C Program to Merge Two arrays in C Programming
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#include<stdio.h> int main() { int arr1[30], arr2[30], res[60]; int i, j, k, n1, n2; printf("\nEnter no of elements in 1st array :"); scanf("%d", &n1); for (i = 0; i < n1; i++) { scanf("%d", &arr1[i]); } printf("\nEnter no of elements in 2nd array :"); scanf("%d", &n2); for (i = 0; i < n2; i++) { scanf("%d", &arr2[i]); } i = 0; j = 0; k = 0; // Merging starts while (i < n1 && j < n2) { if (arr1[i] <= arr2[j]) { res[k] = arr1[i]; i++; k++; } else { res[k] = arr2[j]; k++; j++; } } /* Some elements in array 'arr1' are still remaining where as the array 'arr2' is exhausted */ while (i < n1) { res[k] = arr1[i]; i++; k++; } /* Some elements in array 'arr2' are still remaining where as the array 'arr1' is exhausted */ while (j < n2) { res[k] = arr2[j]; k++; j++; } //Displaying elements of array 'res' printf("\nMerged array is :"); for (i = 0; i < n1 + n2; i++) printf("%d ", res[i]); return (0); } |
Output :
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Enter no of elements in 1st array : 4 11 22 33 44 Enter no of elements in 2nd array : 3 10 40 80 Merged array is : 10 11 22 33 40 44 80 |