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+
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+ namespace LeetCodeSolutions . HashMap
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+ {
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+ class Valid_Anagram
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+ {
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+ public bool IsAnagram ( string s , string t )
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+ {
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+ if ( s . Length != t . Length ) return false ;
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+
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+ Dictionary < char , int > counts = new Dictionary < char , int > ( ) ;
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+
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+ foreach ( char c in s )
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+ {
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+ counts [ c ] = counts . GetValueOrDefault ( c , 0 ) + 1 ;
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+ }
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+
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+ foreach ( char c in t )
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+ {
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+ if ( ! counts . ContainsKey ( c ) || counts [ c ] == 0 ) return false ;
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+ counts [ c ] -- ;
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+ }
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+
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+ return true ;
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+ }
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+
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+ [ Test ( Description = "https://leetcode.com/problems/valid-anagram/" ) ]
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+ [ Category ( "Easy" ) ]
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+ [ Category ( "LeetCode" ) ]
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+ [ Category ( "Valid Anagram" ) ]
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+ [ TestCaseSource ( nameof ( Input ) ) ]
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+ [ Category ( "HashMap" ) ]
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+ [ Category ( "TopInterview" ) ]
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+ public void Test1 ( ( bool Output , ( string , string ) Input ) item )
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+ {
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+ var response = IsAnagram ( item . Input . Item1 , item . Input . Item2 ) ;
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+ Assert . That ( response , Is . EqualTo ( item . Output ) ) ;
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+ }
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+
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+ public static IEnumerable < ( bool Output , ( string , string ) Input ) > Input =>
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+ new List < ( bool Output , ( string , string ) Input ) > ( )
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+ {
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+
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+ ( true , ( "anagram" , "nagaram" ) ) ,
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+ ( false , ( "rat" , "car" ) ) ,
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+ } ;
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+ }
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+ }
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![ ] ( https://img.shields.io/badge/Neovim-57A143.svg?logo=Neovim& ; logoColor=white )
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![ ] ( https://img.shields.io/badge/Visual_Studio_Code-0078D4?logo=visual%20studio%20code& ; logoColor=white )
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- ![ ] ( https://img.shields.io/badge/Progress-26 %2F150-0078D4 )
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+ ![ ] ( https://img.shields.io/badge/Progress-27 %2F150-0078D4 )
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This repository contains solutions to the Leetcode Top Interview 150 problems.
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@@ -89,7 +89,7 @@ The Top Interview 150 collection on Leetcode is a curated set of 150 interview q
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| 39 | Ransom Note | Easy | ✅ |
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| 40 | Isomorphic Strings | Easy | ✅ |
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| 41 | Word Pattern | Easy | |
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- | 42 | Valid Anagram | Easy | |
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+ | 42 | Valid Anagram | Easy | ✅ |
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| 43 | Group Anagrams | Medium | |
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| 44 | Two Sum | Easy | |
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| 45 | Happy Number | Easy | |
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