제출 #1164527

#제출 시각아이디문제언어결과실행 시간메모리
1164527irmuunThe Big Prize (IOI17_prize)C++20
20 / 100
0 ms408 KiB
#include "prize.h"
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

int find_best(int n){
    int l=0,r=n-1;
    while(l<r){
        int mid=(l+r)/2;
        vector<int>res=ask(mid);
        if(res[0]+res[1]==0){
            return mid;
        }
        if(res[0]>0){
            r=mid-1;
        }
        else{
            l=mid+1;
        }
    }
    return l;
}
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