from typing import List
from test_script import speedtest
from collections import Counter
class Solution:
def findDuplicate(self, nums: List[int]) -> int:
return Counter(nums).most_common(1)[0][0]
def findDuplicate_fast(self, nums: List[int]) -> int:
s = set()
for num in nums:
if num in s:
return num
s.add(num)
return -1
import bisect
nums = list(range(100000))
bisect.insort_right(nums, 10000)
speedtest((Solution().findDuplicate, Solution().findDuplicate_fast), [nums])
minLen = 2 ** 31 - 1
# 当窗口越界，结束循环
while windowEnd < len(s):
# 首先是挪动窗口的尾部
if s[windowEnd] in t: # 只需要管t中的那几个字符
nowCounter[s[windowEnd]] += 1 # nowCounter记录（由于是右开区间所以要先修订nowCounter）
if nowCounter[s[windowEnd]] == targetCounter[s[windowEnd]]: # 检查这个字符有没有达到t中的出现频率
valid += 1 # 这个字符达到了，此时[windowStart, windowEnd+1)是满足题意的
windowEnd += 1 # 由于是右开区间，所以要++
# 然后是挪动窗口的首部
while valid == len(targetCounter): # 当前状态一直满足题目要求时，收缩首部
# 记录答案
if windowEnd - windowStart < minLen:
minLen = windowEnd - windowStart
minStr = s[windowStart:windowEnd]
# 和上面的逻辑类似，不过因为左闭区间，所以后修订nowCounter
if s[windowStart] in t:
if nowCounter[s[windowStart]] == targetCounter[s[windowStart]]: # 如果删掉该字符，valid会受到影响
valid -= 1
nowCounter[s[windowStart]] -= 1
windowStart += 1
return minStr
speedtest((Solution().minWindow_violent, Solution().minWindow, Solution().minWindow_noCounter), (
"sshcxyfgecymhhpmjrfjlmiwkaunetxwleajdfrjhrxrymdkdltoxbmjdhwhatfoafzfkqquhnlhcqrfdmwdnkmtrlaueiignjlazdwirhrtzladxygnjugcfiymqgsgpggqjcaclsxmdarcyzpjuxobimnytigkqodzsdedxbscblfclwlhuzkcmychiltyzwzscdxbhpekdlmojaxdbhhphmwpxsnwqposumwbdcognawycvcefltmxqcukrraihtdvrgztuhivggxbkdgwxvtpxozqhzzoueklklgfuocaxbehfkdehztepsxwtymocybojiveyzexbkfixkmelhjabiyuinkmloavywbyvhwysbipnwtzdebgocbwpniadjxbhyaegwdaznpokkppptwdvzckokksvkteivjqtoqubfjnqadhtzmoaoaobngwxabfxmwramlduurmxutqvfhvwhjxusttuwzrixikluqfqhtndmeaulvsugprakkuhjmriueuqubhdvwgjagfndxklmbmzlgixuzhpfbhzfqccnknnqtdvsphhqvgdboaypipvlwwsnzualipebuz",
"tjiazd"))
# print(Solution().minWindow_violent(*args))
# print(Solution().minWindow(*args))
# print(Solution().minWindow_noCounter(*args))
1] in wordDictCharsSet: # 得到i, j后判断是否在Set之中，如果是则入栈，接着判断下面的
stack += [(i, j)]
i = j + 1
return False
def wordBreak(self, s: str, wordDict: List[str]) -> bool:
dp = [True] + [False] * len(s)
wordDict = set(wordDict)
for i in range(len(s) + 1):
for j in range(i):
if dp[j] and s[j:i] in wordDict:
dp[i] = True
return dp[len(s)]
speedtest((Solution().wordBreak, Solution().wordBreak_slow),
("leetcode", ["leet", "code"]))
speedtest((Solution().wordBreak, Solution().wordBreak_slow),
("applepenapple", ["apple", "pen"]))
speedtest((Solution().wordBreak, Solution().wordBreak_slow),
("catsandog", ["cats", "dog", "sand", "and", "cat"]))
speedtest((Solution().wordBreak, Solution().wordBreak_slow),
("goalspecial", ["go", "goal", "goals", "special"]))
speedtest((Solution().wordBreak, Solution().wordBreak_slow), (
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab",
[
"a", "aa", "aaa", "aaaa", "aaaaa", "aaaaaa", "aaaaaaa", "aaaaaaaa",
"aaaaaaaaa", "aaaaaaaaaa"
]))
speedtest((Solution().wordBreak, Solution().wordBreak_slow), (
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabaabaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
[
class Solution:
def findBestValue(self, arr: List[int], target: int) -> int:
if not arr:
return 0
arr.sort()
sum = 0 # 保存arr[0,i)的和
i = 0
while i < len(arr): # 用for会错过i==len(arr)的情况
