제출 #767533

#제출 시각아이디문제언어결과실행 시간메모리
767533Ahmed57동굴 (IOI13_cave)C++17
0 / 100
63 ms368 KiB
#include "cave.h" #include<bits/stdc++.h> using namespace std; void exploreCave(int N){ mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count()); uniform_int_distribution<int> rng(1, (1ll<<20)); 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++){ int x = tryCombination(S); int l = 0 , r = N-1; while(1){ if(l==r){ if(x==i){ S[l] = 1-S[l]; } D[l] = i; break; } int mid = (l+r)/2; for(int i = l;i<=mid;i++){ if(D[i]==-1){ S[i] = 1-S[i]; } } int z = tryCombination(S); for(int i = l;i<=mid;i++){ if(D[i]==-1){ S[i] = 1-S[i]; } } if(z>i){ l = mid+1; }else r = mid; } } answer(S,D); } /* int main(){ }*/
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