#include <cstdio> #include <iostream> using namespace std; int main() { static const unsigned long outOfRange = 1000001; unsigned long N, A, i, lowestOdd = outOfRange; unsigned long long sum = 0; cin >> N; for (i = 0; i < N; ++ i) { cin >> A; sum += A; if((A&1) == 1 && A < lowestOdd) { lowestOdd = A; } } if ((sum & 1) != 0 && lowestOdd < outOfRange) { sum -= lowestOdd; } if (sum == 0 || (sum & 1) != 0) { cout << "NIESTETY" << endl; } else { cout << sum << endl; } return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | #include <cstdio> #include <iostream> using namespace std; int main() { static const unsigned long outOfRange = 1000001; unsigned long N, A, i, lowestOdd = outOfRange; unsigned long long sum = 0; cin >> N; for (i = 0; i < N; ++ i) { cin >> A; sum += A; if((A&1) == 1 && A < lowestOdd) { lowestOdd = A; } } if ((sum & 1) != 0 && lowestOdd < outOfRange) { sum -= lowestOdd; } if (sum == 0 || (sum & 1) != 0) { cout << "NIESTETY" << endl; } else { cout << sum << endl; } return 0; } |