From 4e9132b983c771d3e70d5a6b8bcdfdb1fead81fa Mon Sep 17 00:00:00 2001
From: kartofen <mladenovnasko0@gmail.com>
Date: Mon, 1 Aug 2022 23:44:04 +0300
Subject: some more

---
 Advent-of-Code-2021/AOC-3-old/main.c | 86 ++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 Advent-of-Code-2021/AOC-3-old/main.c

(limited to 'Advent-of-Code-2021/AOC-3-old/main.c')

diff --git a/Advent-of-Code-2021/AOC-3-old/main.c b/Advent-of-Code-2021/AOC-3-old/main.c
new file mode 100644
index 0000000..51cab24
--- /dev/null
+++ b/Advent-of-Code-2021/AOC-3-old/main.c
@@ -0,0 +1,86 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <stdint.h>
+
+#define N 5
+#define INP_COUNT 12
+
+int table[N];
+
+void ParseInput(char *filepath)
+{
+  char ch;
+  FILE *fp;
+  fp = fopen(filepath, "r");
+
+  if(fp == NULL)
+  {
+    fprintf(stderr, "ERROR: something with file idk what fuck you");
+    exit(EXIT_FAILURE);
+  }
+
+  int i = 0;
+  while((ch = fgetc(fp)) != EOF)
+  {
+    if(ch == '\n') { i = 0; continue; }
+
+    if(ch == '1')
+      table[i] += 1;
+
+    i += 1;
+  }
+
+  fclose(fp);
+}
+
+void PrintTable()
+{
+  for(int i=0; i<N; i++)
+  {
+    printf("bitplace %d: %d\n", i+1, table[i]);
+  }
+}
+
+int PartOne()
+{
+  int gamma_val = 0;
+  for(int i=0; i<N; i++)
+  {
+    assert(table[i] != (INP_COUNT/2));
+      
+    if(table[i] > (INP_COUNT/2))
+    {
+      gamma_val = gamma_val | (1 << (N-1-i));
+    }
+  }
+
+  int epsilon_val = gamma_val;
+  for(int i=0; i<N; i++)
+  {
+    epsilon_val = epsilon_val ^ (1 << i);
+  }
+
+  int result = gamma_val * epsilon_val;  
+  return result;  
+}
+
+int PartTwo()
+{
+  
+  
+  int result = 0;
+  return result;
+}
+
+int main(void)
+{
+  memset(table, 0, sizeof(int)*N);
+  ParseInput("sample.txt");
+
+  PrintTable();
+  printf("Part 1-RESULT: %d\n", PartOne());
+ 
+  return 0;
+}
-- 
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