Create reverse.c

arrays/reverse-array/reverse.c

@@ -0,0 +1,39 @@
+
+// Iterative C program to reverse an array
+#include<stdio.h>
+
+/* Function to reverse arr[] from start to end*/
+void rvereseArray(int arr[], int start, int end)
+{
+    int temp;
+    while (start < end)
+    {
+        temp = arr[start];  
+        arr[start] = arr[end];
+        arr[end] = temp;
+        start++;
+        end--;
+    }  
+}    
+
+/* Utility that prints out an array on a line */
+void printArray(int arr[], int size)
+{
+  int i;
+  for (i=0; i < size; i++)
+    printf("%d ", arr[i]);
+
+  printf("\n");
+}
+
+/* Driver function to test above functions */
+int main()
+{
+    int arr[] = {1, 2, 3, 4, 5, 6};
+    int n = sizeof(arr) / sizeof(arr[0]);
+    printArray(arr, n);
+    rvereseArray(arr, 0, n-1);
+    printf("Reversed array is \n");
+    printArray(arr, n);   
+    return 0;
+}