Day 2 part 1 complete!
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parent
83ae802789
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4
Makefile
4
Makefile
@ -13,6 +13,10 @@ day1: day1/p1.c day1/p2.c
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${CC} ${CFLAGS} $@/p1.c -o bin/$@p1
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${CC} ${CFLAGS} $@/p2.c -o bin/$@p2
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day2: day2/p1.c day2/p2.c
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${CC} ${CFLAGS} $@/p1.c -o bin/$@p1
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# ${CC} ${CFLAGS} $@/p2.c -o bin/$@p2
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clean:
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rm -f bin/day*p*
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100
day2/in.my
Normal file
100
day2/in.my
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@ -0,0 +1,100 @@
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Game 1: 3 blue, 2 green, 6 red; 17 green, 4 red, 8 blue; 2 red, 1 green, 10 blue; 1 blue, 5 green
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Game 2: 9 red, 2 green; 5 red, 1 blue, 6 green; 3 green, 13 red, 1 blue; 3 red, 6 green; 1 blue, 14 red, 6 green
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Game 3: 6 red, 3 blue, 8 green; 6 blue, 12 green, 15 red; 3 blue, 18 green, 4 red
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Game 4: 1 blue, 4 red; 2 blue, 6 red; 13 blue; 11 blue, 1 green, 8 red; 10 blue, 3 green, 2 red; 3 green, 7 blue
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Game 5: 2 red, 1 blue, 8 green; 2 blue, 7 green, 3 red; 1 blue, 7 green, 4 red; 2 blue, 1 green, 1 red; 13 green, 1 blue
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Game 6: 7 green, 1 red, 3 blue; 1 red, 4 blue; 6 green, 6 blue; 8 green, 1 red; 6 green, 1 red, 5 blue
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Game 7: 10 blue, 1 green; 5 red, 8 blue, 3 green; 11 blue, 5 red, 8 green; 2 blue, 8 red, 5 green; 7 blue, 9 green; 6 blue, 2 green, 7 red
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Game 8: 15 green, 8 blue, 3 red; 6 blue, 7 green, 5 red; 2 green, 1 red, 5 blue; 9 blue, 9 green, 5 red
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Game 9: 16 red; 5 blue, 6 red, 9 green; 7 blue, 6 green, 2 red; 15 red, 5 blue, 3 green; 1 red, 6 green, 6 blue; 3 blue, 7 red, 5 green
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Game 10: 17 green, 5 blue, 6 red; 18 green, 9 red; 4 red, 4 blue, 4 green; 10 red, 6 green, 5 blue; 8 red, 4 blue, 12 green
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Game 11: 4 blue, 2 green, 5 red; 1 blue, 1 red; 9 blue, 1 green, 2 red; 4 red, 10 blue; 3 green, 4 blue, 3 red
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Game 12: 4 green, 2 blue, 7 red; 4 blue, 2 green, 1 red; 7 green, 5 blue, 9 red
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Game 13: 1 green, 3 red, 3 blue; 1 blue, 10 green; 2 green, 3 blue
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Game 14: 7 red, 3 green, 12 blue; 5 red, 4 green, 6 blue; 13 blue, 1 red; 4 blue, 6 red, 2 green; 4 red, 3 blue; 9 red, 13 blue
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Game 15: 4 blue, 5 red, 2 green; 7 red, 2 blue, 1 green; 17 red, 3 blue; 2 blue; 4 blue, 8 red
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Game 16: 5 blue; 9 red, 14 green, 5 blue; 5 blue, 9 green
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Game 17: 3 blue, 5 red; 6 blue, 1 green, 4 red; 7 green, 6 blue, 7 red; 1 red, 6 blue, 4 green; 6 green; 1 blue, 6 green
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Game 18: 9 blue, 4 green, 2 red; 1 green, 9 red, 10 blue; 14 red, 10 green, 17 blue; 12 red, 1 green, 15 blue; 3 blue, 8 red, 2 green; 3 green, 11 red, 13 blue
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Game 19: 1 blue, 3 red, 9 green; 14 green, 3 red, 2 blue; 1 blue, 8 red, 11 green; 4 blue, 3 red; 14 red, 4 green; 5 red, 8 green
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Game 20: 2 blue, 3 red, 2 green; 3 blue, 2 green; 1 red, 4 green, 5 blue; 9 blue, 9 green, 3 red; 3 green, 1 blue, 4 red; 1 red, 9 green, 2 blue
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Game 21: 11 blue, 6 red; 8 red; 7 red, 6 green, 11 blue; 7 green, 7 red, 11 blue; 6 red, 12 blue
