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14. Longest Common Prefix

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Пытков Роман
2024-01-30 23:47:49 +03:00
parent 66ea6b80f4
commit 1e43adf29e
5 changed files with 125 additions and 19 deletions
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89
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11
14. Longest Common Prefix/14. Longest Common Prefix.csproj Normal file
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@@ -0,0 +1,11 @@
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6
14. Longest Common Prefix/Program.cs Normal file
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@@ -0,0 +1,6 @@
// See https://aka.ms/new-console-template for more information
using _14._Longest_Common_Prefix;
string[] strs = ["flower", "flow", "flight"];
Console.WriteLine(new Solution().LongestCommonPrefix(strs));

32
14. Longest Common Prefix/Solution.cs Normal file
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@@ -0,0 +1,32 @@
using System.Text;
namespace _14._Longest_Common_Prefix;
public class Solution
{
public string LongestCommonPrefix(string[] strs)
{
if (strs.Length == 1)
return strs[0];
StringBuilder sb = new StringBuilder(256);
int maxLen = strs.Select(s => s.Length).Min();
for (int i = 0; i < maxLen; i++)
{
char letter;
if ((letter = strs[0][i]) != strs[1][i])
break;
for (int j = 2; j < strs.Length; j++)
{
if (letter != strs[j][i])
{
maxLen = -1;
break;
}
}
if(maxLen != -1)
sb.Append(letter);
}
return sb.ToString();
}
}

6
Leetcode.sln
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@@ -165,6 +165,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "15. 3Sum", "15. 3Sum\15. 3S
EndProject
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