shunfurh
编程介的小学生
2019-01-01 00:03
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一个比较特别的C语言排序问题,如何运用字符串的办法实现排序?

Problem Description
There are many people's name and birth in a list.Your task is to print the name from young to old.(There is no pair of two has the same age.)

Input
First line contains a single integer T≤100 which denotes the number of test cases.

For each test case, there is an positive integer n(1≤n≤100) which denotes the number of people,and next n lines,each line has a name and a birth's year(1900-2015) separated by one space.

The length of name is positive and not larger than 100.Notice name only contain letter(s),digit(s) and space(s).

Output
For each case, output n lines.

Sample Input
2
1
FancyCoder 1996
2
FancyCoder 1996
xyz111 1997

Sample Output
FancyCoder
xyz111
FancyCoder

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