fix: Added C code for Median of Two Sorted Arrays #286

MedianOfTwoSortedArrays.c

@@ -0,0 +1,62 @@
+#include <stdio.h>
+#include <limits.h>
+#include <math.h>
+
+double findMedianSortedArrays(int *nums1, int nums1Size, int *nums2, int nums2Size)
+{
+    if (nums1Size > nums2Size)
+    {
+        return findMedianSortedArrays(nums2, nums2Size, nums1, nums1Size);
+    }
+
+    int low = 0, high = nums1Size;
+    int halfLen = (nums1Size + nums2Size + 1) / 2;
+
+    while (low <= high)
+    {
+        int partitionX = (low + high) / 2;
+        int partitionY = halfLen - partitionX;
+
+        int maxX = (partitionX == 0) ? INT_MIN : nums1[partitionX - 1];
+        int minX = (partitionX == nums1Size) ? INT_MAX : nums1[partitionX];
+        int maxY = (partitionY == 0) ? INT_MIN : nums2[partitionY - 1];
+        int minY = (partitionY == nums2Size) ? INT_MAX : nums2[partitionY];
+
+        if (maxX <= minY && maxY <= minX)
+        {
+            if ((nums1Size + nums2Size) % 2 == 0)
+            {
+                return (double)(fmax(maxX, maxY) + fmin(minX, minY)) / 2.0;
+            }
+            else
+            {
+                return (double)fmax(maxX, maxY);
+            }
+        }
+        else if (maxX > minY)
+        {
+            high = partitionX - 1;
+        }
+        else
+        {
+            low = partitionX + 1;
+        }
+    }
+
+    // This should not happen if input arrays are sorted correctly.
+    return 0.0;
+}
+
+int main()
+{
+    int nums1[] = {1, 3};
+    int nums2[] = {2};
+    int nums1Size = sizeof(nums1) / sizeof(nums1[0]);
+    int nums2Size = sizeof(nums2) / sizeof(nums2[0]);
+
+    double median = findMedianSortedArrays(nums1, nums1Size, nums2, nums2Size);
+
+    printf("Median: %lf\n", median);
+
+    return 0;
+}