Committing days 1-4

This commit is contained in:
2023-12-04 19:40:03 -05:00
commit db9b6acbb6
19 changed files with 2500 additions and 0 deletions

126
02/02-part2.c Normal file
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#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#define STRBUF_SIZE 200
enum color
{
color_red = 0,
color_green,
color_blue
};
typedef struct gameresult_t
{
uint8_t red;
uint8_t green;
uint8_t blue;
} gameresult;
gameresult parse_hand(char *str)
{
gameresult result = {0};
uint8_t num = 0;
while (true)
{
num = 0;
while (*str != ' ')
{
num = (num * 10) + (*str - '0');
str++;
}
str++;
switch(*str)
{
case 'r':
result.red += num;
str += 3;
break;
case 'g':
result.green += num;
str += 5;
break;
case 'b':
result.blue += num;
str += 4;
break;
}
if (*str != ',') return result;
str += 2;
}
}
gameresult parse_game_maxes(char *str)
{
// Keeps track of the most cubes of a single color seen any hand
gameresult maxes = {0};
// Keeps result from the most recent hand
gameresult result = {0};
while (*str != ':') str++;
while (*str == ':' || *str == ';')
{
str += 2;
result = parse_hand(str);
if (result.red > maxes.red) maxes.red = result.red;
if (result.green > maxes.green) maxes.green = result.green;
if (result.blue > maxes.blue) maxes.blue = result.blue;
while (*str != ';' && *str != '\n') str++;
}
return maxes;
}
bool game_is_valid(char *str)
{
gameresult maxes = {0};
maxes = parse_game_maxes(str);
return (maxes.red <= 12 && maxes.green <= 13 && maxes.blue <= 14);
}
int main(int argc, char **argv)
{
// Get filename as an argument, defaults to "input.txt"
char *path = (argc > 1) ? argv[1] : "input.txt";
if (!path)
{
printf("Requires input file.\n");
return 1;
}
FILE *file = fopen(path, "r");
if (!file)
{
printf("Could not find file.");
return 1;
}
char strbuf[STRBUF_SIZE] = {0};
gameresult maxes = {0};
uint8_t gamenum = 1;
uint32_t power = 0;
uint32_t sum = 0;
while (fgets(strbuf, 200, file))
{
maxes = parse_game_maxes(strbuf);
power = maxes.red * maxes.green * maxes.blue;
sum += power;
}
printf("Sum: %d\n", sum);
return 0;
}

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02/02.c Normal file
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#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#define STRBUF_SIZE 200
enum color
{
color_red = 0,
color_green,
color_blue
};
typedef struct gameresult_t
{
uint8_t red;
uint8_t green;
uint8_t blue;
} gameresult;
gameresult parse_hand(char *str)
{
gameresult result = {0};
uint8_t num = 0;
while (true)
{
num = 0;
while (*str != ' ')
{
num = (num * 10) + (*str - '0');
str++;
}
str++;
switch(*str)
{
case 'r':
result.red += num;
str += 3;
break;
case 'g':
result.green += num;
str += 5;
break;
case 'b':
result.blue += num;
str += 4;
break;
}
if (*str != ',') return result;
str += 2;
}
}
gameresult parse_game_maxes(char *str)
{
// Keeps track of the most cubes of a single color seen any hand
gameresult maxes = {0};
// Keeps result from the most recent hand
gameresult result = {0};
while (*str != ':') str++;
while (*str == ':' || *str == ';')
{
str += 2;
