asukaminato0721

"""
This mimic the behavior of clojure's Thread-end ->>

"""

from functools import reduce, wraps
from typing import Callable


def double_rightarrow_decorator(f: Callable):

asukaminato0721

"""
usage: python3 this_file.py expr
for example:
python3 this_file.py "tan(x)"
python3 this_file.py "^(x,-1)"
python3 this_file.py "+(x,-1)"
python3 this_file.py "+(-1,x,^(x,-1))"
"""

import json

asukaminato0721

(*
written in 2018/8/29
*)

Clear["Global`*"];
(*f[x,y]=0,(x1,y1),g[x,y]=0,(x2,y2) 本代码略去了两条曲线正好相切于同一点处的切线*)

f[x_, y_] = (x)^2 + x y + y^2 - 1;
g[x_, y_] = (x - 4)^2 + x y + (y)^2 - 1;(*两个隐函数*)

asukaminato0721

from functools import wraps
from typing import Callable


def wrapper(f: Callable):
    @wraps(f)
    def inner(*args):
        if len(args) == 1 and isinstance(args[0], Callable):

            def curry(x):

asukaminato0721

lei[n_Integer] := 
  Range[0, n] //
  1 + 2 # & //
  Partition[#, 2] & //
  Map[1./Times @@ # &] //
  Total //
  #*8 &;
lei[10000]

lei2[n_Integer] := MapThread[#2 *1./#1 &, {

asukaminato0721

from enum import Enum, auto
from typing import Any, Callable


class msg(Enum):
    FIRST = auto()
    SECOND = auto()


def cons(x: Any, y: Any):

asukaminato0721

from typing import List

import requests
from lxml.etree import HTML

headers = {
    "User-Agent": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0",
}

params = (

asukaminato0721

#!/bin/bash
for fn in "$@"
do
   [[ -s "$fn" ]] && iconv < "$fn" -f $(uchardet "$fn") -t utf8 | less
done
# you can just use it like cat, alias cat=autocat.sh

asukaminato0721

import argparse
from collections import defaultdict
from typing import DefaultDict


def generateDict():
    def read():
        with open("./raw.txt") as f:
            yield from f

asukaminato0721

def bfs(t: int):
    vis = set()
    q = [1]
    level = 0
    while q:
        for _ in range(len(q)):
            t = q.pop(0)
            if t == 2013:
                return level
            for j in [t + 1, t * 2]: