제출 #814612

#제출 시각아이디문제언어결과실행 시간메모리
814612Dan4LifeThe Big Prize (IOI17_prize)C++17
20 / 100
88 ms336 KiB
#include "prize.h" #include <bits/stdc++.h> using namespace std; int query(int l, int r){ if(l>r) return 0; int mid = (l+r)/2; vector<int> a = ask(mid); int x = 0; if(a[0]+a[1]==0) return mid; if(a[0]) x|=query(l,mid-1); if(a[1]) x|=query(mid+1,r); return x; } int find_best(int n) { return query(0,n-1); }
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