Selection Sort: C Program

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Selection sort in C: C program for selection sort to sort numbers. This code implements selection sort algorithm to arrange numbers of an array in ascending order. With a little modification it will arrange numbers in descending order.

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#include <stdio.h>
#include <conio.h>

void main()
{
int array[100], n, c, d, position, swap;
clrscr();

printf(“Enter number of elements\n”);
scanf(“%d”, &n);

printf(“Enter %d integers\n”, n);

for ( c = 0 ; c < n ; c++ )
scanf(“%d”, &array[c]);

for ( c = 0 ; c < ( n – 1 ) ; c++ )
{
position = c;

for ( d = c + 1 ; d < n ; d++ )
{
if ( array[position] > array[d] )
position = d;
}
if ( position != c )
{
swap = array[c];
array[c] = array[position];
array[position] = swap;
}
}

printf(“Sorted list in ascending order:\n”);

for ( c = 0 ; c < n ; c++ )
printf(“%d\n”, array[c]);

getch();
}

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