#include <iostream> #define ll long long #define inf 100000000000 using namespace std; ll suma=0; ll minn=inf; ll licznik=0; int main() { ios_base::sync_with_stdio(0); int n; cin>>n; for(int i=0;i<n;i++) { ll a; cin>>a; suma+=a; if(a%2!=0) { licznik++; minn=min(a,minn); } } if(licznik%2!=0) suma-=minn; if(suma) cout<<suma<<endl; else cout<<"NIESTETY"<<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 | #include <iostream> #define ll long long #define inf 100000000000 using namespace std; ll suma=0; ll minn=inf; ll licznik=0; int main() { ios_base::sync_with_stdio(0); int n; cin>>n; for(int i=0;i<n;i++) { ll a; cin>>a; suma+=a; if(a%2!=0) { licznik++; minn=min(a,minn); } } if(licznik%2!=0) suma-=minn; if(suma) cout<<suma<<endl; else cout<<"NIESTETY"<<endl; } |