21 - 25 PROGRAMS

                                                                                                                                                 

/* ****************************************
         21. To Print Numbers from 5-10 using i++
    ****************************************** */

   #include<*stdio.h>
   #include<*conio.h>
   void main()
    {
    int i = 5;
    clrscr();
    printf("\n %d \n", i++);
    printf("\n %d \n", i++);
    printf("\n %d \n", i++);
    printf("\n %d \n", i++);
    printf("\n %d \n", i++);
    printf("\n %d \n", i);
    getch();
    }

   Output :
   5
   6
   7
   8
   9
   10

                                                                                                                                                

/* ****************************************
         22. To Print Numbers from 10-5 using --i
    **************************************** */

   #include<*stdio.h>
   #include<*conio.h>
   void main()
    {
    int i = 10;
    clrscr();
    printf("\n %d \n", i);
    printf("\n %d \n", --i);
    printf("\n %d \n", --i);
    printf("\n %d \n", --i);
    printf("\n %d \n" ,--i);
    printf("\n %d \n", --i);
    getch();
    }

   Output :
   10
   9
   8
   7
   6
   5
                                                                                                                                              

/* ***************************************
         23. To Print Numbers from 5-1 using i--
    ************************************** */

   #include<*stdio.h>
   #include<*conio.h>
   void main()
    {
    int i = 5;
    clrscr();
    printf("\n %d \n", i--);
    printf("\n %d \n", i--);
    printf("\n %d \n", i--);
    printf("\n %d \n", i--);
    printf("\n %d \n", i);
    getch();
    }

   Output :
   5
   4
   3
   2
   1
                                                                                                                                                 

/* **********************************************
       24. To Find Sum of Digits of a Two Digit Number
   ******************************************** */

   #include<*stdio.h>
   #include<*conio.h>
   void main()
    {
    int n,i,j,s;
    clrscr();
    printf("\n Enter any Two Digit Number,To Find Sum of Digits of it : ");
    scanf("%d", &n);
    i = n / 10;
    j = n % 10;
    s = i + j;
    printf("\n\n Sum of Digits of Given Number is : %d", s);
    getch();
    }

   Output :

   Enter any Two Digit Number,To Find Sum of Digits of it : 56

   Sum of Digits of Given Number is : 11

                                                                                                                                     

/* *************************************************
    25. To Check Whether Given Number is Positive or not
    ************************************************* */

   #include<*stdio.h>
   #include<*conio.h>
   void main()
    {
    int a;
    clrscr();
    printf("\n Enter any Number to Check for Positivr or not : ");
    scanf("%d", &a);
    if(a>0)
        printf("\n\n %d is a Positive Number", a);
    else
        printf("\n\n %d is a Negative Number", a);
    getch();
    }

   Output :

    Enter any Number to Check for Positive or not : 46

    46 is a Positive Number