제출 #1305443

#제출 시각아이디문제언어결과실행 시간메모리
1305443AzeTurk810동굴 (IOI13_cave)C++20
0 / 100
102 ms540 KiB
#include "cave.h" #include <vector> void exploreCave(int N) { int ans[N] , have[N]; int S[N] , D[N] , res = 0; std::vector< int > A; for(int i = 0;i < N;i++) S[i] = D[i] = 0; for(int i = 0;i < N;i++) D[i] = -1; for(int i =0 ;i < N;i++) { A.push_back(i); bool t = tryCombination(S) == i; int l = 0, r =N - 1, mid; res = -1; while (l < r) { mid = (l + r) >> 1; for(int j = l;j <= mid;j++) { if(D[j] == -1) { S[j] = 1 - S[j]; } } if((tryCombination(S) == i) == t) { l = mid + 1; res = mid; } else { r = mid - 1; } for(int j = l;j <= mid;j++) { if(D[j] == -1) S[j] = 1 - S[j]; } } if(t) S[res] = 1 - S[res]; D[r] = i; } answer(S , D); }
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