试题泛做

----GYM----

100851 A H K
100837 A G
100783 E A
100200 E G H
100202 A C
100726 B C
100651 B F
100641 A C D F
100644 C G
100197 C

557E
225C
526E
19B
526E

CERC 07 Gates of Logic

----------DP----------

543A 100431F
106C 100417H
148E 100365F
225C 100365H

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http://codeforces.com/gym/100923 B G F

CF 449A
CF 569D

contest/643/problem/F