From 672d8df7b6551df965f2cf4ed873312f7eb3da53 Mon Sep 17 00:00:00 2001
From: randomuser <randomuser@tilde.club>
Date: Sat, 2 Jul 2022 16:31:41 -0500
Subject: [PATCH] 2021/3 challenge

---
 2021/3/1.py    |   27 ++
 2021/3/2.py    |   60 +++
 2021/3/example |   12 +
 2021/3/input   | 1000 ++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 1099 insertions(+)
 create mode 100644 2021/3/1.py
 create mode 100644 2021/3/2.py
 create mode 100644 2021/3/example
 create mode 100644 2021/3/input

diff --git a/2021/3/1.py b/2021/3/1.py
new file mode 100644
index 0000000..ac59744
--- /dev/null
+++ b/2021/3/1.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+
+file = [i.rstrip() for i in open("input").readlines()]
+
+def gammaepsil(data):
+    bufg = []
+    bufe = []
+    for i in range(len(data[0])):
+        one = 0
+        zero = 0
+        for j in range(len(data)):
+            if data[j][i] == "0":
+                zero += 1
+            else:
+                one += 1
+        if zero > one:
+            bufg.append("0")
+            bufe.append("1")
+        else:
+            bufg.append("1")
+            bufe.append("0")
+    return [int(''.join(bufg), base=2), int(''.join(bufe), base=2)]
+
+
+res = gammaepsil(file)
+print(res[0], res[1], res[0]*res[1])
+
diff --git a/2021/3/2.py b/2021/3/2.py
new file mode 100644
index 0000000..84c2c65
--- /dev/null
+++ b/2021/3/2.py
@@ -0,0 +1,60 @@
+#!/usr/bin/env python3
+
+files = [i.rstrip() for i in open("input").readlines()]
+
+def oxy(bits):
+    zero = 0
+    one = 0
+    for i in bits:
+        if i == "0":
+            zero += 1
+        else:
+            one += 1
+
+    if zero > one:
+        return 0
+    elif one > zero:
+        return 1
+    elif one == zero:
+        return 1
+
+def co2(bits):
+    zero = 0
+    one = 0
+    for i in bits:
+        if i == "0":
+            zero += 1
+        else:
+            one += 1
+
+    if zero < one:
+        return 0
+    elif one < zero:
+        return 1
+    elif one == zero:
+        return 0
+
+def oxygen(fields):
+    buf = fields
+    for i in range(len(fields[0])):
+        testing = [j[i] for j in buf]
+        oxygenrating = oxy(testing)
+        buf = [j for j in buf if int(j[i]) == oxygenrating]
+
+    return buf
+
+def carbdio(fields):
+    buf = fields
+    for i in range(len(fields[0])):
+        if len(buf) == 1: break
+        testing = [j[i] for j in buf]
+        print(buf, testing)
+        co2rating = co2(testing)
+        buf = [j for j in buf if int(j[i]) == co2rating]
+
+    return buf
+
+oxygenreal = int(''.join(oxygen(files)), base=2)
+carbdioreal = int(''.join(carbdio(files)), base=2)
+
+print(oxygenreal, carbdioreal, oxygenreal * carbdioreal)
diff --git a/2021/3/example b/2021/3/example
new file mode 100644
index 0000000..a6366a8
--- /dev/null
+++ b/2021/3/example
@@ -0,0 +1,12 @@
+00100
+11110
+10110
+10111
+10101
+01111
+00111
+11100
+10000
+11001
+00010
+01010
diff --git a/2021/3/input b/2021/3/input
new file mode 100644
index 0000000..6a7de1a
--- /dev/null
+++ b/2021/3/input
@@ -0,0 +1,1000 @@
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