Submission #200402

#	Time	Username	Problem	Language	Result	Execution time	Memory
200402		blue	Exhibition (JOI19_ho_t2)	C++14	100 / 100	224 ms	4532 KiB

joi2019_ho_t2

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

struct painting
{
    int s;
    int v;
};

bool operator < (painting A, painting B)
{
    if(A.v == B.v) return A.s < B.s;
    return A.v < B.v;
}

int main()
{
    int N, M;
    cin >> N >> M;

    painting P[N+1];
    for(int i = 1; i <= N; i++) cin >> P[i].s >> P[i].v;
    sort(P+1, P+N+1);

    int C[M+1];
    for(int i = 1; i <= M; i++) cin >> C[i];
    sort(C+1, C+M+1);

    int j = M;
    for(int i = N; i >= 1; i--)
    {
        if(P[i].s <= C[j]) j--;
        if(j == 0) break;
    }
    cout << M-j << '\n';
    return 0;
}

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