commit 2f3120f553b9ee89bb83306ebd90b0d71684e644
parent 6e2c82f8dbd4c7ae5590e0654f5b6932867421d8
Author: bsandro <email@bsandro.tech>
Date: Sat, 2 Dec 2023 08:10:25 +0200
day 02 p1 and 0 brain cells involved
Diffstat:
5 files changed, 243 insertions(+), 0 deletions(-)
diff --git a/day02/Makefile b/day02/Makefile
@@ -0,0 +1,25 @@
+NAME=$(shell basename ${PWD})
+SRC=$(wildcard *.c)
+DEPS:=$(wildcard *.h)
+OBJ:=$(SRC:.c=.o)
+CFLAGS=-O0 -g -std=c11 -Werror -Wall -Wextra -I. -I../common
+LDFLAGS=-lc
+
+all: $(NAME)
+
+.PHONY: clean run
+
+clean:
+ rm -f $(OBJ) $(NAME)
+
+%.o : %.c $(DEPS)
+ @$(CC) $(CFLAGS) -c $< -o $@
+
+$(NAME): $(OBJ)
+ @$(CC) $(OBJ) -o $@ $(LDFLAGS)
+
+run: $(NAME)
+ @./$(NAME) input.txt
+
+test: $(NAME)
+ @./$(NAME) test.txt
diff --git a/day02/input.txt b/day02/input.txt
@@ -0,0 +1,100 @@
+Game 1: 7 blue, 4 red, 11 green; 2 red, 2 blue, 7 green; 2 red, 13 blue, 8 green; 18 blue, 7 green, 5 red
+Game 2: 3 green, 4 red, 4 blue; 6 red, 4 green, 4 blue; 2 blue, 4 green, 3 red
+Game 3: 1 red, 2 green, 3 blue; 1 red, 2 green; 2 green, 3 red; 1 blue, 2 red
+Game 4: 1 red, 15 green; 1 green, 2 blue; 12 green, 1 red, 2 blue; 14 green; 2 green, 1 blue, 2 red
+Game 5: 8 red; 7 red; 11 red, 4 green; 1 blue, 8 red; 6 red, 2 green, 1 blue; 8 green, 13 red, 1 blue
+Game 6: 3 blue, 2 red, 6 green; 2 red, 8 green, 1 blue; 1 red, 3 blue
+Game 7: 5 green, 1 red, 1 blue; 6 blue, 12 red; 6 red, 7 green; 3 green, 1 blue
+Game 8: 10 red, 6 green; 4 blue, 6 green, 5 red; 8 green, 5 red, 5 blue; 2 red, 4 blue
+Game 9: 11 blue, 13 red, 3 green; 13 red, 1 green, 6 blue; 8 blue, 4 green, 5 red; 16 red, 7 green, 10 blue; 16 red, 5 green, 6 blue; 17 red, 6 blue
+Game 10: 16 blue, 8 green; 2 red, 4 green, 1 blue; 15 blue; 4 red, 5 green, 4 blue
+Game 11: 3 blue, 8 red, 10 green; 10 red, 6 green; 1 red, 1 green; 13 red, 1 green, 1 blue; 3 green, 7 red; 2 blue, 6 green, 2 red
+Game 12: 1 red, 10 green; 4 red, 6 green, 1 blue; 9 green, 1 blue, 7 red; 1 blue, 13 green, 2 red; 2 blue, 5 red, 11 green
+Game 13: 1 red, 5 blue; 1 red, 6 green; 2 blue, 1 red; 2 blue, 1 red, 2 green; 5 green, 2 blue
+Game 14: 4 green; 8 blue, 1 red, 2 green; 7 red, 2 green, 4 blue; 4 blue, 7 green; 7 blue, 2 green, 1 red; 7 blue, 5 red
+Game 15: 10 green, 3 red; 8 blue, 14 green, 3 red; 4 red, 1 green, 12 blue
+Game 16: 8 red, 4 blue, 6 green; 14 blue, 9 red, 10 green; 1 red, 5 blue, 8 green; 14 blue, 11 green, 3 red
+Game 17: 20 blue, 5 red, 4 green; 3 red, 14 blue; 4 red, 4 blue, 4 green; 12 blue, 5 red, 3 green
+Game 18: 7 blue, 8 red; 1 blue, 2 red; 1 green, 2 blue
+Game 19: 14 green, 4 blue; 6 green; 12 green, 5 blue; 12 green, 1 red, 1 blue; 4 blue, 10 green
+Game 20: 3 green, 4 blue, 4 red; 13 blue, 1 red, 2 green; 13 blue, 9 green, 9 red
+Game 21: 4 green, 2 blue, 2 red; 3 green, 2 blue; 1 blue, 5 green; 1 blue, 2 red, 3 green; 1 green, 1 blue, 2 red; 6 blue, 1 green
