Program to print number pattern using do while loop in C.(Pattern 10)

Code Box 
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/*program to print number pattern by do while loop

            1
          21
        321
      4321
    54321

*/

#include<stdio.h>
#include<conio.h>
void main()
{
int n,i,j,k;
i=1;
clrscr();

printf("\nEnter a number: ");
scanf("%d",&n);

do
{j=n;
 k=i;
        do
        {
        printf(" ");
        j--;
}
while(j>=i);

        do
        {
        printf("%d",k);
        k--;
}
while(k>=1);

printf("\n");
i++;
}
while(i<=n);

getch();

}