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Kakuro Solver "Kakkuro"

Version:	UI 1.1.1
	Solving Engine 1.2.2
Platform:	Windows Vista SP2 or later, 32-bit or 64-bit
Language:	C++ (Visual Studio 2012 Express)

Download kakkuro122.zip

"Kakkuro" solves kakuro problems fast - really fast. If a problem has mutlipe solutions, finds them all. "Kakkuro" shows how it is solving a problem for fun.
Download it now and see how fast it is!

Install and run

Extract the zip file and put all the file in the same directory.
Double click kakkuro.exe to run.

How to enter a problem

Before you solve a kakuro problem, you need to enter it to "Kakkuro" first. This section explains how to enter a problem.

Creating a new problem

Select <File><New..> from the menu or hit ctrl-N. The "new board" dialog box appears.

Enter the board size and hit the OK button, and you will get a blank board. Note the size doesn't include the top row and the leftmost column.

Cursor

A light blue (cyan) cell indicates the cursor. When a black cell has a clue or two clues, the cursor sits on a clue.

Moving the cursor

You can move the cursor in various ways.

• the cursor (arrow) keys
  You can move the cursor around with the cursor keys (the left, up, right, down arrow keys). When the cursor reaches the end of the board, it moves to the other side. For exapmle, if you try to move the cursor at the rightmost column further to the right, the cursor appears at the leftmost column in the same row.
• [Tab] and [Shift][Tab]
  The [Tab] key works like the right arrow key. It moves the cursor to the right. When the cursor reaches the right edge and you hit [Tab], the cursor appears at the leftmost column, but in the next row, instead of the same row. When the cursor is at the bottom right corner, it will appear at the top left corner next. [Shift][Tab] works in the similar way but in the opposite direction. The cursor moves from right to left, from bottom to top.
• [F3] and [Shift][F3]
  [F3] works like [Tab]. It moves the cursor left to right, then to the next row. But it doesn't move the cursor to the next cell one by one. Instead, it moves the cursor to the next clue cell, skipping white cells and black cells without clues. [Shift][F3] moves the cursor in the opposite direction.
• Click the left mouse button
  When you click a cell, the cusor moves to the cell.

Changing cell type between black and white

[Space] switches the cell type of the cell on the cursor. A black cell becomes white and a white cell becomes black.

Entering clue

When the cursor is in a clue cell, you can enter a clue number there but it behaves differently than usual so that you can enter clues with the num keys only.

• Clues cannot be greater than 45. So if you try to enter a number greater than 45, the greater digit is deleted.
  ex) Enter 1 in a blank clue cell. The clue becomes 1. Next, enter 2. The clue is now 12. Next, enter 5. It is now 125 but it's over 45. So the greatest digit "1" gets deleted and the clue becmes 25. Then, enter 9. It is 259. The greates digit gets deleted and it becomes 59. It is still over 45, so eventually it becomes 9. -> Enter 1 ->-> Enter 2 ->-> Enter 5 ->-> Enter 9 ->
• When the clue becomes 0, the clue cell becomes blank.

Simply put, whenever you want to enter a two digit clue in a clue cell, just hit the two digits whatever the cell currently has. If you want to enter a one digit clue, just enter "0" + the one digit clue. If you want to make it blank, just hit "0" twice.

Actually the [Del] and [Backspace] keys work. [Del] makes a clue cell blank. [Backspace] deletes the units digit.

Scrolling

When the board doesn't fit the window, you can scroll the window by:

• Scroll bars
• [PageUp][PageDown]
• The mouse wheel
• Moving the cursor.
  The board scrolls so that the cursor is always on screen.

Saving and opening problem

You can save the problem you entered and open it later. It doesn't matter you finished it or not. "Kakkuro" saves and reads the problem as is. After solving a problem, "save" doesn't save the solution. It just saves the problem part.

Solving a problem

Select <Solution><Solve it!> from the menu to solve a prolem. If the problem has an issue, an error dialog box appears and moves the cursor where the issue found if possible.

"Kakkuro" solves a problem really fast. If you want to watch how "Kakkuro" is solving, select <Solution><Speed><Slower> from the menu.

When "Kakkuro" finishes solving the problem, The result dialog box comes up and tells how many solutions were found.

If there are multiple solutions, you can select the solution you want from the right pane.

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