programming-examples/c/Search_Sorting/C Program to Implement Insertion Sort.c
2019-11-15 12:59:38 +01:00

57 lines
1.1 KiB
C

/*
* C Program to Implement Insertion Sort
*/
#include <stdio.h>
#define MAX 7
void insertion_sort(int *);
void main()
{
int a[MAX], i;
printf("enter elements to be sorted:");
for (i = 0; i < MAX; i++)
{
scanf("%d", &a[i]);
}
insertion_sort(a);
printf("sorted elements:\n");
for (i = 0; i < MAX; i++)
{
printf(" %d", a[i]);
}
}
/* sorts the input */
void insertion_sort(int * x)
{
int temp, i, j;
for (i = 1; i < MAX; i++)
{
temp = x[i];
j = i - 1;
while (temp < x[j] && j >= 0)
{
x[j + 1] = x[j];
j = j - 1;
}
x[j + 1] = temp;
}
}
/*
*OUTPUT:
enter elements to be sorted:8 2 4 9 3 6 1
sorted elements:
1 2 3 4 6 8 9
/*Best case
enter elements to be sorted:1 2 3 4 5 6 7
sorted elements:
1 2 3 4 5 6 7
/*Worst case
enter elements to be sorted:7 6 5 4 3 2 1
sorted elements:
1 2 3 4 5 6 7
*/