Add Problem
Add getinput on aoc
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2023/day07/problem
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2023/day07/problem
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[1]Advent of Code
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br0xen [7](AoC++) 14*
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--- Day 7: Camel Cards ---
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Your all-expenses-paid trip turns out to be a one-way, five-minute ride in
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an [16]airship. (At least it's a cool airship!) It drops you off at the
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edge of a vast desert and descends back to Island Island.
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"Did you bring the parts?"
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You turn around to see an Elf completely covered in white clothing,
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wearing goggles, and riding a large [17]camel.
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"Did you bring the parts?" she asks again, louder this time. You aren't
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sure what parts she's looking for; you're here to figure out why the sand
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stopped.
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"The parts! For the sand, yes! Come with me; I will show you." She beckons
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you onto the camel.
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After riding a bit across the sands of Desert Island, you can see what
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look like very large rocks covering half of the horizon. The Elf explains
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that the rocks are all along the part of Desert Island that is directly
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above Island Island, making it hard to even get there. Normally, they use
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big machines to move the rocks and filter the sand, but the machines have
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broken down because Desert Island recently stopped receiving the parts
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they need to fix the machines.
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You've already assumed it'll be your job to figure out why the parts
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stopped when she asks if you can help. You agree automatically.
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Because the journey will take a few days, she offers to teach you the game
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of Camel Cards. Camel Cards is sort of similar to [18]poker except it's
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designed to be easier to play while riding a camel.
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In Camel Cards, you get a list of hands, and your goal is to order them
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based on the strength of each hand. A hand consists of five cards labeled
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one of A, K, Q, J, T, 9, 8, 7, 6, 5, 4, 3, or 2. The relative strength of
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each card follows this order, where A is the highest and 2 is the lowest.
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Every hand is exactly one type. From strongest to weakest, they are:
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• Five of a kind, where all five cards have the same label: AAAAA
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• Four of a kind, where four cards have the same label and one card has
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a different label: AA8AA
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• Full house, where three cards have the same label, and the remaining
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two cards share a different label: 23332
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• Three of a kind, where three cards have the same label, and the
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remaining two cards are each different from any other card in the
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hand: TTT98
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• Two pair, where two cards share one label, two other cards share a
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second label, and the remaining card has a third label: 23432
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• One pair, where two cards share one label, and the other three cards
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have a different label from the pair and each other: A23A4
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• High card, where all cards' labels are distinct: 23456
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Hands are primarily ordered based on type; for example, every full house
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is stronger than any three of a kind.
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If two hands have the same type, a second ordering rule takes effect.
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Start by comparing the first card in each hand. If these cards are
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different, the hand with the stronger first card is considered stronger.
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If the first card in each hand have the same label, however, then move on
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to considering the second card in each hand. If they differ, the hand with
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the higher second card wins; otherwise, continue with the third card in
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each hand, then the fourth, then the fifth.
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So, 33332 and 2AAAA are both four of a kind hands, but 33332 is stronger
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because its first card is stronger. Similarly, 77888 and 77788 are both a
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full house, but 77888 is stronger because its third card is stronger (and
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both hands have the same first and second card).
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To play Camel Cards, you are given a list of hands and their corresponding
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bid (your puzzle input). For example:
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32T3K 765
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T55J5 684
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KK677 28
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KTJJT 220
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QQQJA 483
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This example shows five hands; each hand is followed by its bid amount.
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Each hand wins an amount equal to its bid multiplied by its rank, where
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the weakest hand gets rank 1, the second-weakest hand gets rank 2, and so
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on up to the strongest hand. Because there are five hands in this example,
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the strongest hand will have rank 5 and its bid will be multiplied by 5.
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So, the first step is to put the hands in order of strength:
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• 32T3K is the only one pair and the other hands are all a stronger
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type, so it gets rank 1.
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• KK677 and KTJJT are both two pair. Their first cards both have the
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same label, but the second card of KK677 is stronger (K vs T), so
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KTJJT gets rank 2 and KK677 gets rank 3.
