摘要： exercise 1.组合总数 package org.example.api.test.exercise; import java.util.*; public class zuhezongshu { //例: canditates[2,3,5,7] target=7 //output:[[7], 阅读全文

摘要： 1.迷宫 public class Point { int x; int y; public Point(int x, int y) { this.x = x; this.y = y; } }public class keda2 { List<Point> temp =new LinkedList< 阅读全文