using System;
using System.Linq;
 
class student
{
public string 学号 { get; set; }
public string 姓名 { get; set; }
public bool 性别 { get; set; }
public int 年龄 { get; set; }
public student(string 学号, string 姓名, bool 性别, int 年龄)
{
this.学号 = 学号;
this.姓名 = 姓名;
this.性别 = 性别;
this.年龄 = 年龄;
}
}
 
public class Test
{
	public static void Main()
	{
student[] arr = new student[10];
for (int i = 0; i < 10; i++)
{
string 学号 = Console.ReadLine();
string 姓名 = Console.ReadLine();
bool 性别 = Console.ReadLine() == "男";
int 年龄 = int.Parse(Console.ReadLine());
arr[i] = new student(学号, 姓名, 性别, 年龄);
}
foreach (student s in arr.OrderBy(x => x.年龄))
{
Console.WriteLine("{0} {1} {2} {3}", s.学号, s.姓名, s.性别, s.年龄);
}
	}
}

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1
a1
男
20
2
a2
男
22
3
a3
女
24
4
a4
男
19
5
a5
女
22
6
a6
男
26
7
a7
男
25
8
a8
女
30
9
a9
男
24
10
a10
男
20