摘要:
Let us consider sets of positive integers less than or equal to n. Note that all elements of a set are different. Also note that the order of element... 阅读全文
摘要:
Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64uDescriptionThere is a piece of paper in front of Tom, its length and width are int... 阅读全文
摘要:
Time Limit:1000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64uDescriptionAndrewid the Android is a galaxy-famous detective. In his free time he... 阅读全文