18.Display pattern #02

/* Program to display the following pattern:
1
12
123
1234
12345
*/
#include<stdio.h>
#include<conio.h>

void main()
{
    int i, j;

    clrscr();

    for(i = 0; i<4; i++) {
        for(j = 0; j <= i; j++)
            printf("%d", j + 1);
        printf("\n");
    }

    getch();
}