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Game 22: 7 green, 8 blue, 5 red; 12 green, 4 red, 2 blue; 12 green, 7 red, 11 blue
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Game 23: 5 green, 2 blue, 7 red; 6 blue, 8 green, 3 red; 10 red, 5 blue; 6 green, 3 blue; 1 green, 8 red
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Game 24: 17 blue, 1 green, 2 red; 2 red, 11 green, 9 blue; 6 red, 8 blue
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Game 25: 3 red, 1 blue, 19 green; 1 blue, 1 green, 6 red; 6 green, 5 blue; 4 green, 2 red, 19 blue; 6 red, 19 blue, 18 green; 1 red, 4 blue, 1 green
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Game 26: 3 red, 4 blue, 2 green; 2 red, 1 green, 3 blue; 14 blue, 1 green, 3 red; 5 green, 2 red, 10 blue; 9 blue, 2 red, 7 green; 15 blue, 4 green, 3 red
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Game 27: 3 blue, 5 red, 2 green; 6 red, 7 blue, 9 green; 14 green, 11 red, 6 blue; 3 blue, 20 green, 3 red; 6 red, 15 green, 7 blue; 13 red, 1 blue, 14 green
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Game 28: 4 blue, 7 green, 4 red; 2 red, 4 blue, 7 green; 6 blue, 11 green, 4 red; 6 blue, 6 green, 3 red; 6 green, 12 red
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Game 29: 3 red, 9 blue; 5 red, 5 blue; 2 green, 3 red, 3 blue
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Game 30: 1 green, 1 red, 3 blue; 1 blue, 1 red, 3 green; 1 blue; 1 blue, 3 green, 1 red; 2 blue, 2 green
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Game 31: 2 blue, 1 red; 1 blue, 1 green, 1 red; 4 blue, 3 green; 1 red, 3 green, 2 blue; 2 green
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Game 32: 1 blue, 6 green; 9 red, 6 green; 1 blue, 15 red, 3 green
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Game 33: 18 green, 1 blue, 10 red; 10 red, 1 blue, 7 green; 11 green; 6 red, 13 green
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Game 34: 10 red, 14 blue, 6 green; 2 green, 13 blue, 1 red; 8 green, 7 blue, 1 red; 9 blue, 7 green, 4 red
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Game 35: 5 blue, 9 green, 2 red; 7 green, 9 blue, 5 red; 1 green, 5 red
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Game 36: 10 red; 5 red, 1 green, 1 blue; 2 green, 8 red; 9 red, 2 green; 1 blue, 10 red; 6 red, 1 green, 1 blue
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Game 37: 13 red, 1 blue, 7 green; 1 green, 9 red, 3 blue; 4 red, 1 blue, 11 green; 1 red; 1 red, 1 blue; 6 red, 3 blue, 2 green
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Game 38: 3 blue, 12 red, 7 green; 1 green; 12 red, 1 blue
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Game 39: 7 green, 12 blue, 2 red; 3 red, 10 blue, 7 green; 2 red, 8 green, 3 blue; 3 red, 12 blue, 5 green
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Game 40: 7 green, 5 red; 1 green, 2 blue; 2 red, 1 green, 7 blue
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Game 41: 1 red, 7 green, 2 blue; 2 green, 2 blue; 4 blue, 7 green, 1 red; 1 blue, 1 red, 7 green; 6 blue, 2 red, 3 green
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Game 42: 6 blue; 4 green, 18 blue, 1 red; 10 green, 14 blue, 2 red; 6 blue, 4 green; 2 red, 13 blue, 6 green; 6 green, 1 red, 5 blue
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Game 43: 5 blue, 12 red; 5 blue, 2 green, 7 red; 9 red, 4 blue; 1 green, 11 red, 2 blue; 5 red, 1 green; 2 blue, 3 red, 1 green
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Game 44: 4 blue, 9 red, 4 green; 4 blue, 10 red; 4 green, 5 red; 1 green, 2 red, 3 blue
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Game 45: 7 green, 2 blue, 18 red; 19 red, 7 green; 8 green, 1 blue, 19 red; 2 green, 12 red; 6 red, 5 green; 7 green, 10 red
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Game 46: 1 blue, 15 red, 11 green; 7 red, 1 green, 5 blue; 13 red, 2 blue, 2 green; 7 green, 5 blue, 10 red; 12 green, 3 red, 1 blue
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Game 47: 2 blue, 2 red, 5 green; 7 green, 2 red, 7 blue; 10 blue, 2 red, 8 green
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Game 48: 8 green, 10 red; 6 green, 5 red; 12 green, 2 blue; 17 green, 5 red, 1 blue; 14 green, 3 blue, 16 red; 1 blue, 5 red
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Game 49: 5 blue, 6 red, 12 green; 8 blue, 15 green; 4 blue, 3 green, 3 red; 6 red, 11 green, 10 blue; 9 green, 2 red, 10 blue
