commit a16869892ffbd4a43473e5ffd0cce452287a1ae5
parent 594e0a238dd578db565948bdaaee57c252bbc142
Author: aabacchus <ben@bvnf.space>
Date: Sun, 4 Dec 2022 13:47:58 +0000
22.4 in C
Diffstat:
| A | 2022/04/a.c | | | 52 | ++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | 2022/04/example | | | 6 | ++++++ |
| A | 2022/04/input | | | 1000 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
3 files changed, 1058 insertions(+), 0 deletions(-)
diff --git a/2022/04/a.c b/2022/04/a.c
@@ -0,0 +1,52 @@
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+struct pair {
+ int min, max;
+};
+
+int
+main(int argc, char **argv) {
+ char *buf = NULL;
+ size_t buflen = 0;
+ ssize_t n;
+ FILE *f;
+ struct pair p[2] = {0};
+ int part_a = 0, part_b = 0;
+
+ if (argc != 2) {
+ fprintf(stderr, "usage: %s input\n", argv[0]);
+ return 1;
+ }
+
+ f = fopen(argv[1], "r");
+ if (f == NULL) {
+ perror(argv[1]);
+ return 1;
+ }
+
+ while ((n = getline(&buf, &buflen, f)) != -1) {
+ if (buf[n - 1] == '\n') {
+ buf[n - 1] = '\0';
+ n--;
+ }
+ if (4 != sscanf(buf, "%d-%d,%d-%d", &p[0].min, &p[0].max, &p[1].min, &p[1].max)) {
+ perror("sscanf");
+ return 1;
+ }
+ if ((p[0].min <= p[1].min && p[0].max >= p[1].max) ||
+ (p[1].min <= p[0].min && p[1].max >= p[0].max)) {
+ part_a++;
+ part_b++;
+ } else if ((p[0].min <= p[1].min && p[0].max >= p[1].min) ||
+ (p[1].min <= p[0].min && p[1].max >= p[0].min)) {
+ part_b++;
+ }
+ }
+ printf("PART A: %d\n", part_a);
+ printf("PART B: %d\n", part_b);
+ free(buf);
+ fclose(f);
+ return 0;
+}
diff --git a/2022/04/example b/2022/04/example
@@ -0,0 +1,6 @@
+2-4,6-8
+2-3,4-5
+5-7,7-9
+2-8,3-7
+6-6,4-6
+2-6,4-8
diff --git a/2022/04/input b/2022/04/input
@@ -0,0 +1,1000 @@
+71-97,71-72
+60-97,20-95
+20-59,58-59
+24-83,3-82
+48-96,33-47
+49-49,10-50
+48-86,6-85
+71-72,27-72
+46-83,29-84
+10-52,1-53
+38-84,37-39
+48-48,39-48
+42-87,43-96
+1-99,78-98
+23-39,1-38
+30-30,13-30
+8-37,7-38
+13-85,57-84
+1-97,2-98
+7-99,6-98
+14-99,13-91
+2-87,8-88
+51-66,66-66
+66-98,97-98
+41-73,84-85
+37-95,36-94
+4-22,11-38
+25-90,25-50
+50-97,51-89
+10-86,9-86
+78-93,56-77
+56-84,56-79
+43-48,43-49
+43-96,98-98
+66-76,59-68
+12-15,11-59
+3-85,12-84
+50-74,50-75
+1-7,2-6
+10-11,11-58
+15-96,16-99
+20-87,23-88
+39-79,39-78
+96-98,7-97
+14-74,13-14
+3-99,98-99
+43-47,43-62
+79-83,75-84
+10-13,15-15
+8-91,8-9
+68-74,47-97
