Welcome to CS0.101 Computer Programming #

Girish Varma

https://cpro-iiit.github.io/docs/course_material/lectures/1/05_08.pdf

Admin Stuff #

Teaching Team #

Instructors (3): Girish Varma, Abhishek Deshpande, Sandeep Nagar

TAs (20): Devesh, Sirisetti, Mayaank, Priet, Harshvardhan, Shreya, Annamalai, Talib, Druvitha, Aaditya, Tanishq, Sahil, Karan, Manan, Madhav, Yash, Khooshi, Poorvi, Harshit, Sarthak

How to ace this course? #

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

Session	Time (hrs)	Marks (%)
3 Lectures	3 x 1	-
1 Tutorial	1 x 1	-
1 Lab	1 x 3	2
Reading/Practice	3
Assignment	3	2.5

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

Evaluation #

Component	Marks (%)
Lab	10 x 2	Best 10 of *
Assignments	6 x 5	6 in No.
Mid Term	8 + 12	Written + Lab
End Sem	10 + 20	Written + Lab

80% marks for programming problem solving.
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.

Autolab Problem Server: https://pingala.iiit.ac.in/ All lab/assignment/tutorials problems released here. More about this in the lab.

Introduction to Computer Programming #

What this Course is about? #

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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 #

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Programming Languages #

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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 #

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

What just happened? #