word-spacing设置字与字之间的间距，letter-spacing设置字母与字母之间的间距
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在css中，有几个相似的属性：word-spacing、word-break、letter-spacing和white-space。▍word-spacing增加或减少单词间的空白（即字间隔）。允许指定负长度值，这会让字之间挤得更紧。示例：p { word-spacing: 25px | -20px | normal | inherit;}▍word-bre...
在css中，有几个相似的属性：word-spacing、word-break、letter-spacing和white-space。▍word-spacing增加或减少单词间的空白（即字间隔）。允许指定负长度值，这会让字之间挤得更紧。示例：p { word-spacing: 25px | -20px | normal | inherit;}▍word-bre...
Design a stack that supports push, pop, top, and retrieving the minimum element in constant time.push(x) -- Push element x onto stack.pop() -- Removes...
Link: https://leetcode.com/problems/min-stack/ Constraint: Idea We could use two stacks, one responsible for regular stack operations; the other one r ...
Design a stack that supports push, pop, top, and retrieving the minimum element in constant time.push(x) -- Push element x onto stack.pop() -- Removes...
Min StackDesign a stack that supports push, pop, top, and retrieving the minimum element in constant time.push(x) -- Push element x onto stack.pop() -...
题目如下：Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. push(x) -- Push element x onto stack. pop() -- Removes the element on top of the stack. top() --
