题解 | #包含min函数的栈#
包含min函数的栈
https://www.nowcoder.com/practice/4c776177d2c04c2494f2555c9fcc1e49
const stack = [] function push(node) { // write code here let minNode = node if (stack.length !== 0) { minNode = min() < node ? min() : node } stack.push({ node, minNode }) } function pop() { // write code here return stack.pop().node } function top() { // write code here return stack[stack.length - 1].node } function min() { // write code here return stack[stack.length - 1].minNode } module.exports = { push : push, pop : pop, top : top, min : min };