Working, with go routines. Didn't improve performance.

This commit is contained in:
Sacha Ligthert 2024-12-07 19:23:45 +01:00
parent 494ddda1dd
commit b89d2d29c6
7 changed files with 437 additions and 285 deletions

278
main.go
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@ -1,281 +1,7 @@
package main
import (
"encoding/csv"
"fmt"
"io"
"log"
"os"
"strconv"
)
import "gitea.ligthert.net/golang/sudoku-funpark/solver"
func main() {
blocks := load_blocks()
// fmt.Println("Total blocks:", len(blocks))
// Parse parameters
// Turn parameters into rows
row1 := "769104802"
row2 := "154800060"
row3 := "002700150"
row4 := "600900308"
row5 := "045328670"
row6 := "328670945"
row7 := "597410280"
row8 := "006283090"
row9 := "200590006"
// Find rows that fit with the entered rows
rows1 := find_blocks(blocks, row1)
rows2 := find_blocks(blocks, row2)
rows3 := find_blocks(blocks, row3)
rows4 := find_blocks(blocks, row4)
rows5 := find_blocks(blocks, row5)
rows6 := find_blocks(blocks, row6)
rows7 := find_blocks(blocks, row7)
rows8 := find_blocks(blocks, row8)
rows9 := find_blocks(blocks, row9)
// fmt.Println(rows1)
// fmt.Println(rows2)
// fmt.Println(rows3)
// fmt.Println(rows4)
// fmt.Println(rows5)
// fmt.Println(rows6)
// fmt.Println(rows7)
// fmt.Println(rows8)
// fmt.Println(rows9)
// fmt.Println("len(rows1):", len(rows1))
// fmt.Println("len(rows2):", len(rows2))
// fmt.Println("len(rows3):", len(rows3))
// fmt.Println("len(rows4):", len(rows4))
// fmt.Println("len(rows5):", len(rows5))
// fmt.Println("len(rows6):", len(rows6))
// fmt.Println("len(rows7):", len(rows7))
// fmt.Println("len(rows8):", len(rows8))
// fmt.Println("len(rows9):", len(rows9))
fmt.Println("Number of iterations:", len(rows1)*len(rows2)*len(rows3)*len(rows4)*len(rows5)*len(rows6)*len(rows7)*len(rows8)*len(rows9))
iter := len(rows1) * len(rows2) * len(rows3) * len(rows4) * len(rows5) * len(rows6) * len(rows7) * len(rows8) * len(rows9)
solutions := check_combinations(rows1, rows2, rows3, rows4, rows5, rows6, rows7, rows8, rows9, iter)
fmt.Println(solutions)
}
func check_combinations(rows1 []int, rows2 []int, rows3 []int, rows4 []int, rows5 []int, rows6 []int, rows7 []int, rows8 []int, rows9 []int, iter int) []string {
var combinations []string
var counter int
var percentage float32
for rows1_index := range rows1 {
for rows2_index := range rows2 {
for rows3_index := range rows3 {
for rows4_index := range rows4 {
for rows5_index := range rows5 {
for rows6_index := range rows6 {
for rows7_index := range rows7 {
for rows8_index := range rows8 {
for rows9_index := range rows9 {
if validate_combination(rows1[rows1_index], rows2[rows2_index], rows3[rows3_index], rows4[rows4_index], rows5[rows5_index], rows6[rows6_index], rows7[rows7_index], rows8[rows8_index], rows9[rows9_index]) {
combinations = append(combinations, render_combination(rows1[rows1_index], rows2[rows2_index], rows3[rows3_index], rows4[rows4_index], rows5[rows5_index], rows6[rows6_index], rows7[rows7_index], rows8[rows8_index], rows9[rows9_index]))
}
counter = counter + 1
if counter%1000000 == 0 {
percentage = (float32(counter) / (float32(iter) / 100))
fmt.Println("Processing:", percentage, "%")
}
}
}
}
}
}
}
}
}
}
return combinations
}
func validate_combination(row1 int, row2 int, row3 int, row4 int, row5 int, row6 int, row7 int, row8 int, row9 int) bool {
var retval bool
retval = true
row1s := strconv.Itoa(row1)
row2s := strconv.Itoa(row2)
row3s := strconv.Itoa(row3)
row4s := strconv.Itoa(row4)
row5s := strconv.Itoa(row5)
row6s := strconv.Itoa(row6)
row7s := strconv.Itoa(row7)
row8s := strconv.Itoa(row8)
row9s := strconv.Itoa(row9)
for index := range 9 {
