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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. using ll = long long;
  4.  
  5. ll dp[60];
  6. int n;
  7. ll m;
  8.  
  9. int main(){
  10.     cin >> n >> m;
  11.     dp[0] = dp[1] = 1;
  12.     dp[2] = 2;
  13.     for(int i = 3; i<= n; i++){
  14.         dp[i] = dp[i-1] + dp[i-2] + dp[i-3];
  15.     }
  16.     cout << min(dp[n],m);
  17. }
  18.  
Success #stdin #stdout 0s 5308KB
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https://ideone.com/vG8VxC
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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