Card game

#define F first
#define S second
#define PB push_back
#define MP make_pair
#define REP(i, a, b) for (int i = a; i < b; ++i)
#define REPI(i, a, b) for (int i = a; i <= b; ++i)
#define BR "\n"

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef pair<int, int> pi;

int main() {
  // freopen("card_game.txt", "r", stdin);
  int n;
  cin >> n;

  int cards[n] = {};
  REP(i, 0, n) { cin >> cards[i]; }

  int points[n * n] = {};
  points[0] = 0;
  points[1] = 0;

  REP(i, 2, n) {
    if (i - 3 >= 0) {
      points[i] =
          max(points[i - 3] + cards[i - 1], max(points[i - 2], points[i - 1]));
    } else {
      points[i] = cards[i - 1];
    }
  }

  // REP(i, 0, n) { cout << points[i] << " "; }
  // cout << BR;
  cout << points[n - 1] << BR;

  return EXIT_SUCCESS;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: RUNTIME ERROR

Test 8

Verdict: RUNTIME ERROR

Test 9

Verdict: RUNTIME ERROR

Test 10

Verdict: RUNTIME ERROR

Test 11

Verdict: ACCEPTED

Test 12

Verdict: ACCEPTED

Test 13

Verdict: ACCEPTED

Test 14

Verdict: RUNTIME ERROR

Test 15

Verdict: RUNTIME ERROR