Mr Zhang

摘要： 1029 Median （25 分） Given an increasing sequence S of N integers, the median is the number at the middle position. For example, the median of S1 = { 11 阅读全文

摘要： 1027 Colors in Mars （20 分） People in Mars represent the colors in their computers in a similar way as the Earth people. That is, a color is represente 阅读全文

摘要： 1028 List Sorting （25 分） Excel can sort records according to any column. Now you are supposed to imitate this function. Input Specification: Each inpu 阅读全文

摘要： 1025 PAT Ranking （25 分） Programming Ability Test (PAT) is organized by the College of Computer Science and Technology of Zhejiang University. Each tes 阅读全文

摘要： 1024 Palindromic Number （25 分） A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 阅读全文

摘要： Notice that the number 123456789 is a 9-digit number consisting exactly the numbers from 1 to 9, with no duplication. Double it we will obtain 2469135 阅读全文

摘要： A Digital Library contains millions of books, stored according to their titles, authors, key words of their abstracts, publishers, and published years 阅读全文

摘要： for i in range(1,10): for j in range(i,10): s='%d*%d=%d'%(10-i,10-j,(10-i)*(10-j)) print(s,end=' ') print() 9*9=81 9*8=72 9*7=63 9*6=54 9*5=45 9*4=36 9*3=27 9*2=18 9*1=9 ... 阅读全文

摘要： A graph which is connected and acyclic can be considered a tree. The hight of the tree depends on the selected root. Now you are supposed to find the 阅读全文

摘要： A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 1234321 is a palindromic number 阅读全文