Submission #2521329

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Source Code Expand

#include <iostream>
#include <string>
#include <algorithm>
#include <functional>
#include <numeric>
#include <complex>
#include <fstream>
using namespace std;

#define rep(i,n) for(int i=0;i<(int)n;i++)

int a[100010];
int b[100010];
int sum[1000010];

int main() {
    int n;
    cin >> n;
    rep(i, n) {
        cin >> a[i] >> b[i];
    }
    rep(i, n) {
        sum[a[i]]++;
        sum[b[i] + 1]--;
    }
    for (int i = 0; i < 1000000; i++) {
        sum[i + 1] += sum[i];
    }
    cout << *max_element(sum, sum + 1000010) << endl;
}

Submission Info

Judge Result