제출 #426739

#제출 시각아이디문제언어결과실행 시간메모리
426739A_D커다란 상품 (IOI17_prize)C++14
0 / 100
3 ms428 KiB
#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
int find_best(int n) {
    int l=0,r=n-1;
    while(l<=r){
        int mid=(l+r)/2;
        vector<int> vec=ask(mid);
        if(vec[0]==vec[1])return mid;
        if(vec[0]){
            l=mid+1;
        }
        else r=mid-1;
    }
    assert(0);
}
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