#include<iostream> using namespace std; int n, ilosc, x; int main(){ ios_base::sync_with_stdio(0); cin >> n; for(int i = 1; i <= n; i++){ cin >> x; if(x == 1) ilosc++; } if(ilosc > 1) cout << 0 << endl; else if(ilosc == 1) cout << 1 << endl; else cout << 2 << endl; cout << 2 << endl; cout << 1 << " " << 2; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | #include<iostream> using namespace std; int n, ilosc, x; int main(){ ios_base::sync_with_stdio(0); cin >> n; for(int i = 1; i <= n; i++){ cin >> x; if(x == 1) ilosc++; } if(ilosc > 1) cout << 0 << endl; else if(ilosc == 1) cout << 1 << endl; else cout << 2 << endl; cout << 2 << endl; cout << 1 << " " << 2; } |