579-Clock Hands

<br /> /* <br /> "Clock Hands"<br /> Level:2.5<br /> Date:2006/9/20<br /> 技巧：一小時時針走30度,一分鐘時針走0.5度.<br /> 一分鐘,分針走6度 .<br /> */<br /> <br /> #include<stdio.h><br /> main(){<br /> int h=0, m=0;<br /> float degree=0.0f;<br /> do{ <br /> scanf("%d:%d",&h,&m); <br /> if(h==0 && m==0)<br /> break;<br /> degree = h*30+m*0.5- m*6;<br /> if(degree < 0) //先取角度的絕對值. degree = -degree; if(degree > 180) //大於180度時,要取補角. <br /> degree = 360 - degree;<br /> printf("%.3f\n",degree); <br /> }<br /> }<br /> <br />