+74-88,75-79
+48-97,49-97
+58-96,58-98
+28-60,61-73
+3-99,28-87
+89-90,91-91
+10-40,4-10
+2-97,1-97
+22-24,22-24
+75-76,55-76
+42-83,42-82
+35-95,25-95
+10-27,9-11
+12-83,13-37
+37-97,36-38
+3-30,4-30
+31-51,31-32
+26-28,27-46
+44-46,45-90
+19-82,27-77
+44-92,43-85
+22-54,5-53
+6-98,4-99
+4-4,4-40
+30-99,30-31
+59-59,60-90
+21-95,19-94
+22-43,21-67
+69-72,72-72
+70-94,71-93
+13-15,13-14
+23-90,22-89
+93-94,4-94
+1-21,3-20
+4-68,5-69
+27-29,28-95
+47-47,47-48
+26-54,25-55
+16-81,80-80
+31-33,32-60
+25-82,26-51
+16-73,72-72
+95-95,33-95
+12-72,13-43
+36-95,35-36
+19-94,9-43
+7-7,5-15
+9-96,9-99
+9-91,8-8
+46-62,34-85
+83-84,31-84
+52-56,46-63
+44-85,59-86
+43-70,43-70
+21-38,39-78
+58-58,6-57
+1-99,99-99
+12-90,40-89
+34-67,35-73
+15-97,14-96
+46-98,46-96
+52-70,42-77
+4-23,3-23
+55-82,81-83
+48-84,25-83
+31-92,92-98
+6-93,5-98
+14-39,15-38
+17-58,17-18
+7-16,24-94
+16-71,85-97
+1-95,16-86
+32-60,57-68
+74-96,55-97
+36-95,97-97
+76-78,27-77
+47-84,59-75
+15-37,4-16
+1-97,1-98
+27-78,28-77
+97-98,10-94
+37-97,97-97
+89-89,4-90
+21-28,21-94
+41-90,4-41
+1-93,93-96
+99-99,6-99
+11-13,12-95
+16-22,4-22
+7-89,90-90
+4-58,19-79
+9-84,68-84
+80-85,34-84
+1-70,71-84
+64-74,74-74
+58-80,58-70
+7-59,7-8
+17-19,9-17
+22-34,34-84
+66-76,66-66
+97-99,17-95
+47-97,39-45
+35-36,35-88
+9-79,41-80
+10-11,10-41
+4-14,15-90
+95-96,1-96
+36-92,69-93
+1-7,8-84
+32-39,32-39
+8-94,7-9
+34-50,7-52
+71-94,71-96
+2-47,1-95
+4-5,8-93
+34-66,21-65
+26-95,26-97
+60-82,59-61
+39-96,39-98
+15-22,22-50
+12-82,13-13
+15-63,62-62
+1-99,2-55
+11-26,16-91
+24-76,76-77
+3-6,7-92
+62-93,61-92
+33-83,32-84
+4-99,2-2
+11-21,22-98
+45-46,45-64
+26-30,21-35
+78-99,29-77
+55-73,5-91
+3-4,14-98
+3-93,92-92
+51-77,77-77
+7-90,90-90
+4-67,4-68
+10-95,10-96
+79-89,80-83
+3-86,17-87
+32-77,32-78
+31-72,10-25
+48-50,2-53
+29-58,28-59
+75-77,15-76
+2-76,1-75
+15-15,14-63
+75-85,76-96
+42-97,15-28
+20-98,97-98
+21-64,21-64
+11-95,95-96
+68-96,69-79
+5-89,6-90
+38-72,73-90
+43-97,42-98
+67-83,74-84
+69-87,69-87
+10-12,11-60
+12-67,11-85
+1-3,6-88
+8-80,17-81
+3-47,2-58
+74-74,37-75
+47-99,47-48
+21-78,6-51
+86-87,16-87
+3-86,87-87
+92-96,17-91
+54-85,54-87
+23-24,23-87
+62-91,62-92
+14-49,14-50
+29-93,94-97
+2-3,2-91
+53-57,57-57
+15-44,43-44
+1-37,2-37
+8-19,23-24
+19-20,6-20
+1-7,6-46
+3-26,1-77
+3-6,3-47
+30-80,96-96
+23-70,69-69
+51-52,52-89
+42-82,83-89
