Easy
Create Target Array in the Given Order — Python
Full explanation · Time O(n^2) · Space O(1)
# Time: O(n^2)
# Space: O(1)
class Solution(object):
def createTargetArray(self, nums, index):
"""
:type nums: List[int]
:type index: List[int]
:rtype: List[int]
"""
for i in xrange(len(nums)):
for j in xrange(i):
if index[j] >= index[i]:
index[j] += 1
result = [0]*(len(nums))
for i in xrange(len(nums)):
result[index[i]] = nums[i]
return result
# Time: O(n^2)
# Space: O(1)
import itertools
class Solution2(object):
def createTargetArray(self, nums, index):
"""
:type nums: List[int]
:type index: List[int]
:rtype: List[int]
"""
result = []
for i, x in itertools.izip(index, nums):
result.insert(i, x)
return result