Depth of binary tree

Signed-off-by: begeekmyfriend <begeekmyfriend@gmail.com>

Author: begeekmyfriend

104_maximum_depth_of_binary_tree/Makefile

@@ -0,0 +1,2 @@
+all:
+	gcc -O2 -o test bst_depth.c

104_maximum_depth_of_binary_tree/bst_depth.c

@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+struct TreeNode {
+    int val;
+    struct TreeNode *left;
+    struct TreeNode *right;
+};
+
+static int maxDepth(struct TreeNode* root)
+{
+    if (root == NULL) {
+        return 0;
+    }
+    int l = maxDepth(root->left) + 1;
+    int r = maxDepth(root->right) + 1;
+    return l > r ? l : r;
+}
+
+int main(void)
+{
+    printf("%d\n", maxDepth(NULL));
+    return 0;
+}

111_minimum_depth_of_binary_tree/Makefile

@@ -0,0 +1,2 @@
+all:
+	gcc -O2 -o test bst_depth.c

111_minimum_depth_of_binary_tree/bst_depth.c

@@ -0,0 +1,32 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+struct TreeNode {
+    int val;
+    struct TreeNode *left;
+    struct TreeNode *right;
+};
+
+static int minDepth(struct TreeNode* root)
+{
+    if (root == NULL) {
+        return 0;
+    }
+
+    int l = minDepth(root->left) + 1;
+    int r = minDepth(root->right) + 1;
+    return l < r ? (l > 1 ? l : r) : (r > 1 ? r : l);
+}
+
+int main(void)
+{
+    struct TreeNode root, n1;
+    root.val = 1;
+    n1.val = 2;
+    root.left = &n1;
+    root.right = NULL;
+    n1.left = NULL;
+    n1.right = NULL;
+    printf("%d\n", minDepth(&root));
+    return 0;
+}