24.7

24.7.py

@@ -16,3 +16,15 @@
 #
 # res = max([len(match[0] + match[1])
 #            for match in matches])
+
+
+s = open('24_7.txt').readline().strip()
+pos = [-1]
+for p in range(len(s) - 1):
+    if s[p]+s[p+1] == 'CD':
+        pos.append(p)
+pos.append(len(s) - 1)
+ml = 0
+for p, p1 in zip(pos, pos[161:]):
+    ml = max(ml, p1 - p)
+print(ml)