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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. void executeTime() {
  5.     cerr << "Time Taken: " << (float)clock() / CLOCKS_PER_SEC << " secs";
  6. }
  7.  
  8. int main() {
  9.  
  10.  
  11.     int n;
  12.     cin >> n;
  13.  
  14.     vector<int> v(n);
  15.     for (auto &x : v)
  16.         cin >> x;
  17.  
  18.     vector<int> dp(n, 0);
  19.  
  20.     dp[0] = max(v[0], 0);
  21.  
  22.     if (n >= 2)
  23.         dp[1] = max({v[0], v[1], 0});
  24.  
  25.     for (int i = 2; i < n; i++) {
  26.         dp[i] = max(dp[i - 1], dp[i - 2] + v[i]);
  27.     }
  28.  
  29.     cout << dp[n - 1] << endl;
  30.  
  31.     executeTime();
  32.     return 0;
  33. }
Success #stdin #stdout #stderr 0.01s 5324KB
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stdin
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Standard input is empty
stdout
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0
stderr
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Time Taken: 0.006591 secs
https://ideone.com/OYonze
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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