Submission #722423

#	Time	Username	Problem	Language	Result	Execution time	Memory
722423		tvladm2009	커다란 상품 (IOI17_prize)	C++17	0 / 100	1 ms	336 KiB

prize

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

using namespace std;

typedef long long ll;

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

Compilation message (stderr)

prize.cpp: In function 'int find_best(int)':
prize.cpp:9:23: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized]
    9 |     int l = 1, r = N, sol;
      |                       ^~~

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