Answer Posted / vamsi talapatra

#include<iostream>
using namespace std;
int main(){
int n = 4;
int e = 2;
while(n>0){
for(int i = 0; i< e ; i++){
cout<<n<<" ";
}
cout<<endl;
e=e+2;
n--;
}

while(n<=4){
for(int i = 1; i< e ; i++){
cout<<n<<" ";
}
cout<<endl;
e=e-2;
n++;
}
return 0;
}

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