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Evaluate the value of an arithmetic expression in Reverse Polish Notation.
Valid operators are +, -, *, /. Each operand may be an integer or another expression.
Note:
Division between two int…
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Evaluate the value of an arithmetic expression in Reverse Polish Notation.
Valid operators are +, -, *, /. Each operand may be an integer or another expression.
Some examples:
["2", "1", "+", "3",…
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![image](https://user-images.githubusercontent.com/32625059/66446448-2b503880-ea7d-11e9-9c8a-f99f1f12acca.png)
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https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0150.Evaluate-Reverse-Polish-Notation/
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This bug could be issued already, but the compiler told me to file a new issue, so I will :)
I translated the RPN calculator from [learnyouahaskell](http://learnyouahaskell.com/functionally-solving…
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A report by @awefhio originally posted at leanprover-community/lean4game#232.
> I got stuck on Level 5 / 7 : Rewriting on the final world (World: Redux: ↔ World Tactics).
>
> ![image](https://gi…
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```
class LinkedListNode:
def __init__(self, data):
self.data = data
self.next = None
class Stack:
def __init__(self):
self.num_elements = 0
self.…
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[150. Evaluate Reverse Polish Notation](https://leetcode.com/problems/evaluate-reverse-polish-notation/)
[91. Decode Ways](https://leetcode.com/problems/decode-ways/)
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CakeML currently supports standard s-expression syntax via theories in HOL examples plus our `compiler/parsing/fromSexpTheory`. It might be nice to also support s-expressions with an even simpler synt…
xrchz updated
6 years ago
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### Is your feature request related to a problem?
One of the challenges we face in our enterprise scenarios is signing and verifying numerous artifacts from various container registries. This can bec…