3D Array Example – Cuboid Volume Calculation

Pravesh Agrawal — Sat, 02 Dec 2023 11:01:27 +0000

#include 

#define LENGTH 2
#define WIDTH 3
#define HEIGHT 4

int main() {
    // Cuboid volume calculation using a 3D array
    int cuboid[LENGTH][WIDTH][HEIGHT];

    // Initialize cuboid dimensions
    for (int i = 0; i < LENGTH; i++) {
        for (int j = 0; j < WIDTH; j++) {
            for (int k = 0; k < HEIGHT; k++) {
                cuboid[i][j][k] = i + j + k; // Arbitrary initialization for demonstration
            }
        }
    }

    // Calculate and print the cuboid volumes
    printf("Cuboid Volumes:\n");
    for (int i = 0; i < LENGTH; i++) {
        for (int j = 0; j < WIDTH; j++) {
            for (int k = 0; k < HEIGHT; k++) {
                printf("Volume[%d][%d][%d]: %d\n", i, j, k, cuboid[i][j][k]);
            }
        }
    }

    return 0;
}

2D Array Example – Matrix Multiplication

Pravesh Agrawal — Sat, 02 Dec 2023 11:01:02 +0000

#include 

#define ROWS_A 2
#define COLS_A 3
#define ROWS_B 3
#define COLS_B 2

int main() {
    // Matrix multiplication using a 2D array
    int matrixA[ROWS_A][COLS_A] = {{1, 2, 3}, {4, 5, 6}};
    int matrixB[ROWS_B][COLS_B] = {{7, 8}, {9, 10}, {11, 12}};
    int result[ROWS_A][COLS_B];

    printf("Matrix A:\n");
    for (int i = 0; i < ROWS_A; i++) {
        for (int j = 0; j < COLS_A; j++) {
            printf("%d\t", matrixA[i][j]);
        }
        printf("\n");
    }

    printf("\nMatrix B:\n");
    for (int i = 0; i < ROWS_B; i++) {
        for (int j = 0; j < COLS_B; j++) {
            printf("%d\t", matrixB[i][j]);
        }
        printf("\n");
    }

    // Matrix multiplication
    for (int i = 0; i < ROWS_A; i++) {
        for (int j = 0; j < COLS_B; j++) {
            result[i][j] = 0;
            for (int k = 0; k < COLS_A; k++) {
                result[i][j] += matrixA[i][k] * matrixB[k][j];
            }
        }
    }

    printf("\nResult Matrix:\n");
    for (int i = 0; i < ROWS_A; i++) {
        for (int j = 0; j < COLS_B; j++) {
            printf("%d\t", result[i][j]);
        }
        printf("\n");
    }

    return 0;
}

Arrays 2D & 3D – Let us C

3D Array Example – Cuboid Volume Calculation

2D Array Example – Matrix Multiplication