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  1. #include <stdio.h>
  2. int main() {
  3.  
  4.      int N,num,i,cp=0,cn=0,cz=0;
  5.      double fp,fn,fz;
  6.      scanf("%d",&N);
  7.      for(i=0;i<N;i++)
  8.      {
  9.          scanf("%d",&num);
  10.          if(num>0)
  11.             cp=cp+1;
  12.         else if(num==0)
  13.             cz=cz+1;
  14.         else
  15.             cn=cn+1;
  16.     }
  17.     fp=(double)cp/N;
  18.     fn=(double)cn/N;
  19.     fz=(double)cz/N;
  20.     printf("%lf\n%lf\n%lf",fp,fn,fz);
  21.     return 0;
  22. }
Success #stdin #stdout 0s 2160KB
comments (?)
stdin
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3
4
0
-4
stdout
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0.333333
0.333333
0.333333
https://ideone.com/YOIgwF
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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