| Trick | Difficulty | |
|---|---|---|
| LC 1096. Brace Expansion II | Calculator + Customized Operations | 6 points |
| LC 1106. Parsing A Boolean Expression | Calculator + Customized Operations | 6 points |
| LC 726. Number of Atoms | Calculator + Customized Operations | 6 points |
| LC 772. Basic Calculator III | Calculator | 6 points |
| LC 385. Mini Parser | Iterator | 5-6 points |
Category: Stack
Calculator
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Summary There are a number of questions in the form that given a string, evaluate the value of it. These questions can be all solved by the routine Infix Notation to Reverse Polish Notation and Evaluate Reverse Polish Notation.