Implement lengthOfLastWord function in Solution class

Author: aryaman0406

Length of Last Word

@@ -0,0 +1,16 @@
+class Solution {
+public:
+    int lengthOfLastWord(string s) {
+        int length=0;
+        int i=s.length()-1;
+        while(i>=0 && s[i]==' '){
+            i--;
+        }
+        while(i>=0 && s[i]!=' '){
+            length ++;
+            i--;
+
+        }
+        return length;
+    }
+};