#include<bits/stdc++.h> using namespace std; int n, val, last, cnt, x; vector<int> v; int main() { ios_base::sync_with_stdio(false); cin >> n; for(int i = 0; i < n; i++) { cin >> x; if(!(x&1))val+=x; else { cnt++; if(cnt == 1)last = x; if(!(cnt&1)) { val += last + x; // cout << "Wrzucam parę: " << last << ' ' << x << "\n"; if(last > x)last = x; } else { if(x > last) { val = val - last + x; // cout << "Wywalam: " << last << " wrzucam " << x << "\n"; } else if(x < last) { // cout << "New last: " << x << " old " << last << '\n'; last = x; } } } } if(val == 0)cout << "NIESTETY\n"; else cout << val << endl; }
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 43 | #include<bits/stdc++.h> using namespace std; int n, val, last, cnt, x; vector<int> v; int main() { ios_base::sync_with_stdio(false); cin >> n; for(int i = 0; i < n; i++) { cin >> x; if(!(x&1))val+=x; else { cnt++; if(cnt == 1)last = x; if(!(cnt&1)) { val += last + x; // cout << "Wrzucam parę: " << last << ' ' << x << "\n"; if(last > x)last = x; } else { if(x > last) { val = val - last + x; // cout << "Wywalam: " << last << " wrzucam " << x << "\n"; } else if(x < last) { // cout << "New last: " << x << " old " << last << '\n'; last = x; } } } } if(val == 0)cout << "NIESTETY\n"; else cout << val << endl; } |