if row1s[index] == row2s[index] || row1s[index] == row3s[index] || row1s[index] == row4s[index] || row1s[index] == row5s[index] || row1s[index] == row6s[index] || row1s[index] == row7s[index] || row1s[index] == row8s[index] || row1s[index] == row9s[index] {
retval = false
}
if row2s[index] == row1s[index] || row2s[index] == row3s[index] || row2s[index] == row4s[index] || row2s[index] == row5s[index] || row2s[index] == row6s[index] || row2s[index] == row7s[index] || row2s[index] == row8s[index] || row2s[index] == row9s[index] {
retval = false
}
if row3s[index] == row1s[index] || row3s[index] == row2s[index] || row3s[index] == row4s[index] || row3s[index] == row5s[index] || row3s[index] == row6s[index] || row3s[index] == row7s[index] || row3s[index] == row8s[index] || row3s[index] == row9s[index] {
retval = false
}
if row4s[index] == row1s[index] || row4s[index] == row2s[index] || row4s[index] == row3s[index] || row4s[index] == row5s[index] || row4s[index] == row6s[index] || row4s[index] == row7s[index] || row4s[index] == row8s[index] || row4s[index] == row9s[index] {
retval = false
}
if row5s[index] == row1s[index] || row5s[index] == row2s[index] || row5s[index] == row3s[index] || row5s[index] == row4s[index] || row5s[index] == row6s[index] || row5s[index] == row7s[index] || row5s[index] == row8s[index] || row5s[index] == row9s[index] {
retval = false
}
if row6s[index] == row1s[index] || row6s[index] == row2s[index] || row6s[index] == row3s[index] || row6s[index] == row4s[index] || row6s[index] == row5s[index] || row6s[index] == row7s[index] || row6s[index] == row8s[index] || row6s[index] == row9s[index] {
retval = false
}
if row7s[index] == row1s[index] || row7s[index] == row2s[index] || row7s[index] == row3s[index] || row7s[index] == row4s[index] || row5s[index] == row6s[index] || row7s[index] == row6s[index] || row7s[index] == row8s[index] || row7s[index] == row9s[index] {
retval = false
}
if row8s[index] == row1s[index] || row8s[index] == row2s[index] || row8s[index] == row3s[index] || row8s[index] == row4s[index] || row8s[index] == row5s[index] || row8s[index] == row6s[index] || row8s[index] == row7s[index] || row8s[index] == row9s[index] {
retval = false
}
if row9s[index] == row1s[index] || row9s[index] == row2s[index] || row9s[index] == row3s[index] || row9s[index] == row4s[index] || row9s[index] == row5s[index] || row9s[index] == row6s[index] || row9s[index] == row7s[index] || row9s[index] == row8s[index] {
retval = false
}
}
return retval
}
func render_combination(row1 int, row2 int, row3 int, row4 int, row5 int, row6 int, row7 int, row8 int, row9 int) string {
row1s := strconv.Itoa(row1)
row2s := strconv.Itoa(row2)
row3s := strconv.Itoa(row3)
row4s := strconv.Itoa(row4)
row5s := strconv.Itoa(row5)
row6s := strconv.Itoa(row6)
row7s := strconv.Itoa(row7)
row8s := strconv.Itoa(row8)
row9s := strconv.Itoa(row9)
// combination = row1s + "\n" + row2s + "\n" + row3s + "\n" + row4s + "\n" + row5s + "\n" + row6s + "\n" + row7s + "\n" + row8s + "\n" + row9s + "\n"
return row1s + "\n" + row2s + "\n" + row3s + "\n" + row4s + "\n" + row5s + "\n" + row6s + "\n" + row7s + "\n" + row8s + "\n" + row9s + "\n"
}
func find_blocks(blocks []int, row string) []int {
// Declare selection
var selection []int
var curr_blocks []int
// fmt.Println(row)
for letter := range row {
if len(selection) == 0 {
curr_blocks = blocks
} else {
curr_blocks = selection
selection = nil
}
// fmt.Println("Letter:", row[letter])
// fmt.Println("len(curr_blocks):", len(curr_blocks))
// fmt.Println("curr_blocks[0]:", curr_blocks[0])
for block := range curr_blocks {
curr_row := strconv.Itoa(curr_blocks[block])
if row[letter] == curr_row[letter] {
found_row, _ := strconv.Atoi(curr_row)
selection = append(selection, found_row)
}
if row[letter] == '0' {
found_row, _ := strconv.Atoi(curr_row)
selection = append(selection, found_row)
