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luc082.c

Problem Statement

Structure 'employee' (Code, Name, Date of Joining). Display names of employees with tenure >= 3 years.

Metadata

Property Detail
Author Amit Dutta amitdutta4255@gmail.com
Date 08 Feb 2026
License MIT License (See the LICENSE file for details)
Difficulty Beginner (index: 3 / 10)

Concepts

Beta Feature

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  • Array
  • Sorting (possible)
  • Iteration

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Source Code

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

struct date
{
    int day;
    int month;
    int year;
};

struct employee
{
    int code;
    char name[30];
    struct date doj;
};

int main()
{
    struct employee emp[5] = {
        {101, "Amit", {12, 1, 2020}},
        {102, "Sumit", {15, 8, 2023}},
        {103, "Rina", {1, 1, 2018}},
        {104, "Tina", {20, 5, 2022}},
        {105, "Mina", {10, 12, 2025}}
    };
    int n = 5, i;
    struct date current;

    printf("Enter current date (dd mm yyyy): ");
    scanf("%d %d %d", &current.day, &current.month, &current.year);

    printf("\nEmployees with tenure >= 3 years:\n");
    for (i = 0; i < n; i++)
    {
        int years = current.year - emp[i].doj.year;

        // Adjust for month/day
        if (current.month < emp[i].doj.month || 
           (current.month == emp[i].doj.month && current.day < emp[i].doj.day))
        {
            years--;
        }

        if (years >= 3)
        {
            printf("%s (Tenure: %d years)\n", emp[i].name, years);
        }
    }

    return 0;
}

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 (luc082.c):

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

    struct date
    {
        int day;
        int month;
        int year;
    };

    struct employee
    {
        int code;
        char name[30];
        struct date doj;
    };

    int main()
    {
        struct employee emp[5] = {
            {101, "Amit", {12, 1, 2020}},
            {102, "Sumit", {15, 8, 2023}},
            {103, "Rina", {1, 1, 2018}},
            {104, "Tina", {20, 5, 2022}},
            {105, "Mina", {10, 12, 2025}}
        };
        int n = 5, i;
        struct date current;

        printf("Enter current date (dd mm yyyy): ");
        scanf("%d %d %d", &current.day, &current.month, &current.year);

        printf("\nEmployees with tenure >= 3 years:\n");
        for (i = 0; i < n; i++)
        {
            int years = current.year - emp[i].doj.year;

            // Adjust for month/day
            if (current.month < emp[i].doj.month || 
               (current.month == emp[i].doj.month && current.day < emp[i].doj.day))
            {
                years--;
            }

            if (years >= 3)
            {
                printf("%s (Tenure: %d years)\n", emp[i].name, years);
            }
        }

        return 0;
    }