radix sort via c programming

SortingAlgorithms/radixSort.c

@@ -0,0 +1,63 @@
+#include <stdio.h>
+#include <conio.h>
+#include <stdlib.h>
+
+
+int getMax(int list[], int n) {
+    int mx = list[0];
+    int i;
+    for (i = 1; i < n; i++)
+        if (list[i] > mx)
+            mx = list[i];
+    return mx;
+}
+
+void countSort(int list[], int n, int exp) {
+    int output[n];
+    int i, count[10] = { 0 };
+
+    for (i = 0; i < n; i++)
+        count[(list[i] / exp) % 10]++;
+
+    for (i = 1; i < 10; i++)
+        count[i] += count[i - 1];
+
+    for (i = n - 1; i >= 0; i--) {
+        output[count[(list[i] / exp) % 10] - 1] = list[i];
+        count[(list[i] / exp) % 10]--;
+    }
+
+    for (i = 0; i < n; i++)
+        list[i] = output[i];
+}
+
+void radixsort(int list[], int n) {
+    int m = getMax(list, n);
+
+    int exp;
+    for (exp = 1; m / exp > 0; exp *= 10)
+        countSort(list, n, exp);
+}
+
+void print(int list[], int n) {
+    int i;
+    for (i = 0; i < n; i++)
+        printf("%d\t", list[i]);
+}
+
+int main()
+{
+    int list[] = { 82, 901, 100, 12, 150, 77, 55, 23 };
+    int i, n = sizeof(list) / sizeof(list[0]);
+
+    printf("List of numbers before sort: \n");
+    for(i = 0; i<8; i++)
+        printf("%d\t", list[i] );
+
+    radixsort(list, n);
+
+    printf("\n\nList of numbers after sort: \n");
+    print(list, n);
+    printf("\n\n");
+    return 0;
+}