Submission #1023579

#	Time	Username	Problem	Language	Result	Execution time	Memory
1023579		vjudge1	Exhibition (JOI19_ho_t2)	C++17	100 / 100	48 ms	1628 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
using namespace std;
#define ll long long 
#define sz second
#define val first
#define pii pair<int, int>
const int N = 1e5 + 5;
 
int n, m, c[N];
pii a[N];
 
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin >> n >> m;
    for(int i = 1; i <= n; ++i) cin >> a[i].sz >> a[i].val;
    for(int i = 1; i <= m; ++i) cin >> c[i];
    sort(a + 1, a + n + 1, greater<>());
    sort(c + 1, c + m + 1, greater<>());
    int cnt = 0;
    for(int i = 1; i <= n; ++i) {
        if(a[i].sz <= c[cnt + 1]) {
            ++cnt;
        }
    }
    cout << cnt;
    return 0;
}

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