Submission #164178

#	Time	Username	Problem	Language	Result	Execution time	Memory
164178		mat_v	Exhibition (JOI19_ho_t2)	C++14	100 / 100	78 ms	4544 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
#define xx first
#define yy second
#define maxn 100005
using namespace std;
typedef pair<int,int> pii;
int n,m;
pii niz[maxn];
int ram[maxn];
int main()
{
    ios_base::sync_with_stdio(false);
    cin >> n >> m;
    for(int i=0; i<n; i++)cin >> niz[i].yy >> niz[i].xx;
    sort(niz, niz + n);
    for(int i=0; i<m; i++)cin >> ram[i];
    sort(ram, ram + m);
    int br = m-1;
    int br2 = n-1;
    int res = 0;
    while(br >= 0 && br2 >= 0){
        if(ram[br] >= niz[br2].yy){
            br--;
            res++;
        }
        br2--;
    }
    cout << res << endl;
    return 0;
}

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