제출 #1010515

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1010515		ivopav	Trading (IZhO13_trading)	C++17	100 / 100	299 ms	27952 KiB

trading

#include <bits/stdc++.h>
using namespace std;


int main(){
    int n;
    int m;
    cin >> n >> m;
    vector<vector<pair<bool,int>>> dog(n+3,vector<pair<bool,int>>{});
    for (int i=0;i<m;i++){
        int unos;
        int unos2;
        int unos3;
        cin >> unos >> unos2 >> unos3;
        dog[--unos].push_back({0,unos3-unos});
        dog[unos2].push_back({1,unos3-unos});
    }
    multiset<int> tra={};
    for (int i=0;i<n;i++){
        for (int j=0;j<dog[i].size();j++){
            if (dog[i][j].first==0){
                tra.insert(dog[i][j].second);
            }
            else {
                tra.erase(tra.find(dog[i][j].second));
            }
        }
        if (tra.size()==0){
            cout << "0 ";
        }
        else {
            cout << (*(tra.rbegin()))+i << " ";
        }
    }
    cout << "\n";

}

컴파일 시 표준 에러 (stderr) 메시지

trading.cpp: In function 'int main()':
trading.cpp:15:13: warning: operation on 'unos' may be undefined [-Wsequence-point]
   15 |         dog[--unos].push_back({0,unos3-unos});
      |             ^~~~~~
trading.cpp:15:13: warning: operation on 'unos' may be undefined [-Wsequence-point]
trading.cpp:20:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<bool, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |         for (int j=0;j<dog[i].size();j++){
      |                      ~^~~~~~~~~~~~~~

• Subtask 1: 100 / 100