From f76fc1af01c4c3b56b01e31b9cb207873b188bbf Mon Sep 17 00:00:00 2001
From: Lars Palinckx <lpalinck@infogroep.be>
Date: Fri, 3 Dec 2021 00:30:04 +0000
Subject: [PATCH] Upload solution.py

---
 battleship/solution.py | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 battleship/solution.py

diff --git a/battleship/solution.py b/battleship/solution.py
new file mode 100644
index 0000000..cab7196
--- /dev/null
+++ b/battleship/solution.py
@@ -0,0 +1,20 @@
+
+msg = "EYTAQCTQRA{EYTCTARYEYRCTAEARYWQRCWQEYTQQHTQQHEQWAQHEYTY}"
+
+pfix = "EYTAQCTQRA"
+flag  = "EYTCTARYEYRCTAEARYWQRCWQEYTQQHTQQHEQWAQHEYTY"
+
+board = [['Q', 'W', 'E', 'R', 'T'], ['Y', 'U', 'I', 'O', 'P'], ['A', 'S', 'D', 'F', 'G'], ['H', 'K', 'L', 'Z', 'X'], ['C', 'V', 'B', 'N', 'M']]
+cols = ['Q', 'Y', 'A', 'H', 'C']
+flat = sum(board, [])
+
+def secret(enc):
+    out = ''
+    pairs = [enc[i:i+2] for i in range(0, len(enc), 2)]
+    for p in pairs:
+        col = flat.index(p[0]) % 5
+        row = cols.index(p[1])
+        out += board[row][col]
+    return out
+
+print(secret(pfix), '{', secret(flag), '}')