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42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
/*
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* C Program to sort an array using Shell Sort technique
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*/
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#include <stdio.h>
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void shellsort(int arr[], int num)
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{
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int i, j, k, tmp;
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for (i = num / 2; i > 0; i = i / 2)
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{
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for (j = i; j < num; j++)
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{
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for(k = j - i; k >= 0; k = k - i)
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{
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if (arr[k+i] >= arr[k])
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break;
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else
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{
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tmp = arr[k];
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arr[k] = arr[k+i];
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arr[k+i] = tmp;
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}
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}
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}
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}
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}
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int main()
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{
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int arr[30];
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int k, num;
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printf("Enter total no. of elements : ");
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scanf("%d", &num);
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printf("\nEnter %d numbers: ", num);
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for (k = 0 ; k < num; k++)
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{
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scanf("%d", &arr[k]);
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}
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shellsort(arr, num);
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printf("\n Sorted array is: ");
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for (k = 0; k < num; k++)
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printf("%d ", arr[k]);
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return 0;
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} |