Codeforces Round #498 (Div. 3) (A. B. C. D. F)
A: Codeforces 1006A. Adjacent Replacements(水题)
B:Codeforces 1006B. Polycarp's Practice(思维)
C:Codeforces 1006C.Three Parts of the Array(模拟)
A: Codeforces 1006A. Adjacent Replacements(水题)
B:Codeforces 1006B. Polycarp's Practice(思维)
C:Codeforces 1006C.Three Parts of the Array(模拟)
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