From 41e7e08bc0113e4843ee0b69585ac4c1d46273b2 Mon Sep 17 00:00:00 2001 From: Michael Zhang Date: Mon, 7 Dec 2020 23:13:03 -0600 Subject: [PATCH] 8 --- 8.py | 44 ++++ 8.txt | 634 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 8ex.txt | 9 + 3 files changed, 687 insertions(+) create mode 100644 8.py create mode 100644 8.txt create mode 100644 8ex.txt diff --git a/8.py b/8.py new file mode 100644 index 0000000..271eb6e --- /dev/null +++ b/8.py @@ -0,0 +1,44 @@ +with open("8.txt") as f: + ins = [] + for line in f: + ins.append(line.strip()) + +def term(ins): + f = set() + f2 = set() + acc = 0 + ip = 0 + while True: + if ip >= len(ins): + break + i = ins[ip] + if ip in f: + if ip in f2: + return None + f2.add(ip) + f.add(ip) + # print(ip, i) + c, v = i.split(" ") + v = int(v) + if c == "acc": + acc += v + elif c == "jmp": + ip = ip + v - 1 + ip += 1 + return acc + +for i in range(len(ins)): + l = ins[i] + if not (l.startswith("jmp") or l.startswith("nop")): continue + orig = l + if l.startswith("jmp"): + new = l.replace("jmp", "nop") + elif l.startswith("nop"): + new = l.replace("nop", "jmp") + ins[i] = new + r = term(ins) + if r is None: + ins[i] = orig + else: + print(r) + break diff --git a/8.txt b/8.txt new file mode 100644 index 0000000..62e61dd --- /dev/null +++ b/8.txt @@ -0,0 +1,634 @@ +acc +15 +acc +2 +acc -14 +jmp +362 +acc +22 +nop +236 +jmp +474 +acc +10 +jmp +1 +acc +0 +jmp +236 +acc +10 +acc +14 +jmp +334 +acc +12 +acc -1 +jmp +478 +jmp +90 +jmp +208 +acc +49 +jmp +94 +acc +2 +acc -8 +jmp +375 +nop +21 +acc +0 +acc +10 +nop +25 +jmp +492 +nop +182 +acc +49 +acc -12 +jmp -14 +acc -16 +jmp +140 +acc -3 +acc -18 +acc +28 +acc -6 +jmp +558 +acc +2 +acc +27 +nop +438 +acc +41 +jmp +508 +acc +13 +jmp +117 +acc +21 +acc -13 +acc +34 +jmp +1 +jmp +1 +nop +451 +acc +28 +acc +31 +acc +31 +jmp +280 +acc +32 +acc +35 +acc -18 +jmp +509 +acc -15 +acc -8 +nop +288 +acc -16 +jmp +376 +acc -19 +acc -8 +acc +11 +acc +10 +jmp +50 +acc +19 +nop -58 +acc -9 +jmp +43 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+jmp -490 +acc +36 +jmp -514 +acc +27 +acc -10 +nop -560 +acc +44 +jmp +1 diff --git a/8ex.txt b/8ex.txt new file mode 100644 index 0000000..178df53 --- /dev/null +++ b/8ex.txt @@ -0,0 +1,9 @@ +nop +0 +acc +1 +jmp +4 +acc +3 +jmp -3 +acc -99 +acc +1 +jmp -4 +acc +6