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  1. #include <iostream>
  2. #include <cstring>
  3. using namespace std;
  4.  
  5. int main(){
  6.     int num;
  7.     int count;
  8.     cout<<"Enter any number";
  9.     cin>>num;
  10.     while (num>0){
  11.         if(num%10 == 1){
  12.             count++;
  13.         }
  14.         num= num/10;
  15.     }
  16.     cout<<"Number of ones="<<count;
  17.     return 0;
  18. }
Success #stdin #stdout 0s 3460KB
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stdin
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Standard input is empty
stdout
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Enter any numberNumber of ones=-1218551806
https://ideone.com/LhS790
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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