbabbbabbbb
|
||||
bbaaabaababbaaabaabaabaaaaaaabbabbaaabbaaaababbbbababaabbbbbbbba
|
||||
abaaabbbbabaababaaaaababbbbaabaa
|
||||
abaabbabbaaababbaabbbaab
|
||||
bbbabbbaaababbabbaabaabbbbbabbababaaaabbbaabaaabbbbaabbbbbbaababbabbbbba
|
||||
ababbabaabaaaaaabbabbbab
|
||||
ababbaaaabbaaabbbaabbbaabbbabbbabbbbababbaabaaab
|
||||
abbbbabbbbaabbbaabaaaaaabaaaabaaabaabbaaabababbabaaaabbbaaabaaab
|
||||
babbabbaaaaaabbabbaaaaababaababbbbabbbabaabbbbbbaaaaaaba
|
||||
baabaaababbbbbaabbbaababaaaaaaab
|
||||
bbbbbbaabaabbabaabaababb
|
||||
bbbabaabbbbbbabaabbaabbaaabbaabababbbbaababbabaaabaabbba
|
||||
baabbbabbabaaaababaaaabbabbbaabaabbaaaaaabbaabaaabaabaababababab
|
||||
abbaaabaaababbbababbaaaabbbbaaabbbbbabbbabbbbbaaaaaaaabbbbaababbaaabbabbababbbabababbabb
|
||||
aaaaaabbabbaaabbaaaababb
|
||||
aaabbbababaabbbbbababbaabbaaaababaaabbbabbbbbbbbabaababa
|
||||
bbbababbaababbaabaaaabbb
|
||||
bbaaaabbbbabbbbbaabbaabb
|
||||
aaaabbbaaaabbaaabaaabaab
|
||||
aaabaabbababbabbabababba
|
||||
aabbabaaabbababbbaaaaaaabbbbabababbbaabbbbbaaaaa
|
||||
abaabbabbabbbabbbbababba
|
||||
abbaaaaaaababbabaaaabbaabaaaabbaabababab
|
||||
aaabbbbbabbabbabbbabaaababaababb
|
||||
babbbaabbabbbaabaaaaabaabababbbbbababbbbabbbbabb
|
||||
bbabbabbaaaaabababaabbababbababbaaaabbbbabbbabbbababbbba
|
||||
baabaababaabbabaaaaabbbababbbbbbbbabbabbbbbbaabaaaaabaab
|
||||
aababababaaababbbbababba
|
||||
baabbaaaaabbbbababaababb
|
||||
ababaaabbaabbaaaabbabbbb
|
||||
aaaababaaaabbaaaaabbaaaa
|
||||
baabbbaaabaaabbaabbbaaaaaaaaaaaa
|
||||
babababbaaaaaabbbaaababbaaaabbbaabbbbbababbbbbaaaabaabab
|
||||
babbbababbbbaaabaabbbabbbaaababbabbabaabbabaaabbabbaaabababbbabaababbbba
|
||||
bbbabbababaaaaaababaaaabbabbabbaaaabbbba
|
||||
bbabbaaaabaaaaaabbabababbbbbbabaabbabbbbaabaaaaabbaaaaab
|
||||
babbbbbbabaaaabbabababab
|
||||
baaababbbbbababbbabbabbb
|
||||
aaaabbbbabaabbbbabbaabaa
|
||||
bbbabbbabbbbaaabaaaabbaabbbbaaba
|
||||
bbbabbaaaaaabbbaababaababbbabbbb
|
||||
bababbaabbabbabbababaaababaabaaaabbaababbaaaaaaaaabbabbb
|
||||
bbabaaabbaabaababbaaabab
|
||||
aababbbbababaaabaabbbaaa
|
||||
abbbabaabaaababbbbabaaabbbbbababababaaaaaaaababb
|
||||
aaabbbbbbaabababbbbaabbb
|
||||
aaabbbaabaababbbbbbaabba
|
||||
baaabbbaabaaaaaabbbabbabaabaabbabaababaa
|
||||
abbabbabaaabbbbbabbbbbba
|
||||
bbbabbbabbbabaabbabbaaba
|
||||
bbabbbbaabbaabbabbbabaabababbabbbabbabbb
|
||||
bbbababbaabbbbabbaabbbabbbaaaaabaabaabab
|
||||
aaaaababaabaaabbbbbabbbbbbabaaab
|
||||
@ -2,7 +2,7 @@ package main
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"os"
|
||||
"regexp"
|
||||
"strings"
|
||||
|
||||
h "git.bullercodeworks.com/brian/adventofcode/helpers"
|
||||
@ -16,10 +16,6 @@ func main() {
|
