pc-ip-10.c (1496B)
1 /* 2 * Author : Amit Dutta <amitdutta4255@gmail.com> 3 * Date : 05 Jan 2026 4 * Repo : https://github.com/notamitgamer/bsc 5 * License : MIT License (See the LICENSE file for details) 6 */ 7 8 /* 9 * Question 10: 10 * Write a function that reverses each elements of an array in place, using only a single pointer argument, and return void. 11 */ 12 13 #include <stdio.h> 14 #include <stdlib.h> 15 16 void inputArray(int[], int); 17 void printArray(int[], int); 18 void reverse(int *); 19 20 int main() 21 { 22 int n, i, *arr = NULL; 23 printf("Enter the number of element: "); 24 scanf("%d", &n); 25 arr = (int *)malloc(n * sizeof(int)); 26 if (arr == NULL) 27 { 28 printf("\nMemory allocation failed."); 29 return 1; 30 } 31 inputArray(arr, n); 32 printf("\nGiven Array: "); 33 printArray(arr, n); 34 for (i = 0; i < n; i++) 35 { 36 reverse(&arr[i]); 37 } 38 printf("\nUpdated Array: "); 39 printArray(arr, n); 40 free(arr); 41 return 0; 42 } 43 44 void inputArray(int arr[], int n) 45 { 46 int i; 47 for (i = 0; i < n; i++) 48 { 49 printf("Enter element %d: ", i + 1); 50 scanf("%d", &arr[i]); 51 } 52 } 53 54 void printArray(int arr[], int n) 55 { 56 int i; 57 printf("["); 58 for (i = 0; i < n; i++) 59 { 60 printf("%d", arr[i]); 61 if (i < n - 1) 62 { 63 printf(", "); 64 } 65 } 66 printf("]"); 67 } 68 69 void reverse(int *n) 70 { 71 int temp = *n; 72 int rev = 0; 73 while (temp > 0) 74 { 75 rev = (rev * 10) + (temp % 10); 76 temp /= 10; 77 } 78 *n = rev; 79 }