+86-97,13-86
+16-45,1-1
+14-77,4-13
+15-81,81-81
+87-87,30-88
+89-89,30-88
+21-22,21-95
+90-94,23-89
+67-67,1-66
+19-99,43-99
+2-97,5-98
+6-78,6-62
+8-9,8-9
+1-13,1-9
+91-95,92-95
+68-86,69-96
+4-26,25-68
+17-96,18-96
+65-65,64-65
+2-99,3-98
+24-97,25-68
+36-57,7-35
+52-89,87-88
+3-96,3-3
+2-34,2-18
+82-96,82-98
+29-30,4-30
+32-73,31-73
+72-98,99-99
+12-32,11-57
+11-86,7-9
+81-82,5-82
+8-94,93-94
+45-68,57-61
+49-50,24-50
+8-78,44-91
+28-29,29-98
+50-82,4-48
+71-71,20-70
+6-17,23-58
+61-73,23-70
+74-90,36-95
+6-14,9-12
+16-78,2-9
+2-92,2-90
+32-40,39-41
+69-69,44-69
+22-59,21-50
+30-66,30-67
+17-97,54-98
+89-97,84-96
+11-93,11-96
+55-80,80-84
+59-87,59-95
+4-81,9-80
+4-96,1-95
+21-95,21-94
+7-40,39-40
+5-98,5-92
+30-32,31-53
+10-88,11-88
+5-36,36-36
+97-98,16-98
+12-83,10-13
+19-68,20-67
+42-42,11-42
+9-11,10-67
+10-88,9-10
+12-70,12-13
+30-69,37-66
+1-95,2-6
+97-98,12-98
+40-46,41-47
+28-91,29-73
+1-5,6-82
+82-92,4-82
+10-91,11-92
+21-93,92-92
+14-58,57-58
+8-79,7-9
+27-94,26-27
+13-22,23-99
+11-11,17-64
+19-71,18-88
+1-13,1-3
+50-68,49-67
+13-14,13-37
+40-90,40-61
+21-95,22-95
+38-39,38-46
+44-95,64-81
+56-57,2-57
+64-85,7-63
+4-99,3-99
+32-90,90-98
+43-63,42-44
+58-58,43-57
+79-80,27-78
+27-72,1-26
+89-91,39-90
+31-43,43-43
+71-90,71-90
+13-95,14-96
+17-77,77-77
+60-62,59-65
+33-35,7-50
+2-8,5-5
+24-61,24-25
+6-74,73-73
+18-18,20-94
+29-54,41-55
+4-43,5-43
+39-69,43-70
+47-48,47-79
+5-6,6-85
+12-12,12-12
+12-91,12-90
+44-64,66-69
+47-58,46-58
+60-99,79-99
+56-86,86-86
+8-98,1-7
+59-59,10-58
+19-41,42-97
+76-94,6-95
+20-69,68-99
+36-63,35-36
+2-15,3-14
+16-28,15-17
+75-92,40-71
+4-61,11-62
+14-66,14-15
+6-70,29-69
+95-96,9-96
+68-89,68-69
+2-75,1-74
+97-97,12-97
+58-86,22-87
+3-4,3-97
+21-68,49-69
+88-88,32-87
+45-93,46-89
+12-92,12-93
+51-75,71-71
+24-29,28-29
+5-6,5-71
+33-34,33-80
+55-94,94-94
+50-64,50-63
+55-92,82-86
+32-34,33-47
+9-13,12-78
+5-99,35-57
+25-53,6-24
+7-85,6-96
+27-72,15-73
+61-74,36-95
+27-62,59-61
+4-82,4-86
+23-79,24-26
+24-43,17-44
+43-74,42-44
+39-84,38-99
+55-85,54-57
+2-78,1-3
+20-71,19-46
+25-38,25-26
+49-77,49-76
+1-2,1-68
+12-21,11-65
+17-82,17-56
+8-92,14-93
+1-52,4-51
+78-78,2-70
+9-42,8-41
+33-64,32-67
+22-68,22-61
+7-82,4-8
+24-42,36-37
+96-96,30-95
+68-68,14-67
+13-78,78-78
+39-70,17-38
+62-93,63-93
+19-64,19-64
+15-83,16-44
+33-34,34-49
+2-65,58-64
+5-53,4-84
+53-54,53-74
