Python/bit_manipulation/missing_number.py
Shreya Bhalgat cfabd91a8b
Add missing number algorithm (#9203)
* Added missing_number algorithm using bit manipulation

* Update bit_manipulation/missing_number.py

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Co-authored-by: Christian Clauss <cclauss@me.com>
2023-10-01 13:28:20 +02:00

22 lines
416 B
Python

def find_missing_number(nums: list[int]) -> int:
"""
Finds the missing number in a list of consecutive integers.
Args:
nums: A list of integers.
Returns:
The missing number.
Example:
>>> find_missing_number([0, 1, 3, 4])
2
"""
n = len(nums)
missing_number = n
for i in range(n):
missing_number ^= i ^ nums[i]
return missing_number