///////////////////////////////// //////**DOMINIK___KOWALCZYK**//// ///////////////////////////////// #include <bits/stdc++.h> using namespace std; #define boost ios_base::sync_with_stdio(0); #define all(a) (a).begin(),(a).end() #define sz(a) (int)(a).size() #define ELO exit(0) int main() { boost; int n; cin >> n; int jed = 0; for (int i = 0; i < n; ++i) { int a; cin >> a; if(a == 1)jed++; } cout << max(0,2 - jed) << "\n"; cout << "2\n"; cout << "1 2\n"; ELO; }
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 | ///////////////////////////////// //////**DOMINIK___KOWALCZYK**//// ///////////////////////////////// #include <bits/stdc++.h> using namespace std; #define boost ios_base::sync_with_stdio(0); #define all(a) (a).begin(),(a).end() #define sz(a) (int)(a).size() #define ELO exit(0) int main() { boost; int n; cin >> n; int jed = 0; for (int i = 0; i < n; ++i) { int a; cin >> a; if(a == 1)jed++; } cout << max(0,2 - jed) << "\n"; cout << "2\n"; cout << "1 2\n"; ELO; } |