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llvlleo1810

Liệt kê các số Strong nhỏ hơn n

Aug 7th, 2019
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C 0.47 KB | None | 0 0
  1. #include <stdio.h>
  2.  
  3. int giaithua(int n){
  4.     if(n==0||n==1)
  5.         return 1;
  6.     else
  7.         return n*giaithua(n-1);
  8. }
  9.  
  10. int strong(int n){
  11.     int i,tong=0,a;
  12.     for(i=n;i>0;i/=10)
  13.         {
  14.             a=i%10;
  15.             tong+=giaithua(a);
  16.         }  
  17.     if(tong==n)
  18.     return 1;
  19.     else
  20.     return 0;
  21. }  
  22. int main()
  23. {
  24.     int n,i;
  25.     scanf("%d", &n);
  26.     for(i=1;i<n;i++)
  27.         if(strong(i))
  28.             printf("%d ",i);
  29.     return 0;
  30. }
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