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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int dp[401][401][401];
  4. int solve(int z , int o , int l , int lz ,int lo ,int i)
  5. {
  6.     if(z==0 && o==0)
  7.     {
  8.         return 1;
  9.     }
  10.  
  11.     if(dp[lz][lo][i] != -1)
  12.         return dp[lz][lo][i];
  13.     int ans = 0;
  14.     if(z>0 && i-lo+1 <= l)
  15.     {
  16.         ans = solve(z-1 , o , l , i , lo , i+1);
  17.     }
  18.     if(o>0 && i-lz+1 <= l)
  19.     {
  20.         ans+= solve(z , o-1 , l , lz , i , i+1);
  21.     }
  22.  
  23.     return dp[lz][lo][i] = ans;
  24. }
  25. int numberOfStableArrays(int z, int o, int l) {
  26.     memset(dp , -1 , sizeof(dp));
  27.     return solve(z , o , l+1 , 0  , 0 , 0 );
  28. }
  29. int main() {
  30. 	cout<<numberOfStableArrays(3,3,2);
  31. 	return 0;
  32. }
Success #stdin #stdout 0.04s 255448KB
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https://ideone.com/GMdATP
language:
C++ (gcc 8.3)
created:
16 days ago
visibility:
public

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