+3-58,1-65
+2-5,9-15
+3-39,21-40
+54-57,54-56
+25-62,25-61
+12-94,10-10
+74-75,74-89
+14-85,13-29
+4-76,3-88
+5-55,4-55
+55-93,54-93
+13-48,9-12
+23-56,23-24
+32-71,32-40
+23-94,22-24
+1-99,98-98
+22-75,31-44
+7-96,7-97
+11-12,14-34
+4-98,3-5
+58-94,59-94
+13-70,13-88
+38-40,20-39
+2-88,58-87
+35-81,4-81
+31-82,81-81
+24-93,8-25
+19-96,95-98
+18-64,19-65
+22-40,31-39
+43-75,81-82
+16-27,1-28
+7-28,6-28
+71-79,71-72
+1-99,11-98
+11-12,11-97
+2-75,3-76
+21-79,80-91
+5-49,5-6
+54-55,16-55
+12-97,12-96
+42-83,73-82
+61-84,83-84
+33-82,83-83
+42-85,43-86
+27-71,26-71
+39-39,8-38
+20-25,17-24
+98-99,15-96
+4-92,4-92
+34-82,34-99
+39-43,9-44
+17-29,30-91
+1-98,97-98
+25-92,24-92
+44-68,45-67
+7-22,7-62
+56-95,97-99
+41-79,41-42
+48-89,48-96
+46-96,95-97
+18-88,18-19
+86-87,9-87
+1-1,1-97
+91-97,65-92
+15-80,15-26
+46-98,60-82
+45-70,44-46
+16-83,16-83
+37-55,54-60
+7-57,8-16
+9-27,70-88
+8-72,7-28
+90-91,17-83
+2-64,3-93
+21-46,10-38
+33-88,33-89
+89-90,87-90
+58-59,57-61
+26-94,25-93
+35-48,35-70
+4-75,5-75
+19-22,18-31
+4-94,4-98
+11-74,20-75
+40-67,17-36
+21-22,21-96
+7-43,22-35
+21-89,88-89
+3-44,44-45
+41-62,41-42
+34-60,37-59
+14-69,13-15
+28-76,22-22
+12-51,35-52
+13-98,59-70
+62-91,62-96
+7-88,87-89
+31-32,31-47
+4-99,5-99
+6-9,10-54
+16-33,33-33
+5-97,4-98
+10-52,52-56
+7-8,5-9
+39-66,39-46
+10-45,10-45
+37-89,37-92
+30-31,30-90
+49-82,25-48
+59-71,61-66
+73-87,19-72
+14-97,14-97
+4-63,62-84
+3-97,2-4
+7-64,8-65
+15-16,15-96
+19-66,20-60
+19-35,34-47
+10-10,9-59
+7-9,8-9
+62-99,62-80
+7-92,7-88
+11-42,41-41
+2-2,2-70
+2-68,69-69
+41-81,41-82
+67-96,99-99
+91-93,45-86
+5-87,86-91
+9-13,1-4
+1-97,98-98
+5-27,5-26
+68-86,68-68
+30-40,31-40
+40-81,81-92
+1-91,3-63
+11-96,37-84
+18-61,14-17
+12-75,15-82
+31-52,23-53
+2-74,6-82
+94-95,10-95
+54-54,50-53
+37-68,37-50
+27-75,26-76
+9-30,8-10
+46-74,68-68
+26-39,18-50
+44-45,39-39
+96-97,67-95
+30-90,75-89
+30-85,6-86
+90-92,58-91
+33-36,32-36
+65-96,65-66
+35-69,59-63
+27-47,26-27
+16-86,74-90
+46-78,78-79
+22-85,22-86
+95-95,14-94
+58-59,17-59
+33-58,33-72
+75-75,41-75
+15-35,36-49
+20-90,27-91
+8-69,9-70
+64-99,65-84
+5-80,1-80
+1-2,2-99
+23-32,28-29
+54-56,53-61
+13-56,55-56
+86-87,5-67
+6-88,6-72
+26-95,26-96
+75-85,4-75
+1-44,1-44
+4-7,20-50
+5-96,99-99
+19-69,18-69
+38-91,92-98
+99-99,17-97
+11-22,10-27
+14-76,12-97
+3-54,2-53
+46-81,82-91
+14-15,33-99
