https://leetcode.com/problems/goat-latin
import pyutil as pyu
pyu.get_local_pyinfo()
print(pyu.ps2("python-dotenv"))
from typing import List
class Solution:
def toGoatLatin(self, S: str) -> str:
ans = ''
vowels = 'aeiouAEIOU'
words = S.split()
i = 1
for word in words:
if i > 1:
ans += ' '
if word[0] in vowels:
ans += word …Category: leetcode
Read Morehttps://leetcode.com/problems/friends-of-appropriate-ages
import pyutil as pyu
pyu.get_local_pyinfo()
print(pyu.ps2("python-dotenv"))
from typing import List
class Solution:
def numFriendRequests(self, ages: List[int]) -> int:
ans = 0
count = [0] * 121
for age in ages:
count[age] += 1
for i in range(15, 121):
ans += count[i] * (count …Category: leetcode
Read Morehttps://leetcode.com/problems/most-profit-assigning-work
import pyutil as pyu
pyu.get_local_pyinfo()
print(pyu.ps2("python-dotenv"))
from typing import List
class Solution:
def maxProfitAssignment(self, difficulty: List[int], profit: List[int], worker: List[int]) -> int:
ans = 0
jobs = sorted(zip(difficulty, profit))
worker.sort(reverse=1)
i = 0
maxProfit = 0
for …Category: leetcode
Read Morehttps://leetcode.com/problems/count-unique-characters-of-all-substrings-of-a-given-string
import pyutil as pyu
pyu.get_local_pyinfo()
print(pyu.ps2("python-dotenv"))
from typing import List
class Solution:
def uniqueLetterString(self, s: str) -> int:
ans = 0
count = 0
lastCount = [0] * 26
lastSeen = [-1] * 26
for i, c in enumerate(s):
c = ord(c) - ord('A')
currentCount = i …Category: leetcode
Read Morehttps://leetcode.com/problems/consecutive-numbers-sum
import pyutil as pyu
pyu.get_local_pyinfo()
print(pyu.ps2("python-dotenv"))
from typing import List
class Solution:
def consecutiveNumbersSum(self, N: int) -> int:
ans = 0
i = 1
triangleNum = 1
while triangleNum <= N:
if (N - triangleNum) % i == 0:
ans += 1
i += 1
triangleNum += i
return ans
new …Category: leetcode
Read Morehttps://leetcode.com/problems/remove-duplicates-from-sorted-list
import pyutil as pyu
pyu.get_local_pyinfo()
print(pyu.ps2("python-dotenv"))
from typing import List
class Solution:
def deleteDuplicates(self, head: ListNode) -> ListNode:
curr = head
while curr:
while curr.next and curr.val == curr.next.val:
curr.next = curr.next.next
curr = curr.next
return head …Category: leetcode
Read Morehttps://leetcode.com/problems/positions-of-large-groups
import pyutil as pyu
pyu.get_local_pyinfo()
print(pyu.ps2("python-dotenv"))
from typing import List
class Solution:
def largeGroupPositions(self, S: str) -> List[List[int]]:
n = len(S)
ans = []
i = 0
j = 0
while i < n:
while j < n and S[j] == S[i]:
j += 1 …Category: leetcode
Read Morehttps://leetcode.com/problems/masking-personal-information
import pyutil as pyu
pyu.get_local_pyinfo()
print(pyu.ps2("python-dotenv"))
from typing import List
class Solution:
def maskPII(self, S: str) -> str:
atIndex = S.find('@')
if atIndex != -1:
S = S.lower()
return S[0] + '*' * 5 + S[atIndex - 1:]
ans = ''.join(c for c in S …Category: leetcode
Read Morehttps://leetcode.com/problems/flipping-an-image
import pyutil as pyu
pyu.get_local_pyinfo()
print(pyu.ps2("python-dotenv"))
from typing import List
class Solution:
def flipAndInvertImage(self, A: List[List[int]]) -> List[List[int]]:
n = len(A)
for i in range(n):
for j in range((n + 2) // 2):
A[i][j], A …Category: leetcode
Read Morehttps://leetcode.com/problems/find-and-replace-in-string
import pyutil as pyu
pyu.get_local_pyinfo()
print(pyu.ps2("python-dotenv"))
from typing import List
class Solution:
def findReplaceString(self, s: str, indexes: List[int],
sources: List[str], targets: List[str]) -> str:
for index, source, target in sorted(zip(indexes, sources, targets), reverse=True):
if s …Category: leetcode
Read More