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中文文档

Description

Given a string of numbers and operators, return all possible results from computing all the different possible ways to group numbers and operators. The valid operators are +, - and *.

Example 1:

Input: "2-1-1"

Output: [0, 2]

Explanation: 

((2-1)-1) = 0 

(2-(1-1)) = 2

Example 2:

Input: "2*3-4*5"

Output: [-34, -14, -10, -10, 10]

Explanation: 

(2*(3-(4*5))) = -34 

((2*3)-(4*5)) = -14 

((2*(3-4))*5) = -10 

(2*((3-4)*5)) = -10 

(((2*3)-4)*5) = 10

Solutions

Python3

Java

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