Day 5 py

1 files changed, 121 insertions, 4 deletions

diff --git a/solutions/py/05.py b/solutions/py/05.py
index 28b2626..d2e3fb3 100644
--- a/solutions/py/05.py
+++ b/solutions/py/05.py
@@ -1,4 +1,121 @@
-'''
-this code has been redacted due to ugliness
-please check back later
-'''
+import itertools
+import queue
+import sys
+
+params = {1:3, 2:3, 3:1, 4:1, 5:2, 6:2, 7:3, 8:3, 99:0}
+ADD = 1
+MULT = 2
+IN = 3
+OUT = 4
+JNZ = 5
+JEZ = 6
+LET = 7
+EQV = 8
+HAL = 99
+
+class Computer(object):
+    def __init__(self, program):
+        self.memory = program.copy()
+        self.pointer = 0
+        self.phase_read = False
+
+        self.input = None
+        self.output = None
+
+    def parse_op(self, op):
+        code = op % 100
+        return [code] + [(op // 10**(i+2)) % 10**(i+1) for i in range(params[code])]
+
+    def clear_flags(self):
+        self.input  = None
+        self.output = None
+
+    def get_param(self, inst, num):
+        return self.memory[self.pointer + num] if inst[num] == True else\
+                self.memory[self.memory[self.pointer + num]]
+
+    def step(self):
+        inst = self.parse_op(self.memory[self.pointer])
+        if inst[0] == HAL:
+            return
+        elif inst[0] == ADD:
+            self.memory[self.memory[self.pointer+3]] = \
+                    self.get_param(inst, 1) + self.get_param(inst, 2)
+            self.pointer += 4
+        elif inst[0] == MULT:
+            self.memory[self.memory[self.pointer+3]] = \
+                    self.get_param(inst, 1) * self.get_param(inst, 2)
+            self.pointer += 4
+        elif inst[0] == IN:
+            self.memory[self.memory[self.pointer+1]] = self.input
+            self.input = None
+            self.pointer += 2
+        elif inst[0] == OUT:
+            self.output = self.get_param(inst, 1)
+            self.pointer += 2
+        elif inst[0] == JNZ:
+            if self.get_param(inst, 1) != 0:
+                self.pointer = self.get_param(inst, 2)
+            else:
+                self.pointer += 3
+        elif inst[0] == JEZ:
+            if self.get_param(inst, 1) == 0:
+                self.pointer = self.get_param(inst, 2)
+            else:
+                self.pointer += 3
+        elif inst[0] == LET:
+            self.memory[self.memory[self.pointer+3]] = 1 if \
+                    self.get_param(inst, 1) < self.get_param(inst, 2) \
+                    else 0
+            self.pointer += 4
+        elif inst[0] == EQV:
+            self.memory[self.memory[self.pointer+3]] = 1 if \
+                    self.get_param(inst, 1) == self.get_param(inst, 2) \
+                    else 0
+            self.pointer += 4
+        else:
+            print(self.memory)
+            print(self.pointer)
+            print("invalid instruction", self.memory[self.pointer])
+            print(inst)
+            sys.exit()
+
+def pt1(program):
+    c = Computer(program)
+    c.input = 1
+    output = []
+    while c.memory[c.pointer] != 99:
+        c.step()
+        if c.output != None:
+            output.append(c.output)
+            c.output = None
+    return output
+
+def pt2(program):
+    c = Computer(program)
+    c.input = 5
+    output = []
+    while c.memory[c.pointer] != 99:
+        c.step()
+        if c.output != None:
+            output.append(c.output)
+            c.output = None
+    return output
+
+if __name__ == "__main__":
+    f = open("../input/05", "r")
+    program = [int(x) for x in f.readline().split(",")]
+
+    import cProfile
+    import timeit
+
+    print("PART 1")
+    print(timeit.timeit('pt1(program)', globals=globals(), number=1000), "ms")
+    cProfile.run("pt1(program)")
+
+    print("PART 2")
+    print(timeit.timeit('pt2(program)', globals=globals(), number=1000), "ms")
+    cProfile.run("pt2(program)")
+
+    print(1, pt1(program))
+    print(2, pt2(program))