Journal Archive

2022

/**
 * @param {string} s
 * @return {number}
 */
var lengthOfLastWord = function(s) {
    let count = 0;
    for (let i = s.length - 1; i >= 0; i--) {
        if (s[i] !== " ") {
            let j = i;
            while (j >= 0 && s[j] !== " ") {
                count++;
                j--;
            }
            break;
        }
    }
    return count;
};

Day 81: Solving one of LeetCode problems

58. Length of Last Word Difficulty - Easy

Given a string s consisting of words and spaces, return the length of the last word in the string.

A word is a maximal substring consisting of non-space characters only.

 

Example 1:

Input: s = "Hello World"
Output: 5
Explanation: The last word is "World" with length 5.

Example 2:

Input: s = "   fly me   to   the moon  "
Output: 4
Explanation: The last word is "moon" with length 4.

Example 3:

Input: s = "luffy is still joyboy"
Output: 6
Explanation: The last word is "joyboy" with length 6.