From baf4910870a6e8999802b9a4a22eabd4142a34e3 Mon Sep 17 00:00:00 2001
From: Bond_009 <bond.009@outlook.com>
Date: Thu, 1 Dec 2022 22:30:22 +0100
Subject: Move all Advent of Codes into one repo

---
 4/part2.c | 135 --------------------------------------------------------------
 1 file changed, 135 deletions(-)
 delete mode 100644 4/part2.c

(limited to '4/part2.c')

diff --git a/4/part2.c b/4/part2.c
deleted file mode 100644
index 5aac219..0000000
--- a/4/part2.c
+++ /dev/null
@@ -1,135 +0,0 @@
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define KEYS_LEN 7
-const char* const keys[] = { "byr:", "iyr:", "eyr:", "hgt:", "hcl:", "ecl:", "pid:" };
-
-bool is_valid_field(const char *key, const char *value)
-{
-    if (strncmp(key, "byr", 3) == 0) {
-        int v = atoi(value);
-        return v >= 1920 && v <= 2002;
-    }
-
-    if (strncmp(key, "iyr", 3) == 0) {
-        int v = atoi(value);
-        return v >= 2010 && v <= 2020;
-    }
-
-    if (strncmp(key, "eyr", 3) == 0) {
-        int v = atoi(value);
-        return v >= 2020 && v <= 2030;
-    }
-
-    if (strncmp(key, "hgt", 3) == 0) {
-        int v = atoi(value);
-        if (strncmp(value + 3, "cm", 2) == 0) {
-            return v >= 150 && v <= 193;
-        }
-
-        if (strncmp(value + 2, "in", 2) == 0) {
-            return v >= 59 && v <= 76;
-        }
-
-        return false;
-    }
-
-    if (strncmp(key, "hcl", 3) == 0) {
-        if (value[0] != '#') {
-            return false;
-        }
-
-        for (int i = 1; i < 7; i++) {
-            if (!(value[i] >= 48 && value[i] <= 57) && !(value[i] >= 97 && value[i] <= 102)) {
-                return false;
-            }
-        }
-
-        return true;
-    }
-
-    if (strncmp(key, "ecl", 3) == 0) {
-        return strncmp(value, "amb", 3) == 0
-            || strncmp(value, "blu", 3) == 0
-            || strncmp(value, "brn", 3) == 0
-            || strncmp(value, "gry", 3) == 0
-            || strncmp(value, "grn", 3) == 0
-            || strncmp(value, "hzl", 3) == 0
-            || strncmp(value, "oth", 3) == 0;
-    }
-
-    if (strncmp(key, "pid", 3) == 0) {
-        for (int i = 0; i < 9; i++) {
-            if (!(value[i] >= 48 && value[i] <= 57)) {
-                return false;
-            }
-        }
-
-        return !(value[9] >= 48 && value[9] <= 57);
-    }
-
-    return false;
-}
-
-bool is_valid_passport(const char *pass)
-{
-    for (int i = 0; i < KEYS_LEN; i++) {
-        const char *p = strstr(pass, keys[i]);
-        if (!p) {
-            return false;
-        }
-
-        if (!is_valid_field(p, p + 4)) {
-            return false;
-        }
-    }
-
-    return true;
-}
-
-int count_valid_passports(const char *filename)
-{
-    FILE *file = fopen(filename, "r");
-
-    // Include space for newline and string terminator
-    char buffer[128] = { 0 };
-
-    uint8_t values = 0;
-    int correct = 0;
-    while (fgets(buffer, 128, file)) {
-        if (buffer[0] == '\n') {
-            if (values == 0x7f) {
-                correct++;
-            }
-
-            values = 0;
-        }
-
-        for (int i = 0; i < KEYS_LEN; i++) {
-            const char *p = strstr(buffer, keys[i]);
-            if (!p) {
-                continue;
-            }
-
-            if (is_valid_field(p, p + 4)) {
-                values = values | (0x1 << i);
-            }
-        }
-    }
-
-    if (values == 0x7f) {
-        correct++;
-    }
-
-    fclose(file);
-
-    return correct;
-}
-
-int main(int argc, char *argv[])
-{
-    printf("%i", count_valid_passports(argv[argc - 1]));
-}
-- 
cgit v1.2.3