Submission #367360

#	Time	Username	Problem	Language	Result	Execution time	Memory
367360		arbor	Exhibition (JOI19_ho_t2)	C++17	100 / 100	59 ms	1768 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
#define all(x) begin(x), end(x)
#define sz(x) int((x).size())
#define eb emplace_back
#define pb push_back
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;
const int MN = 1e5 + 5;
 
int N, M, c[MN];
 
int main() {
    ios_base::sync_with_stdio(0), cin.tie(0);
    cin >> N >> M;
    vector<pii> a;
    for (int i = 0; i < N; i++) {
        int s, v; cin >> s >> v;
        a.eb(v, s);
    }
    for (int i = 0; i < M; i++) cin >> c[i];
    sort(all(a), greater<>());
    sort(c, c + M, greater<>());
    int ans = 0;
    for (int i = 0; i < N && ans < M; i++) {
        if (c[ans] >= a[i].second) ans++;
    }
    cout << ans << '\n';
    return 0;
}

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