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  1. #include<iostream>
  2. using namespace std;
  3. bool chk(int n)
  4. {
  5.     int a,b,c,d;
  6.     a = n/1000;
  7.     n -= a*1000;
  8.     b = n/100;
  9.     n -= b*100;
  10.     c = n/10;
  11.     d = n %= 10;
  12.     if(d>c&&c>b&&b>a)
  13.     {
  14.         if(a*b == c+d) return true;
  15.         else return false;
  16.     }
  17.     else return false;
  18. }
  19.  
  20. int main()
  21. {
  22.  
  23.     for(int i=1234;i<10000;i++)
  24.     {
  25.         if(chk(i)) cout<<i<<endl;
  26.  
  27.     }
  28.     return 0;
  29. }
Success #stdin #stdout 0s 3140KB
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https://ideone.com/yD3RXL
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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