C++ :

#include <iostream>
#include <algorithm>
#include <vector>
#include <cstring>
using namespace std;

string dfs(string a,int &x){
	vector<string> v;
	x++;
	while(a[x]=='0') v.push_back(dfs(a,x));
	x++;
	sort(v.begin(),v.end());
	string ans="0";
	for(auto it:v) ans+=it;
	ans+="1";
	return ans;
}

int main()
{
	int t;
	cin>>t;
	while(t--){
		string a,b;
		cin>>a>>b;
		a="0"+a+"1";
		b="0"+b+"1";
		int au=0,bu=0; 
		if(dfs(a,au)==dfs(b,bu)){
			cout<<"same"<<endl;
		}else{
			cout<<"different"<<endl;
		}
	}
	return 0;
}

#include <iostream> #include <algorithm> #include <vector> #include <cstring> using namespace std;

string dfs(string a,int &x){ vector<string> v; x++; while(a[x]=='0') v.push_back(dfs(a,x)); x++; sort(v.begin(),v.end()); string ans="0"; for(auto it:v) ans+=it; ans+="1"; return ans; }

int main() { int t; cin>>t; while(t--){ string a,b; cin>>a>>b; a="0"+a+"1"; b="0"+b+"1"; int au=0,bu=0; if(dfs(a,au)==dfs(b,bu)){ cout<<"same"<<endl; }else{ cout<<"different"<<endl; } } return 0; }