if sum + (len(arr) - i) * arr[i] > target: # 如果把arr[i...]全变成arr[i]的和，大于target就结束
break
sum += arr[i]
i += 1
if i == len(arr): # 如果target太大了，返回最后一个数字
return arr[-1]
if i == 0: # 如果target太小了，所有数字都要变化。计算范围
potentialResultRange = target // len(arr), target // len(arr) + 1
else: # 在arr[i-1]到arr[i]中都有可能
potentialResultRange = [arr[i - 1], arr[i]]
minDistance = 2 ** 31 - 1 # 与target最小差
result = arr[-1]
for potentialResult in range(potentialResultRange[0], potentialResultRange[1] + 1): # arr[i-1]到arr[i]中挨个试一遍
if abs((sum + (len(arr) - i) * potentialResult) - target) < minDistance: # 刷新最好的结果
minDistance = abs(sum + (len(arr) - i) * potentialResult - target)
result = potentialResult
return result
speedtest([Solution().findBestValue, lambda x, y: 3], ([4, 9, 3], 10))
speedtest([Solution().findBestValue, lambda x, y: 5], ([2, 3, 5], 10))
speedtest([Solution().findBestValue, lambda x, y: 11361], ([60864, 25176, 27249, 21296, 20204], 56803))
vaildSet.add((tpl[0], end))
else:
superSet = [
tpl for tpl in vaildSet if tpl[0] < begin and tpl[1] > end
]
if not superSet:
vaildSet.add((begin, end))
stackIndex = []
vaildSet = set()
for i, ch in enumerate(s):
if ch == '(':
stackIndex.append(i)
elif ch == ')':
if not stackIndex:
continue
begin = stackIndex.pop()
end = i + 1
appendAndMerge(begin, end)
vaildLength = [end - begin for begin, end in vaildSet]
return max(vaildLength + [0])
speedtest((Solution().longestValidParentheses, lambda x: 0), ["("])
speedtest((Solution().longestValidParentheses, lambda x: 2), ["()(()"])
speedtest((Solution().longestValidParentheses, lambda x: 6), ["()(())"])
speedtest((Solution().longestValidParentheses, lambda x: 8), ["((()))())"])
speedtest((Solution().longestValidParentheses, lambda x: 128), [
"))()())))(()()()()((()()(())))()()()()))()())))(()()()()((()()(())))())))()(())))()())))(()()()()((()()(())))()()()()(())))((()()))()()()()(())))((())()))()())))(()()()()((()()(())))()(())))()(())))()())))(()()()()((()()(())))()()()()(())))((()()))()()()()(())))((())()))()())))(()()()()((()()(())))()()()()(())))(()()()()(())))(()(()()()()(())))(((())))(())))()(())))()())))(()()()()((()()(())))()()()()(())))((()()))()()()()(())))((())()))()())))(()()()()((()()(())))()()()()(())))(()((())))()(())))()())))(()()()()((()()(())))()()()()(())))((()()))()()()()(())))((())()))()())))(()()()()((()()(())))()()()()(())))(()((((())(()())(()()()()((()()()(()()())()())))(()())()())))(()()()()((()()(())))()()()()(())))(()()()((()()(())))()()()()(())))(()((())))()()()()(())))(((((()))()())()()())()("
])
sets[adjNodeIdx].add(adjNode)
return True
def isBipartite(self, graph: List[List[int]]) -> bool:
color = defaultdict(int)
for node, adjNodes in enumerate(graph):
if color[node] == 0:
color[node] = 1
for adjNode in adjNodes:
if color[adjNode] == color[node]:
return False
color[adjNode] = 1 if color[node] == 2 else 2
return True
speedtest([Solution().isBipartite, lambda x: True],
[[[1, 3], [0, 2], [1, 3], [0, 2]]])
speedtest([Solution().isBipartite, lambda x: False],
[[[1, 2, 3], [0, 2], [0, 1, 3], [0, 2]]])
speedtest([Solution().isBipartite, lambda x: True],
[[[4], [], [4], [], [0, 2, 3]]])
speedtest([Solution().isBipartite, lambda x: True],
[[[1], [0], [4], [4], [2, 3]]])
speedtest([Solution().isBipartite, lambda x: True],
[[[1], [0, 3], [3], [1, 2]]])
speedtest(
[Solution().isBipartite, lambda x: False],
[[[2, 4], [2, 3, 4], [0, 1], [1], [0, 1], [7], [9], [5], [], [6], [12, 14],
