/*****<soeasyprograms.blogspot.in>*****/
#include <stdio.h>
#define MAX 5
#define SHOWPASS
void print(int *a, int n)
{
int i;
for (i = 0; i < n; i++)
printf("%d\t", a[i]);
}
void radixsort(int *a, int n)
{
int i, b[MAX], m = 0, exp = 1;
for (i = 0; i < n; i++)
{
if (a[i] > m)
m = a[i];
}
while (m / exp > 0)
{
int bucket[10] =
{
0
};
for (i = 0; i < n; i++)
bucket[a[i] / exp % 10]++;
for (i = 1; i < 10; i++)
bucket[i] += bucket[i - 1];
for (i = n - 1; i >= 0; i--)
b[--bucket[a[i] / exp % 10]] = a[i];
for (i = 0; i < n; i++)
a[i] = b[i];
exp *= 10;
#ifdef SHOWPASS
printf("\nPASS : ");
print(a, n);
#endif
}
}
int main()
{
int arr[MAX];
int i, n;
printf("Enter total elements (n < %d) : ", MAX);
scanf("%d", &n);
printf("Enter %d Elements : ", n);
for (i = 0; i < n; i++)
scanf("%d", &arr[i]);
printf("\nARRAY : ");
print(&arr[0], n);
radixsort(&arr[0], n);
printf("\nSORTED : ");
print(&arr[0], n);
printf("\n");
return 0;
}
Output of this Program is:
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