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Submission #780571

# Submission time Handle Problem Language Result Execution time Memory
780571 2023-07-12T10:21:07 Z borisAngelov Exhibition (JOI19_ho_t2) C++17
0 / 100
 1 ms 324 KB 
#include <bits/stdc++.h>

using namespace std;

const int maxn = 100005;

int n, m;

pair<int, int> a[maxn];
int b[maxn];

bool cmp(pair<int, int> p1, pair<int, int> p2)
{
    if (p1.second == p2.second)
    {
        return p1.first <= p2.first;
    }

    return p1.second > p2.second;
}

void fastIO()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
}

int main()
{
    fastIO();

    cin >> n >> m;

    for (int i = 1; i <= n; ++i)
    {
        cin >> a[i].first >> a[i].second;
    }

    for (int i = 1; i <= m; ++i)
    {
        cin >> b[i];
    }

    sort(a + 1, a + n + 1, cmp);
    sort(b + 1, b + m + 1, greater<int>());

    int ans = 0;
    int ptr = 1;

    for (int i = 1; i <= n && ptr <= m; ++i)
    {
        if (a[i].first <= b[ptr])
        {
            ++ans;
        }

        ++ptr;
    }

    cout << ans << endl;

    return 0;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Incorrect 1 ms 324 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Incorrect 1 ms 324 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Incorrect 1 ms 324 KB Output isn't correct
4 Halted 0 ms 0 KB -