58-length-of-last-word

DevGod

Vtuber

Caution

DevGod needs to write an editorial for this problem!

c

int lengthOfLastWord(char* s) {
    int leng = strlen(s)-1;
    int I = leng;
    int score = 0;

    while(I>=0){
        if(s[I] != ' '){
            score += 1;
        }else{
            if(score > 0){
                return score;
            }
        }
        I+=-1;
    }

    return score;
}

java

class Solution {
    public int lengthOfLastWord(final String mySTR) {
        //Reverse String
        StringBuilder sb = new StringBuilder();
        int I=mySTR.length()-1;
        while(I>=0){
          sb.append(mySTR.charAt(I));
          I+=-1;
        }
        String newSTR = sb.toString();

        //Count Last Word
        int counter = 0;
        boolean letter = false;
        for(char a: newSTR.toCharArray()){
          if(a != ' '){letter=true; counter++;}
          else if(letter){break;}
        }

        return counter;
    }
}

js

/**
 * @param {string} s
 * @return {number}
 */
var lengthOfLastWord = function(s) {
    return s.trim().split(" ")[s.trim().split(" ").length-1].length;
};