#include #include using namespace std; int main() { vector v = {1,2,3,4,5}; int sum = 0; for (int i = 0; i < v.size(); i++) { int temp = v[i]; for (int j = i + 2; j < v.size(); j+=2) { temp += v[j]; } sum = max(sum, temp); } cout << sum; }