Init commit with a complete day 1.
This commit is contained in:
commit
83ae802789
GPG Key ID:
D22A817D95815393
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bin
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CC=cc
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CFLAGS=-static --std=c2x -O3 -Wall -Werror -Wextra -pedantic
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EXES = $(wildcard day*)
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all: create_bin_dir $(EXES)
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create_bin_dir:
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@mkdir -p bin
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day1: day1/p1.c day1/p2.c
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${CC} ${CFLAGS} $@/p1.c -o bin/$@p1
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${CC} ${CFLAGS} $@/p2.c -o bin/$@p2
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clean:
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rm -f bin/day*p*
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,4 @@
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1abc2
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pqr3stu8vwx
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a1b2c3d4e5f
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treb7uchet
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two1nine
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eightwothree
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abcone2threexyz
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xtwone3four
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4nineeightseven2
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zoneight234
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7pqrstsixteen
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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int main(int argc, char **argv) {
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FILE *input;
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char *line = NULL;
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size_t line_length = 0;
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if (argc == 1 || argv[1][0] == '-')
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input = stdin;
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else if ((input = fopen(argv[1], "r")) == NULL) {
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printf("Cannot open file %s\n", argv[1]);
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return -1;
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}
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int32_t calibration_value = 0;
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while (getline(&line, &line_length, input) != -1) {
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int32_t current_calibration_value = -1;
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int8_t last_digit = 0;
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for (size_t i = 0; i < line_length-1; ++i) {
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if (line[i]>>4 == 0x3) {
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if (current_calibration_value == -1)
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current_calibration_value = (line[i]&0xf) * 10;
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last_digit = line[i]&0xf;
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}
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}
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if (current_calibration_value != -1)
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calibration_value += current_calibration_value + last_digit;
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memset(line, 0, line_length);
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}
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printf("%d\n", calibration_value);
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return 0;
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}
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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int main(int argc, char **argv) {
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FILE *input;
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char *line = NULL;
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size_t line_length = 0;
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if (argc == 1 || argv[1][0] == '-')
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input = stdin;
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else if ((input = fopen(argv[1], "r")) == NULL) {
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printf("Cannot open file %s\n", argv[1]);
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return -1;
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}
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int32_t calibration_value = 0;
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while (getline(&line, &line_length, input) != -1) {
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int32_t current_calibration_value = 0;
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int8_t last_digit = 0;
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for (size_t i = 0; i < line_length-1; ++i) {
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if (line[i]>>4 == 0x3) {
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if (current_calibration_value == 0)
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current_calibration_value = (line[i]&0xf) * 10;
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last_digit = line[i]&0xf;
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} else {
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int8_t digit = 0;
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switch (line[i]) {
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case 'o': // 1
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if (i+2 <= line_length)
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if (line[i+1] == 'n' && line[i+2] == 'e') {
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digit = 1;
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}
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break;
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case 't': // 2 3
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if (i+2 <= line_length)
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if (line[i+1] == 'w' && line[i+2] == 'o') {
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digit = 2;
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break;
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}
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if (i+4 <= line_length)
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if (line[i+1] == 'h' && line[i+2] == 'r' && line[i+3] == 'e' && line[i+4] == 'e') {
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digit = 3;
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}
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break;
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case 'f': // 4 5
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if (i+3 <= line_length)
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if (line[i+1] == 'o' && line[i+2] == 'u' && line[i+3] == 'r') {
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digit = 4;
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break;
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}
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if (i+3 <= line_length)
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if (line[i+1] == 'i' && line[i+2] == 'v' && line[i+3] == 'e') {
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digit = 5;
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}
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break;
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case 's': // 6 7
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if (i+2 <= line_length)
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if (line[i+1] == 'i' && line[i+2] == 'x') {
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digit = 6;
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break;
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}
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if (i+4 <= line_length)
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if (line[i+1] == 'e' && line[i+2] == 'v' && line[i+3] == 'e' && line[i+4] == 'n') {
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digit = 7;
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}
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break;
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case 'e': // 8
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if (i+4 <= line_length)
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if (line[i+1] == 'i' && line[i+2] == 'g' && line[i+3] == 'h' && line[i+4] == 't') {
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digit = 8;
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}
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break;
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case 'n': // 9
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if (i+3 <= line_length)
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if (line[i+1] == 'i' && line[i+2] == 'n' && line[i+3] == 'e') {
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digit = 9;
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}
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break;
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}
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if (digit != 0) {
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if (current_calibration_value == 0)
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current_calibration_value = digit * 10;
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last_digit = digit;
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}
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}
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}
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if (current_calibration_value != 0)
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calibration_value += current_calibration_value + last_digit;
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memset(line, 0, line_length);
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}
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printf("%d\n", calibration_value);
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return 0;
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}
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@ -0,0 +1,23 @@
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#!/usr/bin/sh
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DAY=1
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if [ -n "$1" ]; then
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DAY=$1
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fi
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PART=1
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if [ -n "$2" ]; then
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PART=$2
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fi
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INPUT=my
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if [ -n "$3" ]; then
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INPUT=$3
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fi
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mkdir -p bin
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set -e
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echo -n "Day $DAY part $PART with '$INPUT' input: "
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bin/day${DAY}p$PART < day$DAY/in.$INPUT
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#!/usr/bin/sh
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test_case() {
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[[ $(bin/day$1p$2 < day$1/in.$3) = "$4" ]] && { echo -ne "\e[32mpassed\e[0m"; } || { echo -ne "\e[31mfailed\e[0m"; }
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}
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echo "Day $1 with test data part 1 $(test_case $1 1 "test" "142"), and part 2 $(test_case $1 2 "test2" "281").";
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echo "Day $1 with my data part 1 $(test_case $1 1 "my" "55621"), and part 2 $(test_case $1 2 "my" "53592").";
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