`lucproblem001.c`¶

Problem Statement

Consider a currency system in which there are notes of six denominations, namely, Rs. 1, Rs. 2, rs. 5, Rs. 10, Rs. 50, Rs. 100. If a sum of Rs. N is entered through the keyboard, Write a program to compute the smallest number of notes that will combine to give Rs. N.

Metadata¶

Property	Detail
Author	Amit Dutta (amitdutta4255@gmail.com)
License	MIT
Difficulty	Beginner (index: 1 / 10)

Concepts¶

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Recursion

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Source Code¶

#include <stdio.h>
int main()
{
    int n, nonotes, temp;
    printf("Enter the amount : ");
    scanf("%d", &n);
    if (n < 1)
    {
        printf("\nAmount should be a positive integer.");
        return 1;
    }
    temp = n;
    nonotes = n / 100;
    n = n % 100;
    nonotes = nonotes + (n / 50);
    n = n % 50;
    nonotes = nonotes + (n / 10);
    n = n % 10;
    nonotes = nonotes + (n / 5);
    n = n % 5;
    nonotes = nonotes + (n / 2);
    n = n % 2;
    nonotes = nonotes + n;
    printf("\nthe smallest number of notes that will combine to give Rs. %d : %d", temp, nonotes);
    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 (lucproblem001.c):

    #include <stdio.h>
    int main()
    {
        int n, nonotes, temp;
        printf("Enter the amount : ");
        scanf("%d", &n);
        if (n < 1)
        {
            printf("\nAmount should be a positive integer.");
            return 1;
        }
        temp = n;
        nonotes = n / 100;
        n = n % 100;
        nonotes = nonotes + (n / 50);
        n = n % 50;
        nonotes = nonotes + (n / 10);
        n = n % 10;
        nonotes = nonotes + (n / 5);
        n = n % 5;
        nonotes = nonotes + (n / 2);
        n = n % 2;
        nonotes = nonotes + n;
        printf("\nthe smallest number of notes that will combine to give Rs. %d : %d", temp, nonotes);
        return 0;
    }

lucproblem001.c¶