#include<iostream> using namespace std; int main() { ios_base::sync_with_stdio(0); int p, np; p = np = -1; int n; cin >> n; for (int i = 0; i < n; i++) { int x; cin >> x; if (x % 2 == 0) { if (p != -1) p += x; else p = x; if (np != -1) np += x; } else { int snp = np; if (p != -1) np = max(np, p + x); if (snp != -1) p = max(p, snp + x); else np = max(np, x); } // cout << p << "\\" << np << "\n"; } if (p == -1) cout << "NIESTETY\n"; else cout << p << "\n"; 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 39 40 41 42 | #include<iostream> using namespace std; int main() { ios_base::sync_with_stdio(0); int p, np; p = np = -1; int n; cin >> n; for (int i = 0; i < n; i++) { int x; cin >> x; if (x % 2 == 0) { if (p != -1) p += x; else p = x; if (np != -1) np += x; } else { int snp = np; if (p != -1) np = max(np, p + x); if (snp != -1) p = max(p, snp + x); else np = max(np, x); } // cout << p << "\\" << np << "\n"; } if (p == -1) cout << "NIESTETY\n"; else cout << p << "\n"; return 0; } |