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• T55J5 and QQQJA are both three of a kind. QQQJA has a stronger first
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card, so it gets rank 5 and T55J5 gets rank 4.
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Now, you can determine the total winnings of this set of hands by adding
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up the result of multiplying each hand's bid with its rank (765 * 1 + 220
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* 2 + 28 * 3 + 684 * 4 + 483 * 5). So the total winnings in this example
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are 6440.
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Find the rank of every hand in your set. What are the total winnings?
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Your puzzle answer was 251287184.
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--- Part Two ---
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To make things a little more interesting, the Elf introduces one
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additional rule. Now, J cards are [19]jokers - wildcards that can act like
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whatever card would make the hand the strongest type possible.
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To balance this, J cards are now the weakest individual cards, weaker even
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than 2. The other cards stay in the same order: A, K, Q, T, 9, 8, 7, 6, 5,
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4, 3, 2, J.
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J cards can pretend to be whatever card is best for the purpose of
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determining hand type; for example, QJJQ2 is now considered four of a
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kind. However, for the purpose of breaking ties between two hands of the
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same type, J is always treated as J, not the card it's pretending to be:
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JKKK2 is weaker than QQQQ2 because J is weaker than Q.
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Now, the above example goes very differently:
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32T3K 765
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T55J5 684
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KK677 28
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KTJJT 220
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QQQJA 483
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• 32T3K is still the only one pair; it doesn't contain any jokers, so
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its strength doesn't increase.
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• KK677 is now the only two pair, making it the second-weakest hand.
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• T55J5, KTJJT, and QQQJA are now all four of a kind! T55J5 gets rank 3,
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QQQJA gets rank 4, and KTJJT gets rank 5.
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With the new joker rule, the total winnings in this example are 5905.
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Using the new joker rule, find the rank of every hand in your set. What
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are the new total winnings?
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Your puzzle answer was 250757288.
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Both parts of this puzzle are complete! They provide two gold stars: **
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At this point, you should [20]return to your Advent calendar and try
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another puzzle.
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If you still want to see it, you can [21]get your puzzle input.
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You can also [Shareon [22]Twitter [23]Mastodon] this puzzle.
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References
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Visible links
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1. https://adventofcode.com/
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2. https://adventofcode.com/2023/about
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3. https://adventofcode.com/2023/events
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4. https://teespring.com/stores/advent-of-code
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5. https://adventofcode.com/2023/settings
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6. https://adventofcode.com/2023/auth/logout
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7. Advent of Code Supporter
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https://adventofcode.com/2023/support
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8. https://adventofcode.com/2023
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9. https://adventofcode.com/2023
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10. https://adventofcode.com/2023/support
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11. https://adventofcode.com/2023/sponsors
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12. https://adventofcode.com/2023/leaderboard
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13. https://adventofcode.com/2023/stats
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14. https://adventofcode.com/2023/sponsors
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15. https://shopify.engineering/
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16. https://en.wikipedia.org/wiki/Airship
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17. https://en.wikipedia.org/wiki/Dromedary
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18. https://en.wikipedia.org/wiki/List_of_poker_hands
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19. https://en.wikipedia.org/wiki/Joker_(playing_card)
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20. https://adventofcode.com/2023
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21. https://adventofcode.com/2023/day/7/input
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22. https://twitter.com/intent/tweet?text=I%27ve+completed+%22Camel+Cards%22+%2D+Day+7+%2D+Advent+of+Code+2023&url=https%3A%2F%2Fadventofcode%2Ecom%2F2023%2Fday%2F7&related=ericwastl&hashtags=AdventOfCode
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23. javascript:void(0);
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63
sbin/aoc
63
sbin/aoc
@ -1,14 +1,11 @@
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#!/bin/bash
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today() {
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echo "Going to today"
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TODAYDIR="$AOCROOT/$CURRYEAR/day$CURRDAY"
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if [ ! -d $TODAYDIR ]; then
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echo "> Doesn't exist, making"
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mkdir $TODAYDIR
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fi
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echo "> cd $TODAYDIR"
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cd $TODAYDIR
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echo $TODAYDIR
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}
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getsharelink() {
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@ -29,6 +26,7 @@ getsharelink() {
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getproblem() {
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YR=$CURRYEAR
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DY=$CURRDAY
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DIRDY=$CURRDAY
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PWD=$(pwd)
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PWD=${PWD#$AOCROOT/}
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@ -38,7 +36,10 @@ getproblem() {
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DY=${DY/day0/}
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DY=${DY/day/}
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fi
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cd "$AOCROOT/$YR/day$DY"
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if [[ ! -d "$AOCROOT/$YR/day$DIRDY" ]]; then
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mkdir "$AOCROOT/$YR/day$DIRDY"
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fi
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cd "$AOCROOT/$YR/day$DIRDY"
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if [[ -f "problem" ]]; then
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echo "Found problem file."
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if [[ $1 != "-f" ]]; then
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@ -51,10 +52,46 @@ getproblem() {
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# Remove any zero padding from day
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DY=$(echo "$CURRDAY"|awk '$0*=1')
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echo "Getting problem at $CURRYEAR/day/$DY"
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# elinks -dump https://adventofcode.com/$CURRYEAR/day/$DY > problem
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elinks -dump https://adventofcode.com/$CURRYEAR/day/$DY > problem
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vim problem
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}
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getinput() {
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YR=$CURRYEAR
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DY=$CURRDAY
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DIRDY=$CURRDAY
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PWD=$(pwd)
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PWD=${PWD#$AOCROOT/}
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if [[ "$PWD" =~ ^[1-9][0-9]{3}/day[0-2][0-9]$ ]]; then
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YR=${PWD:0:4}
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DY=${PWD:5:5}
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DY=${DY/day0/}
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DY=${DY/day/}
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fi
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if [[ ! -d "$AOCROOT/$YR/day$DIRDY" ]]; then
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mkdir "$AOCROOT/$YR/day$DIRDY"
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fi
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cd "$AOCROOT/$YR/day$DIRDY"
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if [[ -f "input" ]]; then
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echo "Found input file."
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if [[ $1 != "-f" ]]; then
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# Check if the file already exists
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echo "Not forcing overwrite."
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exit 1
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fi
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fi
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# Remove any zero padding from day
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DY=$(echo "$CURRDAY"|awk '$0*=1')
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echo "Getting input for $CURRYEAR/day/$DY"
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echo "https://adventofcode.com/$CURRYEAR/day/$DY/input"
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echo "session=$(getsessiontoken)"
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curl --cookie "session=$(getsessiontoken)" https://adventofcode.com/$CURRYEAR/day/$DY/input > input
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# elinks -dump https://adventofcode.com/$CURRYEAR/day/$DY/input > input
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# elinks -dump https://adventofcode.com/$CURRYEAR/day/$DY/input
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}
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getsessiontoken() {
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FULLCOOKIE=$(grep "adventofcode" $HOME/.elinks/cookies)
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if [[ ! -n "$FULLCOOKIE" ]]; then
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@ -68,10 +105,16 @@ help() {
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echo "Usage: aoc [option]"
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echo "Available Options:"
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echo ""
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echo " today - Echo the current day's directory, creating it if it doesn't exist"
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echo ""
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echo " getproblem - Retrieve the problem for the day associated with the current directory"
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echo " If the current directory isn't a specific problem (\d\d\d\d/day\d\d/)"
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echo " then it changes to today's directory, making it if needed"
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echo ""
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echo " getinput - Retrieve the input for the day associated with the current directory"
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echo " If the current directory isn't a specific problem (\d\d\d\d/day\d\d/)"
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echo " then it changes to today's directory, making it if needed"
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echo ""
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echo " getsessiontoken - Echo the session token from the elinks cookie file"
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echo ""
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echo " getsharelink - Get the repo remote path for the main.go file in the current directory"
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@ -83,8 +126,14 @@ help() {
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}
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case $1 in
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"today")
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today
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;;
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"getproblem")
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getproblem $2
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getproblem
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;;
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"getinput")
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getinput
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;;
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"getsessiontoken")
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getsessiontoken
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