+Game 22: 4 red, 17 green; 15 green, 3 blue, 2 red; 4 blue, 7 red, 11 green; 16 green, 4 red; 3 blue, 2 red
+Game 23: 19 green, 2 blue, 3 red; 1 red, 2 blue, 2 green; 2 blue, 10 green, 11 red
+Game 24: 1 red, 3 blue; 2 blue; 1 green, 1 red, 3 blue; 1 red, 1 green
+Game 25: 12 green, 2 red, 10 blue; 6 green, 3 red; 3 green, 18 blue, 3 red; 17 green, 3 red, 18 blue
+Game 26: 4 red, 12 blue, 5 green; 3 green, 5 red, 1 blue; 6 blue, 4 green, 1 red; 6 blue, 7 green; 3 green, 5 red, 2 blue; 1 green, 2 blue, 9 red
+Game 27: 1 red, 9 green; 3 green; 9 green, 2 blue, 1 red; 10 green, 1 blue; 1 red, 5 green, 3 blue
+Game 28: 10 red, 8 green; 2 blue, 4 green, 7 red; 2 green, 9 red, 1 blue
+Game 29: 5 blue, 5 green, 3 red; 1 green, 2 blue, 3 red; 2 green, 3 blue, 5 red; 3 red, 11 blue
+Game 30: 11 red, 5 green; 4 blue, 3 green, 5 red; 6 blue, 3 green, 5 red
+Game 31: 2 blue, 8 green, 14 red; 9 green; 1 red, 1 blue, 4 green; 2 green, 10 red; 1 red, 10 green, 2 blue; 8 green, 14 red
+Game 32: 14 green, 6 red, 6 blue; 1 red, 2 blue, 15 green; 2 red, 18 green, 1 blue
+Game 33: 16 green, 4 red; 18 green, 3 red; 5 red, 10 green; 5 red, 19 green; 11 green, 4 red; 11 red, 1 blue, 2 green
+Game 34: 1 blue, 11 red; 5 red, 4 green; 4 green, 1 blue, 12 red; 2 blue, 1 green, 7 red; 3 green, 1 blue, 12 red
+Game 35: 5 red, 1 blue; 1 blue, 1 red; 2 blue, 2 green, 15 red; 7 red, 2 green; 3 blue, 1 green, 1 red; 16 red, 3 blue, 1 green
+Game 36: 10 green, 16 red; 2 blue, 14 green, 6 red; 1 blue, 8 green, 12 red
+Game 37: 17 green, 14 blue; 10 green, 12 blue; 10 blue, 1 red, 8 green
+Game 38: 9 blue, 2 green; 5 blue, 1 green, 5 red; 6 blue, 2 green, 7 red; 17 red, 1 green, 7 blue; 1 green, 9 blue, 16 red
+Game 39: 2 red, 13 blue, 10 green; 5 blue, 15 green, 1 red; 13 blue, 5 green; 3 red, 6 blue, 2 green; 17 green, 1 blue, 4 red; 4 red, 1 blue, 11 green
+Game 40: 4 green, 12 blue; 5 red, 13 blue, 1 green; 4 green, 7 red; 7 blue, 2 green
+Game 41: 3 red, 1 green; 10 green, 4 blue, 5 red; 8 blue, 5 red
+Game 42: 8 blue, 12 red, 5 green; 8 red, 5 green, 4 blue; 3 green, 13 red; 8 blue, 16 red; 12 red, 3 green, 1 blue; 2 blue, 2 green, 6 red
+Game 43: 5 blue, 4 red; 10 red, 6 blue; 12 red, 2 blue, 1 green; 7 blue, 12 red, 1 green
+Game 44: 11 blue, 5 red; 2 red, 13 green, 5 blue; 7 red, 7 blue, 11 green
+Game 45: 7 red, 6 blue; 5 blue, 6 green; 5 green, 5 blue, 7 red; 4 red, 9 green, 12 blue; 9 blue, 12 green, 1 red
+Game 46: 2 green, 7 blue, 20 red; 18 green, 2 blue; 8 blue, 1 red, 3 green; 6 green, 1 blue; 2 red, 6 blue, 4 green
+Game 47: 6 red, 6 blue; 14 blue, 7 green, 2 red; 8 blue, 3 red
+Game 48: 1 red, 5 blue; 3 blue, 15 green, 2 red; 6 blue, 1 red, 13 green; 6 green, 4 blue, 3 red; 11 green, 3 blue
