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Bubble Sort in C

Updated: 2026-07-05

Introduction

Bubble Sort in C is a complete beginner-friendly tutorial on Bubble Sort in C. It is designed for BTech, diploma, viva, practical exams and placement preparation.

Definition

Bubble Sort in C is an important concept of C programming that helps students understand programming logic, syntax, memory and problem solving.

Real Life Example

Real-life example: A C program works like a recipe. Each statement gives one clear instruction to the computer.

C Program Example

#include <stdio.h>

int main(){
 int a[5]={40,10,30,20,50},t;
 for(int i=0;i<4;i++) for(int j=0;j<4-i;j++) if(a[j]>a[j+1]){t=a[j];a[j]=a[j+1];a[j+1]=t;}
 for(int i=0;i<5;i++) printf("%d ",a[i]);
 return 0;
}

Output

Sample output will appear according to the program and input.

Viva Questions

  1. Define Bubble Sort in C.
  2. Give one example of Bubble Sort in C.
  3. What are common mistakes in Bubble Sort in C?

MCQs

  1. Bubble Sort in C belongs to which programming language? Answer: C Programming
  2. Which function is the entry point of a C program? Answer: main()