s0035

src/s0035_search_insert_position.cpp

@@ -0,0 +1,33 @@
+#include "s0035_search_insert_position.hpp"
+
+int Solution::searchInsert(vector<int>& nums, int target) {
+  int size = nums.size();
+  if (size == 0) {
+    return 0;
+  }
+  int left{0};
+  int right = size - 1;
+  int mid;
+  while (left <= right) {
+    mid = static_cast<int>(floor((left + right) / 2));
+    if (nums[mid] == target) {
+      return mid;
+    } else if (nums[mid] > target) {
+      right = mid - 1;
+    } else {
+      left = mid + 1;
+    }
+  }
+  if (right < 0) {
+    return 0;
+  } else if (left > size - 1) {
+    return size;
+  }
+  if (target < nums[right]) {
+    return right;
+  } else if (target > nums[left]) {
+    return left + 1;
+  } else {
+    return left;
+  }
+}