제출 #1310663

#제출 시각아이디문제언어결과실행 시간메모리
1310663nikoloz-ch동굴 (IOI13_cave)C++20
0 / 100
18 ms516 KiB
#include <bits/stdc++.h> #include "cave.h" using namespace std; vector<int> s; int ask(vector<int> &p){ int pt[p.size()]; for(int i = 0; i < p.size(); i++) pt[i] = p[i]; return tryCombination(pt); } void exploreCave(int N){ s.resize(N); for(int i = 0; i < N; i++) s[i] = -1; for(int i = 0; i < N; i++){ auto p = s; bool tr = true; for(int j = 0; j < N; j++) if(s[j] == -1) s[j] = 1; int t = ask(p); if(t >= i+1) tr = !tr; int l = 0, r = 0, ans = 0; while(l < r){ int m = (l+r)/2; auto pt = s; for(int j = 0; j < m; j++) if(pt[j] == -1) pt[j] = (tr ? 1 : 0); int d = ask(pt); if(d >= i+1) l = m; else r = m; if(l == r-1){ ans = m; break; } } s[ans] = (tr ? 1 : 0); } }
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