Given two binary strings, return their sum (also a binary string). For example, a = "11" b = "1" Return "100". """ def add_binary(a, b): s = "" c, i, j = 0, len(a)-1, len(b)-1 zero = ord('0') while (i >= 0 or j >= 0 or c == 1): if (i >= 0): c += ord(a[i]) - zero i -= 1 if (j >= 0): c += ord(b[j]) - zero j -= 1 s = chr(c % 2 + zero) + s c //= 2
Given two binary strings, return their sum (also a binary string). For example, a = "11" b = "1" Return "100". """ def add_binary(a, b): s = "" c, i, j = 0, len(a)-1, len(b)-1 zero = ord('0') while (i >= 0 or j >= 0 or c == 1): if (i >= 0): c += ord(a[i]) - zero i -= 1 if (j >= 0): c += ord(b[j]) - zero j -= 1 s = chr(c % 2 + zero) + s c //= 2
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
Given two binary strings,
return their sum (also a binary string).
For example,
a = "11"
b = "1"
Return "100".
"""
def add_binary(a, b):
s = ""
c, i, j = 0, len(a)-1, len(b)-1
zero = ord('0')
while (i >= 0 or j >= 0 or c == 1):
if (i >= 0):
c += ord(a[i]) - zero
i -= 1
if (j >= 0):
c += ord(b[j]) - zero
j -= 1
s = chr(c % 2 + zero) + s
c //= 2
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