Question

1. Using switch statement, write a C program to do the following problems:   [0.5 mark]

1. If the user enters 1, the program prints the following structure using while loop:

1
22
333
4444
55555

Answer 1

#include <stdio.h>
#include <conio.h>
int main()
{
   int i,ch,j;
   printf("Enter a number: ");
   scanf("%d",&ch);
   switch(ch)
   {
   case 1:
   for (i=1;i<=5;i++)
   {
       for (j=1;j<=i;j++)
           printf("%d",i);
       printf("\n");
   }
       break;
   default:
   printf("Enter a valid number.");
   break;
   }
   return 0;
}