题解 | #用两个栈实现队列#
用两个栈实现队列
https://www.nowcoder.com/practice/54275ddae22f475981afa2244dd448c6
let stack1 = [];
let stack2 = [];
function push(node) {
// write code here
stack1.push(node);
}
function pop() {
// write code here
if (stack2.length == 0) {
while (stack1.length != 0) {
stack2.push(stack1.pop());
}
}
return stack2.pop();
}
module.exports = {
push: push,
pop: pop
};
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