목록772. Basic Calculator III (1)

Scribbling

LeetCode: 772. Basic Calculator III

class Solution: def calculate(self, s: str) -> int: # ' ' is intentionally added, # to mark the end of the given string s # encountering ' ' will add the last number to the stack self.s = s + ' ' self.ptr = 0 return self.calc() def calc(self): num, stack, sign = 0, [], '+' while self.ptr < len(self.s): c = self.s[self.ptr] # if met with '(', # get the evaluated number by recursion if c == '(': s..
Computer Science/Coding Test 2022. 3. 11. 16:30
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