제출 #1352049

#제출 시각아이디문제언어결과실행 시간메모리
1352049KALARRY커다란 상품 (IOI17_prize)C++20
0 / 100
17 ms412 KiB
//chockolateman

#include<bits/stdc++.h>
#include "prize.h"

using namespace std;

int search(int start,int end)
{
    vector<int> temp;
    for(int i = 0 ; i < end ; i++)
    {
        temp = ask(i);
        if(temp[0]==0 && temp[1]==0)
            return i;
    }
    if(start > end)
        return -1;
    int mid = (start + end)/2;
    temp = ask(mid);
    // vector<int> temp = ask(mid);
    if(temp[0]==0 && temp[1]==0)
        return mid;
    return max(search(start,mid-1),search(mid+1,end));
}

int find_best(int n) {
	return search(0,n-1);
}
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