}
} // End for-loop
} // End for-loop
// Return selection
return selection
}
func load_blocks() []int {
var blocks []int
file, err := os.Open("blocks.csv")
if err != nil {
panic(err)
}
defer file.Close()
r := csv.NewReader(file)
for {
record, err := r.Read()
if err == io.EOF {
break
}
if err != nil {
log.Fatal(err)
}
block, _ := strconv.Atoi(record[0])
blocks = append(blocks, block)
}
return blocks
}
func generate_blocks() []int {
var blocks []int
decvals := [9]int{49, 50, 51, 52, 53, 54, 55, 56, 57}
for counter := 123456789; counter <= 987654321; counter++ {
// Convert number to string ([]byte)
digits := strconv.Itoa(counter)
// Check if every number is only represented only once
var valid bool
valid = true
for decval := range decvals {
var count int
for digit := range digits {
if digits[digit] == byte(decvals[decval]) {
count = count + 1
}
}
if count != 1 {
valid = false
}
}
if valid {
blocks = append(blocks, counter)
}
}
return blocks
}
func print_block(block int) {
digits := strconv.Itoa(block)
fmt.Printf("%c %c %c\n%c %c %c\n%c %c %c\n\n", digits[0], digits[1], digits[2], digits[3], digits[4], digits[5], digits[6], digits[7], digits[8])
solver.Run()
}

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@ -31,12 +31,50 @@ Compat Matrix
// fmt.Println(blocks[i])
// }
// block1 := 714365289
// block2 := 365289714
// block3 := 289714365
// block4 := 173456892
// block5 := 456893173
// block6 := 892173546
// block7 := 647531928
// block8 := 531928647
// block9 := 928647531
row1 := "769104802"
row2 := "154800060"
row3 := "002700150"
row4 := "600900308"
row5 := "045328670"
row6 := "328670945"
row7 := "597410280"
row8 := "006283090"
row9 := "200590006"
row1 := "769154832"
row2 := "154832769"
row3 := "832769154"
row4 := "671945328"
row5 := "945328671"
row6 := "328671945"
row7 := "597416283"
row8 := "416284597"
row9 := "283597416"
// for rows1_index := range solver.row1s {
// for rows2_index := range solver.row2s {
// for rows3_index := range solver.row3s {
// for rows4_index := range solver.row4s {
// for rows5_index := range solver.row5s {
// for rows6_index := range solver.row6s {
// for rows7_index := range solver.row7s {
// for rows8_index := range solver.row8s {
// for rows9_index := range solver.row9s {
// go solver.routine_validator(rows1_index, rows2_index, rows3_index, rows4_index, rows5_index, rows6_index, rows7_index, rows8_index, rows9_index)
// // if solver.validate_combination(solver.row1s[rows1_index], solver.row2s[rows2_index], solver.row3s[rows3_index], solver.row4s[rows4_index], solver.row5s[rows5_index], solver.row6s[rows6_index], solver.row7s[rows7_index], solver.row8s[rows8_index], solver.row9s[rows9_index]) {
// // solver.solutions = append(solver.solutions, solver.render_combination(solver.row1s[rows1_index], solver.row2s[rows2_index], solver.row3s[rows3_index], solver.row4s[rows4_index], solver.row5s[rows5_index], solver.row6s[rows6_index], solver.row7s[rows7_index], solver.row8s[rows8_index], solver.row9s[rows9_index]))
// // }
// // solver.counter = solver.counter + 1
// // if solver.counter%1000000 == 0 {
// // percentage = (float32(solver.counter) / (float32(solver.iter) / 100))
// // fmt.Println("Processing:", percentage, "%; Procs:", runtime.NumGoroutine())
// // }
// }
// }
// }
// }
// }
// }
// }
// }
// }

69
solver/blocks.go Normal file
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@ -0,0 +1,69 @@
package solver
import (
"encoding/csv"
"io"
"log"
"os"
"strconv"
)
func (solver *Solver) load_blocks() {
var blocks []int
file, err := os.Open("blocks.csv")
if err != nil {
panic(err)
}
defer file.Close()
r := csv.NewReader(file)
for {
record, err := r.Read()
if err == io.EOF {
break
}
if err != nil {
log.Fatal(err)
}
