题目链接:http://codeforces.com/problemset/problem/93/B B. End of Exams time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Students love to celebrate their holidays. Especially if the holiday is th…
非诚勿扰 Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others) Total Submission(s): 566 Accepted Submission(s): 249 Problem Description 作为2013年699万应届毕业生中的一员,由于宏观经济的不景气,小明在毕业当天就华丽丽地失业了! 经历了千难万苦的求职过程,小明特别能理解毕业生的就业之难,所以,他现在准…
Sort it You want to processe a sequence of n distinct integers by swapping two adjacent sequence elements until the sequence is sorted in ascending order. Then how many times it need. For example, 1 2 3 5 4, we only need one operation : swap 5 and 4.…
Given a string, sort it in decreasing order based on the frequency of characters. Example 1: Input: "tree" Output: "eert" Explanation: 'e' appears twice while 'r' and 't' both appear once. So 'e' must appear before both 'r' and 't'. Th…
11.7 A circus is designing a tower routine consisting of people standing atop one another's shoulders. For practical and aesthetic reasons, each person must be both shorter and lighter than the person below him or her. Given the heights and weights o…