Solution :
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| /// Author : Md.Shohanur Rahaman | |
| /// URI --1761 (Christmas Decorations) | |
| /// Easy Problem | |
| #include<stdio.h> | |
| #include<math.h> | |
| #define PI 3.141592654 | |
| int main() | |
| { | |
| double a,b,c,tmp,angel,ans; | |
| while(scanf("%lf %lf %lf",&a,&b,&c)==3){ | |
| angel=tan ( a * PI / 180.0 ); | |
| tmp=angel*b; | |
| ans=tmp+c; | |
| printf("%.2lf\n",ans*5); | |
| } | |
| return 0; | |
| } |
