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  1. #include<stdio.h>
  2. void main(){int h,w;for(;scanf("%d %d",&h,&w)==2;)printf("%.2f\n",1e4*w/h/h);}
  3.  
Runtime error #stdin #stdout 0s 4300KB
comments (?)
stdin 
150 50
160 55
180 120
150 225
stdout 
22.22
21.48
37.04
100.00
https://ideone.com/lsWdqo
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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