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专题简介

该专题为ACM在线编程训练专题，题目均为竞赛相关题目，里面每道题带有练习模式和考试模式，可还原考试模式进行模拟，也可通过练习模式进行练习。

考点	题目	难度	热度指数	通过率
CodeForces	CodeForces 120D Three Sons	3	1	0.00%
CodeForces	CodeForces 120E Put Knight!	3	0	0.00%
CodeForces	CodeForces 120F Spiders	3	0	0.00%
CodeForces	CodeForces 121A Lucky Sum	3	0	0.00%
CodeForces	CodeForces 121B Lucky Transformation	3	1	0.00%
CodeForces	CodeForces 121C Lucky Permutation	3	0	0.00%
CodeForces	CodeForces 121D Lucky Segments	3	0	0.00%
CodeForces	CodeForces 121E Lucky Array	3	0	0.00%
CodeForces	CodeForces 122A Lucky Division	3	0	0.00%
CodeForces	CodeForces 122B Lucky Substring	3	0	0.00%
CodeForces	CodeForces 122C Lucky Sum	3	0	0.00%
CodeForces	CodeForces 122D Lucky Transformation	3	0	0.00%
CodeForces	CodeForces 122E Lucky Permutation	3	0	0.00%
CodeForces	CodeForces 123A Prime Permutation	3	2	0.00%
CodeForces	CodeForces 123B Squares	3	0	0.00%
CodeForces	CodeForces 123C Brackets	3	0	0.00%
CodeForces	CodeForces 123D String	3	0	0.00%
CodeForces	CodeForces 123E Maze	3	0	0.00%
CodeForces	CodeForces 124A The number of positions	3	0	0.00%
CodeForces	CodeForces 124B Permutations	3	0	0.00%