제출 #895808

#제출 시각아이디문제언어결과실행 시간메모리
895808tvladm2009Exam (eJOI20_exam)C++17
0 / 100
1 ms348 KiB
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin >> n;
    vector<int> a(n), b(n);
    for (int i = 0; i < n; ++i) {
        cin >> a[i] >> b[i];
    }
    int want = b[0];
    for (int i = 1; i <= n; ++i) {
        if (a[i] == want) {
            int ans = 0;
            for (int j = 1; j <= n; ++j) {
                if (a[j] <= want) {
                    ++ans;
                }
            }
            cout << ans << endl;
            return 0;
        }
    }
    cout << "0\n";
    return 0;
}
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