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2021 Day 13 Complete!

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This commit is contained in:
Brian Buller 2021-12-13 07:21:35 -06:00
parent 00f1bff786
commit 8d22b9a32a
4 changed files with 1035 additions and 0 deletions
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929
2021/day13/input Normal file
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@ -0,0 +1,929 @@
1236,308
296,291
26,378
391,705
1272,434
1221,595
653,476
1274,52
97,54
1295,690
716,396
522,739
783,485
1227,171
159,463
152,241
611,892
373,459
912,10
601,614
1091,148
391,637
326,649
561,436
309,413
1268,610
237,411
348,668
745,259
1255,350
484,287
402,306
234,110
430,60
566,854
830,689
353,637
156,516
1200,254
237,259
574,438
565,859
1064,579
248,350
1076,802
773,683
1141,578
1057,371
1250,892
764,619
1160,345
883,254
1242,401
1129,287
1186,136
1190,162
932,52
961,175
157,540
229,502
1014,298
326,425
1298,57
745,812
987,207
296,674
94,834
338,548
856,842
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534,150
1139,444
78,96
604,52
485,764
875,604
1096,78
1063,507
1136,379
452,588
348,317
1082,219
1088,733
619,306
745,859
1195,351
912,894
120,162
1034,52
1119,283
694,534
246,803
316,570
214,856
150,113
714,77
744,40
1110,842
594,396
912,690
810,159
440,822
321,54
432,861
1190,380
132,58
323,207
1123,595
340,340
1288,49
127,485
110,254
1279,518
657,448
701,723
109,619
1155,114
576,126
170,327
1010,250
624,627
1087,665
1058,26
888,549
1258,701
724,661
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442,117
703,95
197,256
750,711
954,855
1302,607
1113,227
150,666
537,409
524,605
1136,827
338,346
1096,596
574,787
545,278
1131,159
1002,432
353,298
1134,228
1091,66
716,172
1191,836
1091,336
642,101
1072,292
1047,189
132,715
853,3
35,812
898,666
1250,577
202,728
16,175
853,891
117,623
119,388
537,623
673,562
952,855
266,172
966,495
393,764
812,791
272,602
545,275
673,145
745,595
1009,639
176,890
1001,413
852,345
320,471
422,661
547,77
1290,577
246,315
164,95
219,596
1042,77
1258,641
537,211
534,723
1289,735
490,52
104,189
1295,103
1091,784
1186,318
288,491
136,121
590,283
1123,483
676,317
110,192
653,782
156,513
574,14
6,471
1062,350
1217,458
1235,539
293,567
1283,59
686,155
202,754
827,733
323,655
1072,723
305,425
768,368
1277,32
52,701
1086,813
875,290
1052,493
12,389
811,285
358,338
273,843
169,316
113,49
413,551
706,233
637,775
176,4
430,50
880,50
201,590
1096,410
619,540
1274,842
472,375
780,318
929,51
422,549
38,460
818,315
775,254
227,618
977,802
1211,640
530,12
919,705
209,836
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929,359
1096,298
425,189
878,861
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750,101
1156,735
1275,812
830,343
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1193,354
729,147
296,596
537,683
191,283
989,502
228,891
586,849
952,338
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1280,556
1210,462
775,640
416,238
17,593
1119,723
1226,218
907,763
1099,679
780,128
308,407
381,107
1134,890
708,192
1310,350
982,320
1297,684
580,28
576,574
274,416
535,506
682,826
691,540
1044,717
773,409
719,282
517,830
766,702
932,842
344,838
825,130
1134,605
82,1
480,689
522,491
214,618
929,56
902,91
917,278
818,799
1257,723
483,385
937,843
758,172
80,803
146,507
176,325
467,287
852,793
1195,543
246,539
80,8
780,459
686,892
1298,289
185,175
400,882
247,507
976,607
206,408
669,460
171,444
1084,189
1113,172
537,872
972,548
252,26
1290,541
301,333
276,374
348,765
1101,46
1201,171
370,527
908,868
910,12
1014,556
1252,817
525,274
1082,667
1277,215
528,276
219,593
329,446
21,649
656,544
1175,499
222,733
353,703
586,45
586,717
1093,171
852,605
535,388
565,35
1017,567
1064,315
242,255
773,719
196,112
1198,374
460,291
579,539
23,707
118,52
994,353
673,640
510,823
1026,367
621,414
1233,707
460,332
638,728
381,278
574,456
616,534
985,446
984,68
565,812
840,129
196,101
995,800
701,171
1086,492
338,93
320,404
524,289
273,555
12,241
1203,784
1114,782
580,866
33,455
498,381
320,490
1165,108
112,618
875,817
929,339
564,263
541,49
214,148
1046,369
816,768
1097,14
1,866
30,892
301,639
1093,392
306,765
1037,51
864,842
305,175
52,80
1139,161
765,54
22,49
181,607
281,718
724,401
704,446
1125,271
13,145
224,728
749,234
10,570
1272,82
328,425
478,737
1125,175
115,7
490,767
1134,569
689,563
944,491
1159,16
1288,497
686,267
775,836
25,596
1073,635
689,396
999,56
1118,179
12,57
115,543
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47,95
530,459
820,127
1258,640
956,644
224,492
1134,442
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709,168
1125,63
1272,883
909,147
720,283
202,588
170,119
296,855
35,588
1277,563
107,817
909,523
93,10
