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  1. int recurse(int N,int K)
  2. {
  3.     if(N==0)return K==0;
  4.     if(K<0 ||N <0  )return 0;
  5.     return recurse(N,K-N)+recurse(N-1,K);
  6. }
  7. int main()
  8. {
  9.     printf("%d\n",recurse(3,4));//Balls=1 and boxes = 1
  10.     return 0;
  11. }
  12.  
Success #stdin #stdout 0s 2008KB
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stdin 
Standard input is empty
stdout 
4
https://ideone.com/CS2EBB
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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