package com.lsy.leetcodehot100;public class _Hot1_两数之和 {//自写方法public static int[] twoSum1(int[] nums, int target) {//定义存放返回变量的数组int[] arr = new int[2];//遍历整个数组for (int i = 0; i < nums.length; i++) {
力扣热题100之62: 先贴代码: class Solution {public int uniquePaths(int m, int n) {// 创建棋盘int[][] board = new int[m][n];// 将第0列的格子路径设为1for (int i = 0; i < m; i++) {board[i][0] = 1;}// 将第0行的格子路径设为1for (int