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Day 04

master
Jan-Lukas Else 7 months ago
parent
commit
cb623d32f8
  1. 601
      04/input.txt
  2. 174
      04/main.go
  3. 17
      04/main_test.go
  4. 19
      04/test.txt

601
04/input.txt

@ -0,0 +1,601 @@
17,11,37,7,89,48,99,28,56,55,57,27,83,59,53,72,6,87,33,82,13,23,35,40,71,47,78,2,39,4,51,1,67,31,79,69,15,73,80,22,92,95,91,43,26,97,36,34,12,96,86,52,66,94,61,76,64,77,85,98,42,68,84,63,60,30,65,19,54,58,24,20,25,75,93,16,18,44,14,88,45,10,9,3,70,74,81,90,46,38,21,49,29,50,0,5,8,32,62,41
57 80 91 40 12
62 36 72 0 20
55 60 25 92 96
14 2 17 18 86
1 4 90 66 38
1 25 81 16 24
33 40 86 28 96
4 97 90 32 13
50 38 35 14 56
73 42 9 36 67
46 25 28 59 88
33 48 15 0 95
16 30 24 2 71
11 81 58 70 65
37 1 26 94 75
53 56 5 72 99
46 27 23 49 4
3 93 21 65 37
35 7 50 32 24
81 78 52 54 88
76 14 58 84 17
5 89 97 57 15
19 77 35 56 93
31 71 92 2 39
10 27 91 67 47
27 95 74 40 50
49 66 37 80 75
54 70 1 16 41
11 77 61 6 89
71 45 73 23 29
87 72 85 89 18
91 56 54 14 88
84 46 35 9 69
36 66 53 34 17
71 57 4 16 7
35 85 76 2 59
47 51 36 29 22
25 62 86 78 95
61 13 97 99 65
92 52 39 9 73
51 39 78 88 62
79 91 58 50 15
25 82 89 20 1
12 73 7 95 32
54 67 98 77 4
49 38 14 68 13
33 42 44 58 65
15 47 29 84 82
34 94 18 99 11
89 43 23 0 78
90 66 44 50 75
71 57 87 40 98
73 49 13 38 21
35 6 11 91 84
26 14 52 82 56
81 38 54 73 42
16 12 94 36 60
45 98 10 70 46
4 58 96 53 64
48 84 30 0 2
37 16 48 41 97
85 43 78 35 42
39 18 30 44 82
93 74 14 19 56
87 10 80 77 17
27 38 36 91 45
71 33 72 9 89
26 39 25 74 88
1 81 35 86 59
10 63 14 61 53
96 44 76 21 91
82 31 90 4 48
25 85 20 18 75
64 71 98 47 49
11 70 3 8 99
71 73 69 20 39
63 25 28 32 1
8 29 41 36 74
24 59 95 16 76
70 4 68 60 46
35 73 66 20 44
91 87 24 72 90
64 81 84 83 30
93 14 80 49 56
53 94 10 92 34
6 79 37 43 78
81 64 27 26 86
11 80 21 52 93
30 72 23 51 40
12 97 71 38 41
30 74 71 69 78
85 56 23 58 24
32 87 60 29 47
67 19 57 35 14
84 55 52 54 10
81 23 12 54 20
27 67 33 17 15
16 11 40 73 32
72 30 35 7 71
94 68 3 61 84
9 12 73 84 90
99 36 93 62 47
28 54 59 17 74
87 32 15 52 85
31 11 82 1 43
7 92 57 6 71
28 90 78 66 48
25 35 72 58 65
64 68 49 83 2
36 0 52 88 3
31 21 25 76 55
32 53 92 38 6
36 43 64 10 95
96 79 90 8 54
40 18 30 72 71
61 1 52 70 60
47 69 57 74 35
3 34 85 66 14
92 33 7 31 20
29 54 23 38 2
39 49 87 43 11
74 16 42 69 29
17 60 0 38 66
93 31 50 28 40
75 76 12 79 88
93 44 15 97 1
47 14 75 0 28
27 49 45 59 91
7 42 72 86 74
57 3 16 36 79
11 78 4 0 21
71 9 18 88 80
57 16 1 7 75
25 50 70 3 22
23 68 89 19 65
99 17 60 70 66
88 24 30 8 62
49 59 4 29 7
14 81 65 26 36
46 15 80 95 6
70 79 91 85 26
