#include <iostream> using namespace std; int n,ile1,x=0; int a[1000000]; int main() { cin>>n; for(int i=0; i<n; i++) { cin>>a[i]; if(a[i]==1) ile1++; } if(ile1<2) x=2-ile1; cout<<x<<endl<<"2"<<endl<<"1 2"<<endl; return 0; }
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,ile1,x=0; int a[1000000]; int main() { cin>>n; for(int i=0; i<n; i++) { cin>>a[i]; if(a[i]==1) ile1++; } if(ile1<2) x=2-ile1; cout<<x<<endl<<"2"<<endl<<"1 2"<<endl; return 0; } |