976,791
1274,500
454,842
505,434
724,717
535,640
994,93
400,12
194,114
432,33
373,51
883,724
176,228
884,675
768,72
349,229
271,46
884,168
425,502
12,605
1252,77
662,551
1036,192
1141,764
594,562
805,434
110,631
393,278
982,126
893,259
171,733
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537,37
957,74
119,836
408,803
430,620
776,171
132,603
544,702
1304,471
750,681
820,763
937,754
164,842
803,588
977,502
1098,565
248,544
562,110
328,387
252,588
1226,676
1275,540
724,493
793,606
1183,228
1297,145
894,866
1206,637
537,354
117,872
254,12
673,705
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642,228
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639,782
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691,843
309,705
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202,870
529,528
668,57
353,820
214,298
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0,203
745,299
1292,407
1158,653
457,891
962,317
546,51
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426,3
435,66
478,829
381,499
214,822
300,250
219,828
82,768
485,130
209,204
1134,793
763,393
1092,661
545,54
624,338
624,556
156,791
850,506
326,835
1277,414
2,14
187,483
214,746
1257,168
864,394
1193,495
825,764
152,653
469,271
146,418
763,77
858,360
1113,443
1228,673
276,38
273,275
637,145
313,749
308,487
197,119
296,603
137,64
63,282
1263,760
714,817
484,42
422,345
137,736
127,676
1064,803
880,85
972,324
776,408
720,611
435,784
1190,648
1110,170
1160,666
0,691
984,516
1221,35
462,267
124,318
431,217
720,163
484,159
736,787
1310,691
1037,555
42,610
155,733
1310,842
1218,784
1014,220
440,78
135,499
1155,733
100,462
1114,549
536,500
328,506
1193,200
957,298
200,170
764,51
607,95
537,175
579,355
83,723
371,30
773,211
1193,683
100,432
219,53
273,56
283,30
264,525
580,199
976,9
567,19
1250,317
753,54
150,381
957,257
219,148
1293,189
200,724
438,799
930,192
1037,840
869,880
994,772
1265,170
82,344
478,65
328,350
33,480
806,333
349,5
883,52
417,35
251,131
373,802
704,222
1283,835
880,620
244,712
557,54
1158,515
1129,254
58,77
191,723
805,460
885,502
33,32
987,655
669,434
1298,101
1161,434
957,596
80,886
156,378
1140,42
430,834
310,495
1083,618
136,773
185,623
560,681
917,166
263,82
109,616
89,595
1086,81
545,59
929,395
654,282
637,254
601,107
522,263
972,346
989,54
1158,689
33,414
552,315
1005,425
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366,491
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1022,491
258,849
865,652
641,658
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55,350
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1027,30
1220,631
1292,487
38,11
1001,271
435,817
542,72
691,218
353,561
966,56
229,189
402,866
1102,500
832,228
1308,14
305,623
738,1
214,484
118,842
224,50
560,162
716,780
580,308
1101,200
229,392
27,835
570,415
301,298
281,802
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706,681
338,570
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21,735
249,828
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197,227
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90,631
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1114,112
536,394
599,544
897,551
793,64
570,218
1108,870
422,213
1173,606
775,388
185,271
324,574
552,579
1192,394
117,271
768,36
252,28
0,842
1110,52
381,838
1293,705
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654,724
1136,515
30,450
755,640
45,312
455,794
619,843
977,652
1258,39
176,569
691,306
152,827
291,218
473,80
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90,263
109,278
435,290
1113,256
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52,640
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1186,103
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940,395
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127,228
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1309,28
460,780
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504,289
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345,189
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1309,418
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820,767
1064,539
601,168
104,705
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1129,786
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607,799
1054,204
929,726
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1193,623
1072,171
540,117
202,166
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17,327
1,28
1111,442
499,733
581,147
1195,7
47,134
1221,147
1088,861
745,306
18,487
fold along x=655
fold along y=447
fold along x=327
fold along y=223
fold along x=163
fold along y=111
fold along x=81
fold along y=55
fold along x=40
fold along y=27
fold along y=13
fold along y=6

