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Tsunagi繋ぎ

Join each pair with a separate line and fill the board, through fixed levels or seeded puzzles.

Tsunagi means joining in Japanese. About the name

Contents

Reference · Rules, solvers and generation

forcedSharefunction

The share of a layout's empty cells filled by forced moves alone: each line's two ends are grown while one of them has exactly one empty neighbour to go to, until a pair's ends meet or no end has only one way on. What a person does before they have to think.

Import it

import { forcedShare } from "@johnmorrisdotca/tsunagi";

Definition

function forcedShare(code: string, size: number): number

Parameters

NameTypeDescription
codestring

The native layout, answer or line-progress string.

sizenumber

The number of cells on each side of the board.

Returns

number

The share of a layout's empty cells filled by forced moves alone: each line's two ends are grown while one of them has exactly one empty neighbour to go to, until a pair's ends meet or no end has only one way on. What a person does before they have to think.

Examples

import { TSUNAGI_4 } from "@johnmorrisdotca/tsunagi/levels-4";
import { forcedShare } from "@johnmorrisdotca/tsunagi";

const givens = TSUNAGI_4[0][0];
console.log(forcedShare(givens,4));
1

What it prints (run when this page was built)

View sourceEdit on GitHubMade from the source of @johnmorrisdotca/tsunagi 1.7.0.