Rewrite better code [Interview Question] | C# Online Compiler

Rewrite better code [Interview Question] by Anonymous

using System;

public class Program
{
	public static void Main()
	{
		var n = studentList.Length;
		for (int i = 0; i < n * 2; i++)
		{
			if (studentList[i % n].sex == (i < n ? 'M' : 'F'))
			{
				Console.WriteLine(string.Format("{0} - {1}", studentList[i % n].name, studentList[i % n].sex));
			}
		}
	}

	//Question
	public class Student
	{
		public string name;
		public char sex;
	}

	public static Student[] studentList = new Student[]{new Student()
	{name = "Martin", sex = 'M'}, new Student()
	{name = "Jenny", sex = 'F'}, new Student()
	{name = "Wendy", sex = 'F'}, new Student()
	{name = "Siti", sex = 'F'}, new Student()
	{name = "Thomas", sex = 'M'}, new Student()
	{name = "Siva", sex = 'M'}, new Student()
	{name = "Mun Hui", sex = 'F'}, new Student()
	{name = "Richard", sex = 'M'}, new Student()
	{name = "Kumar", sex = 'M'}, new Student()
	{name = "Isah", sex = 'F'}, new Student()
	{name = "Samson", sex = 'M'}, };
/*
	Write a program to print studentList in format: "{name}--{sex}". But got some conditions: 
	- Boys first, followed by girls . 
	- You can use only one For / While Loop (either one), and nested For / While Loop is NOT allowed. 
	- ONLY basic data type variable can be used such as: int. long, float, double and bool. 
	- Array, List, String and StringBuffér are NOT allowed. 
	*/
}

​x
 
using System;
​
public class Program
{
    public static void Main()
    {
        var n = studentList.Length;
        for (int i = 0; i < n * 2; i++)
        {
            if (studentList[i % n].sex == (i < n ? 'M' : 'F'))
            {
                Console.WriteLine(string.Format("{0} - {1}", studentList[i % n].name, studentList[i % n].sex));
            }
        }
    }
​
    //Question
    public class Student
    {
        public string name;
        public char sex;
    }
​
    public static Student[] studentList = new Student[]{new Student()
    {name = "Martin", sex = 'M'}, new Student()
    {name = "Jenny", sex = 'F'}, new Student()
    {name = "Wendy", sex = 'F'}, new Student()
    {name = "Siti", sex = 'F'}, new Student()
    {name = "Thomas", sex = 'M'}, new Student()
    {name = "Siva", sex = 'M'}, new Student()
    {name = "Mun Hui", sex = 'F'}, new Student()
    {name = "Richard", sex = 'M'}, new Student()
    {name = "Kumar", sex = 'M'}, new Student()
    {name = "Isah", sex = 'F'}, new Student()
    {name = "Samson", sex = 'M'}, };
/*
    Write a program to print studentList in format: "{name}--{sex}". But got some conditions: 
    - Boys first, followed by girls . 
    - You can use only one For / While Loop (either one), and nested For / While Loop is NOT allowed. 
    - ONLY basic data type variable can be used such as: int. long, float, double and bool. 
    - Array, List, String and StringBuffér are NOT allowed. 
    */
}

