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Problem ID Title Solved Submit Pass Rate
1221[NOIP2002]级数求和
NOIP2002while循环高级A
16924868.145%
1222[NOIP2002]选数
NOIP2002高级A
536186.885%
1223[NOIP2002]产生数
NOIP2002高级B
437656.579%
1224[NOIP2002]过河卒
NOIP2002高级A
577774.026%