제출 #559773

#제출 시각아이디문제언어결과실행 시간메모리
559773Mahmudul_Kabir커다란 상품 (IOI17_prize)C++14
20 / 100
67 ms336 KiB
#include "prize.h"
#include "bits/stdc++.h"

#define sp <<" "
#define el <<"\n"
#define S second
#define F first
#define pb push_back
#define all(ar) ar.begin(),ar.end() 
#define pii pair<ll,ll> 
 
 
using namespace std;
using ll = long long;

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

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