摘要: 求逆序数 时间限制:2000 ms | 内存限制:65535 KB 难度:5 在一个排列中,如果一对数的前后位置与大小顺序相反,即前面的数大于后面的数,那么它们就称为一个逆序。一个排列中逆序的总数就称为这个排列的逆序数。 现在,给你一个N个元素的序列,请你判断出它的逆序数是多少。 比如 1 3 2 阅读全文
posted @ 2015-09-12 21:17 handsomecui 阅读(831) 评论(0) 推荐(0)
摘要: Hat's FibonacciTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 9394Accepted Submission(s): 3065Pro... 阅读全文
posted @ 2015-09-12 18:09 handsomecui 阅读(345) 评论(0) 推荐(0)
摘要: Baskets of Gold CoinsTime Limit: 1000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1862Accepted Submission(s): 1... 阅读全文
posted @ 2015-09-12 16:27 handsomecui 阅读(281) 评论(0) 推荐(0)
摘要: Permutation RecoveryTime Limit: 10000/4000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 451Accepted Submission(s): 31... 阅读全文
posted @ 2015-09-12 16:18 handsomecui 阅读(502) 评论(0) 推荐(0)