List Sorting

List Sorting 模仿excel，按不同的column进行排序。（未完）

题目描述

Excel can sort records according to any column.  Now you are supposed to imitate this function.

输入描述:

Each input file contains one test case.  For each case, the first line contains two integers N (<=100000) and C, where N is the number of records and C is the column that you are supposed to sort the records with.  Then N lines follow, each contains a record of a student.  A student's record consists of his or her distinct ID (a 6-digit number), name (a string with no more than 8 characters without space), and grade (an integer between 0 and 100, inclusive).

输出描述:

For each test case, output the sorting result in N lines.  That is, if C = 1 then the records must be sorted in increasing order according to ID's; if C = 2 then the records must be sorted in non-decreasing order according to names; and if C = 3 then the records must be sorted in non-decreasing order according to grades.  If there are several students who have the same name or grade, they must be sorted according to their ID's in increasing order.

输入例子:

3 1
000007 James 85
000010 Amy 90
000001 Zoe 60

输出例子:

000001 Zoe 60
000007 James 85
000010 Amy 90

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List Sorting

List Sorting 模仿excel，按不同的column进行排序。（未完）

题目描述

输入描述:

输出描述:

输入例子:

输出例子:

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