Submission #1609355

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Source Code Expand

#include <iostream>
#include <cmath>

using namespace std;

int main(void) {

	int n, l[1000], r[1000], ans = 0;

	cin >> n;
	for (int i = 0; i < n; i++) {
		cin >> l[i] >> r[i];
		ans += r[i] - l[i] + 1;
	}

	cout << ans << endl;

	return 0;

}

Submission Info

Judge Result