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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int hcfof(int a,int b){
  6.     int h=1;
  7.     int m=a;
  8.     if(b<a) m=b;
  9.     for(int i=2;i<m+1;i++){
  10.         if(a%i==0 && b%i==0) h=i;
  11.     }
  12.  
  13.     return h;
  14. }
  15.  
  16. int main(){
  17.     int t;
  18.     cin>>t >>"\n";
  19.     for(int i=0;i<t;i++){
  20.         float a;
  21.         cin >> a >> "\n";
  22.         int p=a;
  23.         float q=p;
  24.         if((a-q)==0) cout << 1 <<"\n";
  25.         else{
  26.             float d=a-q;
  27.             int n=0;
  28.             int c=d;
  29.             float e=c;
  30.             while((d-e)!=0){
  31.                 d=d*10;
  32.                 c=d;
  33.                 e=c;
  34.                 n=n+1;
  35.             }
  36.             int x=10^n;
  37.             int h=hcfof(c,x);
  38.             int r=x/h;
  39.             cout << r <<"\n";
  40.         }
  41.     }
  42.  
  43.     return 0;
  44. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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3
5
5.5
30.25
compilation info 
prog.c:1:25: fatal error: bits/stdc++.h: No such file or directory
 #include <bits/stdc++.h>
                         ^
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/d57WVW
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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