From f4eb982e72217721543381a0dcb93f7e60758393 Mon Sep 17 00:00:00 2001
From: TheShinyMelon <truemelongaming@gmail.com>
Date: Mon, 5 Dec 2022 23:41:45 +0100
Subject: [PATCH] Fixed Day 4. Still looks very adventurous.

---
 4/input.txt |  2 +-
 4/tuer4.c   | 57 ++++++++++++++++++++++++-----------------------------
 2 files changed, 27 insertions(+), 32 deletions(-)

diff --git a/4/input.txt b/4/input.txt
index 54adc99..4cfdc23 100644
--- a/4/input.txt
+++ b/4/input.txt
@@ -997,4 +997,4 @@
 2-4,3-51
 12-51,5-12
 18-32,18-33
-29-84,15-83
\ No newline at end of file
+29-84,15-83
diff --git a/4/tuer4.c b/4/tuer4.c
index a1870ce..d001168 100644
--- a/4/tuer4.c
+++ b/4/tuer4.c
@@ -1,61 +1,56 @@
 #include <stdio.h>
-#include <string.h>
 
-
-int numarr_to_int(char numarr[2]) {
-  return (( (numarr[1] - '0') * 10 ) + (numarr[0] - '0'));
+int numarr_to_int(char numarr[2], int tpos) {
+  //printf("- D: %i; %i -\n", numarr[0]-'0', numarr[1]-'0'); //DEBUG
+  if(tpos==0) { return (numarr[1] - '0'); }
+  else { return (( (numarr[1] - '0') * 10 ) + (numarr[0] - '0')); }
 }
 
-int main() {
+void clear_num_arr(char numarr[2]) {
+  numarr[0] = '0'; numarr[1] = '0';
+}
+
+int main() { //Hi. The input-file has to have an empty line at the end. Sorry.
   FILE *input_file = fopen("./input.txt", "r");; 
   fseek(input_file, 0, SEEK_END);
   int if_size = ftell(input_file);
   fseek(input_file, 0, SEEK_SET);
-  
   char input[if_size];
   char c[1];
-  
   int val_arr[4];
   int pos = 0;
   char tmp_num[2];
-  int tmp_pos = 0;
-  
+  int tmp_pos = 1;
   int fully = 0;
+  int at_all = 0;
   
   do {
     c[0] = fgetc(input_file);
-    if((c[0] == (char)-1)) break;
     
-    if(c[0] == '-') {
-      tmp_pos = 0;
-      val_arr[pos] = numarr_to_int(tmp_num);
-      //printf("%i; %i; %i; %i\r\n", val_arr[0],val_arr[1],val_arr[2],val_arr[3]);
+    if(c[0]=='-' || c[0]==',') {
+      val_arr[pos] = numarr_to_int(tmp_num, tmp_pos);
+      tmp_pos = 1;
+      clear_num_arr(tmp_num);
       pos++;
       continue;
     }
-    if(c[0] == ',') {
-      tmp_pos = 0;
-      val_arr[pos] = numarr_to_int(tmp_num);
-      pos++;
-      continue;
-    }
-    if(c[0] == '\n') {
-      tmp_pos = 0;
+    if(c[0]=='\n' || c[0]=='\r') {
+      val_arr[pos] = numarr_to_int(tmp_num, tmp_pos);
+      tmp_pos = 1;
+      clear_num_arr(tmp_num);
       pos = 0;
-      
-      printf("%i; %i; %i; %i\r\n", val_arr[0],val_arr[1],val_arr[2],val_arr[3]);
-      if(val_arr[0]<val_arr[1] && val_arr[2]>val_arr[3]) fully++;
-      
+      //printf("%i; %i; %i; %i\r\n", val_arr[0], val_arr[1], val_arr[2], val_arr[3]); //DEBUG
+      if((val_arr[0]>=val_arr[2] && val_arr[1]<=val_arr[3]) || (val_arr[2]>=val_arr[0] && val_arr[3]<=val_arr[1])) fully++; 
+      if((val_arr[1]>=val_arr[2] && val_arr[0]<=val_arr[3]) || (val_arr[3]>=val_arr[0] && val_arr[2]<=val_arr[1])) at_all++; 
       continue;
     }
-       
+      
     tmp_num[tmp_pos] = c[0];
-    tmp_pos++;
+    tmp_pos--;
   } 
   while(c[0] != (char)-1);
-  
        
   printf("~UwU Twying c todayw, awwen't we master? *^w^* Hewe is youww wesult: UmU~ : %i\r\n", fully);
-  
+  printf("!OwO WHat wAs thAt MAstaww?!?! You wouwd like additioneww infowmatiown?!: UmU~ : %i\r\n", at_all);
   return 0;
-}
+}
\ No newline at end of file