面试题30
示例:
MinStack minStack = new MinStack();
minStack.push(-2);
minStack.push(0);
minStack.push(-3);
minStack.min(); --> 返回 -3.
minStack.pop();
minStack.top(); --> 返回 0.
minStack.min(); --> 返回 -2.提示:
注意:本题与主站 155 题相同:https://leetcode-cn.com/problems/min-stack/
Solutions
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