제출 #1124357

#제출 시각아이디문제언어결과실행 시간메모리
1124357Rainmaker2627동굴 (IOI13_cave)C++20
0 / 100
98 ms564 KiB
#include "cave.h" #include<bits/stdc++.h> using namespace std; void exploreCave(int N) { int s[N], d[N]; vector<bool> vis(N, false); for (int i = 0; i < N; ++i) { int cor; vector<int> p; for (int j = 0; j < N; ++j) if (!vis[j]) p.push_back(j); for (int j = 0; j < N-i; ++j) s[p[j]]=0; if (tryCombination(s)==i) cor=1; else cor=0; for (int j = 0; j < N-i; ++j) s[p[j]]=cor^1; int l=0, r=N-i-1; while (l<r) { int mid=(l+r)/2; for (int j = l; j <= mid; ++j) s[j]=cor; int res=tryCombination(s); for (int j = l; j <= mid; ++j) s[j]=cor^1; if (res==i) l=mid+1; else r=mid; } d[p[r]]=i; s[p[r]]=cor; vis[p[r]]=true; } answer(s, d); }
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