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| { | |
| pos[NR] = $NF | |
| } | |
| END { | |
| count_wins(pos[1], pos[2]) | |
| if (wins[1] > wins[2]) | |
| print wins[1] | |
| else | |
| print wins[2] | |
| } | |
| function count_wins(pos1, pos2, | |
| rolls1, rolls2, | |
| sum1, sum2, | |
| score1, score2, args, old1, old2, i) { | |
| if (rolls1 == 3 && rolls2 == 0) { | |
| pos1 += sum1 | |
| if (pos1 > 10) | |
| pos1 -= 10 | |
| score1 += pos1 | |
| } | |
| else if (rolls2 == 3) { | |
| pos2 += sum2 | |
| if (pos2 > 10) | |
| pos2 -= 10 | |
| score2 += pos2 | |
| rolls1 = sum1 = 0 | |
| rolls2 = sum2 = 0 | |
| } | |
| if (score1 >= 21) { | |
| wins[1]++ | |
| return | |
| } | |
| if (score2 >= 21) { | |
| wins[2]++ | |
| return | |
| } | |
| args = pos1 "," pos2 "," \ | |
| rolls1 "," rolls2 "," \ | |
| sum1 "," sum2 "," \ | |
| score1 "," score2 | |
| if ((args, 1) in cache) { | |
| wins[1] += cache[args, 1] | |
| wins[2] += cache[args, 2] | |
| return | |
| } | |
| old1 = wins[1] | |
| old2 = wins[2] | |
| if (rolls1 < 3) | |
| for (i = 1; i <= 3; i++) | |
| count_wins(pos1, pos2, | |
| rolls1+1, rolls2, | |
| sum1+i, sum2, | |
| score1, score2) | |
| else | |
| for (i = 1; i <= 3; i++) | |
| count_wins(pos1, pos2, | |
| rolls1, rolls2+1, | |
| sum1, sum2+i, | |
| score1, score2) | |
| cache[args, 1] = wins[1]-old1 | |
| cache[args, 2] = wins[2]-old2 | |
| } |
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