题解 | 牛牛的线段
牛牛的线段
https://www.nowcoder.com/practice/f72c56ed71664af082c921bf79861c85
#include <iostream>
using namespace std;
int main() {
int x_1, y_1, x_2, y_2;
scanf("%d%d%d%d", &x_1, &y_1, &x_2, &y_2);
int delta_x = x_1 - x_2, delta_y = y_1 - y_2;
printf("%d", delta_x * delta_x + delta_y * delta_y);
}
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