Update Length of last word.java

varunu28 · web-flow · commit e31c6a6ac1e0 · 2022-07-01T08:00:06.000-07:00
diff --git a/Easy/Length of last word.java b/Easy/Length of last word.java
@@ -1,14 +1,13 @@
 class Solution {
   public int lengthOfLastWord(String s) {
-    int count = 0;
     int idx = s.length() - 1;
     while (idx >= 0 && s.charAt(idx) == ' ') {
       idx--;
     }
+    int currIdx = idx;
     while (idx >= 0 && s.charAt(idx) != ' ') {
       idx--;
-      count++;
     }
-    return count;
+    return currIdx - idx;
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -1,14 +1,13 @@`
`1`	`1`	`class Solution {`
`2`	`2`	`public int lengthOfLastWord(String s) {`
`3`		`- int count = 0;`
`4`	`3`	`int idx = s.length() - 1;`
`5`	`4`	`while (idx >= 0 && s.charAt(idx) == ' ') {`
`6`	`5`	`idx--;`
`7`	`6`	`}`
	`7`	`+ int currIdx = idx;`
`8`	`8`	`while (idx >= 0 && s.charAt(idx) != ' ') {`
`9`	`9`	`idx--;`
`10`		`- count++;`
`11`	`10`	`}`
`12`		`- return count;`
	`11`	`+ return currIdx - idx;`
`13`	`12`	`}`
`14`	`13`	`}`