Anagram

AnagramChecker/anagram_checker.cpp

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+// C++ program to check if two strings 
+// are anagrams of each other 
+#include <bits/stdc++.h> 
+using namespace std; 
+#define NO_OF_CHARS 256 
+
+/* function to check whether two strings are anagram of 
+each other */
+bool areAnagram(char* str1, char* str2) 
+{ 
+	// Create 2 count arrays and initialize all values as 0 
+	int count1[NO_OF_CHARS] = { 0 }; 
+	int count2[NO_OF_CHARS] = { 0 }; 
+	int i; 
+
+	// For each character in input strings, increment count in 
+	// the corresponding count array 
+	for (i = 0; str1[i] && str2[i]; i++) { 
+		count1[str1[i]]++; 
+		count2[str2[i]]++; 
+	} 
+
+	// If both strings are of different length. Removing this 
+	// condition will make the program fail for strings like 
+	// "aaca" and "aca" 
+	if (str1[i] || str2[i]) 
+		return false; 
+
+	// Compare count arrays 
+	for (i = 0; i < NO_OF_CHARS; i++) 
+		if (count1[i] != count2[i]) 
+			return false; 
+
+	return true; 
+} 
+
+/* Driver code*/
+int main() 
+{ 
+	char str1[] = "helloworld"; 
+	char str2[] = "heworldllo"; 
+	if (areAnagram(str1, str2)) 
+		cout << "The two strings are anagram of each other"; 
+	else
+		cout << "The two strings are not anagram of each other"; 
+
+	return 0; 
+} 
+
+// This is code is contributed by rathbhupendra