Turn the corner Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1930    Accepted Submission(s): 736 Problem Description Mr. West bought a new car! So he is travelling around the city. One day h…

Turn the corner Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 151 Accepted Submission(s): 61   Problem Description Mr. West bought a new car! So he is travelling around the city. One day he come…

Problem Description Mr. West bought a new car! So he is travelling around the city. One day he comes to a vertical corner. The street he is currently in has a width x, the street he wants to turn to has a width y. The car has a length l and a width d…

Turn the corner Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 654 Accepted Submission(s): 291   Problem Description Mr. West bought a new car! So he is travelling around the city. One day he com…

托一个学弟的福,学了一下他的最简便三分写法,然后找了一道三分的题验证了下,AC了一题,写法确实方便,还是我太弱了,漫漫AC路!各路大神,以后你们有啥好的简便写法可以在博客下方留个言或私信我,谢谢了! Turn the corner Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 3196    Accepted Submission(s…

(n!/(n1! *n2! *n3!..nr!) )   * r!/( 同数量组A的数量! 同数量组B的数量!....) 比方20个东西分成2,2,,2,2   3,3,3,3 8组分给8个人有多少种分法 [20!/(2!^4  3!^4)] *  8! /(4!*4!) 说明8!表示有8组,那么意味着有8!种排列,由于2,2,2,2有4组,其中4!种排列是重复的同理3,3,3,3也一样 考虑特色情况8个人分8个不同的东西,每人一个 那么分组是1,1,1,1,1,1,1,1          …

Turn the corner Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2229    Accepted Submission(s): 856 Problem Description Mr. West bought a new car! So he is travelling around the city. One day h…

传送门 Turn the corner Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2081    Accepted Submission(s): 787 Problem Description Mr. West bought a new car! So he is travelling around the city. One da…

把8个同样的球放在同样的5个袋子里,允许有的袋子空着不放,问共有多少种不同的分法? 提示:如果8个球都放在一个袋子里,无论是放哪个袋子,都只算同一种分法. 解析: 把问题合成,先思索5个袋子都不空的状况,再思索4个袋子不空的状况,以此类推,最后思索只运用一个袋子的状况(这种分法只要1种),把一切子状况的分法数相加求出总分法. 进一步剖析,运用k个袋子装n个球(袋子不空),一共有几种分法的问题能够转化为k个数相加等于n的种数问题. 运用5个袋子装8个球则有3种: 1+1+1+1+4 = 8 1+1…

Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2237    Accepted Submission(s): 859 Problem Description Mr. West bought a new car! So he is travelling around the city. One day he comes to a vert…