uva 579
水題,不說了,直接上代碼
#include <stdio.h>
#include <string.h>
int main(){
float a,b,clock,minute,result;
while(scanf("%f:%f\n",&a,&b)==2){
if(a==0 && b==0)
break;
clock=360*(a/12)+b/60*30;
minute=b/60*360;
result=clock-minute;
if(result<0)
result=-result;
if(result>180)
result=360-result;
printf("%.3f\n",result);
}
return 0;
}