diff --git a/src/problem/mod.rs b/src/problem/mod.rs
index 5aff6ac..7a51020 100644
--- a/src/problem/mod.rs
+++ b/src/problem/mod.rs
@@ -173,4 +173,5 @@ mod p22_generate_parentheses;
 mod p79_word_search;
 mod p108_convert_sorted_array_to_binary_search_tree;
 mod p53_maximum_subarray;
-mod p918_maximum_sum_circular_subarray;
\ No newline at end of file
+mod p918_maximum_sum_circular_subarray;
+mod p35_search_insert_position;
\ No newline at end of file
diff --git a/src/problem/p35_search_insert_position.rs b/src/problem/p35_search_insert_position.rs
new file mode 100644
index 0000000..e1c007a
--- /dev/null
+++ b/src/problem/p35_search_insert_position.rs
@@ -0,0 +1,42 @@
+/**
+ * [35] Search Insert Position
+ */
+pub struct Solution {}
+
+
+// submission codes start here
+
+impl Solution {
+    pub fn search_insert(nums: Vec<i32>, target: i32) -> i32 {
+        let mut l = 0;
+        let mut r = nums.len() - 1;
+        let mut result = nums.len();
+
+        while l <= r {
+            let middle = (r - l) / 2 + l;
+
+            if target <= nums[middle] {
+                result = middle;
+                if middle == 0 {
+                    break;
+                }
+                r = middle - 1;
+            } else {
+                l = middle + 1;
+            }
+        }
+
+        result as i32
+    }
+}
+
+// submission codes end
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_35() {
+    }
+}