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Game 50: 10 red, 11 green, 14 blue; 6 green, 8 blue, 17 red; 2 blue, 4 red; 6 blue, 8 green, 17 red; 17 red, 9 blue, 2 green; 13 blue, 16 red, 12 green
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Game 51: 12 red, 2 green, 7 blue; 5 blue, 10 red; 1 blue, 7 red, 1 green; 14 blue, 2 red, 1 green
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Game 52: 5 blue, 5 red, 8 green; 1 blue, 9 green, 7 red; 4 blue, 5 red, 3 green; 7 green, 2 blue, 2 red; 5 red, 3 blue, 17 green; 19 green, 1 red
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Game 53: 4 red, 1 blue, 2 green; 1 green; 2 red; 1 blue, 2 green; 2 green, 4 red
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Game 54: 7 red; 9 red, 2 blue, 14 green; 1 blue, 5 green; 7 green, 3 blue
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Game 55: 11 blue, 2 green; 11 blue, 9 green, 12 red; 8 green, 6 blue, 12 red
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Game 56: 2 green, 1 red, 2 blue; 4 red, 5 green, 5 blue; 5 red, 5 blue, 10 green; 8 red, 3 green, 3 blue
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Game 57: 7 red, 3 green; 1 blue, 6 red, 1 green; 1 blue; 7 red, 1 green, 1 blue; 2 red, 1 blue, 1 green; 3 green, 1 blue
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Game 58: 9 blue, 2 red; 2 green, 9 blue, 2 red; 5 blue, 4 green
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Game 59: 8 red; 5 green, 1 blue, 3 red; 1 green, 8 red
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Game 60: 9 green, 8 blue, 3 red; 10 green, 4 red; 8 blue, 2 green, 4 red; 1 red, 5 green, 7 blue; 1 green, 4 blue, 1 red; 4 blue
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Game 61: 5 blue, 9 red, 4 green; 5 green, 7 blue, 6 red; 7 green, 8 red; 7 blue, 4 red, 2 green; 8 red, 4 blue, 5 green; 3 green, 9 red, 7 blue
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Game 62: 9 red, 10 blue; 1 green, 7 red, 13 blue; 1 green, 11 blue; 6 red, 16 blue, 5 green; 20 red, 1 green, 3 blue
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Game 63: 9 red, 8 green, 1 blue; 13 green, 12 red, 1 blue; 7 green, 5 red, 3 blue
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Game 64: 3 red, 2 blue, 10 green; 3 green; 1 blue, 8 green, 2 red; 7 red, 1 blue, 4 green; 9 red, 1 blue, 4 green
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Game 65: 7 red, 6 green; 1 blue, 4 green, 7 red; 6 red; 6 red, 4 green, 1 blue
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Game 66: 4 blue, 4 green; 1 red, 7 green, 1 blue; 7 green, 3 red, 3 blue; 1 blue, 1 red, 6 green; 3 red, 7 green
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Game 67: 5 green, 16 blue, 5 red; 4 red, 7 green, 3 blue; 4 red, 4 green, 9 blue; 12 green, 5 red; 15 green, 3 red; 10 blue, 6 red, 1 green
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Game 68: 3 green, 3 blue, 5 red; 2 green, 6 blue; 2 green, 3 blue, 1 red; 1 blue, 11 red
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Game 69: 5 green, 1 blue; 16 green, 9 red; 10 red, 18 green
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Game 70: 1 blue, 1 green; 1 red; 1 red, 2 blue, 1 green; 1 green, 2 red; 2 blue, 2 red; 1 red
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Game 71: 11 red; 2 green, 3 blue, 13 red; 1 green, 3 blue; 15 red, 1 green, 3 blue; 4 red
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Game 72: 2 blue, 6 red, 18 green; 6 red, 8 green, 7 blue; 5 blue, 3 red, 12 green; 3 red, 2 blue, 4 green
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Game 73: 12 blue, 7 green, 4 red; 5 green, 2 red, 4 blue; 3 green, 3 red, 10 blue; 1 green, 12 blue, 6 red; 3 blue, 6 green, 14 red
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Game 74: 3 red; 1 blue, 8 green, 11 red; 3 green, 2 red
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Game 75: 5 green, 2 red, 1 blue; 8 green, 2 red; 11 green, 2 red; 2 red, 17 green; 3 blue, 3 green, 2 red
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Game 76: 1 blue, 5 green, 4 red; 8 green, 11 blue, 5 red; 8 blue, 2 red, 11 green
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Game 77: 1 red, 11 blue, 7 green; 8 green, 4 blue; 1 blue, 8 green
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Game 78: 1 green, 1 red, 1 blue; 3 green, 1 blue, 3 red; 10 green, 1 blue; 12 green
