hdoj 2076 时针分针夹角C语言实现

#include <stdio.h>

#include <stdlib.h>

#include <math.h>

int main()

{

int h,m,s,n,i;

scanf("%d",&n);

for (i=0;i<n;i++)

{

scanf("%d %d %d",&h,&m,&s);

double x,y,degree;

x = (1.0/120)*(m*60+s);

y = 0.1*((m%5)*60+s);

if (h>12)

h = h - 12;

m = m/5;

if (h==m)

degree = abs(x-y);

if (h<m)

degree = (m-h)*30-x+y;

if (h>m)

degree = (h-m)*30-y+x;

if (degree>180.00)

degree = 360 - degree;

printf("%d\n",(int)degree); //注意不能使用%.0lf因为那样会自动四舍五入，所以用强制类型转换

}

return 0;

}