제출 #282877

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
282877		Erkhemkhuu	커다란 상품 (IOI17_prize)	C++17	0 / 100	1 ms	256 KiB

prize

#include <bits/stdc++.h>
#include <prize.h>
using namespace std;
#define ll int
#define pb push_back
#define mp make_pair
#define F first
#define S second
const ll N = 105;
ll find_best(ll n) {
    ll l, r, mid;
    l = 0; r = n;
    while(l + 1 < r) {
        mid = (l + r) / 2;
        vector <ll> asked = ask(mid);
        if(!asked[0] && !asked[1]) return mid;
        if(!asked[0] && asked[1]) l = mid;
        else r = mid;
    }
    return mid;
}

컴파일 시 표준 에러 (stderr) 메시지

prize.cpp: In function 'int find_best(int)':
prize.cpp:11:14: warning: 'mid' may be used uninitialized in this function [-Wmaybe-uninitialized]
   11 |     ll l, r, mid;
      |              ^~~

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