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CodeForces 572C. Lengthening Sticks(不定方程的根的方案个数) POJ1087-A Plug for UNIX(最大流) B.Beautiful Numbers B.Modulo Equality C.Cut and Paste E. Messenger Simulator D. Minimax Problem D. Dr. Evil Underscores B. Infinite Prefixes B. Cow and Friend CodeForces1288D-Complete Tripartite(三分图染色) CodeForces-776D The Door Problem(2-SAT)
CodeForces 572C. Lengthening Sticks(不定方程的根的方案个数)
POJ1087-A Plug for UNIX(最大流)
B.Beautiful Numbers
B.Modulo Equality
C.Cut and Paste
E. Messenger Simulator
D. Minimax Problem
D. Dr. Evil Underscores
B. Infinite Prefixes
B. Cow and Friend
CodeForces1288D-Complete Tripartite(三分图染色)
CodeForces-776D The Door Problem(2-SAT)