89 63 86 73 82
41 29 6 27 66
59 39 37 17 51
98 11 7 5 15
47 13 36 27 83
55 64 8 87 76
4 2 75 71 28
79 12 85 94 54
45 17 14 30 62
21 20 46 80 25
71 33 36 54 81
76 34 63 40 35
16 24 8 89 82
1 87 64 84 14
43 3 63 50 25
65 14 4 92 60
26 45 49 51 96
74 11 40 46 7
90 67 77 56 68
4 24 92 95 44
68 78 42 6 52
17 23 89 56 38
35 30 55 22 53
73 64 61 34 19
77 50 94 27 31
16 39 12 14 95
24 48 26 71 67
85 3 43 66 82
92 56 8 44 0
37 46 31 67 9
30 89 90 0 75
99 45 73 93 52
24 64 70 56 98
53 48 10 51 14
84 28 33 23 27
53 13 87 1 24
86 16 10 90 62
88 12 99 43 22
40 97 78 77 9
97 43 61 53 90
89 19 7 60 66
5 58 18 16 10
14 13 47 39 20
67 72 51 85 25
54 2 70 69 91
14 23 49 59 7
64 88 33 65 56
31 12 36 73 46
82 87 66 71 95
78 37 84 17 34
64 6 68 74 46
28 39 24 20 55
12 61 97 60 98
56 22 7 8 26
97 46 67 51 92
79 82 63 69 80
83 84 26 10 65
90 35 49 95 14
89 36 17 39 45
56 85 31 43 97
48 84 83 12 28
39 42 14 64 82
98 17 72 29 91
32 6 75 15 37
35 75 70 16 55
60 47 96 51 21
65 52 54 6 3
24 12 72 64 78
8 17 34 83 71
62 34 27 90 22
53 79 40 19 78
52 77 23 60 54
68 47 59 85 31
1 26 45 6 29
64 74 89 6 97
99 94 36 72 32
59 13 42 69 16
66 37 41 55 83
35 75 54 95 57
61 52 9 18 70
41 53 90 94 87
80 20 0 11 42
8 46 63 29 5
34 15 7 91 10
4 90 30 28 64
38 35 42 79 21
37 65 88 83 56
78 11 12 22 50
74 49 81 82 71
99 89 13 71 39
96 78 67 82 59
65 75 55 69 17
16 15 86 27 85
58 46 11 32 9
76 42 24 97 47
72 55 28 32 18
8 65 50 84 71
52 56 36 87 59
20 33 89 46 41
59 84 46 15 11
52 60 31 97 16
67 3 53 10 61
36 80 6 43 2
95 91 14 76 77
89 27 59 4 99
71 56 74 19 5
11 84 61 90 16
29 93 97 24 52
64 88 18 34 50
63 18 38 79 34
17 67 96 87 70
60 2 54 29 81
24 72 12 39 8
59 36 44 97 69
47 87 74 21 73
64 67 89 92 6
95 26 77 65 45
22 69 31 13 61
29 43 68 81 28
12 30 18 91 27
37 4 75 67 72
99 33 19 90 25
86 24 22 52 80
38 62 94 11 44
53 47 36 57 9
14 92 27 29 67
21 87 76 5 60
88 10 54 95 48
32 18 64 8 37
83 53 88 51 46
36 85 31 0 95
58 52 57 2 75
78 74 3 27 20
86 99 7 29 96
48 32 52 95 21
80 20 75 68 29
38 56 94 16 50
99 91 26 6 82
8 93 25 43 61
92 4 79 73 82
68 20 44 15 70
37 69 96 58 53
25 76 86 54 47
38 3 1 33 46
62 84 30 15 35
65 90 46 0 38
87 93 70 26 44
41 1 11 66 14
45 22 55 96 57
31 52 45 82 53
61 15 40 83 68
87 29 8 36 85
26 47 12 37 32
67 4 58 17 65
31 14 4 22 93
47 50 41 29 6
69 63 3 38 7
82 23 75 48 90
73 66 83 87 5
23 71 21 24 29
52 94 84 14 58
70 49 27 96 64
48 66 38 65 89
67 36 19 26 9
2 22 40 34 12
13 78 75 68 36
19 50 79 9 5
95 10 54 71 37
20 63 7 97 31
8 31 88 80 63
33 25 77 37 89
22 49 66 20 43
50 21 30 57 99
9 47 48 26 44
22 28 39 26 57
49 43 37 76 95
83 30 41 50 27
46 51 55 96 47
87 62 24 19 60
