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This commit is contained in:
Thomas Muller 2023-12-04 21:54:45 -05:00
parent 00411149e6
commit 26b610936f
4 changed files with 324 additions and 0 deletions
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1
day_3/answer1 Normal file
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507214

159
day_3/aoc2023p1.c Normal file
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#define BREAK_MY_SHIT
#ifdef BREAK_MY_SHIT
#include <linux/module.h> /* Needed by all modules */
#include <linux/kernel.h> /* Needed for KERN_INFO */
#include <linux/init.h> /* Needed for the macros */
#include <linux/ctype.h>
MODULE_LICENSE("Proprietary and Confidential; All Rights Reserved");
MODULE_AUTHOR("Urmomlel");
MODULE_DESCRIPTION("Vanguard Anticheat");
MODULE_VERSION("-6.9");
#else
#include <stdio.h>
#include <ctype.h>
#define __init
#define __exit
#define KERN_INFO
#define printk printf
#endif
#include "input.h"
// #include "hint.h"
// Skip over all non numeric characters
// Return index of first numeric character found
int find_int(const char *line) {
int i = 0;
for(; *line; ++line) {
if(isdigit(*line))
return i;
i++;
}
return -1;
}
// Convert string to int, return digits consumed
int get_int(const char *line, int *num_out) {
int i = 0;
*num_out = 0;
// Handle the edge case that will never happen (tm)
if(!isdigit(*line))
return -1;
for(; *line; ++line,++i) {
if(!isdigit(*line))
break;
*num_out *= 10;
*num_out += *line - 0x30;
}
return i;
}
// Search around an int for "components"
// x x x x x x x
// x [start n n n end] x <-- y
// x x x x x x x
// x is searched area
// [start n end] is where the "part number" is
// Return 1 if found
int search_component(int y, int start, int end) {
int left = start - 1;
int right = end + 1;
int top = y - 1;
int bottom = y + 1;
// Spot check the immediate left and right characters
if(left >= 0 && input[y][left] != '.') return 1;
if(right < input_width && input[y][right] != '.') return 1;
// Check top row
// We can clamp left and right now
if(left < 0) left = 0;
if(right >= input_width) right = input_width - 1;
// Check top row if it is valid
if(top > 0) {
for(int i = left; i <= right; i++)
if(input[top][i] != '.') return 1;
}
// Check bottom row if it is valid
if(bottom < input_height) {
for(int i = left; i <= right; i++)
if(input[bottom][i] != '.') return 1;
}
return 0;
}
static int __init aoc_start(void) {
printk(KERN_INFO "aoc_start\n");
int part_number_count = 0;
for(int y = 0; y < input_height; y++) {
const char *line = input[y];
int head = 0;
while(1) {
// Find a number
printk("line[head] %s\n", &line[head]);
int skipped = find_int(&line[head]);
printk("skipped %d\n", skipped);
if(skipped == -1) break;
head += skipped;
// Save start index so we can pass it to search later
int start = head;
// Read the int
int number = 0;
printk("line[start] %s\n", &line[head]);
int number_num_chars = get_int(&line[head], &number);
if(number_num_chars < 0) {
printk("Bad shit happened\n");
return -1;
}
head += number_num_chars;
printk("number %d\n", number);
printk("n_number %d\n", number_num_chars);
printk("context:\n");
if(y-1 > 0)
printk("%s\n", input[y-1]);
printk("%s\n", input[y]);
if(y+1 < input_height)
printk("%s\n", input[y+1]);
int valid = search_component(y, start, head - 1);
printk("valid %d\n", valid);
if(valid)
part_number_count += number;
}
printk("\n");
}
printk("Part number count: %d\n", part_number_count);
return 0;
}
static void __exit aoc_end(void) {
printk(KERN_INFO "aoc_end\n");
}
#ifdef BREAK_MY_SHIT
module_init(aoc_start);
module_exit(aoc_end);
#else
int main() {
aoc_start();
aoc_end();
}
#endif

17
day_3/hint.h Normal file
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static const char *input[] = {
"467..114..",
"...*......",
"..35..633.",
"......#...",
"617*......",
".....+.58.",
"..592.....",
"......755.",
"...$.*....",
".664.598..",
};
static const int input_height = sizeof(input) / sizeof(input[0]);
// python hax:
// len(one_line_of_this_bullshit)
static const int input_width = 10;

147
day_3/input.h Normal file
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static const char *input[] = {
".....489............................152....503.........................180......200.........147.......13.......................239..........",
"......*.....186.48....681...732........*..................935.........*.....................*......................512............*..874....",
"..806.540......*.........*............249......904...358....*......957..867..863..........857.....264..............@....89=......97..*......",
"......................793........................*...=.....142...........*..*....%...................@......+...............36.......547....",
"...........=335..............906*634..932........201...157.............423..72..103.798.......732........161...............*................",
"..........................*..........*....662.................88....................$..............=........................439.126...269...",
"...905&...74.............795...128...872....*....*.....521.........../......806&.........456.....93..869.........168..............*.........",
"........../..=662.824.........+............863..47........-.700.....437..........316..........................96.*......348*632....138.$932.",
"........-..........*.......................................................465....*.........243......&........*...94..+..........*..........",
"..41...532.......511.....-......$........&....216.................................330...715..../...309........415.....388.....873.287.265...",
"....*...................338...496.......18......*............48........873................@.............493.................................",
"..849.............................136.#......787.........787..$....152..*........187..../.....738......*....................&85..960...749..",
"..............395.................*...478...........................*....860.......*...613./.........194........................*.....%.....",
".....+799.........132..188........691..........689/...176..........274........569..840.....8....#........................451...71...........",
"..............93..&....*........@........#..................892..............................275.....862*180../.....355..*.............796..",
".......400......*......676.....342.......930...389...925.......*...........580..3......395....................27....*....888..........#.....",