+34-35,17-35
+5-79,2-63
+10-57,9-74
+16-38,39-89
+83-86,30-82
+9-72,8-35
+10-70,69-70
+51-86,81-91
+4-72,4-71
+31-91,20-28
+33-98,30-32
+27-87,86-87
+45-45,47-88
+5-57,5-47
+16-90,15-89
+21-99,18-85
+2-34,33-68
+44-58,35-57
+8-65,8-66
+15-39,16-40
+47-67,3-48
+18-84,19-84
+4-98,99-99
+34-77,34-76
+50-50,50-63
+98-99,2-99
+41-95,41-42
+34-48,35-48
+85-94,95-96
+13-38,22-38
+81-82,18-81
+8-86,22-86
+62-97,34-70
+26-73,25-73
+53-58,35-53
+58-80,79-81
+14-41,7-13
+2-21,4-22
+12-98,11-97
+7-73,6-73
+1-94,1-96
+26-82,25-27
+23-76,45-77
+7-78,7-78
+29-72,72-72
+7-8,7-37
+12-24,13-25
+88-91,32-89
+17-76,16-23
+23-40,2-14
+99-99,15-88
+8-85,2-86
+10-89,18-90
+8-97,7-93
+8-98,8-97
+2-12,3-63
+90-90,4-90
+7-23,15-22
+50-96,9-26
+10-80,4-9
+1-85,84-85
+20-22,21-70
+20-83,4-21
+8-32,7-33
+25-45,34-46
+5-34,34-97
+19-91,90-91
+16-96,78-95
+9-64,10-63
+7-8,8-55
+32-50,2-31
+4-16,16-16
+8-99,44-97
+48-73,58-74
+50-80,49-49
+57-58,29-58
+72-76,72-74
+59-75,75-85
+19-98,34-97
+7-94,99-99
+2-95,3-95
+61-78,61-79
+96-98,13-97
+27-82,50-90
+98-99,4-99
+2-95,1-88
+5-66,3-70
+13-26,23-42
+25-55,24-55
+56-56,56-56
+50-98,97-97
+33-85,3-32
+6-45,46-64
+6-57,59-88
+64-72,64-65
+30-92,30-92
+5-46,1-5
+5-89,4-70
+16-69,16-68
+4-88,4-81
+4-94,3-93
+44-47,44-46
+21-38,21-46
+81-86,80-86
+41-96,64-87
+37-73,37-73
+15-75,1-99
+2-36,2-35
+3-94,1-2
+3-87,87-88
+9-9,7-9
+12-97,96-98
+42-89,88-89
+29-85,30-50
+3-4,3-94
+57-92,58-93
+16-95,2-8
+1-98,10-90
+31-65,31-72
+5-87,4-5
+40-45,46-75
+88-95,46-98
+26-87,8-17
+24-27,23-27
+12-99,12-97
+5-99,6-99
+68-77,31-42
+68-91,68-87
+35-35,5-35
+2-66,2-3
+20-32,20-33
+8-88,6-88
+8-82,9-81
+10-97,11-97
+12-59,13-59
+17-32,23-63
+14-15,15-19
+99-99,21-89
+94-99,36-93
+60-65,43-67
+8-97,9-58
+10-52,27-32
+85-91,84-90
+34-88,5-87
+18-43,15-17
+4-99,3-99
+2-97,18-79
+16-56,40-84
+5-5,7-91
+11-97,11-99
+76-77,77-77
+11-90,94-97
+22-23,1-23
+6-43,5-99
+7-85,84-85
+11-12,12-92
+8-89,6-75
+44-64,45-63
+51-95,8-29
+21-54,20-77
+20-87,20-84
+11-25,24-24
+52-54,52-55
+15-16,19-66
+54-91,13-53
+35-98,35-41
+47-48,6-48
+83-89,82-83
+27-83,26-28
+38-92,93-96
+51-76,51-63
+1-3,7-13
+10-96,11-47
+58-98,2-95
+69-69,61-73
+4-89,2-3
+7-58,3-15
+76-93,8-94
+5-20,4-19
+16-23,16-17
+30-85,31-85
+16-70,15-16
+67-67,52-68
+30-99,29-31
+49-71,55-70
+32-94,94-94
+82-93,24-83
+31-94,32-40
+62-79,62-80
+9-84,9-9
+8-97,1-97
