Answer Posted / amit

#include<stdio.h>
int main()
{
int i,j,n;
printf("Enter no");
scanf("%d",&n);
for(i=0;i<=n;i++)
{

for(j=1;j<=n-i;j++)
printf("%d",j);
for(j=0;j<2*i-1;j++)
printf(" ");
for(j=n-i;j>0;j--)
printf("%d",j);

printf("\n");
}
}

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