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luc031.c

Problem Statement

Write a program to enter numbers till the user wants. At the end it should display the count of positive, negative and zeros entered.

Metadata

Property Detail
Author Amit Dutta (amitdutta4255@gmail.com)
License MIT
Difficulty Beginner (index: 2 / 10)

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Source Code

#include <stdio.h>
int main()
{
    int choice = 1, num, positive_count = 0, negative_count = 0, zero_count = 0;
    while (choice == 1)
    {
        printf("\nEnter the number (Type any character and press Enter to finish.) : ");
        choice = scanf("%d", &num); // Checking whether the user has input any characters
        if (choice == 1)
        {
            printf("Number recorded : %d", num);
            if (num < 0)
                negative_count++;
            else if (num > 0)
                positive_count++;
            else if (num == 0)
                zero_count++;
        }
        else 
        {
        // If the user inputs any characters, then choice = 0, it means he doesn't want to give any more input;
            choice = 0;
            printf("\nCharacter received. Stopping input...\n");
        }
    }
    // Display the final results
    printf("\n====================================\n");
    printf("   Analysis Complete\n");
    printf("====================================\n");
    printf("Positive numbers entered: %d\n", positive_count);
    printf("Negative numbers entered: %d\n", negative_count);
    printf("Zeroes entered:           %d\n", zero_count);
    printf("Total numbers recorded:   %d\n", positive_count + negative_count + zero_count);
    printf("====================================\n");
}

Explanation

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    You are explaining a C programming code to a beginner.

    STRICT RULES:

    - Only use the given code. Do NOT assume anything not present.

    - Do NOT add extra examples.

    - Keep explanation clear and short.

    - If something is unclear, say "Not clear from code".

    - Follow the exact format below. Do NOT change headings.

    FORMAT:

    [START]

    ## What it does

    (Explain the overall purpose in 1-2 sentences)

    ## Step-by-step

    (Explain how the code works in steps, simple language)

    ## Key Concepts

    (List concepts like loop, condition, function, etc.)

    ## Notes

    (Mention any limitations, errors, or assumptions)

    [END]

    CODE (luc031.c):

    #include <stdio.h>
    int main()
    {
        int choice = 1, num, positive_count = 0, negative_count = 0, zero_count = 0;
        while (choice == 1)
        {
            printf("\nEnter the number (Type any character and press Enter to finish.) : ");
            choice = scanf("%d", &num); // Checking whether the user has input any characters
            if (choice == 1)
            {
                printf("Number recorded : %d", num);
                if (num < 0)
                    negative_count++;
                else if (num > 0)
                    positive_count++;
                else if (num == 0)
                    zero_count++;
            }
            else 
            {
            // If the user inputs any characters, then choice = 0, it means he doesn't want to give any more input;
                choice = 0;
                printf("\nCharacter received. Stopping input...\n");
            }
        }
        // Display the final results
        printf("\n====================================\n");
        printf("   Analysis Complete\n");
        printf("====================================\n");
        printf("Positive numbers entered: %d\n", positive_count);
        printf("Negative numbers entered: %d\n", negative_count);
        printf("Zeroes entered:           %d\n", zero_count);
        printf("Total numbers recorded:   %d\n", positive_count + negative_count + zero_count);
        printf("====================================\n");
    }