Write a program to check string is anagram or not.

Given a string we have to check whether two string is anagram of each other or not.and print the result.

So what is anagram of string?

anagram of string is a string that contain same character with diffrent order.

Example:

input:silent
output:listen

Logic:

step 1- make two character array and initilise with 0.
step 2-iterate both the string and increment character array value.
step 3-iterate character array if we get both array are equal then it is anagram. 

Code-

#include<bits/stdc++.h>
using namespace std;
int main()
{
    string s1="listen";
    string s2="silent";
  int hash1[26]={0};
  int hash2[26]={0};
    for(int i=0;i<s1.length();i++)
    {
     hash1[s1[i]-'a']++;
    }
     for(int i=0;i<s2.length();i++)
    {
     hash2[s2[i]-'a']++;
    }
    int flag=0;
for(int i=0;i<26;i++)
{
    if(hash1[i]!=hash2[i])
    {
        flag=1;
        break;
    }
}
if(flag==0)
{
    cout<<"anagram"<<endl;
}
else
{
    cout<<"not anagram"<<endl;
}
   
    
}

Output:

anagram

Time complexity:0(N)

Space Complexity:O(N)