||||
solve(inp, h.Atoi(part))
|
||||
}
|
||||
|
||||
var loopingTokens []int
|
||||
var allTokens map[int]*Token
|
||||
var totalRules int
|
||||
|
||||
/*
|
||||
8: 42 | 42 8
|
||||
11: 42 31 | 42 11 31
|
||||
@ -32,7 +28,6 @@ affect things as they repeat
|
||||
*/
|
||||
|
||||
func solve(inp []string, part int) {
|
||||
allTokens = make(map[int]*Token)
|
||||
var section int
|
||||
var rules []string
|
||||
var messages []string
|
||||
@ -48,241 +43,130 @@ func solve(inp []string, part int) {
|
||||
messages = append(messages, v)
|
||||
}
|
||||
}
|
||||
totalRules = len(rules)
|
||||
last := -1
|
||||
for RulesSolved() < totalRules && last != RulesSolved() {
|
||||
last = RulesSolved()
|
||||
for _, v := range rules {
|
||||
fmt.Println("Restarting Rules Parsing")
|
||||
pts := strings.Split(v, ": ")
|
||||
num := h.Atoi(pts[0])
|
||||
if part == 2 {
|
||||
if num == 8 {
|
||||
pts[1] = "42 | 42 8"
|
||||
} else if num == 11 {
|
||||
pts[1] = "42 31 | 42 11 31"
|
||||
}
|
||||
}
|
||||
if _, ok := allTokens[num]; !ok {
|
||||
GenerateToken(num, pts[1])
|
||||
}
|
||||
}
|
||||
}
|
||||
if RulesSolved() < totalRules {
|
||||
fmt.Println("Unable to solve all rules")
|
||||
os.Exit(1)
|
||||
}
|
||||
fmt.Println("Calculating Answer")
|
||||
var matches int
|
||||
for _, v := range messages {
|
||||
if allTokens[0].Matches(v) {
|
||||
matches++
|
||||
}
|
||||
}
|
||||
fmt.Printf("## Part 1\nAnswer: %d\n", matches)
|
||||
}
|
||||
|
||||
// RulesSolved TODO
|
||||
func RulesSolved() int {
|
||||
var ret int
|
||||
for k := range allTokens {
|
||||
if k >= 0 {
|
||||
ret++
|
||||
}
|
||||
}
|
||||
return ret
|
||||
}
|
||||
|
||||
// Token Kinds
|
||||
const (
|
||||
LEAF = iota
|
||||
STICK
|
||||
BRANCH
|
||||
)
|
||||
|
||||
// Token TODO
|
||||
type Token struct {
|
||||
kind int
|
||||
num int
|
||||
value string
|
||||
raw string
|
||||
|
||||
PartNums []int
|
||||
Parts []*Token
|
||||
|
||||
CachedValues []string
|
||||
Loops bool
|
||||
}
|
||||
|
||||
// GenerateToken TODO
|
||||
func GenerateToken(num int, raw string) *Token {
|
||||
if v, ok := allTokens[num]; ok {
|
||||
return v
|
||||
}
|
||||
t := Token{num: num, raw: raw}
|
||||
if raw[0] == '"' {
|
||||
t.value = strings.ReplaceAll(raw, "\"", "")
|
||||
t.kind = LEAF
|
||||
if part == 1 {
|
||||
solveOne(rules, messages)
|
||||
} else {
|
||||
if !strings.Contains(raw, "|") {
|
||||
t.kind = STICK
|
||||
var partTokens []*Token
|
||||
pts := strings.Split(raw, " ")
|
||||
for k := range pts {
|
||||
if pts[k] == "|" {
|
||||
continue
|
||||
}
|
||||
t.PartNums = append(t.PartNums, h.Atoi(pts[k]))
|
||||
solveTwo(rules, messages)
|
||||
}
|
||||
}
|
||||
|
||||