48 68 34 73 84
21 28 90 38 4
13 19 27 45 36
32 44 69 37 75
8 60 92 85 58
53 77 25 45 8
34 41 80 79 81
32 65 98 86 91
74 38 50 58 44
56 75 52 33 97
85 12 64 3 58
90 36 27 71 78
44 84 54 87 31
16 50 14 17 93
72 55 97 4 38
99 41 38 68 51
73 25 5 59 9
48 83 36 58 55
31 53 35 64 98
66 80 30 13 92
20 7 90 3 59
83 49 42 26 22
53 56 23 13 19
63 5 74 97 79
1 92 32 73 4
52 79 29 27 14
8 39 0 71 82
18 85 88 81 10
15 2 63 9 23
26 84 12 46 40
56 63 16 1 40
44 18 5 50 80
19 88 25 79 36
17 89 78 76 46
99 29 35 2 10
62 96 27 68 31
34 30 7 8 21
70 22 80 40 42
61 18 98 23 5
38 69 24 78 65
75 12 1 56 73
25 90 9 10 53
18 30 59 76 77
39 40 28 68 46
82 83 42 15 95
47 83 65 24 35
94 30 12 17 63
66 75 56 40 41
67 53 26 27 64
55 22 31 74 11
14 21 4 79 38
52 70 50 44 29
93 67 65 54 73
83 34 97 30 60
27 76 33 6 39
16 62 3 75 84
54 10 1 2 44
21 42 0 99 64
91 45 67 34 82
83 78 17 53 6
83 0 44 31 72
73 19 18 85 45
59 51 11 75 64
90 56 97 46 53
39 32 17 60 10
50 57 93 43 9
63 20 15 5 17
35 48 2 52 60
34 33 90 85 16
13 53 47 59 62
25 75 7 58 98
28 66 20 21 84
16 19 85 89 0
4 63 70 48 61
13 8 23 15 37
19 15 8 88 97
81 70 4 59 72
34 24 39 47 58
11 10 50 18 99
40 16 78 45 74
82 98 67 94 22
43 81 96 38 77
15 6 0 40 62
52 11 83 54 69
12 7 70 5 31
30 57 73 38 85
35 84 25 19 65
17 6 33 54 13
10 24 31 50 88
2 8 1 59 43
34 86 21 13 33
37 20 39 57 66
10 72 98 40 3
83 23 87 11 70
71 24 38 2 58
47 99 60 43 0
66 84 40 29 79
52 58 25 91 55
37 69 22 82 4
65 62 2 31 28
42 10 1 23 3
27 53 46 89 31
55 9 36 49 85
87 73 92 5 61
98 72 86 65 94
6 58 78 75 3
72 84 79 17 71
66 0 90 81 28
94 7 63 76 40
85 82 49 74 65
46 27 38 87 55
93 21 40 61 82
43 75 54 32 77
6 23 84 10 4
92 89 51 0 86
71 6 28 94 26
12 84 39 65 22
73 23 78 2 59
40 66 83 91 92
67 25 64 42 41
43 92 81 83 99
59 18 23 78 94
89 40 47 56 4
24 73 9 29 60
5 26 51 68 6
59 7 83 32 72
46 82 58 78 44
70 45 64 84 38
34 8 79 1 81
41 98 48 33 18
68 30 32 16 88
33 76 41 99 60
11 38 14 49 65
89 58 24 26 34
70 92 29 64 94
78 87 15 29 5
75 54 63 20 33
84 88 25 80 11
93 73 92 39 22
2 10 4 82 77
93 33 71 39 3
27 42 76 12 13
20 64 52 37 72
94 21 23 99 91
95 97 10 63 92
30 65 97 73 85
90 60 34 1 37
79 47 40 31 9
62 51 15 19 76
96 77 64 72 71
69 88 51 14 64
77 12 96 46 58
89 2 49 80 37
32 62 44 23 84
78 97 87 41 85
17 40 61 68 81
52 24 77 30 80
75 88 27 78 87
94 16 36 67 19
95 43 97 46 93
32 60 9 75 98
74 82 94 20 81
47 7 10 76 48
88 11 86 69 67
72 36 83 62 34
26 8 64 47 76
27 15 82 65 80
54 79 84 87 37
97 18 3 93 20
88 7 40 99 35
40 94 6 53 58
45 60 81 64 30
66 55 74 37 7
63 95 23 72 17
80 18 69 89 28
48 83 84 85 3
98 80 50 96 91
18 69 44 62 15
20 88 12 45 28
8 29 0 37 27

