Valid Anagram

#include <iostream>
#include <string>

using namespace std;

bool validAnagram(string s1,string s2)
{
    if( s1.size()!=s2.size() )
        return false;
    int i,j;
    for(i=0;i<s1.size();i++){
        for(j=0;j<s2.size();j++){
            if( s1[i]==s2[j] )
                break;
        }
        if( j==s2.size() ) break;
    }
    return i==s1.size();
}
int main()
{
   cout << validAnagram("race", "crre") << endl;

   return 0;
}