func solveOne(rules, messages []string) {
|
||||
reg := regexp.MustCompile(rulesToRegex(rules))
|
||||
var answer int
|
||||
for _, msg := range messages {
|
||||
if reg.MatchString(msg) {
|
||||
answer++
|
||||
}
|
||||
}
|
||||
fmt.Printf("## Part 1\nAnswer: %d\n", answer)
|
||||
}
|
||||
|
||||
func solveTwo(rules, messages []string) {
|
||||
// Figure out how many levels deep we have to go to stabilize
|
||||
var answer int
|
||||
var last []int
|
||||
for i := 0; i < 1000; i++ {
|
||||
answer = 0
|
||||
rules = unwrapLoops(rules, i)
|
||||
reg := regexp.MustCompile(rulesToRegex(rules))
|
||||
for _, msg := range messages {
|
||||
if reg.MatchString(msg) {
|
||||
answer++
|
||||
}
|
||||
solved := true
|
||||
for k := range t.PartNums {
|
||||
if v, ok := allTokens[t.PartNums[k]]; ok || h.IntSliceContains(loopingTokens, t.PartNums[k]) {
|
||||
partTokens = append(partTokens, v)
|
||||
} else {
|
||||
solved = false
|
||||
break
|
||||
}
|
||||
if isStable(last, 10) {
|
||||
break
|
||||
}
|
||||
last = append(last, answer)
|
||||
}
|
||||
fmt.Printf("## Part 2\nAnswer: %d\n", answer)
|
||||
}
|
||||
|
||||
func isStable(history []int, confidence int) bool {
|
||||
if len(history) < confidence {
|
||||
return false
|
||||
}
|
||||
last := h.MAX_INT
|
||||
for k := len(history) - 1; k > len(history)-confidence; k-- {
|
||||
if last == h.MAX_INT {
|
||||
last = history[k]
|
||||
continue
|
||||
}
|
||||
if history[k] != last {
|
||||
return false
|
||||
}
|
||||
}
|
||||
return true
|
||||
}
|
||||
|
||||
func unwrapLoops(rules []string, depth int) []string {
|
||||
for i := range rules {
|
||||
wrk := rules[i]
|
||||
if strings.HasPrefix(wrk, "8:") {
|
||||
wrk = "8: 42 +"
|
||||
} else if strings.HasPrefix(wrk, "11:") {
|
||||
rule := "42 31"
|
||||
for k := 2; k < depth; k++ {
|
||||
rule += " | "
|
||||
for j := 0; j < k; j++ {
|
||||
rule += " 42 "
|
||||
}
|
||||
for j := 0; j < k; j++ {
|
||||
rule += " 31 "
|
||||
}
|
||||
}
|
||||
if solved {
|
||||
t.Parts = partTokens
|
||||
wrk = "11: " + rule
|
||||
}
|
||||
rules[i] = wrk
|
||||
}
|
||||
return rules
|
||||
}
|
||||
|
||||
func rulesToRegex(rules []string) string {
|
||||
cache := make(map[int]string)
|
||||
for {
|
||||
if _, ok := cache[0]; ok {
|
||||
// We've cached 0, so we're all done
|
||||
break
|
||||
}
|
||||
loop:
|
||||
for _, rule := range rules {
|
||||
tokens := strings.Fields(rule)
|
||||
var num int
|
||||
fmt.Sscanf(tokens[0], "%d:", &num)
|
||||
if _, ok := cache[num]; ok {
|
||||
continue
|
||||
}
|
||||
} else {
|
||||
t.kind = BRANCH
|
||||
pts := strings.Split(raw, " ")
|
||||
for k := range pts {
|
||||
if pts[k] == "|" {
|
||||
continue
|
||||
}
|
||||