[], [10], [], [10], [19], [18], [], [16], [15], [23], [23], [], [20, 21],
[], [], [27], [26], [], [], [34], [33, 34], [], [31], [30, 31], [38, 39],
[37, 38, 39], [36], [35, 36], [35, 36], [43], [], [], [40], [], [49],
[47, 48, 49], [46, 48, 49], [46, 47, 49], [45, 46, 47, 48]]])
indexBegin += 1
indexEnd -= 1
return True
def isSymmetric_fast(self, root: TreeNode) -> bool:
def equals(node1: TreeNode, node2: TreeNode):
if not node1 and not node2:
return True
elif (node1 and node2) is None:
return False
return node1.val == node2.val and equals(
node1.left, node2.right) and equals(node1.right, node2.left)
if not root:
return True
return equals(root.left, root.right)
speedtest([Solution().isSymmetric,
Solution().isSymmetric_fast], [
TreeUtil.createTreeByPreInOrder(
[1, 2, 4, 6, 5, 7, 9, 10, 8, 3, 5, 8, 7, 9, 10, 4, 6],
[4, 6, 2, 7, 10, 9, 5, 8, 1, 8, 5, 9, 10, 7, 3, 6, 4])
])
speedtest([Solution().isSymmetric,
Solution().isSymmetric_fast], [
TreeUtil.createTreeByPreInOrder(
[1, 2, 4, 6, 5, 7, 9, 10, 8, 2, 5, 8, 7, 9, 10, 4, 6],
[4, 6, 2, 7, 10, 9, 5, 8, 1, 8, 5, 9, 10, 7, 2, 6, 4])
])
array = np.zeros(limit抽到点数为止Exclusive + max卡牌点数)
array[limit抽到点数为止Exclusive:limit爆点Inclusive + 1] = 1
sums = array[limit抽到点数为止Exclusive + 1:limit抽到点数为止Exclusive +
max卡牌点数].sum()
for i in range(limit抽到点数为止Exclusive - 1, -1, -1):
array[i] = array[i + 1:i + max卡牌点数 + 1].sum() / max卡牌点数
return array[0]
def new21Game(self, N: int, K: int, W: int) -> float:
limit爆点Inclusive, limit抽到点数为止Exclusive, max卡牌点数 = N, K, W
array = np.zeros(limit抽到点数为止Exclusive + max卡牌点数)
array[limit抽到点数为止Exclusive:limit爆点Inclusive + 1] = 1
sums = array[limit抽到点数为止Exclusive + 1:limit抽到点数为止Exclusive +
max卡牌点数].sum()
for i in range(limit抽到点数为止Exclusive - 1, -1, -1):
sums += array[i + 1]
array[i] = sums / max卡牌点数
sums -= array[i + max卡牌点数]
return array[0]
speedtest([Solution().new21Game, Solution().new21Game_slow], (10, 1, 10))
speedtest([Solution().new21Game, Solution().new21Game_slow], (6, 1, 10))
speedtest([Solution().new21Game, Solution().new21Game_slow], (21, 17, 10))
speedtest(
[Solution().new21Game, Solution().new21Game_slow], (7467, 6303, 1576))
speedtest(
[Solution().new21Game, Solution().new21Game_slow], (9811, 8776, 1096))
speedtest(
[Solution().new21Game, Solution().new21Game_slow], (7467, 6303, 1576))
dp(i - 1, j - 1, x + 1 if A[i] == B[j] else 0)
dp(i, j - 1, 0), dp(i - 1, j, 0)
maxAns = -2**31
dp(len(A) - 1, len(B) - 1, 0)
return maxAns
def findLength(self, A: List[int], B: List[int]) -> int:
dp = [[0] * (len(A) + 1) for _ in range(len(B) + 1)]
result = 0
for i in range(1, len(A) + 1):
for j in range(1, len(B) + 1):
if A[i - 1] == B[j - 1]:
dp[i][j] = dp[i - 1][j - 1] + 1
result = max(result, dp[i][j])
return result
speedtest((Solution().findLength, Solution().findLength_recursive),
([5, 14, 53, 80, 48, 6, 7, 8], [6, 7, 8, 50, 47, 3, 80, 83]))
array1 = np.array(range(1000))
array2 = array1
speedtest((Solution().findLength, Solution().findLength_recursive),
(array1, array2))
array1[:] = 59
array2 = array1.copy()
array1[3] = 91
array2[-1] = 94
speedtest((Solution().findLength, Solution().findLength_recursive),
(array1, array2))
from test_script import speedtest
class Solution:
@lru_cache(maxsize=None)
def jumpFloorIIRecursive(self, number: int):
if number == 1:
return 1
sum = 0
for i in range(1, number):
sum += self.jumpFloorIIRecursive(number - i)
