selection_sort.c

#include <stdio.h> 

void swap(int *xp, int *yp) 
{ 
	int temp = *xp; 
	*xp = *yp; 
	*yp = temp; 
} 

void selectionSort(int arr[], int n) 
{ 
	int i, j, min_idx; 
	for (i = 0; i < n-1; i++) 
	{ 
		min_idx = i; 
		for (j = i+1; j < n; j++) 
		if (arr[j] < arr[min_idx]) 
			min_idx = j; 
		swap(&arr[min_idx], &arr[i]); 
	} 
} 



int main() 
{ 
	int arr[] = { 3,7,2,1,5 }; //input 
	int n = 5; //number of values 

	insertionSort(arr, n); 
	for (int i = 0; i < n; i++) 
		printf("%d ", arr[i]); 

	return 0; 
}