block, _ := strconv.Atoi(record[0])
blocks = append(blocks, block)
}
solver.blocks = blocks
}
func (solver *Solver) generate_blocks() []int {
var blocks []int
decvals := [9]int{49, 50, 51, 52, 53, 54, 55, 56, 57}
for counter := 123456789; counter <= 987654321; counter++ {
// Convert number to string ([]byte)
digits := strconv.Itoa(counter)
// Check if every number is only represented only once
var valid bool
valid = true
for decval := range decvals {
var count int
for digit := range digits {
if digits[digit] == byte(decvals[decval]) {
count = count + 1
}
}
if count != 1 {
valid = false
}
}
if valid {
blocks = append(blocks, counter)
}
}
return blocks
}

220
solver/processing.go Normal file
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@ -0,0 +1,220 @@
package solver
import (
"fmt"
"runtime"
"strconv"
)
func (solver *Solver) find_blocks(row *string, rows *[]int) {
// Declare selection
var selection []int
var curr_blocks []int
func_row := *row
// fmt.Println(row)
for letter := range func_row {
if len(selection) == 0 {
curr_blocks = solver.blocks
} else {
curr_blocks = selection
selection = nil
}
for block := range curr_blocks {
curr_row := strconv.Itoa(curr_blocks[block])
if func_row[letter] == curr_row[letter] {
found_row, _ := strconv.Atoi(curr_row)
selection = append(selection, found_row)
}
if func_row[letter] == '0' {
found_row, _ := strconv.Atoi(curr_row)
selection = append(selection, found_row)
}
} // End for-loop
} // End for-loop
*rows = selection
}
func (solver *Solver) check_combinations() {
// for rows1_index := range solver.row1s {
// solver.wg.Add(1)
// go solver.routine_row1(rows1_index)
// }
// solver.wg.Wait()
for rows1_index := range solver.row1s {
for rows2_index := range solver.row2s {
for rows3_index := range solver.row3s {
for rows4_index := range solver.row4s {
for rows5_index := range solver.row5s {
for rows6_index := range solver.row6s {
for rows7_index := range solver.row7s {
for rows8_index := range solver.row8s {
defer solver.wg.Done()
solver.wg.Add(1)
go solver.routine_row8(rows1_index, rows2_index, rows3_index, rows4_index, rows5_index, rows6_index, rows7_index, rows8_index)
// for rows9_index := range solver.row9s {
// go solver.routine_validator(rows1_index, rows2_index, rows3_index, rows4_index, rows5_index, rows6_index, rows7_index, rows8_index, rows9_index)
// // }
// }
}
}
}
}
}
}
}
}
}
func (solver *Solver) routine_row1(index1 int) {
defer solver.wg.Done()
for index2 := range solver.row2s {
solver.wg.Add(1)
go solver.routine_row2(index1, index2)
}
}
func (solver *Solver) routine_row2(index1 int, index2 int) {
defer solver.wg.Done()
for index3 := range solver.row3s {
solver.wg.Add(1)
go solver.routine_row3(index1, index2, index3)
}
}
func (solver *Solver) routine_row3(index1 int, index2 int, index3 int) {
defer solver.wg.Done()
for index4 := range solver.row4s {
solver.wg.Add(1)
go solver.routine_row4(index1, index2, index3, index4)
}
}
func (solver *Solver) routine_row4(index1 int, index2 int, index3 int, index4 int) {
defer solver.wg.Done()
for index5 := range solver.row5s {
solver.wg.Add(1)
go solver.routine_row5(index1, index2, index3, index4, index5)
}
}
func (solver *Solver) routine_row5(index1 int, index2 int, index3 int, index4 int, index5 int) {
defer solver.wg.Done()
for index6 := range solver.row6s {
solver.wg.Add(1)
go solver.routine_row6(index1, index2, index3, index4, index5, index6)
}
}
func (solver *Solver) routine_row6(index1 int, index2 int, index3 int, index4 int, index5 int, index6 int) {
defer solver.wg.Done()
for index7 := range solver.row7s {
solver.wg.Add(1)
go solver.routine_row7(index1, index2, index3, index4, index5, index6, index7)
}
}
func (solver *Solver) routine_row7(index1 int, index2 int, index3 int, index4 int, index5 int, index6 int, index7 int) {
