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LeetCode : 763. Partition Labels(11/29:update)
1回目function partitionLabels(s: string): number[] { let list: Map<string, { start: number, last: number }> = new Map<string, { start: number, last: number }>(); const len: number = s.length; f
もっとみるLeetCode : Market Analysis I
1回目# Write your MySQL query statement belowselect u.user_id as buyer_id,u.join_date as join_date,count(o.buyer_id) as orders_in_2019from Users as uleft join Orders as o on o.buyer_id = u.user_id
もっとみるLeetCode : Length of Last Word
1回目function lengthOfLastWord(s: string): number { const x: string[] = s.split(" "); const y: string[] = x.filter(z => z !== ""); return y[y.length - 1].length;};
マイベスト。66ms。
Input: s = " fl
LeetCode : Final Value of Variable After Performing Operations
1回目function finalValueAfterOperations(operations: string[]): number { let x: number = 0; operations.forEach((op: string) => { if (op === "X++" || op === "++X") { x += 1;
もっとみるLeetCode : Build Array from Permutation
1回目function buildArray(nums: number[]): number[] { let result: number[] = []; for (let i: number = 0; i < nums.length; i++) { result[i] = nums[nums[i]]; } return result;};
問題文をそのままコードにし
LeetCode : Tow Sum
1回目function twoSum(nums: number[], target: number): number[] { let ret: number[] = []; nums.forEach((x: number, i: number) => { nums.forEach((y: number, j: number) => { if (j =
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