1. The document discusses different loop constructs in C programming including for, while, and do-while loops. 2. It provides examples of using each loop type to iterate through a set number of iterations and print output. 3. The key differences between each loop type are explained such as when the condition is checked and where loop initialization and update occur.

1. 1.
1.1 Increment Operator
4.1
++ increment 1
b=3 ;
a=b ++
1 2 a=b;
a=3
b=b+1;
b=3+1

2. b=3 ;
a=++b
1. 2 b=b
+1; b=3+1
a=b; a=4
2. a 4 b 4
-- decrement 1
1.2 decrement operator
4.2

3. b=3 a=b - -
1. 2
a=b; a=3
b=b-1;
b=3-1
2. a 3 b 2
a= - -b
1. 2

4. 1.3
(compound assignment
operators) 4.3

5. 1.4

6. a = b ++ ;
2
a=b; b a
a=4
a=b+1 ; 4+1 5
b b=5
b = ++ a ;
a=a+1; a 4 4+1

7. 1.5
implicit type
conversion
explicit type conversion

8. 4.3

9. 4.3 4.3
1. result 1 = value1 + value 2 ;
10 + 3.17 13.17
result 1
2. result 1 = value / 3 ;
/
% .2f

10. 2 for
:
3
: for
For ( = ; ;
2.1 )
{
for statemmnt (s) ;
} for
: 1

11. 4.1 for
2.2 for
5

12. 4.4
for

13. 1. 5
2. n
1
3. n 6
4.

14. 2.3 for
4.5
for

15. 4.5
4.5
1
2. 3 3
3.

16. 3.
while
:
while
{} while
{} while

17. while
while
>
{}

18. 3.2 while
while

19. Ctrl-
Break
n <= 5
n n

20. while
while
while
n <= 5
n = n+1 ;

22. while
n
while n

23. n
num

24. do-while

25. do – while
do – while
do – whil

26. do – while
do – while

27. {
}
while n <= 5
n>5
n++ : n=n +1:
n n>5

28. {
}
do – while

29. do – while n

30. • for
• while
• do-
while

31. For
for
2
3 for

32. n
key loop =>……………
Report Score
****************************
No. => ……………
name is => …………..
midterm is => …………..
Final is => ……………
* Score = ……………
*****************************
*Average Score is = ………….
*****************************

33. 1.
1.1
1.2
= 1
=
=
=
1.3

34. 1.5
num
n
name
midterm

35. 1.6 action)
1 (num)
2) for (n =1; n<=num ;
n++)
2.1-2.6
3
2.1) (n)
2.2) (name)
(midterm)
(final)
2.3) (score) =
midterm + final
2.4) score
2.5) (sum) = sum +
score
2.6) 2
3) (average) = sum / num

36. start
2.
num
For (n = 1 ; n <= num ; n++) n > num
n <= num
n Averge = sum / num
name,midterm,final average
Score = midterm + final end
score
sum = sum + score

37. 3.
#include <stdio.h>
/* file name ex_for3.cpp*/
main ()
{
char name [30] ;
int midterm = 0 , final = 0 , score = 0 ,n , num ;
float sum = 0 , average = 0 ;
printf (“ key loop => “) ; scanf (“%d “,&num) ;
Printf (“n Report Score n”) ;
printf(“*************************n n”) ;
for(n = 1;n <= num ; n++)
{
printf ({“No. => %d n” , n) ;
printf (“Name is => “) ; scanf (“%s”,name) ;
printf (“midterm is => “) ; scanf (“%d”&midterm) ;
printf (“final is => “) ; scanf (“%d”&final) ;
score = midterm =+ final;
printf ( “* score = %dn”,score) ;
sum = sum + score ;
printf (“*****************n”) ;
}
average = sum / num ;
printf (“* Averge score is = %.2f n” , averge) ;
printf (“***********************n) ;
}

39. while
for
while
endless loop)

40. while

41. while
while statement ;
while
{
;
;
;
}
while

42. #include <stdio.h>
int counter , num;
char word[20] = "Bodindecha";
main()
{
num = 0;
counter = 3;
while ( counter <= 11)
{
printf("ntcounter = %2d my school is %s print
round %d. ",counter,word,++num);
counter = counter + 2 ;
}
getch();
}

43. num
counter while
counter <= 11
printf("ntcounter = %2d my school is %s print round %d.
",counter,word,++num);
counter = counter + 2
counter
counter counter <= 11

45. do-while
do while
loop)
while
do while
endless loop)

46. do while

47. do while
Do {
;
;
;
} while ;

48. #include <stdio.h>
int counter ,num ;
char word[20] = "Bodindecha";
main()
{
Num = 0;
counter = 3;
do /*
start do while */
{
printf("ntcounter = %2d my school is %s print
round %d. ",counter,word,++num);
counter = counter + 2 ;
} while (counter < 11 ); /*
end do while */
getch();
}
/* end main() */

49. counter
do while
printf("ntcounter = %2d my school is %s print round %d.
",counter,word,++num); counter = counter + 2;
counter < 11
counter

52. for

53. while
{}
{}

54. do -while
{}1
while

55. 10
28
29
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33
34
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