제출 #366556

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
366556		Tuk1352	Exhibition (JOI19_ho_t2)	C++11	100 / 100	171 ms	5124 KiB

joi2019_ho_t2

#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n, m, p, s, v, I=0, k=0;
    cin >> n >> m;
    vector <int> P;
    vector <pair<int,int>> V;
    for (int i = 0; i < n; i++)
    {
        cin >> s >> v;
        V.push_back({v, s});
    }
    for (int i = 0; i < m; i++)
    {
        cin >> p;
        P.push_back(p);
    }
    sort(V.rbegin(), V.rend());
    sort(P.rbegin(), P.rend());
    for (int i = 0; i < P.size(); i++)
    {
        while (I < V.size())
        {
            if (V[I].second <= P[i])
            {
                k++;
                break;
            }
            I++;
        }
        if (I == V.size())
        {
            break;
        }
        I++;
    }
    cout << k;
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:23:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for (int i = 0; i < P.size(); i++)
      |                     ~~^~~~~~~~~~
joi2019_ho_t2.cpp:25:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |         while (I < V.size())
      |                ~~^~~~~~~~~~
joi2019_ho_t2.cpp:34:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |         if (I == V.size())
      |             ~~^~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 40 / 40
• Subtask 3: 50 / 50