Submission #3049487

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Source Code Expand

#include <iostream>

using namespace std;

int main()
{
	long long i, j, k, W, a, b;

	cin >> W >> a >> b;

	if (b > a + W)
		cout << b - a - W << endl;
	else if (a > b + W)
		cout << a - b - W << endl;
	else
		cout << 0 << endl;

	return 0;
}

Submission Info

Judge Result