Card game

#include <bits/stdc++.h>

using namespace std;

const int N = 1e6 + 1;

int cards[N];

int n;

int solve(int i, int score) {
  if (i >= n - 1) {
    return score;
  }
  return max(solve(i + 3, score + cards[i]), solve(i + 1, score));
}

int main() {
  cin >> n;

  for (int i = 0; i < n; i++) {
    cin >> cards[i];
  }
  int res = solve(1, 0);
  cout << res << endl;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: TIME LIMIT EXCEEDED

Test 5

Verdict: TIME LIMIT EXCEEDED

Test 6

Verdict: TIME LIMIT EXCEEDED

Test 7

Verdict: TIME LIMIT EXCEEDED

Test 8

Verdict: TIME LIMIT EXCEEDED

Test 9

Verdict: TIME LIMIT EXCEEDED

Test 10

Verdict: TIME LIMIT EXCEEDED

Test 11

Verdict: ACCEPTED

Test 12

Verdict: ACCEPTED

Test 13

Verdict: ACCEPTED

Test 14

Verdict: TIME LIMIT EXCEEDED

Test 15

Verdict: TIME LIMIT EXCEEDED