Submission #698040

#	Time	Username	Problem	Language	Result	Execution time	Memory
698040		Sandarach151	Exhibition (JOI19_ho_t2)	C++17	100 / 100	47 ms	5616 KiB

joi2019_ho_t2

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

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n, m;
    cin >> n >> m;
    pair<int, int> pic[n];
    int fram[m];
    for(int i=0; i<n; i++){
        cin >> pic[i].second >> pic[i].first;
    }
    sort(pic, pic+n);
    for(int i=0; i<m; i++){
        cin >> fram[i];
    }
    sort(fram, fram+m);
    stack<pair<int, int> > pics;
    stack<int> frames;
    for(int i=0; i<n; i++){
        pics.push(pic[i]);
    }
    for(int i=0; i<m; i++){
        frames.push(fram[i]);
    }
    int picscnt = 0;
    while(!pics.empty() && !frames.empty()){
        if(pics.top().second<=frames.top()){
            picscnt++;
            pics.pop();
            frames.pop();
        }
        else{
            pics.pop();
        }
    }
    cout << picscnt << '\n';
    return 0;
}

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