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Cipher: r Crib: l E: g
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Cipher: p Crib: o E: b
Cipher: c Crib: l E: r
Cipher: a Crib: n E: n
Key: gqvzbrn
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Cipher: y Crib: l E: n
Cipher: i Crib: i E: a
Cipher: b Crib: n E: o
Cipher: p Crib: c E: n
Cipher: c Crib: o E: o
Cipher: a Crib: l E: p
Cipher: r Crib: n E: e
Key: naonope
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Cipher: i Crib: l E: x
Cipher: b Crib: i E: t
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Cipher: c Crib: c E: a
Cipher: a Crib: o E: m
Cipher: r Crib: l E: g
Cipher: r Crib: n E: e
Key: xtcamge
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Cipher: b Crib: l E: q
Cipher: p Crib: i E: h
Cipher: c Crib: n E: p
Cipher: a Crib: c E: y
Cipher: r Crib: o E: d
Cipher: r Crib: l E: g
Cipher: r Crib: n E: e
Key: qhpydge
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Cipher: p Crib: l E: e
Cipher: c Crib: i E: u
Cipher: a Crib: n E: n
Cipher: r Crib: c E: p
Cipher: r Crib: o E: d
Cipher: r Crib: l E: g
Cipher: w Crib: n E: j
Key: eunpdgj
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Cipher: c Crib: l E: r
Cipher: a Crib: i E: s
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Cipher: r Crib: c E: p
Cipher: r Crib: o E: d
Cipher: w Crib: l E: l
Cipher: e Crib: n E: r
Key: rsepdlr
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Cipher: a Crib: l E: p
Cipher: r Crib: i E: j
Cipher: r Crib: n E: e
Cipher: r Crib: c E: p
Cipher: w Crib: o E: i
Cipher: e Crib: l E: t
Cipher: r Crib: n E: e
Key: pjepite
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Cipher: r Crib: l E: g
Cipher: r Crib: i E: j
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Cipher: w Crib: c E: u
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Cipher: r Crib: l E: g
Cipher: y Crib: n E: l
Key: gjeuqgl
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Cipher: r Crib: l E: g
Cipher: r Crib: i E: j
Cipher: w Crib: n E: j
Cipher: e Crib: c E: c
Cipher: r Crib: o E: d
Cipher: y Crib: l E: n
Cipher: b Crib: n E: o
Key: gjjcdno
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Cipher: r Crib: l E: g
Cipher: w Crib: i E: o
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Cipher: r Crib: c E: p
Cipher: y Crib: o E: k
Cipher: b Crib: l E: q
Cipher: r Crib: n E: e
Key: gorpkqe
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Cipher: w Crib: l E: l
Cipher: e Crib: i E: w
Cipher: r Crib: n E: e
Cipher: y Crib: c E: w
Cipher: b Crib: o E: n
Cipher: r Crib: l E: g
Cipher: m Crib: n E: z
Key: lwewngz
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Cipher: e Crib: l E: t
Cipher: r Crib: i E: j
Cipher: y Crib: n E: l
Cipher: b Crib: c E: z
Cipher: r Crib: o E: d
Cipher: m Crib: l E: b
Cipher: p Crib: n E: c
Key: tjlzdbc
---------------------------------
Cipher: r Crib: l E: g
Cipher: y Crib: i E: q
Cipher: b Crib: n E: o
Cipher: r Crib: c E: p
Cipher: m Crib: o E: y
Cipher: p Crib: l E: e
Cipher: e Crib: n E: r
Key: gqopyer
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Cipher: y Crib: l E: n
Cipher: b Crib: i E: t
Cipher: r Crib: n E: e
Cipher: m Crib: c E: k
Cipher: p Crib: o E: b
Cipher: e Crib: l E: t
Cipher: e Crib: n E: r
Key: ntekbtr
---------------------------------
Cipher: b Crib: l E: q
Cipher: r Crib: i E: j
Cipher: m Crib: n E: z
