题解 | #牛牛的线段#
牛牛的线段
https://www.nowcoder.com/practice/f72c56ed71664af082c921bf79861c85
Pow()函数使用规范问题:
pow()输出的是double型,如果你这样用printf("%d",pow(10,2));
那就会得到结果0
pow()的其他使用规范见连接https://blog.csdn.net/qq_45803800/article/details/104343077
#include <stdio.h>
#include <math.h>
int main() {
int x1, x2, y1, y2;
scanf("%d %d", &x1, &y1);
scanf("%d %d", &x2, &y2);
x1=x1-x2;
y1=y1-y2;
printf("%d",x1*x1+y1*y1);
return 0;
}
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