Submission #1126471

#	Time	Username	Problem	Language	Result	Execution time	Memory
1126471		ALTAKEXE	Exhibition (JOI19_ho_t2)	C++20	0 / 100	1 ms	328 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
#define inf INT_MAX
#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define FAR(i, a, b) for (int i = (a); i >= (b); i--)
#define all(x) (x.begin(), x.end())
const int MOD = 1e9 + 7;
using namespace std;
bool comp(pair<int, int> a, pair<int, int> b)
{
    if (a.ss < b.ss)
        return 1;
    else
        return 0;
}
int main()
{
    int n, m, ans = 0;
    cin >> n >> m;
    pair<int, int> v[n];
    int c[m];
    for (int i = 0; i < n; i++)
        cin >> v[i].ff >> v[i].ss;
    for (int i = 0; i < m; i++)
        cin >> c[i];
    sort(v, v + n, comp);
    sort(c, c + m);
    for (int i = 0, j = 0; i < n && j < m;)
    {
        if (v[i].ff <= c[j])
        {
            i++;
            j++;
            ans++;
        }
        else
            j++;
    }
    cout << ans << endl;
    return 0;
}

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