return sum + 1
def jumpFloorIISlow(self, n):
dp = [1]
for i in range(1, n):
dp.append(sum(dp) + 1)
return dp[-1]
def jumpFloorII(self, n):
dp = [1]
sum = 0
for i in range(1, n):
sum += dp[i - 1]
dp.append(sum + 1)
return dp[-1]
speedtest((Solution().jumpFloorIIRecursive, Solution().jumpFloorIISlow,
Solution().jumpFloorII), [50])
maxQueue = MaxQueue()
yield None
elif fun == 'push_back':
yield maxQueue.push_back(value[0])
elif fun == 'pop_front':
yield maxQueue.pop_front()
elif fun == 'max_value':
yield maxQueue.max_value()
else:
raise ValueError
funs = ["MaxQueue", "push_back", "push_back", "max_value", "pop_front", "max_value"]
inputs = [[], [1], [2], [], [], []]
out = [None, None, None, 2, 1, 2]
speedtest([lambda f, arg: list(test(f, arg)), lambda x, y: out], [funs, inputs])
funs = ["MaxQueue", "pop_front", "max_value"]
inputs = [[], [], []]
out = [None, -1, -1]
speedtest([lambda f, arg: list(test(f, arg)), lambda x, y: out], [funs, inputs])
funs = ["MaxQueue", "max_value", "pop_front", "max_value", "push_back", "max_value", "pop_front", "max_value",
"pop_front", "push_back", "pop_front", "pop_front", "pop_front", "push_back", "pop_front", "max_value",
"pop_front", "max_value", "push_back", "push_back", "max_value", "push_back", "max_value", "max_value",
"max_value", "push_back", "pop_front", "max_value", "push_back", "max_value", "max_value", "max_value",
"pop_front", "push_back", "push_back", "push_back", "push_back", "pop_front", "pop_front", "max_value",
"pop_front", "pop_front", "max_value", "push_back", "push_back", "pop_front", "push_back", "push_back",
"push_back", "push_back", "pop_front", "max_value", "push_back", "max_value", "max_value", "pop_front",
"max_value", "max_value", "max_value", "push_back", "pop_front", "push_back", "pop_front", "max_value",
"max_value", "max_value", "push_back", "pop_front", "push_back", "push_back", "push_back", "pop_front",
"max_value", "pop_front", "max_value", "max_value", "max_value", "pop_front", "push_back", "pop_front",
"push_back", "push_back", "pop_front", "push_back", "pop_front", "push_back", "pop_front", "pop_front",
for future in futures:
for sumOfdices in future:
counter[sumOfdices] += future[sumOfdices]
sumOfAll = sum(counter.values())
retList = []
for sumOfTime in sorted(counter.keys()):
retList.append(counter[sumOfTime] / sumOfAll)
return retList
@lru_cache(maxsize=None)
def getCountAt(self, dice数量: int, dices点数和: int) -> int:
if dice数量 < 1 or dices点数和 < dice数量 or dices点数和 > dice数量 * 6:
return 0
if dice数量 == 1:
return 1
ret = [
self.getCountAt(dice数量 - 1, dices点数和 - i) for i in range(6, 0, -1)
]
return sum(ret)
def twoSum(self, n: int) -> List[float]:
dices点数和List = [
self.getCountAt(n, sumOfdices)
for sumOfdices in range(n, 6 * n + 1)
]
dices点数和Sum = sum(dices点数和List)
return [dicesSum / dices点数和Sum for dicesSum in dices点数和List]
speedtest([Solution().twoSum, Solution().twoSum_slow], [10])
for i, existsPath in enumerate(paths): # 如果存在路径与当前路径具有包含或者被包含的关系，则跳过或更新
existsPathSet = set(existsPath)
nowSet = set(path)
if existsPathSet.issubset(nowSet):
vaild = False
break
elif existsPathSet.issuperset(nowSet):
paths[i] = path
vaild = False
break
if vaild:
paths.append(path)
return paths
speedtest([Solution().findLadders, lambda x, y, z: [['a', 'c']]], ("a", "c", ["a", "b", "c"]))
speedtest([Solution().findLadders,
lambda x, y, z: [['hit', 'hot', 'dot', 'dog', 'cog'], ['hit', 'hot', 'lot', 'log', 'cog']]],