+Game 49: 1 green, 15 blue, 3 red; 15 green, 6 blue; 12 green, 2 red, 8 blue; 3 green, 16 blue
+Game 50: 8 blue, 7 red, 1 green; 6 blue, 1 green, 2 red; 3 red, 7 blue; 4 blue, 6 red, 1 green
+Game 51: 2 red, 5 blue; 2 red, 10 green; 11 green, 1 blue; 9 green, 1 blue, 2 red; 5 blue, 11 green; 1 red, 8 green, 1 blue
+Game 52: 1 green, 1 red, 15 blue; 17 blue, 1 red; 5 red, 1 green; 19 blue, 6 red, 3 green; 5 blue, 1 green
+Game 53: 1 blue, 12 red, 6 green; 3 red, 7 green, 3 blue; 2 blue, 7 red, 5 green; 4 red, 3 blue, 19 green; 10 red, 12 green, 2 blue; 5 blue, 7 red, 14 green
+Game 54: 12 green, 1 red, 4 blue; 3 blue, 5 red, 8 green; 9 green, 6 blue; 3 green, 2 red, 11 blue; 3 green, 10 blue, 7 red; 2 red, 3 green, 4 blue
+Game 55: 5 red, 3 blue; 4 blue, 6 green; 10 blue, 1 green; 7 green, 4 red, 14 blue; 2 red, 9 blue, 10 green; 5 red, 10 blue, 10 green
+Game 56: 3 green, 11 blue; 4 blue, 10 green, 8 red; 2 blue, 5 green, 2 red; 1 blue, 1 green, 8 red; 5 green, 7 red, 3 blue
+Game 57: 2 green, 2 blue, 3 red; 8 red, 5 green, 2 blue; 16 red, 12 blue, 7 green; 13 blue, 6 red, 2 green; 12 red, 1 green
+Game 58: 2 green, 3 blue, 8 red; 3 green, 4 blue, 7 red; 2 blue, 11 red, 4 green; 4 green, 1 blue, 2 red; 3 green, 3 red, 2 blue
+Game 59: 10 red, 6 blue, 2 green; 2 green, 6 blue, 14 red; 3 green, 11 red, 7 blue; 1 blue, 1 green
+Game 60: 5 blue, 10 red; 4 blue, 12 red; 2 green, 3 red, 4 blue
+Game 61: 4 blue, 1 green; 10 blue, 2 red; 6 blue, 1 red; 1 green, 7 red; 5 blue, 5 red
+Game 62: 6 blue, 7 red, 1 green; 7 blue, 7 green, 15 red; 14 green, 16 red, 2 blue; 2 blue, 17 red; 4 red, 11 green, 6 blue; 13 green, 16 red, 5 blue
+Game 63: 4 red, 13 green, 1 blue; 2 green, 5 blue, 10 red; 3 green, 8 red; 1 blue, 3 red, 11 green; 1 red, 7 blue
+Game 64: 12 green, 1 blue; 8 red, 1 blue, 10 green; 11 green, 1 blue, 3 red; 10 green, 2 red, 1 blue; 1 blue, 9 green, 8 red
+Game 65: 5 green, 2 red; 7 blue, 5 red, 10 green; 9 green, 8 blue; 3 blue, 4 red, 8 green; 11 green, 6 red, 16 blue
+Game 66: 8 green, 1 red, 4 blue; 10 green, 5 blue, 7 red; 5 blue, 3 red, 6 green; 4 blue, 12 green, 6 red; 16 green, 3 red; 16 green, 7 red, 4 blue
+Game 67: 6 green; 7 red, 1 green, 5 blue; 10 red, 13 green, 3 blue; 8 green, 11 red, 6 blue; 14 red, 5 green, 7 blue
+Game 68: 1 red, 8 green, 3 blue; 1 green, 1 red, 1 blue; 1 green, 11 blue, 1 red
+Game 69: 2 red, 4 green, 1 blue; 4 blue, 10 green; 4 green, 1 blue, 2 red; 12 green, 5 blue; 6 blue, 3 green
+Game 70: 1 blue, 3 green, 2 red; 1 green, 2 blue; 5 green, 1 red; 2 blue, 4 green; 1 red, 5 green
+Game 71: 6 blue, 3 red, 12 green; 2 red, 8 green, 3 blue; 8 green, 8 blue; 7 blue, 1 red, 9 green; 2 green, 4 blue, 1 red; 3 red, 7 blue, 8 green
+Game 72: 8 red, 7 blue, 6 green; 2 red, 8 blue, 7 green; 2 red, 5 blue, 1 green; 4 green, 6 blue, 1 red; 11 green, 13 red, 3 blue; 8 green, 11 red, 2 blue