result = parse_hand(str);
if (result.red > maxes.red) maxes.red = result.red;
if (result.green > maxes.green) maxes.green = result.green;
if (result.blue > maxes.blue) maxes.blue = result.blue;
while (*str != ';' && *str != '\n') str++;
}
return maxes;
}
bool game_is_valid(char *str)
{
gameresult maxes = {0};
maxes = parse_game_maxes(str);
return (maxes.red <= 12 && maxes.green <= 13 && maxes.blue <= 14);
}
int main(int argc, char **argv)
{
// Get filename as an argument, defaults to "input.txt"
char *path = (argc > 1) ? argv[1] : "input.txt";
if (!path)
{
printf("Requires input file.\n");
return 1;
}
FILE *file = fopen(path, "r");
if (!file)
{
printf("Could not find file.");
return 1;
}
char strbuf[STRBUF_SIZE] = {0};
uint8_t gamenum = 1;
uint32_t sum = 0;
while (fgets(strbuf, 200, file))
{
if (game_is_valid(strbuf))
sum += gamenum;
gamenum++;
}
printf("Sum: %d\n", sum);
return 0;
}

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02/input.txt Normal file
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Game 1: 7 blue, 9 red, 1 green; 8 green; 10 green, 5 blue, 3 red; 11 blue, 5 red, 1 green
Game 2: 7 green, 3 blue; 20 blue, 4 green; 6 red, 13 blue, 2 green
Game 3: 11 blue, 3 red, 1 green; 15 red, 9 blue, 3 green; 11 blue, 4 red, 4 green; 1 red, 2 green, 14 blue; 18 blue, 4 green, 10 red
Game 4: 3 red, 7 blue; 3 blue, 2 red, 2 green; 2 green, 1 red, 1 blue; 3 green, 5 blue, 5 red; 7 blue, 1 green, 1 red; 2 green, 7 blue
Game 5: 1 blue, 2 red, 1 green; 6 blue, 3 green, 2 red; 2 blue
Game 6: 5 green, 5 red, 5 blue; 9 blue, 6 green, 8 red; 7 green, 3 red, 15 blue; 9 blue, 9 green; 10 red, 12 blue, 4 green; 9 blue, 1 red, 9 green
Game 7: 8 blue, 9 green, 16 red; 9 green, 9 blue; 10 red, 5 blue, 8 green; 9 green, 17 red, 2 blue; 1 blue, 18 red, 8 green; 3 green, 8 blue, 14 red
Game 8: 6 green, 8 blue, 16 red; 10 green, 1 blue, 4 red; 2 blue, 15 red, 10 green; 7 green, 9 red, 2 blue; 17 red, 4 green, 7 blue
Game 9: 5 blue, 1 green, 4 red; 2 green, 6 red, 12 blue; 2 green, 7 blue, 1 red; 12 blue, 2 green, 1 red
Game 10: 1 red, 16 blue, 18 green; 14 green, 13 blue; 4 green, 7 blue; 5 red, 16 blue, 11 green; 14 green, 2 red, 5 blue; 10 blue, 3 red, 6 green
Game 11: 4 green, 2 blue, 17 red; 1 green, 2 red, 1 blue; 5 blue, 14 red
Game 12: 7 red, 7 green; 7 blue, 7 green, 8 red; 14 red, 7 blue, 5 green
Game 13: 1 red, 7 green; 7 green, 5 blue; 4 blue, 1 red; 14 green, 5 blue, 2 red; 3 red, 5 green; 10 green, 2 blue, 3 red
Game 14: 4 blue, 7 red; 10 red, 6 blue; 1 green, 3 red; 1 green, 12 blue, 8 red; 1 red, 1 green, 6 blue; 1 green, 6 red
Game 15: 4 green, 6 blue, 12 red; 7 blue, 6 red, 4 green; 1 green; 16 blue, 5 red, 5 green; 11 blue, 7 red, 2 green
Game 16: 6 blue, 2 red, 4 green; 7 green, 2 blue; 2 red, 4 green; 3 green, 4 blue, 1 red
Game 17: 9 green, 9 red, 3 blue; 9 green, 4 blue, 5 red; 10 green, 2 blue, 3 red
Game 18: 2 red, 1 green; 3 red, 9 blue, 1 green; 4 red, 10 blue; 6 blue, 2 green, 5 red; 12 blue, 5 red, 2 green
Game 19: 2 blue, 15 green, 9 red; 9 blue, 15 red, 4 green; 9 green, 4 blue, 4 red; 2 blue, 12 green, 16 red
