1.
SUBMITTED BY
DR.G.AMBIKA
ASST.PROF OF IT
BON SECOURS COLLEGE FOR WOMEN,
THANJAVUR
PROGRAMMING IN C
DECISION MAKING
AND LOOPING

2.
DECISION MAKING AND
LOOPING
DECISION MAKING:
decision making statement in
programming language help the programmer to
transfer the contral from one part to other part of
the program.

3.
What is looping?
 The iteration control structure are
used for repeatively excuting a block
of code multiple times,until the
condition is false.
looping
For loop
While
loop
Do while
looping

4.
For loop;
 It is “Entry controlled loop”.
SYNTAX:
for(initialization:test condition ;in/dc)
{
statement;
}

5.
program:
#include<stdio.h>
#include<conio.h>
Void main ( )
clrscr( )
for(int a=0,a<=10,a++)
{
printf(“%dn”,a);
}
getch( );
}

6.
While loop:
 A while loop execute stmt repeatedly
until condition is false.
SYNTAX:
While(condition)
{
stmt;
}

7.
program:
#include<stdio.h>
#include<conio.h>
Void main( )
{
int n=1;
clrscr( );
while(n)
{
printf(“n%d”,n);
++n;
}
getch();
}

8.
Do while loop:
 Do while loop excute the statement first
after that it check the condition .
SYNTAX:
do
{
state;
}
while(condition);

9.
Program:
#include<stdio.h>
#include<conio.h>
Void main()
{
clrscr( );
do
{
print(“hello guyst”)
}
while(5):
{
printf(“bye guys”);
}
getch( );
}