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Sep 1st, 2019
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C++ 0.41 KB | None | 0 0
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. long long dp[101][11];
  5.  
  6. int main()
  7. {
  8.     for (int i = 1; i <= 100; i++)
  9.     {
  10.         dp[i][1] = 1;
  11.     }
  12.  
  13.     for (int i = 2; i <= 100; i++)
  14.     {
  15.         for (int j = 2; j <= 10; j++)
  16.         {
  17.             for (int k = 1; k + 3 <= i; k++)
  18.             {
  19.                 dp[i][j] += dp[k][j - 1];
  20.             }
  21.         }
  22.     }
  23.  
  24.     long long ans = 0;
  25.  
  26.     for (int i = 1; i <= 100; i++)
  27.         ans += dp[i][10];
  28.  
  29.     cout << ans;
  30.  
  31.     return 0;
  32. }
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