Cipher: p Crib: c E: n
Cipher: e Crib: o E: q
Cipher: e Crib: l E: t
Cipher: r Crib: n E: e
Key: qjznqte
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Cipher: r Crib: l E: g
Cipher: m Crib: i E: e
Cipher: p Crib: n E: c
Cipher: e Crib: c E: c
Cipher: e Crib: o E: q
Cipher: r Crib: l E: g
Cipher: x Crib: n E: k
Key: geccqgk
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Cipher: m Crib: l E: b
Cipher: p Crib: i E: h
Cipher: e Crib: n E: r
Cipher: e Crib: c E: c
Cipher: r Crib: o E: d
Cipher: x Crib: l E: m
Cipher: x Crib: n E: k
Key: bhrcdmk
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Cipher: p Crib: l E: e
Cipher: e Crib: i E: w
Cipher: e Crib: n E: r
Cipher: r Crib: c E: p
Cipher: x Crib: o E: j
Cipher: x Crib: l E: m
Cipher: i Crib: n E: v
Key: ewrpjmv
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Cipher: e Crib: l E: t
Cipher: e Crib: i E: w
Cipher: r Crib: n E: e
Cipher: x Crib: c E: v
Cipher: x Crib: o E: j
Cipher: i Crib: l E: x
Cipher: o Crib: n E: b
Key: twevjxb
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Cipher: e Crib: l E: t
Cipher: r Crib: i E: j
Cipher: x Crib: n E: k
Cipher: x Crib: c E: v
Cipher: i Crib: o E: u
Cipher: o Crib: l E: d
Cipher: m Crib: n E: z
Key: tjkvudz
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Cipher: r Crib: l E: g
Cipher: x Crib: i E: p
Cipher: x Crib: n E: k
Cipher: i Crib: c E: g
Cipher: o Crib: o E: a
Cipher: m Crib: l E: b
Cipher: w Crib: n E: j
Key: gpkgabj
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Cipher: x Crib: l E: m
Cipher: x Crib: i E: p
Cipher: i Crib: n E: v
Cipher: o Crib: c E: m
Cipher: m Crib: o E: y
Cipher: w Crib: l E: l
Cipher: t Crib: n E: g
Key: mpvmylg
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Cipher: x Crib: l E: m
Cipher: i Crib: i E: a
Cipher: o Crib: n E: b
Cipher: m Crib: c E: k
Cipher: w Crib: o E: i
Cipher: t Crib: l E: i
Cipher: n Crib: n E: a
Key: mabkiia
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Cipher: i Crib: l E: x
Cipher: o Crib: i E: g
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Cipher: w Crib: c E: u
Cipher: t Crib: o E: f
Cipher: n Crib: l E: c
Cipher: f Crib: n E: s
Key: xgzufcs
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Cipher: o Crib: l E: d
Cipher: m Crib: i E: e
Cipher: w Crib: n E: j
Cipher: t Crib: c E: r
Cipher: n Crib: o E: z
Cipher: f Crib: l E: u
Cipher: z Crib: n E: m
Key: dejrzum
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Cipher: m Crib: l E: b
Cipher: w Crib: i E: o
Cipher: t Crib: n E: g
Cipher: n Crib: c E: l
Cipher: f Crib: o E: r
Cipher: z Crib: l E: o
Cipher: r Crib: n E: e
Key: boglroe
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Cipher: w Crib: l E: l
Cipher: t Crib: i E: l
Cipher: n Crib: n E: a
Cipher: f Crib: c E: d
Cipher: z Crib: o E: l
Cipher: r Crib: l E: g
Cipher: r Crib: n E: e
Key: lladlge
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Cipher: t Crib: l E: i
Cipher: n Crib: i E: f
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Cipher: z Crib: c E: x
Cipher: r Crib: o E: d
Cipher: r Crib: l E: g
Cipher: y Crib: n E: l
Key: ifsxdgl
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Cipher: n Crib: l E: c
Cipher: f Crib: i E: x
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Cipher: r Crib: c E: p
Cipher: r Crib: o E: d
Cipher: y Crib: l E: n
Cipher: b Crib: n E: o
Key: cxmpdno