n := h.Atoi(pts[k])
|
||||
if n == num {
|
||||
if !h.IntSliceContains(loopingTokens, t.num) {
|
||||
fmt.Println(num, "IS A LOOPING TOKEN")
|
||||
loopingTokens = append(loopingTokens, t.num)
|
||||
t.Loops = true
|
||||
tokens = tokens[1:]
|
||||
// A 'leaf'
|
||||
if len(tokens) == 1 && tokens[0][0] == '"' {
|
||||
cache[num] = string(tokens[0][1])
|
||||
continue
|
||||
}
|
||||
// All other rules
|
||||
ruleReg := "(?:"
|
||||
for _, tkn := range tokens {
|
||||
c := tkn[0]
|
||||
switch {
|
||||
case '0' <= c && c <= '9':
|
||||
tknN := h.Atoi(tkn)
|
||||
subRuleReg, ok := cache[tknN]
|
||||
if !ok {
|
||||
continue loop
|
||||
}
|
||||
ruleReg += subRuleReg
|
||||
case c == '|':
|
||||
ruleReg += "|"
|
||||
case c == '+':
|
||||
ruleReg += "+"
|
||||
default:
|
||||
panic("Error building RegEx:" + tkn)
|
||||
}
|
||||
}
|
||||
branches := strings.Split(raw, " | ")
|
||||
var partTokens []*Token
|
||||
for k, branch := range branches {
|
||||
branchID := -(num*1000 + k)
|
||||
t.PartNums = append(t.PartNums, branchID)
|
||||
p := GenerateToken(branchID, branch)
|
||||
if p.Solved() {
|
||||
allTokens[branchID] = p
|
||||
partTokens = append(partTokens, p)
|
||||
} else {
|
||||
continue
|
||||
}
|
||||
}
|
||||
solved := true
|
||||
for _, bid := range t.PartNums {
|
||||
if _, ok := allTokens[bid]; !ok {
|
||||
solved = false
|
||||
break
|
||||
}
|
||||
}
|
||||
if solved {
|
||||
t.Parts = partTokens
|
||||
}
|
||||
ruleReg += ")"
|
||||
cache[num] = ruleReg
|
||||
}
|
||||
}
|
||||
if t.Solved() {
|
||||
allTokens[num] = &t
|
||||
} else {
|
||||
fmt.Println("> Couldn't Solve", num)
|
||||
}
|
||||
return &t
|
||||
}
|
||||
|
||||
// Solved TODO
|
||||
func (t *Token) Solved() bool {
|
||||
return len(t.Values()) > 0
|
||||
}
|
||||
|
||||
// Values TODO
|
||||
func (t *Token) Values() []string {
|
||||
switch t.kind {
|
||||
case LEAF:
|
||||
return t.LeafValue()
|
||||
case STICK:
|
||||
return t.StickValue()
|
||||
case BRANCH:
|
||||
return t.BranchValue()
|
||||
default:
|
||||
return []string{}
|
||||
}
|
||||
}
|
||||
|
||||
// LeafValue TODO
|
||||
func (t *Token) LeafValue() []string {
|
||||
return []string{t.value}
|
||||
}
|
||||
|
||||
// StickValue TODO
|
||||
func (t *Token) StickValue() []string {
|
||||
if len(t.Parts) < len(t.PartNums) {
|
||||
return []string{}
|
||||
}
|
||||
if len(t.CachedValues) > 0 {
|
||||
return t.CachedValues
|
||||
}
|
||||
var ret []string
|
||||
for k := range t.Parts {
|
||||
if len(ret) == 0 {
|
||||
ret = t.Parts[k].Values()
|
||||
} else {
|
||||
var newRet []string
|
||||
for rk := range ret {
|
||||
newRet = append(newRet, h.AppendStrings(ret[rk], t.Parts[k].Values())...)
