ceth-x86 · January 9, 2021 05:00 · Jan 9, 2021
diff --git a/another_cpp b/another_cpp
@@ -0,0 +1,12 @@
+class Solution {
+public:
+    int lengthOfLastWord(string s) {
+        int len = 0, tail = s.length() - 1;
+        while (tail >= 0 && s[tail] == ' ') tail--;
+        while (tail >= 0 && s[tail] != ' ') {
+            len++;
+            tail--;
+        }
+        return len;
+    }
+};
diff --git a/cpp b/cpp
@@ -0,0 +1,22 @@
+class Solution {
+public:
+    int lengthOfLastWord(string s) {
+        int result = 0; int prev = 0;
+        for (size_t i = 0; i < s.size(); i++) {
+            if (s[i] != ' ') {
+                result += 1;
+            } else {
+                if (result != 0) {
+                    prev = result;
+                }   
+                result = 0;
+            }                
+        }
+
+        if (result != 0) {
+            return result;
+        } else {
+            return prev;
+        }
+    }
+};
diff --git a/py b/py
@@ -0,0 +1,13 @@
+class Solution:
+    def lengthOfLastWord(self, s: str) -> int:
+        result = 0; prev = 0
+        for ch in s:
+            if ch != ' ':
+                result += 1
+            else:
+                if result != 0:
+                    prev = result
+                result = 0
+
+        return result if result != 0 else prev  
+
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