defer solver.wg.Done()
for index8 := range solver.row8s {
solver.wg.Add(1)
go solver.routine_row8(index1, index2, index3, index4, index5, index6, index7, index8)
}
}
func (solver *Solver) routine_row8(index1 int, index2 int, index3 int, index4 int, index5 int, index6 int, index7 int, index8 int) {
defer solver.wg.Done()
for index9 := range solver.row9s {
solver.wg.Add(1)
go solver.routine_row9(index1, index2, index3, index4, index5, index6, index7, index8, index9)
}
}
func (solver *Solver) routine_row9(index1 int, index2 int, index3 int, index4 int, index5 int, index6 int, index7 int, index8 int, index9 int) {
defer solver.wg.Done()
solver.wg.Add(1)
go solver.routine_validator(index1, index2, index3, index4, index5, index6, index7, index8, index9)
}
func (solver *Solver) routine_validator(rows1_index int, rows2_index int, rows3_index int, rows4_index int, rows5_index int, rows6_index int, rows7_index int, rows8_index int, rows9_index int) {
var percentage float32
if solver.validate_combination(solver.row1s[rows1_index], solver.row2s[rows2_index], solver.row3s[rows3_index], solver.row4s[rows4_index], solver.row5s[rows5_index], solver.row6s[rows6_index], solver.row7s[rows7_index], solver.row8s[rows8_index], solver.row9s[rows9_index]) {
solver.solutions = append(solver.solutions, solver.render_combination(solver.row1s[rows1_index], solver.row2s[rows2_index], solver.row3s[rows3_index], solver.row4s[rows4_index], solver.row5s[rows5_index], solver.row6s[rows6_index], solver.row7s[rows7_index], solver.row8s[rows8_index], solver.row9s[rows9_index]))
}
solver.counter = solver.counter + 1
if solver.counter%1000000 == 0 {
percentage = (float32(solver.counter) / (float32(solver.iter) / 100))
fmt.Println("Processing:", percentage, "%; Procs:", runtime.NumGoroutine())
}
solver.wg.Done()
}
func (solver *Solver) validate_combination(row1 int, row2 int, row3 int, row4 int, row5 int, row6 int, row7 int, row8 int, row9 int) bool {
var retval bool
retval = true
row1s := strconv.Itoa(row1)
row2s := strconv.Itoa(row2)
row3s := strconv.Itoa(row3)
row4s := strconv.Itoa(row4)
row5s := strconv.Itoa(row5)
row6s := strconv.Itoa(row6)
row7s := strconv.Itoa(row7)
row8s := strconv.Itoa(row8)
row9s := strconv.Itoa(row9)
for index := range 9 {
if row1s[index] == row2s[index] || row1s[index] == row3s[index] || row1s[index] == row4s[index] || row1s[index] == row5s[index] || row1s[index] == row6s[index] || row1s[index] == row7s[index] || row1s[index] == row8s[index] || row1s[index] == row9s[index] {
retval = false
}
if row2s[index] == row1s[index] || row2s[index] == row3s[index] || row2s[index] == row4s[index] || row2s[index] == row5s[index] || row2s[index] == row6s[index] || row2s[index] == row7s[index] || row2s[index] == row8s[index] || row2s[index] == row9s[index] {
retval = false
}
if row3s[index] == row1s[index] || row3s[index] == row2s[index] || row3s[index] == row4s[index] || row3s[index] == row5s[index] || row3s[index] == row6s[index] || row3s[index] == row7s[index] || row3s[index] == row8s[index] || row3s[index] == row9s[index] {
retval = false
}
if row4s[index] == row1s[index] || row4s[index] == row2s[index] || row4s[index] == row3s[index] || row4s[index] == row5s[index] || row4s[index] == row6s[index] || row4s[index] == row7s[index] || row4s[index] == row8s[index] || row4s[index] == row9s[index] {
retval = false
}
if row5s[index] == row1s[index] || row5s[index] == row2s[index] || row5s[index] == row3s[index] || row5s[index] == row4s[index] || row5s[index] == row6s[index] || row5s[index] == row7s[index] || row5s[index] == row8s[index] || row5s[index] == row9s[index] {
retval = false
}
