Submission #1129260

#	Time	Username	Problem	Language	Result	Execution time	Memory
1129260		tsengang	Exhibition (JOI19_ho_t2)	C++20	0 / 100	0 ms	324 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(), x.end()
#define vodka void
#define ertunt return
using namespace std;
int main() {
    ios::sync_with_stdio(0); cin.tie(0);
    ll n,m;
    cin >> n >> m;
    vector<pair<ll,ll>>a(n);
    for(ll i = 0; i < n; i++)cin >> a[i].ss >> a[i].ff;
    vector<ll>c(m);
    for(ll i = 0; i < n; i++)cin >> c[i];
    sort(all(a));
    sort(all(c));
    ll ans = 0, cur = m-1;
    for(ll i = n-1; i >= 0; i--){
        if(cur>=1&&c[cur]>=a[i].ss){
            ans++;
            cur--;
        }
    }
    cout << ans;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 40
• Subtask 3: 0 / 50