Submission #3047864

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Source Code Expand

#include <iostream>

int main(void) {

	int W, a, b;
	std::cin >> W >> a >> b;

	if (b < a) {
		std::swap(a, b);
	}

	int result = b - (a + W);
	if (result < 0) {
		result = 0;
	}

	std::cout << result << std::endl;

	return 0;
}

Submission Info

Judge Result