implements selection sort

c/bubble-sort-take-2.c

@@ -0,0 +1,45 @@
+#include <stdio.h>
+
+/*
+in bubble sort we iterate through the array each time we encounter adjacent elements
+out of order, we swap them. We continue this iteration until we have reached
+ */
+
+void swap(int *a, int *b) {
+    int temp = *a;
+    *a = *b;
+    *b = temp;
+}
+
+void bubble_sort(int arr[], int len) {
+    int swap_count = 1;
+    int temp;
+    int end_index = len - 1;
+
+    while (swap_count > 0) {
+        swap_count = 0;
+        for (int i = 0; i < end_index; i++) {
+            if (arr[i] > arr[i + 1]) {
+                temp = arr[i];
+                arr[i] = arr[i + 1];
+                arr[i + 1] = temp;
+                swap_count++;
+            }
+        }
+        end_index--;
+    }
+}
+
+void print_array(int arr[], int len) {
+    printf("[ ");
+    for (int i = 0; i < len; i++) {
+        printf(" %d", arr[i]);
+    }
+    printf(" ]\n");
+}
+
+int main() {
+    int input[5] = {5, 4, 3, 2, 1};
+    bubble_sort(input, 5);
+    print_array(input, 5);
+}