加载中...
import java.util.Stack; public class Solution { Stack<Integer> stack1 = new Stack<Integer>(); Stack<Integer> stack2 = new Stack<Integer>(); public void push(int node) { } public int pop() { } }
class Solution { public: void push(int node) { } int pop() { } private: stack<int> stack1; stack<int> stack2; };
# -*- coding:utf-8 -*- class Solution: def __init__(self): self.stack1 = [] self.stack2 = [] def push(self, node): # write code here def pop(self): # return xx
class Solution { public void push(int node) { } public int pop() { } }
function push(node) { // write code here } function pop() { // write code here } module.exports = { push : push, pop : pop };
<?php function mypush($node) { // write code here } function mypop() { // write code here }
# -*- coding:utf-8 -*- class Solution: def __init__(self): self.stack1 = [] self.stack2 = [] def push(self, node): # write code here def pop(self): # return xx
package main var stack1 [] int var stack2 [] int func Push(node int) { } func Pop() int{ }
["PSH1","PSH2","POP","POP"]
1,2
["PSH2","POP","PSH1","POP"]
2,1