uva 579ClockHands

#include<iostream>#include<cstdio>#include<math.h>using namespace std;int main(){    double angle1,angle2;    double hour,min;    char ch;    while(cin>>hour>>ch>>min)    {        if(hour+min==0)            break;        angle1=hour*30+30*min/60;        angle2=min*6;        double angle=fabs(angle1-angle2);        if(angle>180)        angle=360-angle;        printf("%.3lf\n",angle);    }    return 0;}