Finish 10 this week

src/Main.kt

@@ -1,4 +1,4 @@
 fun main() {
-    val t = Test226()
+    val t = Test35()
     t.test()
 }

src/Test101.kt

@@ -9,11 +9,23 @@ class Test101 {
                 return true
             }
 
-            var pl = root.left
-            var pr = root.right
+            return isSame(root.left,root.right)
+        }
 
 
+        fun isSame(l: TreeNode?,r:TreeNode?):Boolean{
+            if ((l==null && r!=null) || (r==null && l!=null)){
+                return false
+            }
+            if (l==null && r==null){
+                return true
+            }
 
+            if (l!!.`val`!=r!!.`val`){
+                return false
+            }
+
+            return isSame(l.left,r.right) && isSame(l.right,r.left)
 
         }
     }

src/Test35.kt

@@ -0,0 +1,49 @@
+class Test35 {
+    class Solution {
+        fun searchInsert(nums: IntArray, target: Int): Int {
+            if (nums.isEmpty()){
+                return 0
+            }
+            return binSearch(nums,0,nums.size,target)
+        }
+
+        fun binSearch(nums: IntArray,low:Int,high:Int,target: Int):Int{
+            if (low+1==high){
+                if (target<=nums[low]){
+                    return low
+                }
+                return high
+            }
+
+            if (target < nums[(low+high)/2]){
+                return binSearch(nums,low,(low+high)/2,target)
+            }else if (target > nums[(low+high)/2]){
+                return binSearch(nums,(low+high)/2,high,target)
+            }
+            return (low+high)/2
+        }
+    }
+
+
+    fun test() {
+        val solution = Solution()
+
+        val testCases = arrayOf(
+            Pair(intArrayOf(1, 3, 5, 6), 5) to 2,
+            Pair(intArrayOf(1, 3, 5, 6), 2) to 1,
+            Pair(intArrayOf(1, 3, 5, 6), 7) to 4,
+            Pair(intArrayOf(1, 3, 5, 6), 0) to 0,
+            Pair(intArrayOf(1), 1) to 0,
+            Pair(intArrayOf(), 1) to 0
+        )
+
+        for ((input, expected) in testCases) {
+            val (nums, target) = input
+            val result = solution.searchInsert(nums, target)
+            println("Input: nums=${nums.contentToString()}, target=$target, Output: $result, Expected: $expected")
+            assert(result == expected) { "Test failed for input nums=${nums.contentToString()}, target=$target" }
+        }
+
+        println("All tests passed!")
+    }
+}