Question

Develop an algorithm and flow chart to print all even numbers below 100 in descending order

Answer 1

Algorithm:

1. Start

2. Assign the variable i with 99

3. Check whether i!=0 condition satisfies in looping.

4. If yes, check if i value is exactly divisible by 2 leaving the remainder 0 or not. If the 'if condition' says yes, print the number. Decrement the value of i by 1 in the loop irrespective of 'if condition'.

5. If no, terminate the loop.

6. Stop.

Flowchart: Check the ATTACHMENT given below.

Program 1 (Using while loop):

i=99

while(i!=0)

   if i%2==0:

      print(i)

   i=i-1

Program 2 (Using for loop):

for i in range(99,0,-1):

    if i%2==0:

       print(i)

 

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