oguz-ismail

# header
for d in 7 42 77 101 121 1001 1111 7512 12345 110000 902180; do
	n=0
# code (124 bytes)
f()for e do case $e in *==*=*|*[!0-9]0[0-9]*);;*=*)((n+=e));esac done;h=${d%?};eval "f ${h//?/&{+,-,*,==,\}}${d#$h}";echo $n
# footer
done

oguz-ismail

# Usage: jq -s -f aoc22-13.jq input.txt

def cmp_list($l; $r):
	def cmp_elem($l; $r):
		($l | type) as $lt
	|	($r | type) as $rt
	|	if $lt == $rt then
			if $lt == "null" then
				0
			elif $lt == "number" then

oguz-ismail

#include <stdio.h>
#include <limits.h>

int
rle_encode(FILE *src, FILE *dest) {
	int c, prev, cnt;

	prev = fgetc(src);
	cnt = 1;

oguz-ismail

#include <errno.h>
#include <limits.h>
#include <stddef.h>
#include <stdint.h>

int
parse_signed(const char src[static 1], intmax_t min, intmax_t max,
		intmax_t dest[static 1], char **endptr) {
	int sign;
	intmax_t value;

oguz-ismail

# sample input: 10-1000,15-350,50-1500,2100,1700-1800,45,40,145,2-1300
set -o pipefail
tr , '\n' | sort -n | awk '
BEGIN {
        FS = OFS = "-"
}
NF < 1 || NF > 2 || (NF == 2 && $1 > $2) {
        print "bad input: " $0 | "cat >&2"
        exit 1
}

oguz-ismail

#include <stdio.h>
#include <ctype.h>
#include <strings.h>

static int
is_palindromic(const char *str, size_t n) {
	size_t i, j;

	if (n == 0)
		return 1;

oguz-ismail

# Takes an IPv6 address as argument
# and encodes it as described in RFC1924.

export LC_ALL=C
export POSIXLY_CORRECT=1
unset BC_ENV_ARGS
unset BC_LINE_LENGTH

d0='0' d10='A' d20='K' d30='U' d40='e' d50='o' d60='y' d70='+' d80='`'
d1='1' d11='B' d21='L' d31='V' d41='f' d51='p' d61='z' d71='-' d81='{'

oguz-ismail

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#define WIDTH 64
#define HEIGHT 64
#define AREA (WIDTH * HEIGHT)

#define WHITE 255
#define BLACK 0

oguz-ismail

wrapper=
status=0

badsrc() {
	printf 'skipping %s\n' "$src" >&2
	status=1
}

randstr() {
	tr -cd '[:alnum:]' </dev/urandom | head -c 10

oguz-ismail

#include <assert.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>

typedef struct node *node;
typedef struct node *leaf;

typedef struct {
	int last;