제출 #1008417

#제출 시각아이디문제언어결과실행 시간메모리
1008417VMaksimoski008동굴 (IOI13_cave)C++17
13 / 100
421 ms560 KiB
#include "cave.h" #include <bits/stdc++.h> using namespace std; void exploreCave(int n) { int S[n], D[n], vis[n]; for(int i=0; i<n; i++) S[i] = D[i] = 1, vis[i] = 0; //find swicth for door i for(int i=0; i<n; i++) { int l=0, r=n-1, p=n-1; while(l <= r) { int mid = (l + r) / 2; for(int j=0; j<=mid; j++) if(!vis[j]) S[j] ^= 1; int res = tryCombination(S); if(res > i || res == -1) p = mid, r = mid - 1; else l = mid + 1; for(int j=0; j<=mid; j++) if(!vis[j]) S[j] ^= 1; } D[p] = i; S[p] = 0; vis[p] = 1; // for(int j=0; j<n; j++) cout << S[j]; // cout << '\n'; } for(int i=0; i<n; i++) S[i] = 0; answer(S, D); }
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