Leetcode-371. sum of two integers

Question:

Calculate the sum of two integers A and B, but you are not allowed to use the operator + and -.

Solution:

Use the Calculator

Code:

Class solution: def getsum (self, num1, num2): If (num2 = 0): Return num1 sum = num1 ^ num2 carry = (num1 & num2) <1 return self. getsum (sum, carry)

Result:

Python local run: Through

Run code run: Pass, run time 32 Ms

Submit result: if it fails, the message "exceeds the memory limit" is reported"

Leetcode-371. sum of two integers