|
||||
}
|
||||
ret = newRet
|
||||
}
|
||||
}
|
||||
t.CachedValues = ret
|
||||
return ret
|
||||
}
|
||||
|
||||
// BranchValue TODO
|
||||
func (t *Token) BranchValue() []string {
|
||||
if len(t.Parts) < len(t.PartNums) {
|
||||
return []string{}
|
||||
}
|
||||
if len(t.CachedValues) > 0 {
|
||||
return t.CachedValues
|
||||
}
|
||||
var ret []string
|
||||
for k := range t.Parts {
|
||||
ret = append(ret, t.Parts[k].Values()...)
|
||||
}
|
||||
t.CachedValues = ret
|
||||
return ret
|
||||
}
|
||||
|
||||
// Matches actually tests a message against this token
|
||||
func (t *Token) Matches(msg string) bool {
|
||||
for _, v := range t.Values() {
|
||||
if msg == v {
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
func (t Token) String() string {
|
||||
return fmt.Sprintf("{num:%d, kind:%s, partNums:%v, value:%v}", t.num, KindToString(t.kind), t.PartNums, t.Values())
|
||||
}
|
||||
|
||||
// KindToString TODO
|
||||
func KindToString(kind int) string {
|
||||
switch kind {
|
||||
case LEAF:
|
||||
return "LEAF"
|
||||
case STICK:
|
||||
return "STICK"
|
||||
case BRANCH:
|
||||
return "BRANCH"
|
||||
default:
|
||||
return "UNKNOWN"
|
||||
}
|
||||
// We should be done now, we just want an exact match on rule 0
|
||||
return "^" + cache[0] + "$"
|
||||
}
|
||||
|
||||
47
2020/day19/testinput
Normal file
47
2020/day19/testinput
Normal file
@ -0,0 +1,47 @@
|
||||
42: 9 14 | 10 1
|
||||
9: 14 27 | 1 26
|
||||
10: 23 14 | 28 1
|
||||
1: "a"
|
||||
11: 42 31
|
||||
5: 1 14 | 15 1
|
||||
19: 14 1 | 14 14
|
||||
12: 24 14 | 19 1
|
||||
16: 15 1 | 14 14
|
||||
31: 14 17 | 1 13
|
||||
6: 14 14 | 1 14
|
||||
2: 1 24 | 14 4
|
||||
0: 8 11
|
||||
13: 14 3 | 1 12
|
||||
15: 1 | 14
|
||||
17: 14 2 | 1 7
|
||||
23: 25 1 | 22 14
|
||||
28: 16 1
|
||||
4: 1 1
|
||||
20: 14 14 | 1 15
|
||||
3: 5 14 | 16 1
|
||||
27: 1 6 | 14 18
|
||||
14: "b"
|
||||
21: 14 1 | 1 14
|
||||
25: 1 1 | 1 14
|
||||
22: 14 14
|
||||
8: 42
|
||||
26: 14 22 | 1 20
|
||||
18: 15 15
|
||||
7: 14 5 | 1 21
|
||||
24: 14 1
|
||||
|
||||
abbbbbabbbaaaababbaabbbbabababbbabbbbbbabaaaa
|
||||
bbabbbbaabaabba
|
||||
babbbbaabbbbbabbbbbbaabaaabaaa
|
||||
aaabbbbbbaaaabaababaabababbabaaabbababababaaa
|
||||
bbbbbbbaaaabbbbaaabbabaaa
|
||||
bbbababbbbaaaaaaaabbababaaababaabab
|
||||
ababaaaaaabaaab
|
||||
ababaaaaabbbaba
|
||||
baabbaaaabbaaaababbaababb
|
||||
abbbbabbbbaaaababbbbbbaaaababb
|
||||
aaaaabbaabaaaaababaa
|
||||
aaaabbaaaabbaaa
|
||||
aaaabbaabbaaaaaaabbbabbbaaabbaabaaa
|
||||
babaaabbbaaabaababbaabababaaab