("hit", "cog", ["hot", "dot", "dog", "lot", "log", "cog"]))
speedtest([Solution().findLadders, lambda x, y, z: []], ("hit", "cog", ["hot", "dot", "dog", "lot", "log"]))
speedtest([Solution().findLadders, lambda x, y, z: [["hot", "dot", "dog"], ["hot", "hog", "dog"]]],
("hot", "dog", ["hot", "cog", "dog", "tot", "hog", "hop", "pot", "dot"]))
speedtest([Solution().findLadders,
lambda x, y, z: [["red", "ted", "tad", "tax"], ["red", "ted", "tex", "tax"], ["red", "rex", "tex", "tax"]]],
("red", "tax", ["ted", "tex", "red", "tax", "tad", "den", "rex", "pee"]))
speedtest([Solution().findLadders,
lambda x, y, z: [["cat", "fat", "fit", "fin"], ["cat", "fat", "fan", "fin"], ["cat", "can", "fan", "fin"]]],
("cat", "fin",
["ion", "rev", "che", "ind", "lie", "wis", "oct", "ham", "jag", "ray", "nun", "ref", "wig", "jul", "ken",
"mit", "eel", "paw", "per", "ola", "pat", "old", "maj", "ell", "irk", "ivy", "beg", "fan", "rap", "sun",
"yak", "sat", "fit", "tom", "fin", "bug", "can", "hes", "col", "pep", "tug", "ump", "arc", "fee", "lee",
for ALen in range(len(value) // 2 + 1):
A = value[:ALen]
# BDupStr = value[len(A):AStartIndexes[1]]
# if pattern.count('a') != 1:
# BDupCount = self.findAll(pattern, 'a')[1] - self.findAll(pattern, 'a')[0] - 1
# else:
# BDupCount = len(pattern) - 1
# B = BDupStr[:len(BDupStr) // BDupCount] if BDupCount else ''
for BLen in range(len(value) - ALen):
B = value[ALen:ALen + BLen]
if self.match(pattern, value, A, B):
return True
return False
speedtest([Solution().patternMatching_offical,
Solution().patternMatching], ("abba", "dogcatcatdog"))
speedtest([Solution().patternMatching_offical,
Solution().patternMatching], ("abba", "dogcatcatfish"))
speedtest([Solution().patternMatching_offical,
Solution().patternMatching], ("aaaa", "dogcatcatdog"))
speedtest([Solution().patternMatching_offical,
Solution().patternMatching], ("abba", "dogdogdogdog"))
speedtest([Solution().patternMatching_offical,
Solution().patternMatching], ("", "dogcatcatdog"))
speedtest([Solution().patternMatching_offical,
Solution().patternMatching], ("b", "dogcatcatdog"))
speedtest([Solution().patternMatching_offical,
Solution().patternMatching], ("ab", ""))
speedtest([Solution().patternMatching_offical,
Solution().patternMatching], ("a", ""))
speedtest([Solution().patternMatching_offical,
from test_script import speedtest_format as speedtest
class Solution:
def translateNum(self, num: int) -> int:
def dp(i: int):
nonlocal count
if i >= len(numStr):
count += 1
return
dp(i + 1)
if i < len(numStr) - 1 and ('0' <= numStr[i] <= '1' or
(numStr[i] == '2'
and '0' <= numStr[i + 1] <= '5')):
if numStr[i] != '0': # 两位数不可以以0打头
dp(i + 2)
numStr = str(num)
count = 0
dp(0)
return count
speedtest([Solution().translateNum, lambda x: 2], [12])
speedtest([Solution().translateNum, lambda x: 1], [26])
speedtest([Solution().translateNum, lambda x: 1], [506])
speedtest([Solution().translateNum, lambda x: 1], [5006])
speedtest([Solution().translateNum, lambda x: 2], [50106])
speedtest([Solution().translateNum, lambda x: 2], [18580])
speedtest([Solution().translateNum, lambda x: 4], [185810])
class Solution:
def findCircleNum(self, M: List[List[int]]) -> int:
friendCircles: List[set] = []
for i in range(len(M)):
for j in range(i, len(M[0])):
if M[i][j] == 1:
iCircleIndex = -1
for circleI, circleSet in enumerate(friendCircles):
if i in circleSet:
