mirror of https://github.com/TheAlgorithms/C
70 lines
1.3 KiB
C
70 lines
1.3 KiB
C
// sorting of array list using selection sort
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#include <stdio.h>
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#include <stdlib.h>
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/*Displays the array, passed to this method*/
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void display(int *arr, int n)
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{
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int i;
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for (i = 0; i < n; i++)
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{
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printf("%d ", arr[i]);
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}
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printf("\n");
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}
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/*Swap function to swap two values*/
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void swap(int *first, int *second)
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{
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int temp = *first;
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*first = *second;
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*second = temp;
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}
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/*This is where the sorting of the array takes place
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arr[] --- Array to be sorted
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size --- Array Size
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*/
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void selectionSort(int *arr, int size)
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{
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for (int i = 0; i < size; i++)
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{
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int min_index = i;
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for (int j = i + 1; j < size; j++)
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{
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if (arr[min_index] > arr[j])
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{
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min_index = j;
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}
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}
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swap(&arr[i], &arr[min_index]);
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}
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}
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int main(int argc, const char *argv[])
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{
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int n;
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printf("Enter size of array:\n");
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scanf("%d", &n); // E.g. 8
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printf("Enter the elements of the array\n");
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int i;
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int *arr = (int *)malloc(n * sizeof(int));
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for (i = 0; i < n; i++)
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{
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scanf("%d", &arr[i]);
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}
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printf("Original array: ");
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display(arr, n); // Original array : 10 11 9 8 4 7 3 8
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selectionSort(arr, n);
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printf("Sorted array: ");
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display(arr, n); // Sorted array : 3 4 7 8 8 9 10 11
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free(arr);
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return 0;
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}
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