Compare two Large Numbers

#include <bits/stdc++.h>
using namespace std;

int main() {
	
	int t; cin>>t;
	
	while(t--)
	{
	    string s1,s2; cin>>s1>>s2;
	    int i=0;
	    while(s1[i]=='0')
	       {
	           s1.erase(i,1);
	           if(s1=="")
	             break;
	           
	       }
	       
	       while(s2[i]=='0')
	         {s2.erase(i,1);
	             if(s2=="")
	               break;
	         }
	    
	    
	    int n1=s1.length(),n2=s2.length();
	    
	    if(n1>n2)
	     cout<<2<<endl;
	    else if(n2>n1)
	     cout<<1<<endl;
	    else
	    {  int i=0;
	        for( i=0;i<n1;i++)
	        {
	            if(s1[i]>s2[i])
	               {
	                   cout<<2<<endl;
	                   break;
	               }
	              else if(s1[i]<s2[i])
	              {
	                  cout<<1<<endl;
	                   break;
	              }
	              else
	               continue;
	        }
	        
	        if(i==n1)
	          cout<<3<<endl;
	    }
	    
	    
	    
	    
	    
	}
	
	return 0;
}