Smart keypad-1recursion

#1

#include
#include
using namespace std;
char keypad[][10]={" ", “.+@$”, “abc”, “def”, “ghi”, “jkl”, “mno”, “pqrs”, “tuv”, “wxyz”};
void printkeypad(charin,charout,int i,int j)
{
if(in[i]==’\0’)
{
out[j]=’\0’;
cout<<out<<endl;
return;
}
int digit=in[i]-‘0’;
if(digit==0)
{
printkeypad(in,out,i+1,j);
}
for(int k=0;keypad[digit][k]!=’\0’;k++)
{
out[j]=keypad[digit][k];
printkeypad(in,out,i+1,j+1);
}
}
int main() {
char in[100];
char out[100];
cin>>in;
printkeypad(in,out,0,0);
return 0;
}
one test case fail

#2

Omit these lines in your code and then try to submit it,
if(digit==0)
{
printkeypad(in,out,i+1,j);
}