#include<iostream> #include<cmath> #define ll long long using namespace std; int main () { ll a,b,c,n,suma=0; ll tab[1000100],pom[1010]={}; cin>>n; for(int i=0;i<n;i++) { cin>>tab[i]; pom[tab[i]]++; suma+=tab[i]; } if(suma%2==0)cout<<suma; else { ll i=1; while(pom[i]==0&&i<1000) { i+=2; } //cout<<i; if(i<1000&&suma-i!=0) cout<<suma-i; else cout<<"NIESTETY"; } 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 | #include<iostream> #include<cmath> #define ll long long using namespace std; int main () { ll a,b,c,n,suma=0; ll tab[1000100],pom[1010]={}; cin>>n; for(int i=0;i<n;i++) { cin>>tab[i]; pom[tab[i]]++; suma+=tab[i]; } if(suma%2==0)cout<<suma; else { ll i=1; while(pom[i]==0&&i<1000) { i+=2; } //cout<<i; if(i<1000&&suma-i!=0) cout<<suma-i; else cout<<"NIESTETY"; } return 0; } |