From 9571a9f81a68c21a9f0beaa84847d663a84d5d13 Mon Sep 17 00:00:00 2001
From: Max Hohlfeld <maxhohlfeld@posteo.de>
Date: Mon, 10 Apr 2023 17:11:27 +0200
Subject: [PATCH] io day 2

---
 io/day2.io    | 141 ++++++++++++++++++++++++++++++++++++++++++++++++++
 io/matrix.txt |   3 ++
 2 files changed, 144 insertions(+)
 create mode 100644 io/day2.io
 create mode 100644 io/matrix.txt

diff --git a/io/day2.io b/io/day2.io
new file mode 100644
index 0000000..1104e4e
--- /dev/null
+++ b/io/day2.io
@@ -0,0 +1,141 @@
+# Task 1:
+fib := method(i,
+  if(i==0) then(return 0)
+  if(i==1) then(return 1)
+
+  return fib(i - 2) + fib(i - 1)
+)
+
+fib_loop := method(i,
+ r := 0
+ s := 0
+ t := 1 
+
+ for(j, 2, i, 1, r := s; s := t; t := r + s)
+
+ return t
+)
+
+fib(1) println
+fib(2) println
+fib(3) println
+fib(4) println
+fib(5) println
+fib(6) println
+fib(7) println
+fib(8) println
+
+"=====================================" println
+
+fib_loop(1) println
+fib_loop(2) println
+fib_loop(3) println
+fib_loop(4) println
+fib_loop(5) println
+fib_loop(6) println
+fib_loop(7) println
+fib_loop(8) println
+
+# Task 2:
+Number old_div := Number getSlot("/")
+
+Number / = method(divisor, 
+  if(divisor == 0, 0, self old_div(divisor))
+)
+
+"Testing Task 2:" println
+(6 / 0) println
+(6 / 3) println
+
+# Task 3:
+"Task 3:" println
+
+  arr := list(list(1, 2, 3), list(4, 5, 6), list(7, 8, 9))
+  arr_sum := 0
+  for(i, 0, arr size - 1, 1, i println; arr_sum = arr_sum + arr at(i) sum)
+  arr_sum println
+
+# Task 4:
+"Task 4:" println
+
+  List myAverage := method(
+    self sum / self size
+  )
+
+  list(1, 2, 3, 4) myAverage println
+  # list() myAverage println
+
+# Task 5, 6, 7:
+"Task 5, 6, 7:" println
+  
+  Matrix := Object clone
+  Matrix dim := method(x, y,
+    self content := list()
+    self y := y
+    self x := x
+    for(i, 1, y, 1, 
+      self content push(list())
+
+      for(j, 1, x, 1,
+	self content at(i - 1) push(0)
+      )
+    )
+  )
+  Matrix set := method(x, y, value,
+    self content at(y) atPut(x, value)
+  )
+  Matrix get := method(x, y,
+    self content at(y) at(x)
+  )
+  Matrix writeToFile := method(filename,
+    file := File clone openForUpdating(filename)
+
+    for(i, 1, y, 1, 
+      for(j, 1, x, 1,
+	file write(self content at(i - 1) at(j -1) asSimpleString, " ")
+      )
+
+      file write("\n")
+    )
+  )
+  Matrix readFromFile := method(filename,
+    file := File clone openForReading(filename)
+    lines := file readLines
+
+    x := lines first split size
+    y := lines size
+
+    self dim(x, y)
+
+    lines foreach(i, line, line split foreach(j, v, self content at(i) atPut(j, v)))
+  )
+
+  matrixOne := Matrix clone
+  matrixOne dim(2, 3)
+  matrixOne content println
+  matrixOne set(1,1, 20)
+  matrixOne get(1,1) println
+  matrixOne writeToFile("matrix.txt")
+
+  matrixTwo := Matrix clone
+  matrixTwo readFromFile("matrix.txt")
+  matrixTwo content println
+
+# Task 8:
+"Task 8:" println
+  lastGuess := 0
+  numberOfGuesses := 0
+  targetNumber := (Date asNumber * 70) round % 100 
+  
+  while(numberOfGuesses < 10,
+    input := File standardInput() readLine() asNumber()
+
+    if(input == targetNumber, "fertig!" println; break, 
+      if(numberOfGuesses == 0, "nicht die richtige!" println, 
+        if((targetNumber - input) abs < (targetNumber - lastGuess) abs, "hotter" println, "colder" println )
+      )
+    )
+
+    lastGuess = input
+    numberOfGuesses = numberOfGuesses + 1
+  )
diff --git a/io/matrix.txt b/io/matrix.txt
new file mode 100644
index 0000000..e84338b
--- /dev/null
+++ b/io/matrix.txt
@@ -0,0 +1,3 @@
+0 0 
+0 20 
+0 0