174
04/main.go

@ -0,0 +1,174 @@
package main
import (
"log"
"os"
"strconv"
"strings"
"github.com/thoas/go-funk"
)
func main() {
inputBytes, _ := os.ReadFile("input.txt")
inputs := strings.Split(string(inputBytes), "\n")
log.Println("Puzzle 1:", puzzle1(inputs))
log.Println("Puzzle 2:", puzzle2(inputs))
}
func puzzle1(input []string) int {
called, bingos := parseBingos(input)
// Iterate through called numbers
lastCalledNumber := -1
firstBingo := -1
callnumbers:
for _, calledNumber := range called {
lastCalledNumber = calledNumber
// Replace called number in every bingo with -1
for _, bingo := range bingos {
for i := 0; i < 5; i++ {
for j := 0; j < 5; j++ {
if bingo[i][j] == calledNumber {
bingo[i][j] = -1
}
}
}
}
// Check if any bingo has row or column with sum of just 0
for b, bingo := range bingos {
// Check rows
for i := 0; i < 5; i++ {
if funk.SumInt(bingo[i]) == -5 {
firstBingo = b
break callnumbers
}
}
// Check columns
for i := 0; i < 5; i++ {
if bingo[0][i]+bingo[1][i]+bingo[2][i]+bingo[3][i]+bingo[4][i] == -5 {
firstBingo = b
break callnumbers
}
}
}
}
// Get sum of remaining numbers in first bingo
sum := 0
for _, row := range bingos[firstBingo] {
for _, number := range row {
if number != -1 {
sum += number
}
}
}
// Return product of sum and last called number
return sum * lastCalledNumber
}
func puzzle2(input []string) int {
called, bingos := parseBingos(input)
// Iterate through called numbers
lastCalledNumber := -1
solvedBingos := []int{}
lastSolvedBingo := -1
callnumbers:
for _, calledNumber := range called {
lastCalledNumber = calledNumber
// Replace called number in every bingo with -1
for _, bingo := range bingos {
for i := 0; i < 5; i++ {
for j := 0; j < 5; j++ {
if bingo[i][j] == calledNumber {
bingo[i][j] = -1
}
}
}
}
// Check if any bingo has row or column with sum of just 0
bingoiter:
for b, bingo := range bingos {
// Skip solved bingos
if funk.ContainsInt(solvedBingos, b) {
continue bingoiter
}
// Check rows
for i := 0; i < 5; i++ {
if funk.SumInt(bingo[i]) == -5 {
// Add bingo to solved bingos
solvedBingos = append(solvedBingos, b)
lastSolvedBingo = b
continue bingoiter
}
}
// Check columns
for i := 0; i < 5; i++ {
if bingo[0][i]+bingo[1][i]+bingo[2][i]+bingo[3][i]+bingo[4][i] == -5 {
// Add bingo to solved bingos
solvedBingos = append(solvedBingos, b)
lastSolvedBingo = b
continue bingoiter
}
}
}
// Check if all bingos but are solved
if len(bingos) == len(solvedBingos) {
break callnumbers
}
}
// Get sum of remaining numbers in last solved bingo
sum := 0
for _, row := range bingos[lastSolvedBingo] {
for _, number := range row {
if number != -1 {
sum += number
}
}
}
// Return product of sum and last called number
return sum * lastCalledNumber
}
func parseBingos(input []string) (called []int, bingos [][][]int) {
// Parse called numbers
called = []int{}
for _, number := range strings.Split(input[0], ",") {
no, _ := strconv.Atoi(number)
called = append(called, no)
}
// Parse bingos
bingos = [][][]int{}
bingoCurrentRow := 0
currentBingo := [][]int{}
for _, line := range input[2:] {
// Trim spaces
line = strings.TrimSpace(line)
// Replace double spaces with single spaces
line = strings.ReplaceAll(line, " ", " ")
// Check if line is empty
if line == "" {
continue
}
// Parse row
row := []int{}
for i, number := range strings.Split(line, " ") {
if i > 4 {
break
}
no, _ := strconv.Atoi(number)
row = append(row, no)
}
// Add row to bingo
currentBingo = append(currentBingo, row)
// Check if bingo is complete
if bingoCurrentRow == 4 {
bingos = append(bingos, currentBingo)
bingoCurrentRow = 0
currentBingo = [][]int{}
} else {
bingoCurrentRow++
}
}
// Return called numbers and bingos
return
}

17
04/main_test.go

@ -0,0 +1,17 @@
package main
import (
"os"
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
func Test(t *testing.T) {
inputBytes, _ := os.ReadFile("test.txt")
inputs := strings.Split(string(inputBytes), "\n")
assert.Equal(t, 4512, puzzle1(inputs))
assert.Equal(t, 1924, puzzle2(inputs))
}

19
04/test.txt

@ -0,0 +1,19 @@
7,4,9,5,11,17,23,2,0,14,21,24,10,16,13,6,15,25,12,22,18,20,8,19,3,26,1
22 13 17 11 0
8 2 23 4 24
21 9 14 16 7
6 10 3 18 5
1 12 20 15 19
3 15 0 2 22
9 18 13 17 5
19 8 7 25 23
20 11 10 24 4
14 21 16 12 6
14 21 17 24 4
10 16 15 9 19
18 8 23 26 20
22 11 13 6 5
2 0 12 3 7
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