Game 20: 5 blue, 2 green, 9 red; 10 blue, 2 green, 6 red; 1 red, 13 green, 6 blue; 15 green, 13 blue, 12 red; 13 blue, 5 green
Game 21: 3 red, 1 green, 10 blue; 8 green, 10 blue, 5 red; 12 blue, 5 red, 2 green
Game 22: 4 blue, 6 red, 2 green; 5 blue, 16 red; 13 red; 19 red, 1 green, 6 blue; 11 red, 2 green, 5 blue
Game 23: 5 red, 4 green, 2 blue; 7 blue, 3 green; 5 blue, 4 red, 1 green; 2 blue, 3 red, 2 green
Game 24: 1 green; 4 red, 6 green, 2 blue; 6 green, 4 red; 8 blue, 3 red, 2 green; 1 blue, 2 red
Game 25: 4 green, 2 blue, 12 red; 10 blue, 1 red, 2 green; 3 green, 12 blue; 7 green, 12 red, 3 blue; 2 green, 6 blue, 13 red; 3 green, 14 red, 9 blue
Game 26: 8 red, 8 blue, 4 green; 5 red, 14 blue, 11 green; 3 green, 4 blue; 3 red, 10 green, 8 blue
Game 27: 14 red, 5 blue, 6 green; 1 red, 1 green; 3 red, 1 blue, 4 green
Game 28: 11 green, 9 blue; 3 green, 6 blue, 7 red; 9 blue, 5 red, 10 green; 8 red, 5 blue, 10 green; 10 green, 9 red, 2 blue
Game 29: 12 red, 1 green, 7 blue; 4 red, 4 blue; 12 red, 1 blue
Game 30: 3 red, 9 blue; 7 blue, 3 green, 2 red; 1 green, 3 blue, 8 red; 15 blue, 8 red, 1 green; 1 red, 2 green, 6 blue; 2 blue, 3 green, 15 red
Game 31: 10 red, 14 green, 9 blue; 6 blue, 7 red; 16 red, 3 blue, 5 green; 11 red, 7 blue, 1 green; 10 green, 8 red, 3 blue; 14 green, 6 red, 8 blue
Game 32: 1 red, 7 blue, 4 green; 5 green, 6 blue; 4 blue, 2 green; 2 blue, 3 green
Game 33: 2 red, 4 green; 1 green, 12 blue; 1 red, 4 green, 13 blue; 3 red, 11 blue; 8 blue, 3 red, 4 green; 4 green, 2 blue, 3 red
Game 34: 9 green, 3 red, 10 blue; 2 red, 5 green, 7 blue; 8 green, 3 red
Game 35: 3 blue, 1 red; 1 red, 1 green, 3 blue; 13 red, 1 blue; 3 blue, 3 green, 14 red; 1 blue; 3 blue, 2 green, 3 red
Game 36: 5 red, 10 blue; 10 green, 4 red, 8 blue; 6 blue, 9 green, 9 red
Game 37: 1 red, 3 green, 1 blue; 7 blue, 4 red; 11 red, 6 blue, 2 green; 1 green, 10 red, 3 blue; 2 blue, 1 green, 10 red; 10 red, 4 blue
Game 38: 13 red, 6 blue, 1 green; 8 red, 4 green, 8 blue; 13 green, 7 red, 3 blue; 6 red, 12 green, 2 blue; 7 blue, 15 green, 5 red; 13 green, 2 blue, 11 red
Game 39: 1 blue, 5 green, 6 red; 1 green, 8 red, 4 blue; 8 red, 10 green, 6 blue; 2 blue, 1 red, 4 green; 3 blue, 2 red, 7 green; 8 red, 6 green, 2 blue
Game 40: 6 blue, 20 green, 12 red; 7 blue, 10 red, 7 green; 5 red, 2 green, 8 blue; 2 blue, 1 red, 7 green; 11 green, 3 red; 9 red, 9 blue, 6 green
Game 41: 15 red, 5 green, 7 blue; 4 red, 7 blue; 12 green, 7 blue; 12 red, 15 green, 8 blue
Game 42: 2 green, 12 blue, 4 red; 2 blue, 2 red, 8 green; 10 blue, 2 red, 11 green; 1 green, 1 red, 5 blue
Game 43: 14 blue, 2 green, 11 red; 10 red, 8 blue; 15 blue; 1 green, 16 blue, 6 red; 3 red, 17 blue; 3 blue, 1 green
Game 44: 3 blue, 4 green, 9 red; 7 green, 15 red, 2 blue; 8 green, 8 red; 3 green, 10 blue, 6 red
Game 45: 2 green, 14 red; 1 blue, 16 red, 5 green; 3 green, 5 red; 1 blue, 5 green, 2 red
Game 46: 2 red, 13 blue, 6 green; 8 green, 1 blue; 8 blue, 6 green, 2 red; 6 green, 3 blue; 2 green, 7 blue
