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Showing posts with label C Program to find the union and intersection of two arrays. Show all posts
Showing posts with label C Program to find the union and intersection of two arrays. Show all posts

C Program to find the union and intersection of two arrays

C Program to find the union and intersection of two arrays 


#include <stdio.h>
#define SIZE 5
void get_value(int arr[]);
void print_value(int arr[], int n);
void function_sort(int arr[]);
int find_intersection(int array1[],
int array2[], int intersection_array[]);
int find_union(int array1[], int array2[],
int union_array[]);

 int main()
{ int array1[SIZE], array2[SIZE], intersection_array[SIZE], union_array[SIZE*2]; int num_elements; printf("\n Enter the elements of Array 1: n"); get_value(array1); printf("\n\n Elements of Array 1: "); print_value(array1, SIZE); function_sort(array1); printf("nnSorted elements of Array 1: "); print_value(array1, SIZE); printf("nnEnter the elements of Array 2: n"); get_value(array2); printf("\n\n Elements of Array 2: "); print_value(array2, SIZE); function_sort(array2); printf("\n\nSorted elements of Array 2: "); print_value(array2, SIZE); num_elements = find_intersection(array1, array2, intersection_array); printf("\n\n Intersection is: "); print_value(intersection_array, num_elements); num_elements = find_union(array1, array2, union_array); printf("\n\n Union is: "); print_value(union_array, num_elements); return 0; } void get_value(int arr[]) { int i, j; for (i = 0; i < SIZE; i++) { j = i + 1; printf("\n Enter element %d: ", j); scanf("%d", &arr[i]); } } void print_value(int arr[], int n) { int i; printf("{ "); for (i = 0; i < n; i++) { printf("%d ", arr[i]); } printf("}"); } void function_sort(int arr[]) { int i, j, temp, swapping; for (i = 1; i < SIZE; i++) { swapping = 0; for (j = 0; j < SIZE-i; j++) { if (arr[j] > arr[j+1]) { temp = arr[j]; arr[j] = arr[j + 1]; arr[j + 1] = temp; swapping = 1; } } if (swapping == 0) { break; } } } int find_intersection(int array1[], int array2[], int intersection_array[]) { int i = 0, j = 0, k = 0; while ((i < SIZE) && (j < SIZE)) { if (array1[i] < array2[j]) { i++; } else if (array1[i] > array2[j]) { j++; } else { intersection_array[k] = array1[i]; i++; j++; k++; } } return(k); } int find_union(int array1[], int array2[], int union_array[]) { int i = 0, j = 0, k = 0; while ((i < SIZE) && (j < SIZE)) { if (array1[i] < array2[j]) { union_array[k] = array1[i]; i++; k++; } else if (array1[i] > array2[j]) { union_array[k] = array2[j]; j++; k++; } else { union_array[k] = array1[i]; i++; j++; k++; } } if (i == SIZE) { while (j < SIZE) { union_array[k] = array2[j]; j++; k++; } } else { while (i < SIZE) { union_array[k] = array1[i]; i++; k++; } } 4return(k); }

OUTPUT:- ------------------------------------

Enter the elements of Array 1: n Enter element 1: 4 Enter element 2: 2 Enter element 3: 6 Enter element 4: 8 Enter element 5: 1 Elements of Array 1: { 4 2 6 8 1 }nnSorted elements of Array 1: { 1 2 4 6 8 }nn Enter the elements of Array 2: n Enter element 1: 3 Enter element 2: 4 Enter element 3: 6 Enter element 4: 7 Enter element 5: 0 Elements of Array 2: { 3 4 6 7 0 } Sorted elements of Array 2: { 0 3 4 6 7 } Intersection is: { 4 6 } Union is: { 0 1 2 3 4 6 7 8 }

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