Submission #1662771

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Source Code Expand

#include<iostream>
#include<string>
#include<string.h>
#include<algorithm>
#include<stdio.h>
#include<cmath>
#include<vector>
#include<utility>
#include<stack>
#include<queue>
#include<list>

#define FOR(i, a, b) for(int i=(a);i<=(b);i++)
#define RFOR(i, a, b) for(int i=(a);i>=(b);i--)
#define MOD 1000000007
#define INF 1000000001;

using namespace std;



int main(void) {
	int n;
	int a, b;

	cin >> n;
	vector<int>count(1000001, 0);
	FOR(i, 1, n) {
		cin >> a >> b;
		FOR(t, a, b) {
			count[t]++;
		}
	}
	sort(count.begin(), count.end());
	cout << count[1000000] << endl;
	return 0;
}

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