제출 #376106

#제출 시각아이디문제언어결과실행 시간메모리
376106gustason동굴 (IOI13_cave)C++14
0 / 100
36 ms364 KiB
#include "cave.h" void exploreCave(int N) { int S[N], D[N]; for(int i = 0; i < N; i++) { S[i] = 0; D[i] = -1; } for(int i = 0; i < N; i++) { if (tryCombination(S) < i && tryCombination(S) != -1) { for(int i = 0; i < N; i++) { if (D[i] != -1) continue; S[i] ^= 1; } } int l = 0, r = N, ans = r; while(l <= r) { int mid = (l + r) / 2; ans = mid; for(int i = l; i < mid; i++) { if (D[i] != -1) continue; S[i] ^= 1; } if (tryCombination(S) < i && tryCombination(S) != -1) { r = mid - 1; } else { l = mid + 1; } for(int i = l; i < mid; i++) { if (D[i] != -1) continue; S[i] ^= 1; } } D[ans] = i; S[ans] ^= 1; } answer(S, D); }
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