求掉，运行错误，支持互关T_T

# include <bits/stdc++.h>
using namespace std;
int main(){
    int n,ans=0;
    cin>>n;
    string a,b,c;
    for(int i=1;i<=n;i++){
        cin>>a>>b;
        if(a.size()==b.size()){
            ans=0;
            for(int j=0;j<a.size();j++){
                if(a[j]!=b[j]) ans++;
            }
            if(ans>1) cout<<"not similar"<<'\n';
            else cout<<"similar"<<'\n';
        }
        else if(abs(a.size()-b.size())<2){
            if(a.size()>b.size()){
                c=b;
                b=a;
                a=c;
            }
            int x=0,y=0,f=0;
            ans=0;
            while(x<a.size()){
                if(a[x]!=b[y]){
                    ans++;
                    if(ans>2){ f=1;break;}
                    y++;
                }
                else{
                    x++;
                    y++;
                }
            }
            if(f==1) cout<<"not similar"<<'\n';
            else cout<<"similar"<<'\n'; 
        }
        else cout<<"not similar"<<'\n';
    }
    return 0;
}