Dynamic Memory Challenge

Hard Dynamic Memory Allocation PRO
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Problem Statement

Write a C program to implement a dynamic matrix transpose: allocate a matrix, read elements, compute its transpose into a newly allocated matrix, print the transposed matrix, and free all memory blocks.

Input Format

First line: rows and cols. Subsequent lines: matrix elements.

Output Format

Print the transposed matrix row by row separated by spaces.

Constraints

1 <= rows, cols <= 10

Sample Input

2 3
1 2 3
4 5 6

Sample Output

1 4
2 5
3 6

Explanation

Allocate two dynamic matrices, swap row and column indices during assignment to transpose, print the result, and deallocate all heap memory.

Starter Code

#include <stdio.h>
#include <stdlib.h>

int main() {
    int rows, cols;
    if (scanf("%d %d", &rows, &cols) == 2) {
        // Write your code here for dynamic matrix transpose challenge
    }
    return 0;
}

Limits

  • Time Limit: 1s
  • Memory Limit: 256MB

Embedded C Programming

Updated: March 15, 2026
Intermediate

Embedded systems rely on efficient low-level programming to interact directly with hardware. In this course, you will learn how to write practical Embedded C programs used in real microcontroller-based systems. Rather than focusing only on theory, this course follows a practice-driven approach. Each lesson includes hands-on coding exercises that simulate real firmware development tasks used