|
||||
aabbbbbaabbbaaaaaabbbbbababaaaaabbaaabba
|
||||
1728
2020/day20/input
Normal file
1728
2020/day20/input
Normal file
File diff suppressed because it is too large
Load Diff
@ -26,7 +26,9 @@ func init() {
|
||||
}
|
||||
for y := range monster {
|
||||
for x := range monster[y] {
|
||||
SeaMonster[h.Coordinate{X: x, Y: y}] = monster[y][x] == '#'
|
||||
if monster[y][x] == '#' {
|
||||
SeaMonster[h.Coordinate{X: x, Y: y}] = true
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -58,12 +60,8 @@ func solve(inp []string, part int) {
|
||||
for x := range image[y] {
|
||||
if image[y][x] {
|
||||
waves++
|
||||
fmt.Print("#")
|
||||
} else {
|
||||
fmt.Print(" ")
|
||||
}
|
||||
}
|
||||
fmt.Println()
|
||||
}
|
||||
fmt.Println("## Part2\nAnswer:", waves)
|
||||
}
|
||||
@ -200,11 +198,6 @@ func buildMapFromTiles(tiles map[int]*Tile) [][]bool {
|
||||
func monsterSlayer(inp [][]bool) [][]bool {
|
||||
var found bool
|
||||
for r := 0; r < 8; r++ {
|
||||
if r == 6 {
|
||||
// This is the correct orientation
|
||||
fmt.Println("Rotation:", r)
|
||||
PrintMap(inp)
|
||||
}
|
||||
for y := range inp {
|
||||
for x := range inp[y] {
|
||||
match := true
|
||||
@ -232,7 +225,6 @@ func monsterSlayer(inp [][]bool) [][]bool {
|
||||
}
|
||||
}
|
||||
if found {
|
||||
fmt.Println("Found, breaking")
|
||||
break
|
||||
}
|
||||
if r&1 == 0 {
|
||||
@ -284,3 +276,39 @@ func PrintMap(inp [][]bool) {
|
||||
fmt.Println()
|
||||
}
|
||||
}
|
||||
|
||||
func PrintCoordMap(m map[h.Coordinate]bool) {
|
||||
minX := h.MAX_INT
|
||||
maxX := h.MIN_INT
|
||||
minY := h.MAX_INT
|
||||
maxY := h.MIN_INT
|
||||
|
||||
for k := range m {
|
||||
if k.X < minX {
|
||||
minX = k.X
|
||||
}
|
||||
if k.X > maxX {
|
||||
maxX = k.X
|
||||
}
|
||||
if k.Y < minY {
|
||||
minY = k.Y
|
||||
}
|
||||
if k.Y > maxY {
|
||||
maxY = k.Y
|
||||
}
|
||||
}
|
||||
for y := minY; y <= maxY; y++ {
|
||||
for x := minX; x <= maxX; x++ {
|
||||
if v, ok := m[h.Coordinate{X: x, Y: y}]; ok {
|
||||
if v {
|
||||
fmt.Print("#")
|
||||
} else {
|
||||
fmt.Print(".")
|
||||
}
|
||||
} else {
|
||||
fmt.Print(".")
|
||||
}
|
||||
}
|
||||
fmt.Println()
|
||||
}
|
||||
}
|
||||
|
||||
107
2020/day20/testinput
Normal file
107
2020/day20/testinput
Normal file
@ -0,0 +1,107 @@
|
||||
Tile 2311:
|
||||
..##.#..#.
|
||||
##..#.....
|
||||
#...##..#.
|
||||
####.#...#
|
||||
##.##.###.
|
||||
##...#.###
|
||||
.#.#.#..##
|
||||
..#....#..
|
||||
###...#.#.
|
||||
..###..###
|
||||
|
||||
Tile 1951:
|
||||
#.##...##.