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Game 79: 1 red, 11 blue, 6 green; 3 green, 3 red, 5 blue; 16 blue, 1 red, 5 green; 11 blue, 3 green, 2 red; 8 blue, 6 green, 4 red
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Game 80: 5 green; 6 green, 7 red, 4 blue; 7 green, 5 blue; 6 blue, 6 green; 7 blue, 7 green; 6 green, 7 blue, 5 red
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Game 81: 1 green, 14 blue; 11 blue, 1 red; 1 red, 16 green, 2 blue; 9 green, 1 red, 13 blue; 10 green, 8 blue
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Game 82: 7 green, 7 red, 3 blue; 4 blue, 1 green, 4 red; 2 green, 14 blue, 3 red
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Game 83: 15 blue; 2 blue, 1 green, 4 red; 8 green, 4 red, 6 blue
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Game 84: 12 blue, 17 green; 6 green, 1 red, 16 blue; 1 blue, 1 red; 5 blue, 11 green
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Game 85: 5 blue, 15 green, 3 red; 4 blue, 1 green, 11 red; 8 red, 2 blue, 4 green
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Game 86: 11 blue, 16 green, 16 red; 11 blue, 17 red, 10 green; 8 green, 7 red
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Game 87: 2 red, 4 green, 2 blue; 2 blue, 6 green; 2 red, 3 blue, 3 green; 1 red, 4 green; 1 green, 2 blue, 2 red; 4 blue, 4 green
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Game 88: 10 red, 7 green; 2 blue, 6 red, 1 green; 8 blue, 8 red, 7 green; 2 green, 5 blue, 2 red; 3 blue, 3 red, 6 green
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Game 89: 9 blue, 16 green; 2 red, 5 blue, 6 green; 12 blue, 15 green; 8 green, 2 red, 3 blue
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Game 90: 18 red, 1 blue; 3 red, 5 blue, 4 green; 1 blue, 2 green, 6 red; 2 green, 16 red, 3 blue; 5 blue, 13 red, 5 green
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Game 91: 4 red, 7 green, 1 blue; 3 green, 16 blue, 2 red; 4 green, 8 blue
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Game 92: 4 red, 3 green; 5 red, 11 green, 1 blue; 16 green, 13 red; 15 green, 14 red, 3 blue; 3 red, 5 green, 2 blue
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Game 93: 2 blue, 1 red, 3 green; 10 blue, 1 red, 10 green; 11 blue, 16 green, 4 red; 2 green, 20 blue, 7 red; 11 green, 8 red, 15 blue; 9 green, 10 blue, 1 red
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Game 94: 2 blue, 12 red, 10 green; 16 red, 9 blue, 6 green; 5 green, 9 blue, 11 red; 4 red, 2 blue
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Game 95: 2 green, 9 red, 1 blue; 2 blue, 1 red; 2 green, 5 blue, 3 red
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Game 96: 1 green, 5 red, 13 blue; 1 green, 2 red, 13 blue; 2 green, 2 red, 17 blue; 3 red, 1 green; 6 red, 2 green; 1 green, 7 blue, 4 red
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Game 97: 1 green, 1 red, 1 blue; 2 blue, 11 green; 1 blue, 13 green; 9 blue, 6 green, 1 red; 10 green, 8 blue
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Game 98: 12 green, 9 red; 12 green, 10 blue, 3 red; 3 red, 13 green, 7 blue
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Game 99: 8 green, 10 blue, 1 red; 10 green, 2 red, 6 blue; 3 green, 1 blue, 1 red; 10 blue, 1 red
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Game 100: 8 blue, 6 green, 8 red; 7 red, 2 blue; 2 red, 10 green, 10 blue; 9 green, 7 red; 3 red, 7 green, 1 blue
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5
day2/in.test
Normal file
5
day2/in.test
Normal file
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Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
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Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
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Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
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Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
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Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green
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89
day2/p1.c
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89
day2/p1.c
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include <stdbool.h>
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// parse_number takes a position of a last digit in a number
