제출 #844270

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
844270		vjudge1	Pod starim krovovima (COCI20_psk)	C++17	8 / 50	2 ms	348 KiB

Main

#include <iostream>
#include <algorithm>
#include <utility>
using namespace std;

int main(){
    int n, liq, *ans, index, ocount;
    int64_t total;
    pair<int, int> *glasses;
    cin >> n;
    glasses = new pair<int, int>[n];
    for (int i = 0; i < n; i++){
        cin >> liq;
        total += liq;
        cin >> glasses[i].first;
        glasses[i].second = i;
    }
    std::sort(glasses, glasses + n);
    ans = new int[n];
    for (int i = 0; i < n; i++) ans[i] = 0;
    index = n - 1;
    ocount = n;
    while (total > 0){
        ocount--;
        if (glasses[index].first > total){
            ans[glasses[index].second] = total;
            total = 0;
            break;
        }
        ans[glasses[index].second] = glasses[index].first;
        total -= glasses[index].first;
        index--;
    }
    cout << ocount << endl;
    for (int i = 0; i < n; i++){
        cout << ans[i];
        if (i != n - 1) cout << " ";
    }
    cout << endl;
}

컴파일 시 표준 에러 (stderr) 메시지

psk.cpp: In function 'int main()':
psk.cpp:26:40: warning: 'total' may be used uninitialized in this function [-Wmaybe-uninitialized]
   26 |             ans[glasses[index].second] = total;
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~

• Subtask 1: 8 / 50