Submission #586975

#	Time	Username	Problem	Language	Result	Execution time	Memory
586975		Justin1	Exhibition (JOI19_ho_t2)	C++14	100 / 100	48 ms	5628 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
#define ll long long
using namespace std;

struct pic{
    ll s, v;
    bool operator < (const pic & x) const {
        if (v != x.v) return v < x.v;
        return s < x.s;
    }
};

ll n,m,k,x,y,z;
ll c[100005], done[100005];
pic p[100005];

int main() {
    cin.tie(0), cout.tie(0) -> sync_with_stdio(0);
    cin >> n >> m;
    for (int i = 1; i <= n; i++) cin >> p[i].s >> p[i].v;
    for (int i = 1; i <= m; i++) cin >> c[i];
    sort(c+1,c+1+m);
    sort(p+1,p+1+n);
    ll ans = 0;
    for (int i = n; i >= 1; i--) {
        if (p[i].s <= c[m-ans]) ans++;
    }
    cout << ans << "\n";
}

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