MrKnight的专栏

感觉太久没写C代码了，打算以后有事没事就去做一做POJ，既能写代码练练手，又能提高我这弱弱的算法的能力，还能开拓思维……好处不多说啦，差点能包治百病 今天做的是3720 Occurrence of Digits： Description Every fraction can be converted to a repeatin decimal. For example

Description One measure of ``unsortedness'' in a sequence is the number of pairs of entries that are out of order with respect to each other. For instance, in the letter sequence ``DAABEC'', this m

Description Problems involving the computation of exact values of very large magnitude and precision are common. For example, the computation of the national debt is a taxing experience for many co

Description Some people believe that there are three cycles in a person's life that start the day he or she is born. These three cycles are the physical, emotional, and intellectual cycles, and the

Description The Joseph's problem is notoriously known. For those who are not familiar with the original problem: from among n people, numbered 1, 2, . . ., n, standing in circle every mth is going