Submission #1575209

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define FOR(i, n) for(int i = 0; i < (n); i++)
#define MEM(a, x) memset(a, x, sizeof(a))
#define ALL(a) a.begin(), a.end()
#define UNIQUE(a) a.erase(unique(ALL(a)), a.end())
typedef long long ll;

int n, imos[1000005];

int main(int argc, char const *argv[]) {
	ios_base::sync_with_stdio(false);
	cin >> n;
	FOR(i, n) {
		int a, b;
		cin >> a >> b;
		imos[a]++;
		imos[b+1]--;
	}
	int ma = imos[0];
	FOR(i, 1000004) {
		imos[i+1] += imos[i];
		ma = max(ma, imos[i+1]);
	}
	cout << ma << endl;
	return 0;
}

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