/* Pattern problem
   1
   1 2
   1 2 3
   1 2 3 4
   ...
*/

#include  <stdio.h>
#include  <conio.h>

void main()
{
    int  i, j, n ;
    clrscr() ;
    printf("Enter the number of lines: ") ;
    scanf("%d", &n) ;
    printf("Required pattern is as follows: \n") ;
    for(i=1 ; i<=n ; i++)
        {
            for(j=1 ; j<=i ; j++)
                printf("%d ", j) ;
            printf("\n") ;
        }
    getch() ;
}
/* If the pattern is fixed then variable 'n' should not be read

Space in printf should not be given if this is the pattern:
1
12
123
1234
*/

/*
Output:

Enter the number of lines: 3
Required pattern is as follows:
1
1 2
1 2 3
*/