akkartik/sum-grid.love - Change NR65N5IQMKRXSPU5I65CRG65UE6JTMEMMSLQUFVZ5WBFPBJFO25AC

better constrain possible problems

It seems the cleanest way to get what we want is to generate the solution up front.

Created by akkartik on November 16, 2023

NR65N5IQMKRXSPU5I65CRG65UE6JTMEMMSLQUFVZ5WBFPBJFO25AC

Dependencies

In channels

main

Change contents

File deletion: 0020-solve

BF:BFD[4.2] → [5.400:434]

BF:BFD[5.434] → [5.435:435]

B:BD[5.435] → [5.436:839]

solve = function()
	print('solve')
	-- copy the slots we have
	local c = Char.col_totals
	local d = Char.data
	Solution = {
		col_totals = {c[1], c[2]},
		data = {
			{d[1][1], d[1][2] },
			{ },
		}
	}
	-- fill out the remaining data
	Solution.data[2][1] = c[1] - d[1][1]
	Solution.data[2][2] = c[2] - d[1][2]
	d = Solution.data
	Solution.row_totals = {
		d[1][1] + d[1][2],
		d[2][1] + d[2][2],
	}
end

File deletion: 0018-Char

BF:BFD[4.2] → [5.1020:1053]

BF:BFD[5.1053] → [5.1054:1054]

B:BD[5.1054] → [5.1055:1206]

-- a set of numbers that uniquely characterizes a sum-grid instance.
Char = {
	row_totals={0, 0},
	col_totals={0, 0},
	data={
		{0, 0},
		{0, 0},
	},
}

Deletion in 0027-new at line 3 [2.352]
B:BD[2.382] → [2.382:391]
```
	solve()
```

Replacement in 0024-generate at line 2 [2.447]

B:BD[2.470] → [2.470:531]

	-- a sum grid is fully characterized by 4 numbers
	Char = {

[2.470]

[2.531]

	local g = {
		col_totals = {'', ''},
		row_totals = {'', ''},

Replacement in 0024-generate at line 6 [2.447]

B:BD[2.542] → [2.542:599]

			{ math.random(1,9), math.random(1,9) },
			{ '', ''},

[2.542]

[2.599]

			{'', ''},
			{'', ''},

Deletion in 0024-generate at line 9 [2.447]

B:BD[2.604] → [2.604:728]

		row_totals = { '', '' },
	}
	Char.col_totals = {
		math.random(Char.data[1][1]+1,10),
		math.random(Char.data[1][2]+1,10)

Insertion in 0024-generate at line 10 [2.447]

[2.731]

	g.data[1][1] = math.random(1,9)
	local d11 = g.data[1][1]
	g.row_totals[1] = math.random(d11+1,10)
	g.col_totals[1] = math.random(d11+1,10)
	g.data[1][2] = g.row_totals[1] - d11
	g.data[2][1] = g.col_totals[1]-d11
	g.row_totals[2] = math.random(g.data[1][2]+1,10)
	g.col_totals[2] = math.random(g.data[2][1]+1,10)
	g.data[2][2] = g.col_totals[2]-g.data[2][1]
	Solution = g

Replacement in 0021-Draw at line 1 [5.385]
B:BD[5.385] → [3.31:47]
```
Draw = 'problem'
```
[5.385]
```
Draw = 'problem'  -- or 'solution'
```
Deletion in 0019-Solution at line 1 [5.878]
B:BD[5.878] → [5.879:933]
```
-- solution for the sum-grid problem defined by Char.
```
Deletion in 0017-on.keychord_press at line 7 [5.1254]
B:BD[5.1406] → [5.1406:1452]
```
			Draw = 'char'
		elseif Draw == 'char' then
```