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155. Min Stack #66
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155. Min Stack #66
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@zwfang
zwfang
added
Easy
Coefficient of difficulty easy
stack
LIFO, a stack is an abstract data type that serves as a collection of elements (push, pop)
labels
Jan 10, 2019
Codecov Report
@@ Coverage Diff @@ ## master #66 +/- ## ========================================= + Coverage 99.29% 99.3% +0.01% ========================================= Files 107 108 +1 Lines 1830 1850 +20 ========================================= + Hits 1817 1837 +20 Misses 9 9 Partials 4 4
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https://leetcode.com/problems/min-stack/
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() -- Get the top element.
getMin() -- Retrieve the minimum element in the stack.