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Example 2: Flowchart to add first 100 natural numbers.

Start

Sum = 0

N = 0

N = N + 1

Sum = Sum + N

Is
N > 100?
No

Yes

Print Sum

Stop

SOLVING PROBLEMS USING ALGORITHMS AND FLOWCHARTS

Example 1: Write an algorithm and draw a flowchart to calculate the factorial of a number.

Algorithm

Step 1: Start
Step 2: Read the number n

Step 3: Initialize i=1, fact=1
Step 4: Check If i < = n Then Repeat Step 5 and 6 until i=n

Step 5: fact=fact*i
Step 6: i=i+1

Step 7: Print fact
Step 8: Stop

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