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Cipher: f Crib: l E: u
Cipher: z Crib: i E: r
Cipher: r Crib: n E: e
Cipher: r Crib: c E: p
Cipher: y Crib: o E: k
Cipher: b Crib: l E: q
Cipher: m Crib: n E: z
Key: urepkqz
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Cipher: z Crib: l E: o
Cipher: r Crib: i E: j
Cipher: r Crib: n E: e
Cipher: y Crib: c E: w
Cipher: b Crib: o E: n
Cipher: m Crib: l E: b
Cipher: z Crib: n E: m
Key: ojewnbm
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Cipher: r Crib: l E: g
Cipher: r Crib: i E: j
Cipher: y Crib: n E: l
Cipher: b Crib: c E: z
Cipher: m Crib: o E: y
Cipher: z Crib: l E: o
Cipher: c Crib: n E: p
Key: gjlzyop
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Cipher: r Crib: l E: g
Cipher: y Crib: i E: q
Cipher: b Crib: n E: o
Cipher: m Crib: c E: k
Cipher: z Crib: o E: l
Cipher: c Crib: l E: r
Cipher: h Crib: n E: u
Key: gqoklru
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Cipher: y Crib: l E: n
Cipher: b Crib: i E: t
Cipher: m Crib: n E: z
Cipher: z Crib: c E: x
Cipher: c Crib: o E: o
Cipher: h Crib: l E: w
Cipher: n Crib: n E: a
Key: ntzxowa
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Cipher: b Crib: l E: q
Cipher: m Crib: i E: e
Cipher: z Crib: n E: m
Cipher: c Crib: c E: a
Cipher: h Crib: o E: t
Cipher: n Crib: l E: c
Cipher: d Crib: n E: q
Key: qematcq
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Cipher: m Crib: l E: b
Cipher: z Crib: i E: r
Cipher: c Crib: n E: p
Cipher: h Crib: c E: f
Cipher: n Crib: o E: z
Cipher: d Crib: l E: s
Cipher: p Crib: n E: c
Key: brpfzsc
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Cipher: z Crib: l E: o
Cipher: c Crib: i E: u
Cipher: h Crib: n E: u
Cipher: n Crib: c E: l
Cipher: d Crib: o E: p
Cipher: p Crib: l E: e
Cipher: x Crib: n E: k
Key: ouulpek
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Cipher: c Crib: l E: r
Cipher: h Crib: i E: z
Cipher: n Crib: n E: a
Cipher: d Crib: c E: b
Cipher: p Crib: o E: b
Cipher: x Crib: l E: m
Cipher: h Crib: n E: u
Key: rzabbmu
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Cipher: h Crib: l E: w
Cipher: n Crib: i E: f
Cipher: d Crib: n E: q
Cipher: p Crib: c E: n
Cipher: x Crib: o E: j
Cipher: h Crib: l E: w
Cipher: d Crib: n E: q
Key: wfqnjwq
---------------------------------
Cipher: n Crib: l E: c
Cipher: d Crib: i E: v
Cipher: p Crib: n E: c
Cipher: x Crib: c E: v
Cipher: h Crib: o E: t
Cipher: d Crib: l E: s
Cipher: z Crib: n E: m
Key: cvcvtsm
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Cipher: d Crib: l E: s
Cipher: p Crib: i E: h
Cipher: x Crib: n E: k
Cipher: h Crib: c E: f
Cipher: d Crib: o E: p
Cipher: z Crib: l E: o
Cipher: t Crib: n E: g
Key: shkfpog
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Cipher: p Crib: l E: e
Cipher: x Crib: i E: p
Cipher: h Crib: n E: u
Cipher: d Crib: c E: b
Cipher: z Crib: o E: l
Cipher: t Crib: l E: i
Cipher: p Crib: n E: c
Key: epublic
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Cipher: x Crib: l E: m
Cipher: h Crib: i E: z
Cipher: d Crib: n E: q
Cipher: z Crib: c E: x
Cipher: t Crib: o E: f
Cipher: p Crib: l E: e
Cipher: d Crib: n E: q
Key: mzqxfeq
---------------------------------
Cipher: h Crib: l E: w
Cipher: d Crib: i E: v
Cipher: z Crib: n E: m
Cipher: t Crib: c E: r
Cipher: p Crib: o E: b
Cipher: d Crib: l E: s
Cipher: v Crib: n E: i
Key: wvmrbsi
---------------------------------
Cipher: d Crib: l E: s