+Game 73: 7 blue, 17 red, 4 green; 1 red, 4 green, 2 blue; 3 red, 4 blue, 4 green; 5 blue, 5 red; 6 red, 2 blue; 11 red, 1 green, 4 blue
+Game 74: 3 red, 2 green; 4 red, 12 blue, 4 green; 7 red, 6 blue, 10 green
+Game 75: 6 blue, 7 green; 8 green, 9 blue, 1 red; 6 red, 4 blue, 9 green; 10 red, 9 blue, 4 green; 6 red, 2 blue, 1 green; 7 green
+Game 76: 10 red, 8 green; 2 red, 2 blue, 5 green; 1 red, 1 blue, 1 green; 9 red, 11 green, 2 blue; 2 blue, 9 green, 3 red; 6 green, 14 red
+Game 77: 9 blue, 1 red, 3 green; 8 blue, 17 green, 4 red; 5 green, 1 blue, 2 red; 6 green, 1 red, 9 blue; 4 green, 10 red; 9 red, 3 blue
+Game 78: 5 green, 10 blue; 2 green, 5 blue, 11 red; 1 red, 1 green, 6 blue; 1 red, 8 blue, 4 green
+Game 79: 3 green, 1 blue, 2 red; 8 green, 1 blue, 2 red; 2 blue, 1 red, 11 green
+Game 80: 12 blue, 3 green; 6 red, 4 green, 13 blue; 4 blue, 8 red; 3 green, 4 blue
+Game 81: 1 green, 5 blue; 1 green, 3 blue, 1 red; 1 blue, 1 red, 3 green; 6 blue, 5 green
+Game 82: 2 green, 1 blue; 10 blue, 1 red, 6 green; 4 green, 20 blue, 1 red; 20 blue, 2 green, 1 red
+Game 83: 2 green, 9 blue, 10 red; 12 red, 11 blue, 4 green; 11 blue, 8 red, 3 green; 17 green, 4 blue; 12 green, 4 red, 6 blue; 1 red, 11 green, 8 blue
+Game 84: 7 green, 15 red, 15 blue; 4 blue, 3 green, 18 red; 2 blue, 1 red, 2 green; 8 blue, 19 red, 5 green; 11 blue, 3 red; 9 red, 2 blue
+Game 85: 14 green, 3 red, 16 blue; 3 blue, 6 green; 12 green, 6 blue, 2 red
+Game 86: 5 red, 6 green; 9 red, 4 green; 7 green, 1 blue, 2 red
+Game 87: 10 blue, 7 red, 1 green; 12 blue, 14 red; 7 blue, 7 red
+Game 88: 5 red, 10 green, 5 blue; 10 green, 2 red, 8 blue; 2 red, 14 green, 4 blue
+Game 89: 1 blue, 6 red, 12 green; 9 red, 13 green, 3 blue; 11 green, 6 red, 3 blue
+Game 90: 1 green, 8 blue, 10 red; 10 blue, 7 green; 6 blue, 15 red, 1 green; 1 blue, 16 red, 4 green
+Game 91: 8 red, 9 green, 2 blue; 2 red, 15 blue, 2 green; 15 blue, 1 red, 5 green; 1 green, 6 red, 10 blue
+Game 92: 10 blue, 4 red; 9 blue, 3 red, 7 green; 8 blue, 16 green, 3 red; 16 green, 16 blue
+Game 93: 1 blue, 2 green, 1 red; 4 red, 7 green, 12 blue; 6 green, 3 blue, 4 red; 8 blue, 4 red, 12 green; 5 red, 8 green; 1 red, 18 blue, 10 green
+Game 94: 1 blue, 5 red, 6 green; 7 red, 6 green, 1 blue; 8 red, 11 green; 12 green, 7 red, 1 blue; 7 red, 8 green
+Game 95: 10 red, 7 green; 2 green, 1 blue, 10 red; 6 green, 5 red, 1 blue
+Game 96: 3 blue, 12 red, 3 green; 13 red, 9 blue; 2 green, 5 red, 13 blue; 2 red, 18 blue, 4 green; 6 red, 6 blue, 7 green; 3 green, 15 red, 18 blue
+Game 97: 4 red, 3 green; 2 blue, 4 red, 5 green; 3 red, 3 green
+Game 98: 2 red, 19 blue; 2 blue; 11 blue, 2 red; 3 green, 5 blue, 1 red; 2 red, 1 blue; 17 blue
+Game 99: 2 red, 16 blue, 1 green; 2 green, 12 blue, 6 red; 1 red, 3 green, 3 blue; 8 red, 1 green; 2 red, 9 blue; 1 green, 7 red, 9 blue
