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final _cjkQuote = RegExp(
    '([\u2e80-\u2eff\u2f00-\u2fdf\u3040-\u309f\u30a0-\u30ff\u3100-\u312f\u3200-\u32ff\u3400-\u4dbf\u4e00-\u9fff\uf900-\ufaff])(["])');
final _quoteCJK = RegExp(
    '(["])([\u2e80-\u2eff\u2f00-\u2fdf\u3040-\u309f\u30a0-\u30ff\u3100-\u312f\u3200-\u32ff\u3400-\u4dbf\u4e00-\u9fff\uf900-\ufaff])');
final _fixQuote = RegExp("([\"']+)(s*)(.+?)(s*)([\"']+)");
final _fixSingleQuote = RegExp(
    "([\u2e80-\u2eff\u2f00-\u2fdf\u3040-\u309f\u30a0-\u30ff\u3100-\u312f\u3200-\u32ff\u3400-\u4dbf\u4e00-\u9fff\uf900-\ufaff])( )(')([A-Za-z])");
final _hashANSCJKhash = RegExp(
    '([\u2e80-\u2eff\u2f00-\u2fdf\u3040-\u309f\u30a0-\u30ff\u3100-\u312f\u3200-\u32ff\u3400-\u4dbf\u4e00-\u9fff\uf900-\ufaff])(#)([A-Za-z0-9\u2e80-\u2eff\u2f00-\u2fdf\u3040-\u309f\u30a0-\u30ff\u3100-\u312f\u3200-\u32ff\u3400-\u4dbf\u4e00-\u9fff\uf900-\ufaff]+)(#)([\u2e80-\u2eff\u2f00-\u2fdf\u3040-\u309f\u30a0-\u30ff\u3100-\u312f\u3200-\u32ff\u3400-\u4dbf\u4e00-\u9fff\uf900-\ufaff])');
final _cjkHash = RegExp(

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#pragma region base

#include "bits/stdc++.h"

using namespace std;

using i64 = int64_t;
using u64 = uint64_t;
using i32 = int32_t;
using u32 = uint32_t;

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排序

对呀对呀！……排序有十二样写法，你知道么？

前置模板

冒泡排序

这种算法能如此知名，可能是历史遗留问题

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RecursionError

from sys import setrecursionlimit
setrecursionlimit(10**8)

IO加速

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import re
import sys
from pathlib import Path
from pprint import pprint
from subprocess import check_output
from sys import argv

from tqdm import tqdm

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import cv2
import matplotlib.pyplot as plt
import numpy as np
import numpy.typing as npt
from imutils import opencv2matplotlib

from opencv_utils import cvt_single_color


def show(image: npt.NDArray, contours=None):

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import re
import sys
from colorsys import hls_to_rgb, rgb_to_hls
from itertools import chain


def hex2rgb(x):
    x = x.lstrip("#")
    if len(x) == 3:
        x = "".join(chain(*zip(x, x)))