programming-examples/python/Misc/Python program to find the single number in a list that doesn't occur twice.py
2019-11-15 12:59:38 +01:00

11 lines
233 B
Python

def single_number(arr):
result = 0
for i in arr:
result ^= i
return result
arr1 = [5, 3, 4, 3, 4]
arr2 = [3, 2, 5, 2, 1, 5, 3]
print(single_number(arr1))
print(single_number(arr2))