+Game 100: 8 green, 3 red; 7 green, 4 red; 1 red, 7 green, 2 blue; 1 green, 2 red
diff --git a/day02/main.c b/day02/main.c
@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include <time.h>
+#include <string.h>
+
+void puzzle(const char *filename, long long *res1, long long *res2);
+//void puzzle_test(const char *filename, long long *res1, long long *res2);
+
+int main(int argc, char *argv[]) {
+ printf("Advent of Code: day 02\n");
+ double time_start = clock();
+
+ if (argc <= 1) {
+ printf("Usage: %s inputfile.txt\n", argv[0]);
+ return -1;
+ }
+
+ const char *filename = argv[1];
+ long long counter1 = -1;
+ long long counter2 = -1;
+
+ puzzle(filename, &counter1, &counter2);
+
+ printf("Puzzle #1: %lld\n", counter1);
+ printf("Puzzle #2: %lld\n", counter2);
+
+ double elapsed = clock() - time_start;
+ printf("Elapsed: %f\n", elapsed / CLOCKS_PER_SEC);
+
+ return 0;
+}
diff --git a/day02/puzzle.c b/day02/puzzle.c
@@ -0,0 +1,83 @@
+#define _DEFAULT_SOURCE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <strings.h>
+#include <assert.h>
+#include <stdbool.h>
+
+#define STR_LEN 2048
+
+bool is_digit(char b) {
+ return b>='0' && b<='9';
+}
+
+void puzzle(const char *filename, long long *result1, long long *result2) {
+ FILE *infile = fopen(filename, "r");
+ if (infile == NULL) {
+ fprintf(stderr, "fopen() error: %s\n", strerror(errno));
+ return;
+ }
+
+ char buf[STR_LEN] = {0};
+ unsigned int line_num = 0;
+
+ *result1 = 0;
+ *result2 = 0;
+
+ while (fgets(buf, STR_LEN, infile) != NULL) {
+ int game_num;
+ int n = sscanf(buf, "Game %d:", &game_num);
+ if (n==1) {
+ printf("game %d\n", game_num);
+ } else {
+ printf("parse error\n");
+ break;
+ }
+
+ char *game_sep = strpbrk(buf, ":");
+ if (game_sep==NULL) {
+ printf("delim parse error\n");
+ break;
+ }
+
+ bool game_valid = true;
+ int len = strlen(game_sep);
+ int i = 0;
+ while (i<len) {
+ if (is_digit(game_sep[i])) {
+ int number = game_sep[i]-'0';
+ if (is_digit(game_sep[i+1])) {
+ number = number*10 + (game_sep[i+1]-'0');
+ ++i;
+ }
+ char color = game_sep[i+2];
+ printf("%d %c\n", number, color);
+ if ((color=='r' && number>12) ||
+ (color=='g' && number>13) ||
+ (color=='b' && number>14))
+ {
+ printf("invalid game");
+ game_valid = false;
+ break;
+ }
+ }
+ ++i;
+ }
+
+ if (game_valid) {
+ *result1 += game_num;
+ }
+
+ ++line_num;
+ bzero(buf, STR_LEN);
+ }
+
+ // mutiny! ignoring feof/ferror.
+ fclose(infile);
+
+ (void)result1;
+ (void)result2;
+}
diff --git a/day02/test.txt b/day02/test.txt
@@ -0,0 +1,5 @@
+Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
+Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
+Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
+Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
+Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green
