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