iCircleIndex = circleI
if iCircleIndex >= 0:
friendCircles[iCircleIndex].add(j)
else:
friendCircles.append({j})
for i in range(len(friendCircles) - 2, -1, -1):
for j in range(len(friendCircles) - 1, i, -1):
if friendCircles[i].intersection(friendCircles[j]):
friendCircles[i] = friendCircles[i].union(friendCircles[j])
del friendCircles[j]
return len(friendCircles)
speedtest([Solution().findCircleNum, lambda x: 2],
[[[1, 1, 0], [1, 1, 0], [0, 0, 1]]])
speedtest([Solution().findCircleNum, lambda x: 1],
[[[1, 1, 0], [1, 1, 1], [0, 1, 1]]])
speedtest([Solution().findCircleNum, lambda x: 1],
[[[1, 0, 0, 1], [0, 1, 1, 0], [0, 1, 1, 1], [1, 0, 1, 1]]])
valIs = root.val
else:
nowLength += 1
longest = max(longest, nowLength)
detectLongestPath(root.left, valIs + 1, nowLength)
detectLongestPath(root.right, valIs + 1, nowLength)
longest = 0
if not root:
return 0
detectLongestPath(root, root.val, 0)
return longest
speedtest(
[Solution().longestConsecutive,
Solution().longestConsecutive_clumsy],
[TreeUtil.createTreeByPreInOrder([1, 3, 2, 4, 5], [1, 2, 3, 4, 5])])
speedtest(
[Solution().longestConsecutive,
Solution().longestConsecutive_clumsy],
[TreeUtil.createTreeByPreInOrder([2, 3, 2, 1], [2, 1, 2, 3])])
root = TreeNode(1)
node = root
for i in range(2, 5001):
node.right = TreeNode(i)
node = node.right
speedtest(
[Solution().longestConsecutive,
Solution().longestConsecutive_clumsy], [root])
if not matrix:
return False
i, j = len(matrix) - 1, 0
while i >= 0 and j < len(matrix[0]):
if matrix[i][j] == target:
return True
elif matrix[i][j] > target:
i -= 1
elif matrix[i][j] < target:
j += 1
return False
speedtest([
Solution().searchMatrix_multiBiSearch,
Solution().searchMatrix,
Solution().searchMatrix_extremelyFast
], ([[1, 4, 7, 11, 15], [2, 5, 8, 12, 19], [3, 6, 9, 16, 22],
[10, 13, 14, 17, 24], [18, 21, 23, 26, 30]], 21))
speedtest([
Solution().searchMatrix_multiBiSearch,
Solution().searchMatrix,
Solution().searchMatrix_extremelyFast
], ([[1, 4, 6, 8, 10, 12] + list(range(13, 1000)), [3, 5, 7, 8, 11, 13] +
list(range(14, 1001)), [5, 6, 7, 9, 13, 15] + list(range(16, 1003)),
[6, 9, 11, 12, 13, 16] + list(range(18, 1005))], 1004))
import numpy as np
matrix = np.zeros((5000, 5000))
for i in range(matrix.shape[0]):
for j in range(matrix.shape[1]):
matrix[i][j] = i + j
result = []
for i in range(len(nums)):
result.append((multipliesList[i - 1] if i > 0 else 1) * (multipliesList[-1] // multipliesList[i]))
return result
def productExceptSelf_withoutMultiply(self, nums: List[int]) -> List[int]:
if not nums:
return []
multiSum = 1
leftMultipliesList = []
rightMultipliesList = []
for num in nums:
multiSum *= num
leftMultipliesList += [multiSum]
multiSum = 1
for num in reversed(nums):
multiSum *= num
rightMultipliesList += [multiSum]
rightMultipliesList = rightMultipliesList[::-1]
result = []
for i in range(len(nums)):
result += [
(leftMultipliesList[i - 1] if i > 0 else 1) * (rightMultipliesList[i + 1] if i < len(nums) - 1 else 1)]
return result
speedtest([Solution().productExceptSelf, Solution().productExceptSelf_withoutMultiply], [[0]])
speedtest([Solution().productExceptSelf, Solution().productExceptSelf_withoutMultiply], [[0, 0]])
speedtest([Solution().productExceptSelf, Solution().productExceptSelf_withoutMultiply], [[1, 2, 3, 4]])
speedtest([Solution().productExceptSelf, Solution().productExceptSelf_withoutMultiply], [list(range(10000))])