if row6s[index] == row1s[index] || row6s[index] == row2s[index] || row6s[index] == row3s[index] || row6s[index] == row4s[index] || row6s[index] == row5s[index] || row6s[index] == row7s[index] || row6s[index] == row8s[index] || row6s[index] == row9s[index] {
retval = false
}
if row7s[index] == row1s[index] || row7s[index] == row2s[index] || row7s[index] == row3s[index] || row7s[index] == row4s[index] || row5s[index] == row6s[index] || row7s[index] == row6s[index] || row7s[index] == row8s[index] || row7s[index] == row9s[index] {
retval = false
}
if row8s[index] == row1s[index] || row8s[index] == row2s[index] || row8s[index] == row3s[index] || row8s[index] == row4s[index] || row8s[index] == row5s[index] || row8s[index] == row6s[index] || row8s[index] == row7s[index] || row8s[index] == row9s[index] {
retval = false
}
if row9s[index] == row1s[index] || row9s[index] == row2s[index] || row9s[index] == row3s[index] || row9s[index] == row4s[index] || row9s[index] == row5s[index] || row9s[index] == row6s[index] || row9s[index] == row7s[index] || row9s[index] == row8s[index] {
retval = false
}
}
return retval
}

42
solver/solver.go Normal file
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package solver
import (
"fmt"
"sync"
)
func Run() {
solver := Solver{}
solver.row1 = "769104802"
solver.row2 = "154800060"
solver.row3 = "002700150"
solver.row4 = "600900308"
solver.row5 = "045328670"
solver.row6 = "328670945"
solver.row7 = "597410280"
solver.row8 = "006283090"
solver.row9 = "200590006"
solver.wg = sync.WaitGroup{}
solver.load_blocks()
fmt.Println("Total blocks:", len(solver.blocks))
// Find rows that fit with the entered rows
solver.find_blocks(&solver.row1, &solver.row1s)
solver.find_blocks(&solver.row2, &solver.row2s)
solver.find_blocks(&solver.row3, &solver.row3s)
solver.find_blocks(&solver.row4, &solver.row4s)
solver.find_blocks(&solver.row5, &solver.row5s)
solver.find_blocks(&solver.row6, &solver.row6s)
solver.find_blocks(&solver.row7, &solver.row7s)
solver.find_blocks(&solver.row8, &solver.row8s)
solver.find_blocks(&solver.row9, &solver.row9s)
solver.iter = len(solver.row1s) * len(solver.row2s) * len(solver.row3s) * len(solver.row4s) * len(solver.row5s) * len(solver.row6s) * len(solver.row7s) * len(solver.row8s) * len(solver.row9s)
fmt.Println("Number of iterations:", solver.iter)
solver.check_combinations()
fmt.Println(solver.solutions)
}

28
solver/stash.go Normal file
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package solver
import (
"fmt"
"strconv"
)
func (solver *Solver) render_combination(row1 int, row2 int, row3 int, row4 int, row5 int, row6 int, row7 int, row8 int, row9 int) string {
row1s := strconv.Itoa(row1)
row2s := strconv.Itoa(row2)
row3s := strconv.Itoa(row3)
row4s := strconv.Itoa(row4)
row5s := strconv.Itoa(row5)
row6s := strconv.Itoa(row6)
row7s := strconv.Itoa(row7)
row8s := strconv.Itoa(row8)
row9s := strconv.Itoa(row9)
// combination = row1s + "\n" + row2s + "\n" + row3s + "\n" + row4s + "\n" + row5s + "\n" + row6s + "\n" + row7s + "\n" + row8s + "\n" + row9s + "\n"
return row1s + "\n" + row2s + "\n" + row3s + "\n" + row4s + "\n" + row5s + "\n" + row6s + "\n" + row7s + "\n" + row8s + "\n" + row9s + "\n"
}
func (solver *Solver) print_block(block int) {
digits := strconv.Itoa(block)
fmt.Printf("%c %c %c\n%c %c %c\n%c %c %c\n\n", digits[0], digits[1], digits[2], digits[3], digits[4], digits[5], digits[6], digits[7], digits[8])
}

29
solver/types.go Normal file
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package solver
import "sync"
type Solver struct {
blocks []int
row1 string
row2 string
row3 string
row4 string
row5 string
row6 string
row7 string
row8 string
row9 string
row1s []int
row2s []int
row3s []int
row4s []int
row5s []int
row6s []int
row7s []int
row8s []int
row9s []int
iter int
counter int
solutions []string
wg sync.WaitGroup
}