题解 | 绕距
绕距
https://www.nowcoder.com/practice/7a245fc6284f4139b4fb21de58e68483
#include<stdio.h>
#include<math.h>
void ME(int x1,int y1,int x2,int y2);
int main(void)
{
int x1, y1, x2, y2;
scanf("%d %d", &x1, &y1);
scanf("%d %d", &x2, &y2);
ME(x1, y1, x2, y2);
return 0;
}
void ME(int x1,int y1,int x2,int y2)
{
double dM, dE;
dM = sqrt(pow(x1 - x2, 2) + pow(y1 - y2, 2));
dE = fabs(x1 - x2) + fabs(y1 - y2);
printf("%lf", fabs(dM - dE));
}
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