Taro Kuriyama tkuriyama

## railroad_puzzle.py
"""Passengers in a Railroad Compartment

Six passengers sharing a train compartment are from Moscow, Leningrad, Tula,
Kiev, Kharkov, and Odessa.

1. A and the man from Moscow are physicians
2. E and the Leningrader are teachers.
3. The man from Tula and C are engineers.
4. B and F are WWII veterans, but the man from Tula has never served in the
   armed forces.

## jumping_checkers.py
"""Solver for "Jumping Checkers" problem.

Place 3 white checkers in squares 1, 2, and 3 of the figure, and 3 black ones
on swuares 5, 6, 7. Shift the white checkers to the squares occupied by the
black ones, and vice versa.

    Board       |0|0|0| |1|1|1|
    Square #     1 2 3 4 5 6 7

You may move a checker forward to an adjacent unoccupied square, if any.

## blacksmith.py
"""Blacksmith Khecho's Ingenuity

[...]

Khecho, calmly looking around, climbed the steps to the tower's upper
part and glanced out the window. He realized it would be impossible to
jump out and survive. But he saw a rope, forgotten by the masons, hanging
near the window. The rope was thrown over a rusty tackle fastned to the
tower wall above the window. Empty baskets were tied to each end of the
rope. Those baskets had been used by the masons to lift bricks and lower

## weighted_draw.py
from __future__ import division
import random

def weighted_draw(items, target):
    """Draw item from iterable based on probability distribution of items.
    Args
        items: tuple of (item: float of probability) pairs where the.
               sum probability has been normalized to 1
        target: float, random number between 0 and 1 used to determine
                the item to draw from items

## fold_syntax_tests

let product = List.fold (*) 1

let product = List.fold (fun acc x -> acc * x) 1

let fold1 f items =
    List.fold f (List.head items) (List.tail items)

## lex_perm.py
import sys

### Test

def test_predecessor():
    """Basic unit tests for find_predecessor."""
    assert main('1432', 0) == '1423'
    assert main('04123', 0) == '03421'
    assert main('315426', 0) == '315264'
    assert main('315246', 0) == '314652'

## fording_puzzle_v1.py
"""River Fording Puzzle.

3 girls, each with her father, go for a stroll. They come to a small river.
One boat, able to carry 2 persons at a time, is at their disposal.

Crossing would be simple for everyone except the girls. None is willing to be
in the boat or ashore with 1 or 2 strange fathers, unless her own father is
present too. How do they all get across?
"""

## fording_puzzle_v2.py
"""River Fording Puzzle.

3 girls, each with her father, go for a stroll. They come to a small river.
One boat, able to carry 2 persons at a time, is at their disposal.

Crossing would be simple for everyone except the girls. None is willing to be
in the boat or ashore with 1 or 2 strange fathers, unless her own father is
present too. How do they all get across?
"""

## fording_puzzle_v3.py
"""River Fording Puzzle.

3 girls, each with her father, go for a stroll. They come to a small river.
One boat, able to carry 2 persons at a time, is at their disposal.

Crossing would be simple for everyone except the girls. None is willing to be
in the boat or ashore with 1 or 2 strange fathers, unless her own father is
present too. How do they all get across?
"""

## .vimrc
""" Plugins https://github.com/tpope/vim-pathogen

execute pathogen#infect()

""" General UI

" line numbers
set number

" Turn on the WiLd menu
	"""Passengers in a Railroad Compartment

	Six passengers sharing a train compartment are from Moscow, Leningrad, Tula,
	Kiev, Kharkov, and Odessa.

	1. A and the man from Moscow are physicians
	2. E and the Leningrader are teachers.
	3. The man from Tula and C are engineers.
	4. B and F are WWII veterans, but the man from Tula has never served in the
	armed forces.
	"""Solver for "Jumping Checkers" problem.

	Place 3 white checkers in squares 1, 2, and 3 of the figure, and 3 black ones
	on swuares 5, 6, 7. Shift the white checkers to the squares occupied by the
	black ones, and vice versa.

	Board \|0\|0\|0\| \|1\|1\|1\|
	Square # 1 2 3 4 5 6 7

	You may move a checker forward to an adjacent unoccupied square, if any.
	"""Blacksmith Khecho's Ingenuity

	[...]

	Khecho, calmly looking around, climbed the steps to the tower's upper
	part and glanced out the window. He realized it would be impossible to
	jump out and survive. But he saw a rope, forgotten by the masons, hanging
	near the window. The rope was thrown over a rusty tackle fastned to the
	tower wall above the window. Empty baskets were tied to each end of the
	rope. Those baskets had been used by the masons to lift bricks and lower
	from __future__ import division
	import random

	def weighted_draw(items, target):
	"""Draw item from iterable based on probability distribution of items.
	Args
	items: tuple of (item: float of probability) pairs where the.
	sum probability has been normalized to 1
	target: float, random number between 0 and 1 used to determine
	the item to draw from items

	let product = List.fold (*) 1

	let product = List.fold (fun acc x -> acc * x) 1

	let fold1 f items =
	List.fold f (List.head items) (List.tail items)
	import sys

	### Test

	def test_predecessor():
	"""Basic unit tests for find_predecessor."""
	assert main('1432', 0) == '1423'
	assert main('04123', 0) == '03421'
	assert main('315426', 0) == '315264'
	assert main('315246', 0) == '314652'
	"""River Fording Puzzle.

	3 girls, each with her father, go for a stroll. They come to a small river.
	One boat, able to carry 2 persons at a time, is at their disposal.

	Crossing would be simple for everyone except the girls. None is willing to be
	in the boat or ashore with 1 or 2 strange fathers, unless her own father is
	present too. How do they all get across?
	"""
	""" Plugins https://github.com/tpope/vim-pathogen

	execute pathogen#infect()

	""" General UI

	" line numbers
	set number

	" Turn on the WiLd menu