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// and returns a resulting number.
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int32_t parse_number(char *end);
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#define STR_E(tok) #tok
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#define STR(tok) STR_E(tok)
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#define SETS_STR_MAX_LEN 200
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#define CUBE_RED_MAX 12
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#define CUBE_GREEN_MAX 13
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#define CUBE_BLUE_MAX 14
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int main(int argc, char **argv) {
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FILE *input;
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char *line = NULL;
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size_t line_length = 0;
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if (argc == 1 || argv[1][0] == '-')
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input = stdin;
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else if ((input = fopen(argv[1], "r")) == NULL) {
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printf("Cannot open file %s\n", argv[1]);
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return -1;
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}
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int32_t game_id_sum = 0;
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while (getline(&line, &line_length, input) != -1) {
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char *colon_pos = strchr(line, ':');
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int32_t game_id = parse_number(colon_pos - 1);
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bool is_correct = true;
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char *sets = colon_pos + 2;
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char *space_pos = NULL;
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while (NULL != (space_pos = strchr(sets, ' '))) {
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if (*(space_pos-1) == ',' || *(space_pos-1) == ';') {
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sets = space_pos + 1;
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continue;
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}
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int8_t n = parse_number(space_pos-1);
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if (('r' == *(space_pos+1) && CUBE_RED_MAX < n) ||
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('g' == *(space_pos+1) && CUBE_GREEN_MAX < n) ||
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('b' == *(space_pos+1) && CUBE_BLUE_MAX < n)) {
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is_correct = false;
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break;
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}
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sets = space_pos + 1;
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}
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if (is_correct)
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game_id_sum += game_id;
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memset(line, 0, line_length);
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}
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printf("%d\n", game_id_sum);
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return 0;
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}
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int32_t parse_number(char *end) {
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int32_t num = 0;
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for (size_t n = 1;; n *= 10) {
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if (*end>>4 != 0x3)
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break;
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num += (*end&0xf) * n;
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--end;
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}
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return num;
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}
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