Answer Posted / venkatesh

#include <stdio.h>
#include <stdlib.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char *argv[]) {

int i,j,k,n1,n2;
printf("
enter n1 value:");
scanf("%d",&n1);
k=4;
for(i=1;i<=n1;)
{

for(j=i;j<=2*i;j++)
{
printf("%d ",k);

}

printf("
");
i=i+2;
k=k-1;
}
k=0;
n2=n1+1;
for(i=9;i>=1;)
{
for(j=1;j<=i;j++)
{
printf("%d ",k);
}
printf("
");
k=k+1;
i=i-2;
}

return 0;
}

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