Submission #699066

#	Time	Username	Problem	Language	Result	Execution time	Memory
699066		Richem	Exhibition (JOI19_ho_t2)	C++14	100 / 100	185 ms	7240 KiB

joi2019_ho_t2

#include <iostream>
#include <queue>
#include <algorithm>
#define int long long
using namespace std;

const int MAX_TABLEAU = 1e5+42;

int nbTableau, nbCadre;

pair<int, int> tableau[MAX_TABLEAU];
int cadre[MAX_TABLEAU];

priority_queue<pair<int, int>> q;

void input() {
    cin >> nbTableau >> nbCadre;

    for(int i = 0; i < nbTableau; i++) {
        cin >> tableau[i].first >> tableau[i].second;
        q.push({tableau[i].second, tableau[i].first});
    }
    sort(tableau, tableau + nbTableau);

    for(int i = 0; i < nbCadre; i++) {
        cin >> cadre[i];
    }
    sort(cadre, cadre + nbCadre);
}

int total = 0;

signed main() {
    input();

    for(int curCadre = nbCadre-1; curCadre >= 0; curCadre--) {
        while(q.size() > 0 && q.top().second > cadre[curCadre]) {
            q.pop();
        }
        if(q.size() == 0) {
            break;
        }
        total++;
        q.pop();
    }
    cout << total;
}

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