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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main(){
  6.  
  7. unsigned long long int x,s = 0;
  8.  
  9.    cin >> x;
  10.  
  11.    while(x != 0){
  12.  
  13.     s += x;
  14.  
  15.        x /= 10;
  16.  
  17.    }
  18.  
  19.    cout << s;
  20.  
  21. }
  22.  
Success #stdin #stdout 0.01s 5280KB
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stdin
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Standard input is empty
stdout
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156373687929380
https://ideone.com/gVUWs3
language:
C++ (gcc 8.3)
created:
17 hours ago
visibility:
public

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