+36-37,36-51
+76-77,53-77
+47-49,17-48
+73-75,55-77
+50-85,51-86
+63-63,53-62
+5-15,5-5
+19-99,19-90
+2-63,2-22
+21-75,22-22
+18-97,19-69
+79-92,11-91
+13-23,23-23
+4-94,3-3
+6-82,19-83
+34-50,35-37
+15-99,15-96
+5-58,4-57
+19-56,46-93
+11-73,12-78
+37-42,26-41
+53-65,30-39
+46-47,45-47
+56-99,55-97
+82-86,44-83
+49-55,37-48
+3-96,96-96
+46-52,45-52
+2-36,9-37
+99-99,1-99
+11-70,18-91
+60-75,74-75
+6-97,6-96
+33-66,4-95
+15-58,34-59
+19-86,18-19
+25-43,30-81
+11-66,10-65
+2-49,1-99
+55-77,76-78
+61-87,75-79
+3-93,2-92
+2-2,5-56
+5-99,9-98
+34-46,46-84
+35-36,35-86
+15-17,16-43
+46-51,50-55
+8-8,7-17
+5-98,4-87
+44-58,43-58
+5-41,5-42
+6-27,10-16
+78-78,40-79
+17-88,29-87
+12-69,12-69
+26-78,26-58
+77-95,95-95
+42-49,46-48
+19-69,19-97
+33-77,76-76
+47-49,48-76
+3-99,3-4
+7-34,33-34
+61-91,92-99
+67-83,9-83
+10-91,90-91
+42-83,42-43
+29-31,35-90
+8-80,8-74
+8-95,8-99
+7-80,5-8
+5-12,11-12
+8-89,7-93
+42-93,42-94
+29-85,28-84
+72-72,72-90
+59-77,77-77
+96-99,23-97
+16-30,30-84
+8-69,8-68
+2-98,2-98
+44-98,43-98
+5-6,5-98
+9-90,11-51
+1-3,2-98
+15-69,55-70
+6-94,6-94
+88-89,21-89
+62-79,78-78
+2-71,47-72
+53-61,22-60
+93-97,10-92
+64-64,65-70
+10-10,6-13
+21-78,81-95
+88-94,2-88
+13-62,13-14
+67-67,58-67
+33-38,13-39
+40-51,4-39
+18-86,86-92
+10-97,10-97
+5-13,10-40
+4-94,3-5
+11-71,10-12
+27-31,25-27
+6-95,4-4
+5-99,14-98
+12-71,57-72
+39-76,39-76
+57-76,48-81
+20-64,20-94
+25-25,24-26
+14-74,8-13
+5-92,5-91
+1-96,1-96
+8-51,4-56
+5-95,15-96
+24-80,30-45
+31-98,31-94
+1-33,33-56
+38-54,23-39
+61-83,43-77
+30-38,13-37
+10-71,10-11
+41-59,42-60
+4-49,5-50
+14-14,2-85
+4-7,1-2
+91-92,3-91
+3-78,23-77
+13-74,85-96
+53-86,14-33
+67-95,66-94
+12-13,12-93
+4-99,3-47
+19-86,20-85
+5-98,5-90
+3-89,3-90
+66-67,63-67
+55-72,14-71
+4-5,5-80
+17-94,16-94
+18-71,36-70
+45-49,44-49
+27-90,27-82
+15-31,15-30
+8-57,28-98
+1-41,1-42
+19-20,19-41
+15-92,91-92
+37-73,10-36
+26-63,63-71
+27-30,28-81
+22-87,22-23
+56-56,1-56
+59-89,27-58
+88-89,56-87
+32-39,32-66
+96-96,2-97
+25-56,24-56
+3-94,4-95
+20-93,5-92
+16-70,42-71
+4-89,8-90
+20-83,20-82
+31-88,30-88
+73-73,3-72
+11-97,9-99
+3-23,22-52
+21-96,20-83
+4-65,5-21
+37-37,8-37
+4-95,2-4
+10-71,11-73
+35-81,36-81
+1-5,6-79
+28-39,27-39
+2-92,1-85
+12-97,62-96
+20-91,21-91
+88-98,3-70
+20-66,74-76
+84-99,47-84
+17-95,18-93
+57-78,49-78
+15-17,16-81
+51-84,41-54
+49-74,22-92
