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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std ;
  4.  
  5. int main()
  6. {
  7.    int n,sumd=0,digit=0,x,y,sum=0,num=0;
  8.    cin>>n>>x>>y;
  9.    for(int j=0;n>0;j++)
  10.    {
  11.        num=n;
  12.        for(int i=0 ; num>=1;i++)
  13.    {
  14.        digit=num%10;
  15.        sumd +=digit;
  16.        num=num/10;
  17.  
  18.    }
  19.    if(sumd>=x&&sumd<=y)
  20.        sum+=n;
  21.  
  22.     n--;
  23.    }
  24.  
  25.  cout<<sum;
  26.    return 0 ;
  27. }
  28.  
Success #stdin #stdout 0s 4328KB
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https://ideone.com/N4tnsG
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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