Telugu Guide to Algorithms and C Programming

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Algorithm:- It is a Step-by-Step Procedure for Solving a problem.
Based on Algorithm we develop program.
Characteristics or Properties of an Algorithm:-
1. Input :- An Algorithm accepts 0 or more number of inputs.
2. Output:- An Algorithm must produce 1 or more number of outputs.
3. Finiteness:-An Algorithm must contain a finite number of steps.
4. Definiteness:- Each Step of an Algorithm must be clear & unambiguous.
5. Effectiveness:- All the operations are performed in a finite amount of time using paper and pencil.

Ex1:- Write an Algorithm to display “ Welcome to C Programming”.
Step 1:- Start
Step 2:- Print “Welcome to C Programming”
Step 3:- Stop

Ex2:- Write an Algorithm to add 2 numbers.
Step 1:- Start
Step 2:- Read 2 numbers
Step 3:- Calculate sum=a+b
Step 4:- Print sum
Step 5:- Stop

Ex3:- Write an Algorithm to calculate Area and Perimeter of a circle.
Step 1:- Start
Step 2:- Read r
Step 3:- Calculate area=3.14*r*r
Step 4:- Calculate p=2*3.14*r
Step 5:- Print area, p
Step 6:- Stop