79
2021/day13/main.go Normal file
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@ -0,0 +1,79 @@
package main
import (
"fmt"
"strings"
h "git.bullercodeworks.com/brian/adventofcode/helpers"
)
func main() {
inp := h.StdinToStringSlice()
dots := h.CoordByteMap{
Field: make(map[h.Coordinate]byte),
}
var folds []h.Coordinate
var inst bool
for i := range inp {
if inst {
// folding instructions
pts := strings.Split(inp[i], "=")
v := h.Atoi(pts[1])
if pts[0][len(pts[0])-1] == 'x' {
folds = append(folds, h.Coordinate{X: v, Y: -1})
} else {
folds = append(folds, h.Coordinate{X: -1, Y: v})
}
} else if inp[i] == "" {
inst = true
} else {
// A dot
pts := strings.Split(inp[i], ",")
c := h.Coordinate{X: h.Atoi(pts[0]), Y: h.Atoi(pts[1])}
dots.Put(c, '#')
}
}
fmt.Println("# Part 1")
fmt.Println(len(doFolds(dots, []h.Coordinate{folds[0]}).Field))
fmt.Println()
fmt.Println("# Part 2")
dots = doFolds(dots, folds)
fmt.Println("Total Dots:", len(dots.Field))
for y := 0; y < dots.Height; y++ {
for x := 0; x < dots.Width; x++ {
b := dots.Get(h.Coordinate{X: x, Y: y})
if b != 0 {
fmt.Print("▓")
} else {
fmt.Print(" ")
}
}
fmt.Print("\n")
}
}
func doFolds(dots h.CoordByteMap, folds []h.Coordinate) h.CoordByteMap {
for i := range folds {
newDots := h.CoordByteMap{
Field: make(map[h.Coordinate]byte),
}
if folds[i].X != -1 {
for k := range dots.Field {
if k.X > folds[i].X {
k.X = folds[i].X - (k.X - folds[i].X)
}
newDots.Put(k, '#')
}
} else if folds[i].Y != -1 {
for k := range dots.Field {
if k.Y > folds[i].Y {
k.Y = folds[i].Y - (k.Y - folds[i].Y)
}
newDots.Put(k, '#')
}
}
dots = newDots
}
return dots
}

21
2021/day13/testinput Normal file
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@ -0,0 +1,21 @@
6,10
0,14
9,10
0,3
10,4
4,11
6,0
6,12
4,1
0,13
10,12
3,4
3,0
8,4
1,10
2,14
8,10
9,0
fold along y=7
fold along x=5

6
helpers/coordinateByteMap.go
View File

@ -39,6 +39,12 @@ func (m *CoordByteMap) Opt(pos Coordinate, def byte) byte {
func (m *CoordByteMap) Put(pos Coordinate, val byte) { func (m *CoordByteMap) Put(pos Coordinate, val byte) {
m.Field[pos] = val m.Field[pos] = val
if pos.X+1 > m.Width {
m.Width = pos.X + 1
}
if pos.Y+1 > m.Height {
m.Height = pos.Y + 1
}
} }
func (m CoordByteMap) String() string { func (m CoordByteMap) String() string {