".....%......205..888................60...........=..*.......540........742.*..........*.......858..................589.......679..490.......",
"...462..125*....................691..@.221=.........28...................*..31.615..827..............876...................-.........*762...",
".............501............$..=...............*.........&.............842......@.......308................601...........546................",
"......428...*.............417.....760....25.....809......119.......................589.../.........610......../..%256...................858.",
"......*...623...186................*......*..........895.......................$......#...........@...................337........285........",
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".........406...............10......+..........985...+....944.....*........296................169....@....686......*..............290..767...",
".......................738..........977....*.......873.......665.381..17....%.....246....576..*...861...*.......104.....208..........=......",
".919............#...............973.....320.529................*......*.......676*.............89.......112............-....988.........858.",
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"...331.....*.........../969....571.........355............*.....-.........#.....804@........-......................*...875......68..........",
"........558..412.............................*....758..272..............207..............466..........245.......664...@...........*..447....",
"...............*..-368.......................345./.........%..@....450..........................175......*.%...............106...44.@.......",
"........*290...........10...323..........................318..664...+..470....-...@...../718.......$...986..571.............*...............",
".....148......387/.....%...=....287........=784.........................*..580....260...............................440....377..-......316..",
"................................&........................$....../840....................708......../.......149..................849.........",
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".89...&.....237.........949...........561.211...*......*......689...&.......@..412.......................214......*.........334.590....*908.",
"...*......../.....454........245.781.............649.489..560...-..109.....27....*.........511..............*....567....495*......*./.......",
"..502...36....285...#.441...+.......*.....................&............246...........@.....*...........-929.165.................338..581....",
".......+.................*......324..846..................................=....974...979..778....981...................174.811*.............",
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"...........974...959=......772.........646..........752....=.................165.........+...305.......331..............................*...",
"..243%........*.......169/.........66......#............554.............@..............48...................616....981..117........113.45...",
"...........694....685......312......*.......94......840.........487.....519.655......................$365..*............*............*......",
"........#......#....*..............541.960.............*..........*............-....758*...................636.......868...............%....",
".........400....538..454.@............../......138....402.....775.959...................210.990......%...................338*33.......585...",
"....891...................278........*........*................*...........=................-...997.43....@.................................",
"...................................76.182..775...107..........536.......302.......982.883......$.......650..........470...988...............",
"...810.......694....757*842.........................*..................................-.......................956.....*.....*173...........",
"............................223......212..427......748...593......554*528...462...........-.....569........67.....*....620..................",
".....349.....461....=........*.../....=......%.673.....#....*560........................694.534.*.........=......661............326...123...",
".879.#.......*....610...#.357..398.............*....933.............555.........45*..........*............................477....*.....*....",
"...*.....12..240......164.............862.......17...........650...................627...40.347...640........448.#583.340.......253.918.....",
"...913....*......425@......492=....&....-...931.............=....220..........................................+............288..............",
".........999....................447.........*.....222...360.............124-........+....................596........574...........233*543...",
"..............234...215..793.............492.......#......%.=....255.........613...75.............754....../...........=......./............",
"..............*....#.........................52.............226....*....750..............631....@.............678..............671...741....",
"..298-...5..158...........%307......+........+........165*..........836....$............*.......159..938.......*...%.....644................",
"....................................839...................131..................+.......210..872.........*...121..818.....*....252.........99",
"......139.....609...............................%...720..................607=...407.........*...........962..............395.........359....",
".989..*..........-..........-....506....359..465......*........*288..........................324...368#.....%..602..551..................922",
".....282.................989....*......*.........52....818..834........693.689.............................845.#.......*......158...&.......",
".../.....357....410....*.....128.....153........*.....................*......*.....................656.915............267....*......234.155.",
"229........*......+...488..&....................689.....71.....331..209.....521..305..365.95..........*......................35.........=...",
"............355...........126.794*599.....................*....../..................$.......&.328...........659.........527.....252.........",
".869................675....................923@......*.....293.=.....342..............466........*.........*...................-....&857....",
"...................*.............364..............827.191.......631..*......=......@..............492....615...............921..............",
