1060 Are They Equal (25 分)

#include<bits/stdc++.h>
using namespace std;
const int maxn=@H_801_154@1010;

int main(){
    int n;
    cin>>n;
    String a,b;
    cin>>a>>b;
    int lena=@H_801_154@0,lenb=@H_801_154@0;
    for(int i=@H_801_154@0;i<a.size();i++){
        if(a[i]=='.'){
            break;
        }
        else{
            lena++;
        }
    }
    for(int i=@H_801_154@0;i<b.size();i++){
        if(b[i]=='.'){
            break;
        }
        else{
            lenb++;
        }
    }
    String suba="";
    for(int i=@H_801_154@0;i<a.size();i++){
        if(a[i]!='.'&&suba.size()<n){
            suba+=a[i];
        }
    }
    while(suba.size()<n){
        suba+='0';
    }
    String subb="";
    for(int i=@H_801_154@0;i<b.size();i++){
        if(b[i]!='.'&&subb.size()<n){
            subb+=b[i];
        }
    }
    while(subb.size()<n){
        subb+='0';
    }
    if(a=="0"){
        cout<<"NO"<<" "<<"0"<<" ";
        cout<<"0."<<subb<<"*10^"<<lenb<<endl;
    }
    else if(b=="0"){
        cout<<"NO"<<" ";
        cout<<"0."<<suba<<"*10^"<<lena<<endl;
        cout<<"0"<<" ";
        
    }
    else if(subb==suba&&lena==lenb){
        cout<<"YES"<<" ";
        cout<<"0."<<suba<<"*10^"<<lena<<endl;
    }
    else{
        cout<<"NO"<<" ";
        cout<<"0."<<suba<<"*10^"<<lena<<" ";
        cout<<"0."<<subb<<"*10^"<<lenb<<endl;
    }

    return @H_801_154@0;
}