2017 day 4 solution

Signed-off-by: Lance-Drane <ldraneutk@gmail.com>

2017/04/1.py

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+import sys
+from itertools import pairwise
+
+total = 0
+for line in sys.stdin.readlines():
+    ok = True
+    for pair in pairwise(sorted(line.split())):
+        if pair[0] == pair[1]:
+            ok = False
+            break
+    if ok:
+        total += 1
+
+print(total)

2017/04/1_out.txt

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+337

2017/04/2.py

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+import sys
+
+
+def get_anagram_hash(word: str) -> (int, int, int):
+    str_hash = 0
+    str_sum = 0
+    for char in word:
+        # input file has only lowercase letters and whitespace
+        char2int = ord(char) - 97
+        str_hash += 1 << char2int
+        str_sum += char2int
+    return len(word), str_hash, str_sum
+
+
+total = 0
+for line in sys.stdin.readlines():
+    anagram_hashes = set()
+    ok = True
+    for word in line.split():
+        anagram_hash = get_anagram_hash(word)
+        if anagram_hash in anagram_hashes:
+            ok = False
+            break
+        anagram_hashes.add(anagram_hash)
+    if ok:
+        total += 1
+
+print(total)

2017/04/2_out.txt

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+231