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



