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; }