Introduction:
While loop is a a pre-test loop, it first test a special conditional expression and as long as conditional expression is true , loop body statement will be executed.
Syntax:
while (condition)
{
//statement;
incr/decr;
}
Flow chart:
Step 1: In the execution flow, first initialized the value.
Step 2: After initialized the value it checked the condition. If the condition is true then the block of code executed. Then it increments or decrement the value of initialized variable.
Step 3: Repeat step 2 until the condition is false.
Step 4: If the condition is false then stop the execution of statement and it executed outside of the loop.
Example:
#include<stdio.h>
int main()
{
int i = 0;
while ( i <=10 )
{
Printf(“%d “,i );
i++;
}
}
Output: 0 1 2 3 4 5 6 7 8 9 10
Conclusion:
For loop is used when we don’t know the number of iterations. Using while loops, we do not need to write the same code again and again.
AUTHOR-SOURAV PURKAIT
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