Welcome to CS0.101 Computer Programming #

Girish Varma

Admin Stuff #

Teaching Team #

Instructors: Girish Varma

Head TA: Sajjid Ansari TAs:

How to ace this course? #

12 Weeks Course (excluding exam/holiday/prep weeks) ​

Total Time per week: 13 hrs
Total Problem solving per week: 3 (Lab) + 2 (Tut) + 2 (Assgn) + 2 (Practice) = 9

Evaluation #

Solve 100 problems over the entire course.

Websites #

Course Website: https://cpro-iiit.github.io/ All lecture/lab/tutorial material is posted. Additional information, links to other courses/tutorials on the web.

Introduction to Computer Programming #

What this Course is about? #

• Genie needs to be instructed precisely, otherwise it will not respond!

• It will precisely do, what you told it to do! If you meant something else and that was your problem.

• Genie only understand a language, which has no scope for confusion/ambiguity.

Basic Computer Organisation #

Programming Languages #

Intro to C Programming #

Hello World! C Program #

main.c file. Try it out at https://www.programiz.com/c-programming/online-compiler/

// 1. This line is a comment that is ignored by compiler.

// 2. include standard library for input/output. Allows to print to shell
#include <stdio.h> 

// 3. execution start inside this **function** named main. 
int main() 
{ // start of main function

    // 4. prints to the shell
    printf("Hello, world\n");
    return 0; /* 5. returns integer 0 */

} // end of main function

Running the Program #

1. Run gcc compiler to get executable file main gcc main.c -o main
2. Run the executable main ./main

Comments for C: #

• Whole-line comment
• Partial line comment
• Multiple line comment

•       // This is a whole-line comment
        variable = 5; // this is partial line comment
        /* and 
        comment
        comment
        ..
        */          
  

  Programiz, web editor: https://tinyurl.com/bdd55vwn

Thanks #