Matrix transpose in C: solved exercise

Matrix transpose in C: solved exercise

If you are looking for matrix transpose in c: solved exercise, here is a practical, compilable example focused on the reusable idea behind the exercise.

Problem statement

Generate the transpose of a 2x3 matrix and print it as a 3x2 matrix.

C solution

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#include <stdio.h>

int main(void) {
    int a[2][3] = {{1, 2, 3}, {4, 5, 6}};
    int t[3][2];

    for (int i = 0; i < 2; i++) {
        for (int j = 0; j < 3; j++) {
            t[j][i] = a[i][j];
        }
    }

    for (int i = 0; i < 3; i++) {
        for (int j = 0; j < 2; j++) {
            printf("%d", t[i][j]);
            if (j + 1 < 2) {
                printf(" ");
            }
        }
        printf("\n");
    }
    return 0;
}

Expected output

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2
3

1 4
2 5
3 6

Common mistakes

  • Not testing edge cases such as small or empty inputs.
  • Not validating indices, pointers, or limits carefully enough.
  • Copying the mechanics without understanding the general pattern.

Practical use

This pattern appears frequently in text handling, input validation, and buffer manipulation.

Guided practice and full book

If you want a complete path with progressive difficulty:

FAQ

Is this exercise useful in practice?

Yes. It is designed to teach a reusable C pattern rather than a one-off toy example.

How should I practice it better?

Change the input data, add edge cases, and rewrite it from scratch without looking at the solution.

How should I practice this exercise type to improve faster?

Start with small inputs, run edge cases (empty, one item, max capacity), then rewrite the solution from scratch without copying.