#include <iostream> using namespace std; #define ULL unsigned long long int main() { int n; cin >> n; int tab[n]; for (int i=0; i!=n; ++i) cin >> tab[i]; ULL tmp = 0; for (int i=0; i!=n; ++i) tmp += tab[i]; int m = -1; for (int i=0; i!=n; ++i) { if (tab[i] % 2 == 1) { if (m == -1 || tab[i] < m) m = tab[i]; } } if (tmp % 2 == 0) cout << tmp; else { if (m == -1 || n == 1) cout << "NIESTETY"; else cout << tmp - m; } 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 | #include <iostream> using namespace std; #define ULL unsigned long long int main() { int n; cin >> n; int tab[n]; for (int i=0; i!=n; ++i) cin >> tab[i]; ULL tmp = 0; for (int i=0; i!=n; ++i) tmp += tab[i]; int m = -1; for (int i=0; i!=n; ++i) { if (tab[i] % 2 == 1) { if (m == -1 || tab[i] < m) m = tab[i]; } } if (tmp % 2 == 0) cout << tmp; else { if (m == -1 || n == 1) cout << "NIESTETY"; else cout << tmp - m; } return 0; } |