import pyutil as pyu
pyu.get_local_pyinfo()

print(pyu.ps2("python-dotenv"))

from typing import List

class Solution:
  def trap(self, height: List[int]) -> int:
    n = len(height)
    l = [0] * n  # l[i] := max(height[0..i])
    r = [0] * n  # r[i] := max(height[i..n))

    for …

import pyutil as pyu
pyu.get_local_pyinfo()

print(pyu.ps2("python-dotenv"))

from typing import List

class Solution:
  def originalDigits(self, s: str) -> str:
    count = [0] * 10

    for c in s:
      if c == 'z':
        count[0] += 1
      if c == 'o':
        count[1] += 1
      if c == 'w':
        count …

import pyutil as pyu
pyu.get_local_pyinfo()

print(pyu.ps2("python-dotenv"))

from typing import List

class Solution:
  def characterReplacement(self, s: str, k: int) -> int:
    ans = 0
    maxCount = 0
    count = Counter()

    l = 0
    for r, c in enumerate(s):
      count[c] += 1
      maxCount = max(maxCount, count …

import pyutil as pyu
pyu.get_local_pyinfo()

print(pyu.ps2("python-dotenv"))

from typing import List

class Solution:
  def multiply(self, num1: str, num2: str) -> str:
    s = [0] * (len(num1) + len(num2))

    for i in reversed(range(len(num1))):
      for j in reversed(range(len(num2))):
        mult …

# Created: 20250104

import pyutil as pyu
pyu.get_local_pyinfo()

'conda env: ml312-2024; pyv: 3.12.7 | packaged by Anaconda, Inc. | (main, Oct  4 2024, 13:27:36) [GCC 11.2.0]'

print(pyu.ps2("yfinance pandas matplotlib"))

yfinance==0.2.51
pandas==2.2.3
matplotlib==3.9.3

import …

import pyutil as pyu
pyu.get_local_pyinfo()

print(pyu.ps2("python-dotenv"))

from typing import List

class Solution:
  def flatten(self, head: 'Node') -> 'Node':
    def flatten(head: 'Node', rest: 'Node') -> 'Node':
      if not head:
        return rest

      head.next = flatten(head.child, flatten(head.next, rest))
      if head …

import pyutil as pyu
pyu.get_local_pyinfo()

print(pyu.ps2("python-dotenv"))

from typing import List

class Solution:
  def countSegments(self, s: str) -> int:
    return len(s.split())

new Solution().countSegments()

import pyutil as pyu
pyu.get_local_pyinfo()

print(pyu.ps2("python-dotenv"))

from typing import List

class Solution:
  def eraseOverlapIntervals(self, intervals: List[List[int]]) -> int:
    ans = 0
    currentEnd = -math.inf

    for interval in sorted(intervals, key=lambda x: x[1]):
      if interval[0] >= currentEnd:
        currentEnd = interval …

import pyutil as pyu
pyu.get_local_pyinfo()

print(pyu.ps2("python-dotenv"))

from typing import List

class Solution:
  def pathSum(self, root: TreeNode, summ: int) -> int:
    if not root:
      return 0

    def dfs(root: TreeNode, summ: int) -> int:
      if not root:
        return 0
      return (summ == root.val …

import pyutil as pyu
pyu.get_local_pyinfo()

print(pyu.ps2("python-dotenv"))

from typing import List

class Solution:
  def findAnagrams(self, s: str, p: str) -> List[int]:
    ans = []
    count = Counter(p)
    required = len(p)

    for r, c in enumerate(s):
      count[c] -= 1
      if count[c] >= 0 …