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  1. #include "stdio.h"
  2. #include "math.h"
  3. int main()
  4. {
  5.    double x1,y1,x2,y2,z;
  6.    while(scanf("%lf %lf %lf %lf", &x1,&y1,&x2,&y2)!=EOF){
  7.    z=sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1));
  8.    printf("%.2lf\n",z);
  9.    getchar();
  10.    }
  11.    return 0;
  12. }
  13.  
  14.  
Success #stdin #stdout 0s 2172KB
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1 0 0 1
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stdout
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1.41
1.41
https://ideone.com/purk3t
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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