luc059.c

Metadata

• Author — Amit Dutta
• Last updated — 08 Feb 2026
• License — MIT License (See the LICENSE file for details)

Problem Statement

Problem Statement

Write a program which initializes an integer array of 10 elements in main(), passes it to modify(), multiplies each element by 3, and prints the new array in main().

Source Code

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

void modify(int *, int);

int main()
{
    int arr[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
    int i;

    printf("Original Array:\n");
    for (i = 0; i < 10; i++)
        printf("%d ", arr[i]);
    
    modify(arr, 10);

    printf("\n\nModified Array (x3):\n");
    for (i = 0; i < 10; i++)
        printf("%d ", arr[i]);
    printf("\n");

    return 0;
}

void modify(int *a, int n)
{
    int i;
    for (i = 0; i < n; i++)
    {
        a[i] = a[i] * 3;
    }
}