diff --git a/jump-game/evan.py b/jump-game/evan.py
new file mode 100644
index 000000000..40aa272c2
--- /dev/null
+++ b/jump-game/evan.py
@@ -0,0 +1,13 @@
+def canJump(nums):
+    n = len(nums)
+    dp = [False] * n
+    dp[0] = True
+
+    for i in range(n):
+        if dp[i]:
+            maxJump = min(i + nums[i], n - 1)
+            
+            for j in range(i + 1, maxJump + 1):
+                dp[j] = True
+
+    return dp[n - 1]
diff --git a/longest-common-subsequence/evan.py b/longest-common-subsequence/evan.py
new file mode 100644
index 000000000..1b2ea7ce5
--- /dev/null
+++ b/longest-common-subsequence/evan.py
@@ -0,0 +1,18 @@
+class Solution:
+    def longestCommonSubsequence(self, text1, text2):
+        text1_length, text2_length = len(text1), len(text2)
+        # dp[i][j]는 text1의 처음 i 글자와 text2의 처음 j 글자의 LCS 길이를 의미합니다.
+        dp = [[0] * (text2_length + 1) for _ in range(text1_length + 1)]
+
+        for text1_char in range(1, text1_length + 1):
+            for text2_char in range(1, text2_length + 1):
+                if text1[text1_char - 1] == text2[text2_char - 1]:
+                    # 두 문자가 같으면 그 이전까지의 LCS 길이에 1을 더한 값으로 현재 위치를 갱신합니다.
+                    dp[text1_char][text2_char] = dp[text1_char - 1][text2_char - 1] + 1
+                else:
+                    # 두 문자가 다르면 이전까지의 최대 LCS 길이 중 더 큰 값을 현재 위치에 저장합니다.
+                    dp[text1_char][text2_char] = max(
+                        dp[text1_char - 1][text2_char], dp[text1_char][text2_char - 1]
+                    )
+
+        return dp[text1_length][text2_length]
diff --git a/longest-increasing-subsequence/evan.py b/longest-increasing-subsequence/evan.py
new file mode 100644
index 000000000..abea073e0
--- /dev/null
+++ b/longest-increasing-subsequence/evan.py
@@ -0,0 +1,19 @@
+import bisect
+from typing import List
+
+
+class Solution:
+    def lengthOfLIS(self, nums: List[int]) -> int:
+        lis = []
+
+        for num in nums:
+            # num이 왼쪽에 삽입될 수 있는 위치
+            position = bisect.bisect_left(lis, num)
+
+            # num이 lis에 있는 모든 요소 보다 크다
+            if position == len(lis):
+                lis.append(num)
+            else:
+                lis[position] = num
+
+        return len(lis)
diff --git a/maximum-subarray/evan.py b/maximum-subarray/evan.py
new file mode 100644
index 000000000..f60fc07fe
--- /dev/null
+++ b/maximum-subarray/evan.py
@@ -0,0 +1,13 @@
+from typing import List
+
+
+class Solution:
+    def maxSubArray(self, nums: List[int]) -> int:
+        global_max_sum = nums[0]
+        local_max_sum = nums[0]
+        
+        for num in nums[1:]:
+            local_max_sum = max(num, local_max_sum + num)
+            global_max_sum = max(global_max_sum, local_max_sum)
+
+        return global_max_sum
diff --git a/unique-paths/evan.py b/unique-paths/evan.py
new file mode 100644
index 000000000..a41adb0ac
--- /dev/null
+++ b/unique-paths/evan.py
@@ -0,0 +1,10 @@
+class Solution:
+    def uniquePaths(self, m: int, n: int) -> int:
+        dp = [[1] * n for _ in range(m)]
+
+        # Iterate over the grid starting from 1,1 to fill the number of unique paths for each cell
+        for i in range(1, m):
+            for j in range(1, n):
+                dp[i][j] = dp[i - 1][j] + dp[i][j - 1]
+
+        return dp[m - 1][n - 1]