제출 #1195858

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1195858		DeathIsAwe	The Big Prize (IOI17_prize)	C++20	20 / 100	0 ms	412 KiB

prize

#include "prize.h"
#include <bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define ll long long
using namespace std;

int find_best(int n) {
	vector<int> result;


	int left = 0, right = n - 1, middle;
	result = ask(0);
	if (result[0] + result[1] == 0) return 0;
	result = ask(n - 1);
	if (result[0] + result[1] == 0) return n - 1;
	

	while (left + 1 < right) {
		middle = (left + right) / 2;
		result = ask(middle);
		if (result[0] + result[1] == 0) return middle;
		if (result[0] == 1) right = middle;
		else left = middle;
	}
}

컴파일 시 표준 에러 (stderr) 메시지

prize.cpp: In function 'int find_best(int)':
prize.cpp:28:1: warning: control reaches end of non-void function [-Wreturn-type]
   28 | }
      | ^

• Subtask 1: 20 / 20
• Subtask 2: 0 / 80