yajilin
Tags: loop
📖 Rule Reference: Read full rules on external site
🎮 Play Online: Play at puzzlink • Janko
Input Format
The yajilin-style grid follows structure:
1. Header Line
[ROWS] [COLS]
2. Clue Grid (Next [ROWS] lines)
Represents the numbers/clues given in the problem.
- -: Empty cell (no number or signal).
- [NUM][DIRECT]: e.g., 1w, 2s. The [NUM] is integer; the [DIRECT] is in 'nswe', means an arrow pointing n: North (Up), s: South (Down), w: West (Left), e: East (Right).
- x: blacked cells (if any).
Output Format
Returns a grid with nswe format representing the path segments of the single continuous loop.
Cell Format:
Each non-empty cell contains a string of characters indicating the directions of the path passing through it.
n: North (Up)s: South (Down)w: West (Left)e: East (Right)
Examples:
ns: A vertical line segment (North-South).ne: A 90-degree turn connecting North and East.-: Empty cell (not part of the loop).x: Filled cell (not appear if no rule applies, e.g., masyu).
Examples
Python Quick Start
Use the following code to solve this puzzle directly:
import puzzlekit
# Raw input data
problem_str = """
7 7
- 1w - - - - -
- - - 0e - - -
- - - - - 1e -
- 1w - 2s - - -
- - - - - - -
- - - - - 1w -
- - - - - - -
"""
# Solve
res = puzzlekit.solve(problem_str, puzzle_type="yajilin")
# Print solution grid
print(res.solution_data.get('solution_grid', []))
# Visualize (optional)
res.show()