Cipher: z Crib: i E: r
Cipher: t Crib: n E: g
Cipher: p Crib: c E: n
Cipher: d Crib: o E: p
Cipher: v Crib: l E: k
Cipher: v Crib: n E: i
Key: srgnpki
---------------------------------
Cipher: z Crib: l E: o
Cipher: t Crib: i E: l
Cipher: p Crib: n E: c
Cipher: d Crib: c E: b
Cipher: v Crib: o E: h
Cipher: v Crib: l E: k
Cipher: h Crib: n E: u
Key: olcbhku
---------------------------------
Cipher: t Crib: l E: i
Cipher: p Crib: i E: h
Cipher: d Crib: n E: q
Cipher: v Crib: c E: t
Cipher: v Crib: o E: h
Cipher: h Crib: l E: w
Cipher: w Crib: n E: j
Key: ihqthwj
---------------------------------
Cipher: p Crib: l E: e
Cipher: d Crib: i E: v
Cipher: v Crib: n E: i
Cipher: v Crib: c E: t
Cipher: h Crib: o E: t
Cipher: w Crib: l E: l
Cipher: u Crib: n E: h
Key: evittlh
---------------------------------
Cipher: d Crib: l E: s
Cipher: v Crib: i E: n
Cipher: v Crib: n E: i
Cipher: h Crib: c E: f
Cipher: w Crib: o E: i
Cipher: u Crib: l E: j
Cipher: t Crib: n E: g
Key: snifijg
---------------------------------
Cipher: v Crib: l E: k
Cipher: v Crib: i E: n
Cipher: h Crib: n E: u
Cipher: w Crib: c E: u
Cipher: u Crib: o E: g
Cipher: t Crib: l E: i
Cipher: l Crib: n E: y
Key: knuugiy
---------------------------------
Cipher: v Crib: l E: k
Cipher: h Crib: i E: z
Cipher: w Crib: n E: j
Cipher: u Crib: c E: s
Cipher: t Crib: o E: f
Cipher: l Crib: l E: a
Cipher: t Crib: n E: g
Key: kzjsfag
---------------------------------
Cipher: h Crib: l E: w
Cipher: w Crib: i E: o
Cipher: u Crib: n E: h
Cipher: t Crib: c E: r
Cipher: l Crib: o E: x
Cipher: t Crib: l E: i
Cipher: t Crib: n E: g
Key: wohrxig
---------------------------------
Cipher: w Crib: l E: l
Cipher: u Crib: i E: m
Cipher: t Crib: n E: g
Cipher: l Crib: c E: j
Cipher: t Crib: o E: f
Cipher: t Crib: l E: i
Cipher: e Crib: n E: r
Key: lmgjfir
---------------------------------
Cipher: u Crib: l E: j
Cipher: t Crib: i E: l
Cipher: l Crib: n E: y
Cipher: t Crib: c E: r
Cipher: t Crib: o E: f
Cipher: e Crib: l E: t
Cipher: n Crib: n E: a
Key: jlyrfta
---------------------------------
Cipher: t Crib: l E: i
Cipher: l Crib: i E: d
Cipher: t Crib: n E: g
Cipher: t Crib: c E: r
Cipher: e Crib: o E: q
Cipher: n Crib: l E: c
Cipher: u Crib: n E: h
Key: idgrqch
---------------------------------
Cipher: l Crib: l E: a
Cipher: t Crib: i E: l
Cipher: t Crib: n E: g
Cipher: e Crib: c E: c
Cipher: n Crib: o E: z
Cipher: u Crib: l E: j
Cipher: c Crib: n E: p
Key: algczjp
---------------------------------
Cipher: t Crib: l E: i
Cipher: t Crib: i E: l
Cipher: e Crib: n E: r
Cipher: n Crib: c E: l
Cipher: u Crib: o E: g
Cipher: c Crib: l E: r
Cipher: g Crib: n E: t
Key: ilrlgrt
---------------------------------
Cipher: t Crib: l E: i
Cipher: e Crib: i E: w
Cipher: n Crib: n E: a
Cipher: u Crib: c E: s
Cipher: c Crib: o E: o
Cipher: g Crib: l E: v
Cipher: y Crib: n E: l
Key: iwasovl
---------------------------------
Cipher: e Crib: l E: t
Cipher: n Crib: i E: f
Cipher: u Crib: n E: h
Cipher: c Crib: c E: a
Cipher: g Crib: o E: s
Cipher: y Crib: l E: n
Run-time exception (line 26): Index was outside the bounds of the array.

Stack Trace:

[System.IndexOutOfRangeException: Index was outside the bounds of the array.]
at System.String.get_Chars(Int32 index)
at Program.Main() :line 26

Last Run:	9:38:21 pm
Compile:	0.299s
Execute:	0.006s
Memory:	338.43kb
CPU:	0.062s

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