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title: 最小栈 date: 2019-08-21T11:00:41+08:00 draft: false categories: leetcode
题目
示例:
MinStack minStack = new MinStack();
minStack.push(-2);
minStack.push(0);
minStack.push(-3);
minStack.getMin(); --> 返回 -3.
minStack.pop();
minStack.top(); --> 返回 0.
minStack.getMin(); --> 返回 -2.解题思路
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