D2T1求调

#include<iostream>
#include<cstring>
#include<cstdio>
using namespace std;
int t,f,d,z,r,ze;
string a;
int main(){
    cin>>t;
    while(t--){
        cin>>a;
        f=0,d=0,z=0,r=a.size(),ze=0;
        for(int i=0;i<a.size();i++) if(a[i]=='-') f++;
        if(f>1||(f==1&&a[0]!='-')){
            cout<<-1<<endl;
            continue;
        }
        for(int i=0;i<a.size();i++) if(a[i]=='.') d++;
        if(d>1){
            cout<<-1<<endl;
            continue;
        }
        for(int i=a.size()-1;i>=0;i--){
            if(a[i]!='0'){
                r=i;
                break;
            }
        }
        if(r!=a.size()-1&&d==1){
            cout<<-1<<endl;
            continue;
        }
        if(a[a.size()-1]=='.'){
            cout<<-1<<endl;
            continue;
        }
        if(a[a.size()-1]=='-'){
            cout<<-1<<endl;
            continue;
        }
        if(a[0]=='-'&&a[1]=='0'&&a[2]!='.'){
            cout<<-1<<endl;
            continue;
        }
        if(a[0]=='0'&&a[1]!='.'&&r!=a.size()){
            cout<<-1<<endl;
            continue;
        }
        if(a[0]=='-'&&a[1]=='0'&&r!=a.size()-1){
            cout<<-1<<endl;
            continue;
        }
        if(a[a.size()-1]=='-'){
            cout<<-1<<endl;
            continue;
        }
        if(a[0]=='.'){
            cout<<-1<<endl;
            continue;
        }
        for(int i=0;i<a.size();i++){
            if(a[i]=='0') ze++;
        }
        if((ze==a.size()&&ze>1)||(ze==a.size()-1&&a[0]=='-')){
            cout<<-1<<endl;
            continue;
        }
        for(int i=0;i<a.size();i++){
            if(f==1&&i==0) continue;
            cout<<a[i];
        }
        cout<<endl;
    }
}