Game 47: 1 green, 11 blue, 6 red; 3 green, 4 blue, 4 red; 6 red, 13 blue; 6 blue, 5 green, 6 red
Game 48: 1 red, 1 green; 6 red, 3 blue, 2 green; 3 green, 6 red
Game 49: 10 blue, 15 green, 5 red; 5 green, 10 red; 4 green, 12 red, 5 blue; 7 red, 9 green, 7 blue; 17 green, 3 blue, 4 red
Game 50: 7 red, 8 green; 11 red, 1 green, 2 blue; 12 red, 4 green; 15 red, 2 green; 5 red, 2 blue, 6 green; 1 green, 3 red
Game 51: 7 red, 4 blue, 1 green; 10 red, 7 blue; 11 blue, 8 red
Game 52: 3 green, 2 blue, 1 red; 1 red, 1 blue, 2 green; 3 green, 12 blue; 9 blue, 3 red; 6 blue, 2 red, 2 green; 1 green, 1 red, 14 blue
Game 53: 7 red, 1 green, 4 blue; 5 blue, 5 red; 7 red, 2 blue
Game 54: 3 red, 8 green, 12 blue; 15 red, 4 green, 16 blue; 1 blue, 4 green, 5 red; 5 green, 8 red, 10 blue; 14 red, 7 blue
Game 55: 8 green, 18 blue, 2 red; 4 red, 15 green, 19 blue; 10 blue, 8 red, 1 green
Game 56: 13 blue, 2 red, 5 green; 1 blue, 13 green, 5 red; 3 red, 1 blue, 10 green; 5 red, 14 blue, 1 green; 11 green, 6 blue, 6 red; 11 green, 7 blue, 8 red
Game 57: 1 green; 1 blue; 1 blue, 6 red, 1 green; 1 green, 3 red; 1 green, 6 red
Game 58: 14 blue, 7 red; 4 green, 10 red; 5 blue, 7 green, 6 red; 3 green, 6 red, 19 blue
Game 59: 3 green, 5 red, 3 blue; 1 blue, 5 green, 3 red; 3 blue, 7 red, 4 green
Game 60: 6 blue; 11 blue, 2 red, 6 green; 1 red, 3 blue; 2 green, 1 blue, 2 red
Game 61: 5 red, 6 green, 8 blue; 8 blue, 5 green, 7 red; 6 green, 3 red, 7 blue; 8 green, 7 blue
Game 62: 9 green; 4 red, 5 green; 3 green, 14 blue; 4 green, 3 red, 6 blue
Game 63: 6 green, 12 blue; 1 red, 12 blue; 1 green, 13 blue; 3 blue, 8 green; 7 blue, 2 green
Game 64: 2 green, 11 red, 1 blue; 2 red; 3 green; 2 green, 6 red; 1 blue, 6 red
Game 65: 9 green, 1 blue; 5 green, 14 red, 1 blue; 11 green, 6 blue, 2 red; 8 red, 1 green; 9 green, 11 red, 5 blue; 18 green, 11 red, 1 blue
Game 66: 5 green, 17 red; 1 blue, 4 green, 2 red; 3 green, 2 blue, 13 red; 4 red, 1 green; 2 green, 18 red; 18 red, 1 green, 2 blue
Game 67: 7 green; 2 blue, 1 green; 1 blue, 6 green, 1 red; 3 green, 3 blue
Game 68: 7 blue, 18 red, 16 green; 7 blue, 6 red, 3 green; 5 blue, 4 red; 12 red, 20 green, 7 blue; 5 green, 4 blue
Game 69: 5 red, 19 green, 2 blue; 12 green, 7 red; 7 red, 10 green; 2 blue, 1 red, 1 green
Game 70: 8 red, 2 green, 14 blue; 1 green, 12 red, 3 blue; 2 green, 1 blue, 18 red; 10 red, 15 blue, 1 green; 2 green, 1 red, 14 blue; 1 green, 12 blue, 8 red
Game 71: 11 green, 9 red; 17 red, 1 blue, 9 green; 14 green, 1 red, 1 blue; 6 green, 11 red; 3 red, 14 green; 1 blue, 12 green
Game 72: 4 red, 3 blue, 16 green; 12 green, 5 red, 4 blue; 7 red, 4 blue, 12 green
Game 73: 1 blue; 1 green, 10 blue, 1 red; 1 blue, 1 red, 1 green; 11 blue, 1 green, 1 red; 10 blue
Game 74: 12 red, 3 green; 11 red, 1 blue; 19 red, 1 blue; 3 green, 1 blue; 5 red, 1 blue; 5 red, 1 blue, 2 green
Game 75: 9 blue, 4 green; 1 green, 1 blue, 5 red; 6 blue, 8 red, 3 green; 10 blue, 2 green, 6 red; 3 green, 3 red, 3 blue; 4 green, 7 red, 8 blue
Game 76: 1 green, 13 blue, 2 red; 1 green, 15 blue; 8 red, 1 green, 10 blue; 3 blue, 6 red
