코드#include #include #include #include #include #include #include #include using namespace std;typedef long long ll;const ll MAX_N = 100003;ll n, a[MAX_N], odd, even, res;void FASTIO() { ios_base::sync_with_stdio(); cin.tie(NULL); cout.tie(NULL);}int main() { FASTIO(); cin >> n; for(int i = 1; i > a[i]; if(i % 2) odd += a[i]; else even += a[i]; } if (odd == e..