|
||||
#.####...#
|
||||
.....#..##
|
||||
#...######
|
||||
.##.#....#
|
||||
.###.#####
|
||||
###.##.##.
|
||||
.###....#.
|
||||
..#.#..#.#
|
||||
#...##.#..
|
||||
|
||||
Tile 1171:
|
||||
####...##.
|
||||
#..##.#..#
|
||||
##.#..#.#.
|
||||
.###.####.
|
||||
..###.####
|
||||
.##....##.
|
||||
.#...####.
|
||||
#.##.####.
|
||||
####..#...
|
||||
.....##...
|
||||
|
||||
Tile 1427:
|
||||
###.##.#..
|
||||
.#..#.##..
|
||||
.#.##.#..#
|
||||
#.#.#.##.#
|
||||
....#...##
|
||||
...##..##.
|
||||
...#.#####
|
||||
.#.####.#.
|
||||
..#..###.#
|
||||
..##.#..#.
|
||||
|
||||
Tile 1489:
|
||||
##.#.#....
|
||||
..##...#..
|
||||
.##..##...
|
||||
..#...#...
|
||||
#####...#.
|
||||
#..#.#.#.#
|
||||
...#.#.#..
|
||||
##.#...##.
|
||||
..##.##.##
|
||||
###.##.#..
|
||||
|
||||
Tile 2473:
|
||||
#....####.
|
||||
#..#.##...
|
||||
#.##..#...
|
||||
######.#.#
|
||||
.#...#.#.#
|
||||
.#########
|
||||
.###.#..#.
|
||||
########.#
|
||||
##...##.#.
|
||||
..###.#.#.
|
||||
|
||||
Tile 2971:
|
||||
..#.#....#
|
||||
#...###...
|
||||
#.#.###...
|
||||
##.##..#..
|
||||
.#####..##
|
||||
.#..####.#
|
||||
#..#.#..#.
|
||||
..####.###
|
||||
..#.#.###.
|
||||
...#.#.#.#
|
||||
|
||||
Tile 2729:
|
||||
...#.#.#.#
|
||||
####.#....
|
||||
..#.#.....
|
||||
....#..#.#
|
||||
.##..##.#.
|
||||
.#.####...
|
||||
####.#.#..
|
||||
##.####...
|
||||
##..#.##..
|
||||
#.##...##.
|
||||
|
||||
Tile 3079:
|
||||
#.#.#####.
|
||||
.#..######
|
||||
..#.......
|
||||
######....
|
||||
####.#..#.
|
||||
.#...#.##.
|
||||
#.#####.##
|
||||
..#.###...
|
||||
..#.......
|
||||
..#.###...
|
||||
@ -14,6 +14,10 @@ func NewCoordinate(x, y int) *Coordinate {
|
||||
return &Coordinate{x, y}
|
||||
}
|
||||
|
||||
func (c Coordinate) Relative(t Coordinate) Coordinate {
|
||||
return Coordinate{X: c.X + t.X, Y: c.Y + t.Y}
|
||||
}
|
||||
|
||||
func (c *Coordinate) North() Coordinate {
|
||||
return Coordinate{X: c.X, Y: c.Y - 1}
|
||||
}
|
||||
|
||||
@ -263,6 +263,25 @@ func StringSliceContains(h []string, n string) bool {
|
||||
return false
|
||||
}
|
||||
|
||||
// IntSliceContains takes an int slice and an int and return true
|
||||
// if the int is in the slice
|
||||
func IntSliceContains(h []int, n int) bool {
|
||||
for _, v := range h {
|
||||
if v == n {
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
// AppendString returns a slice of strings that are base+group[...]
|
||||
func AppendStrings(base string, group []string) []string {
|
||||
for k, v := range group {
|
||||
group[k] = base + v
|
||||
}
|
||||
return group
|
||||
}
|
||||
|
||||
// IsPrime takes a number and return true if that number is prime
|
||||
func IsPrime(value int) bool {
|
||||
for i := 2; i <= int(math.Floor(float64(value)/2)); i++ {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user