Game 77: 9 red, 2 green, 11 blue; 6 red, 5 blue, 2 green; 6 blue, 9 red, 1 green; 4 blue, 5 red; 13 blue
Game 78: 13 blue, 4 red, 2 green; 7 red, 2 green, 8 blue; 6 red, 20 blue, 4 green; 7 red, 3 green, 14 blue; 15 blue, 2 red, 3 green
Game 79: 2 red, 10 blue, 6 green; 4 blue, 3 red, 3 green; 3 red, 5 blue, 3 green; 1 blue, 4 green, 1 red; 1 red, 3 green, 1 blue; 1 blue, 6 green
Game 80: 2 green, 1 blue, 3 red; 2 green, 2 red; 1 green, 4 red, 1 blue; 4 red, 3 green
Game 81: 1 red, 3 green; 11 green; 4 green, 6 red; 1 red, 1 blue, 13 green; 11 green, 1 blue
Game 82: 15 green, 3 red, 9 blue; 3 blue, 7 green, 3 red; 3 blue, 11 green; 9 blue, 3 red, 9 green; 5 blue, 1 green, 1 red; 4 blue, 9 green, 1 red
Game 83: 5 red, 1 blue; 17 red, 1 green, 6 blue; 3 blue, 11 red; 7 blue, 4 red; 1 blue, 12 red, 1 green; 1 red, 1 green, 1 blue
Game 84: 6 red, 7 green, 3 blue; 2 blue, 7 red, 15 green; 1 blue, 5 red, 3 green; 10 red, 1 blue, 4 green; 4 green, 2 blue, 4 red; 9 red, 11 green
Game 85: 1 green, 10 red; 10 red, 2 blue, 3 green; 2 blue, 6 red; 1 blue, 16 red; 8 red, 2 green; 13 red, 4 green
Game 86: 3 blue, 2 red, 9 green; 2 green, 6 red, 8 blue; 2 red, 7 blue, 8 green
Game 87: 14 red, 1 green, 2 blue; 9 blue, 11 green, 7 red; 13 green, 5 blue, 1 red; 12 red, 7 blue, 3 green; 6 red, 8 blue, 3 green
Game 88: 7 blue, 2 green, 14 red; 7 red, 4 green, 16 blue; 6 green, 6 blue, 2 red; 1 red, 7 green, 2 blue
Game 89: 3 red, 5 blue, 3 green; 4 blue, 2 green, 14 red; 17 red, 1 blue
Game 90: 9 red, 1 blue; 7 red; 12 red, 1 green, 1 blue
Game 91: 12 green, 16 blue, 5 red; 18 green, 11 blue, 3 red; 5 green, 6 blue, 2 red; 13 blue, 10 green; 3 red, 2 blue
Game 92: 7 red, 10 green, 13 blue; 4 green, 9 blue, 1 red; 3 green, 9 red, 13 blue
Game 93: 2 blue, 2 red, 6 green; 3 red, 14 green; 13 green, 3 red, 3 blue; 3 red, 8 green; 13 green; 13 green, 1 red, 2 blue
Game 94: 12 red, 5 green, 2 blue; 5 blue, 12 red; 5 blue, 2 red, 9 green; 10 red, 8 green, 8 blue; 7 red, 8 green; 3 blue, 6 green, 5 red
Game 95: 7 green, 5 red, 3 blue; 14 green, 3 red, 5 blue; 6 green, 1 blue; 10 green, 2 red, 5 blue; 4 blue, 14 green, 4 red
Game 96: 2 green, 2 blue, 2 red; 5 blue, 2 red; 2 blue, 1 green; 1 green, 1 red
Game 97: 5 green, 6 red; 6 red, 5 green; 4 red, 4 blue; 1 blue, 4 green, 3 red; 1 green, 8 red; 2 red, 9 green, 5 blue
Game 98: 1 red, 3 blue; 3 green; 1 red, 4 green; 1 red, 4 blue, 3 green; 2 blue, 4 green, 1 red
Game 99: 8 blue, 3 green; 1 green, 3 red; 2 green, 5 blue, 7 red; 5 red, 9 blue, 1 green; 3 green, 6 red, 7 blue; 3 green, 6 blue, 9 red
Game 100: 13 green, 9 blue, 4 red; 2 green, 2 red, 15 blue; 1 red, 1 green; 9 green, 1 red

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02/input2.txt Normal file
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Game 1: 7 blue, 9 red, 1 green; 8 green; 10 green, 5 blue, 3 red; 11 blue, 5 red, 1 green
Game 2: 7 green, 3 blue; 20 blue, 4 green; 6 red, 13 blue, 2 green
Game 3: 11 blue, 3 red, 1 green; 15 red, 9 blue, 3 green; 11 blue, 4 red, 4 green; 1 red, 2 green, 14 blue; 18 blue, 4 green, 10 red