Submission

Status:

[PP-SS][SSSSS][SSSSSSSSSS]

Score: 0

User: PakinDioxide

Problemset: ห้องสมุดเมือง 3M

Language: cpp

Time: 0.010 second

Submitted On: 2025-03-10 00:11:00

#include <bits/stdc++.h>
#define ll long long

using namespace std;

int main() {
    int n;
    cin >> n;
    ll cnt = 0;
    int a[2000001];
    memset(a, 0, sizeof(a));
    for (int i = 0; i < n; i++) {
        int l, r;
        cin >> l >> r;
        a[l]++;
        a[r]--;
        cnt += r-l;
    }
    ll med = cnt/2, sum = 0, c = 0;
    for (int i = 0; i <= 2000000; i++) {
        c += a[i];
        sum += c;
        if (sum >= med) {cout << i << '\n'; return 0;}
    }
}