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Implementing Cell Completion in C Using Structures and Functions

Implementing Cell Completion in C Using Structures and Functions

February 27, 2025 Education

Implementing Cell Completion in C Using Structures and Functions

In this article, we'll explore how to implement the cell completion problem in C utilizing structures and functions. We'll start by defining a structure for a cell, and then proceed to create a function to complete the cells and return the list. The code will be explained in detail, and we'll also discuss how to compile and run this code from the command line.

Introduction to the Cell Completion Problem

The cell completion problem in C involves managing a collection of cells and marking them as completed or incomplete. This is typically useful in scenarios where tasks need to be tracked and their statuses updated. By using structures and functions, we can structure our code in a clean and efficient manner.

Defining the Cell Structure

First, we define a structure called Cell, which will hold the ID, name, and completion status of each cell.

typedef struct {
    int id;
    char name[50];
    int completed; // 1 for completed, 0 for not completed
} Cell;

Creating a List of Cells

Next, we implement a function named createCellList() to allocate memory, initialize the cells, and return the list.

Cell createCellList(int numCells) {
    Cell *cellList  (Cell *)malloc(numCells * sizeof(Cell));
    if (cellList  NULL) {
        printf(Memory allocation failed!
);
        exit(1);
    }
    for (int i  0; i

In this function, we dynamically allocate memory for the list using malloc(). We then initialize each cell's ID, name, and completion status. The name is set using snprintf() to provide a descriptive name for each cell, and the completion status is determined using a simple modulo operation.

Completing the Cells

The function completeCells() takes a pointer to the cell list and marks all cells as completed.

void completeCells(Cell *cellList, int numCells) {
    for (int i  0; i

This function iterates through the list, setting the completed flag to 1 for each cell, indicating that they are now completed.

Printing the Cell List

The printCellList() function allows us to display the details of each cell in the list.

void printCellList(Cell *cellList, int numCells) {
    for (int i  0; i

This function simply loops through the list and prints each cell's ID, name, and completion status.

The Main Function

The main() function is where we put everything together. We create a cell list, print its initial status, complete the cells, print the updated status, and finally free the allocated memory.

int main() {
    int numCells  5; // Example number of cells
    Cell *cells  createCellList(numCells);
    printf(Initial Status:
;
    printCellList(cells, numCells);
    completeCells(cells, numCells);
    printf(Status After Completing:
;
    printCellList(cells, numCells);
    free(cells); // Free the allocated memory
    return 0;
}

The main() function initializes the number of cells, creates the cell list, prints its initial status, marks all cells as completed, prints the updated status, and finally frees the allocated memory to avoid memory leaks.

Compilation and Execution

To compile and run this C program, you can use the following commands:

gcc -o cell_completion cell_completion.c
./cell_completion

This will display the status of the cells before and after marking them as completed. You can adjust the numCells variable in the main() function to change the number of cells in the list.

By following this structure, you can easily manage a collection of cells and update their statuses in C. This approach can be extended to more complex scenarios, such as adding more fields to the Cell structure or implementing additional functions to manipulate and query the cell list.

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