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汚染#1 -String- [難易度:0]:
回答1:
using System.Text.RegularExpressions;
public class Kata {
public static string Contamination(string text, string character)
=> new Regex(@".").Replace(text, character);
}
回答2:
using System;
using System.Linq;
public class Kata
{
public static string Contamination(string text, string character)
{
return String.Join("", Enumerable.Repeat(character, text.Length));
}
}
回答3:
using System.Linq;
public class Kata
{
public static string Contamination(string text, string character) => string.Concat(Enumerable.Repeat(character, text.Length));
}
回答4:
using System.Linq;
public class Kata
{
public static string Contamination(string text, string character)
{
return string.Concat(Enumerable.Repeat(character, text.Length));
}
}
回答5:
using System;
public class Kata
{
public static string Contamination(string text, string character)
{
if (text == "" || character == String.Empty)
{
return "";
}
var temp = "";
for (int i = 0; i < text.Length; i++)
{
temp += character;
}
return temp;
}
}
A6:
public class Kata
{
public static string Contamination(string text, string character)
{
var temp = "";
for (int i = 0; i < text.Length; i++)
{
temp += character;
}
return temp;
}
}
A7:
public class Kata
{
public static string Contamination(string text, string character)
{
if (text == string.Empty || character == string.Empty) return string.Empty;
return string.Empty.PadLeft(text.Length, character[0]);
}
}
A8:
using System.Linq;
using System;
public class Kata
{
public static string Contamination(string text, string character)
{
return (character == null) ? null : String.Concat(Enumerable.Repeat(character, text.Length)) ;
}
}
A9:
using System.Linq;
public class Kata
{
public static string Contamination(string text, string character) =>
character == "" ? "" : string.Concat(Enumerable.Repeat(character, text.Length));
}
10回答:
public class Kata
{
public static string Contamination(string text, string character)
{
return string.IsNullOrEmpty(character) ? "" : new string(character[0], text.Length);
}
}