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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. #define ll long long
  6. /*ll powt(ll x, ll y)
  7. {
  8.     if( y == 0)
  9.         return 1;
  10.     else if (y%2 == 0)
  11.         return powt(x, y/2)*powt(x, y/2);
  12.     else
  13.         return x*powt(x, y/2)*powt(x, y/2);
  14.  
  15. }
  16. */
  17. long long coun(long long num){
  18.         long long ans=0;
  19.         while(num){
  20.                 ans = ans+(num%10);
  21.                 num/=10;
  22.         }
  23.         return ans;
  24. }
  25.  
  26. int main(){
  27.         long long a,b,c;
  28.         cin>>a>>b>>c;
  29.         long long d[100000];
  30.         int count=0;
  31.  
  32.         for(long long i=1;i<=81;++i){
  33.                 long long num =b*((long long)(powt(i,a))) + c;
  34.  
  35.                 if(num>=1&&num<1000000000){
  36.                         //cout<<coun(num)<< " "<<i<<" "<<num<<endl;
  37.                         if(coun(num)==i){
  38.                                 d[count++] = num;
  39.                         }
  40.                 }
  41.         }
  42.  
  43.         cout<<count<<endl;
  44.         for(int i=0;i<count;++i)
  45.                 cout<<d[i]<<" ";
  46.         cout<<endl;
  47. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:33:55: error: ‘powt’ was not declared in this scope
                 long long num =b*((long long)(powt(i,a))) + c;
                                                       ^
stdout
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Standard output is empty
https://ideone.com/rbsIwP
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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