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"647.405.................321.479...........*.980......*....................*.............563..877...........934.......449..701-..............",
"...........................*............555...........727........328.......521...................#562........*..357.=..........893..........",
"611..561......400..............&...........................700.....................570.494....63............165..=.....481......*...........",
"...*.*..........=.525......317.277...............738*596......*139....528...@475....*....*......*.........*............*.........62.........",
"186..149..........*.../...............357...504*....................=....*........212.....235....125...173.253..../.....992.975*............",
"..........430...770....20....865......*.........705....904..-........941..216.....................................275...........763.405.....",
".........&.........................362......#..........*.....646................258.....898....241....................*..............*......",
"....13.....510...935...........367..........546....98.869........217.....................*....*....431...566.........152..............69....",
"...%................*.......$...-.......213.......*.........%..........683............#..265................../866...............161........",
".........962...938...259..290......177....=.......948........582........+..843.......584.........%680..782%................./437........657.",
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"...611...........150*693...164....+........................636..327.73................................329...............*....25....747.942..",
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".........$..............#..817..424*89...&.117......../.....2..243.....................................279*143..866..458............623.170.",
".....301.......199...871..........................728......-.......742.252...876......./192........................................@........",
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"....786....*.....................#.................272..................133....653.........82..................554................*156......",
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"..951..........................193..........%..............*.562=......505............+....203.971...........843...........%............753.",
"...*............498....754......*......562....262........668................781................*.....*621.........115.....249...............",
"....470......@........*......75.227......*...*...............57+........769....+....-.......839...968.....876......*..............491.......",
"..........807..297..305..883..........470...505.....245...........682......*......415....................*.........982...........&.....180..",
"................*...........*.............$.........*.......205......*135.......................%.....286..............418.............$....",
"....362.444.....815..........722....336...37.........283...*..............329................433..........@153..........*.....435...........",
"....*......*.........237...............*.....247...........108.....906.......=......611.............................608..814.-..............",
"......285.......865.*..........62.973...781.....*..982.............*......60.......$.......722......=..834.%.....85*............215.........",
"........*....%.......780.996..%....*..............%..........7..855..515.+.....990........*........600...+.765............911.....*.........",
"......130..932.180.......*......143.........../..............*.......*..........&..149....301................................-...77.........",
"...........................272.................868............943.976................*............944.........996....71.....................",
"....511...............995#..-........&.................462.............-.601...931....889.&52.............................................27",
"......#...55......................807.......424..968.................738...*......$..................598-.....77...408......%.......458.....",
"....................88...272*................-....../....................544.......................$.........*.........11+...313....+.......",
"108............819...*.......594..883..../............215..22.....................566*799........217....197..176...721......................",
".....332.......*.....846..-.......#...157................@......454....698...622..........430........47*............................../.....",
".............194..........239..................713*331..............51*.............800.....-..600.............&479..........-........805...",
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"...............*.....*...435.864......+.......................11.....890....................$..........%............862.....968.............",
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".....564.....................807...*...567.............985.100.....%.....................227..................$.*.........*........974.156..",
"..............156.953...........$........$.....................695.329..................=.............836..176..128....864..216#....*.......",
".767-...#.......%....*741...........-169........452/............*.............+...........174.....813....*..........%..............230......",
"........17...............................159..........377=....659..........725....$......*........$...971.........907.766...................",
"...............408.914........788...%......@...................................660.....138....333..........48..............=380...104.......",
".............$........-......*.......480...............194..*527........*....................*...............*578..961...........*..........",
"...444..428..470..........128...............684.399.....*............105.680......7*583............................*.......*....53....*.....",
".....*.*...........223..........&19..........*.....*...246.....*........................526*939..........*....33..51....403..........706....",
"...832..383...287.........................216....103...........710..................958...................288...............................",
};
static const int input_height = sizeof(input) / sizeof(input[0]);
// python hax:
// len(one_line_of_this_bullshit)
static const int input_width = 140;