How to Solve Different Ways to Add Parentheses Problem
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Different Ways to Add Parentheses
Given a string expression of numbers and operators, return all possible results from computing all the different possible ways to group numbers and operators. You may return the answer in any order. T...
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Understanding the Different Ways to Add Parentheses Problem
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Problem Statement
Given a string expression of numbers and operators, return all possible results from computing all the different possible ways to group numbers and operators. You may return the answer in any order. The test cases are generated such that the output values fit in a 32-bit integer and the number of different results does not exceed 104.
Different Ways to Add Parentheses
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Examples
expression = "2-1-1"[0,2]((2-1)-1) = 0 (2-(1-1)) = 2
expression = "2*3-4*5"[-34,-14,-10,-10,10](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
Constraints
1 <= expression.length <= 20expression consists of digits and the operator '+', '-', and '*'.All the integer values in the input expression are in the range [0, 99].The integer values in the input expression do not have a leading '-' or '+' denoting the sign.How Interview Coder Helps with Leetcode Problems
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