COROANA TE ROG!!!
1
#include<iostream>
using namespace std;
int main(){
int n, p=1;
cin>>n;
do{
if((n%10)%2==1) p*=n%10;
n/=10;
}while(n!=0);
cout<<p;
return 0;
}
2
#include<iostream>
using namespace std;
int main(){
int n, max=-1;
cin>>n;
do{
if((n%10)>max) max=n%10;
n/=10;
}while(n!=0);
cout<<max;
return 0;
}