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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int dp[1000];
  5. int bio(int n, int r) {
  6.     if(n == 1 ||n == 0 || (n == r)||(n == n && r == 0))
  7.         return 1;
  8.     else if(dp[n] == 0) {
  9.        return bio(n - 1, r -1) + bio(n -1 ,r);
  10.  
  11.     }
  12.  
  13. }
  14. int main()
  15. {
  16.     int x, n, r;
  17.     scanf("%i %i", &n, &r);
  18.     x = bio(n, r);
  19.  
  20.     printf("%i\n", x);
  21.  
  22.     return 0;
  23.  
  24. }
  25.  
Success #stdin #stdout 0s 3304KB
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https://ideone.com/WkNN7y
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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