题解 | 绕距
绕距
https://www.nowcoder.com/practice/7a245fc6284f4139b4fb21de58e68483
#include <stdio.h>
#include<math.h>
int main()
{
int x1,x2,y1,y2;
scanf("%d %d",&x1,&y1);
printf("\n");
scanf("%d %d",&x2,&y2);
double b;
b=sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
int j=fabs(x1-x2);
int k=fabs(y1-y2);
double wbxl=fabs(j+k-b);
printf("%lf",wbxl);
return 0;
}
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