Answer Posted / eranna

#include<stdio.h>
void main()
{
int i,j,n,k;

printf("Enter no.of lines :");
scanf("%d",&n);

for(i=1;i<=n;i++)
{
printf("\t");
for(j=1;j<=n-i;j++)
printf(" ");
for(j=1;j<=i;j++)
printf("%d",j);

for(k=j-2;k>0;k--)
printf("%d",k);

printf("\n");
}


}

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