【PAT】1060. Are They Equal

#define LOCAL
#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cmath>
#include <string>
#include <vector>
#include <set>
using namespace std;

int n;
string deal(string s,int& e){
    int k=0;
    while(s.length()>0&&s[0]=='0'){
        s.erase(s.begin());
    }
    if(s[0]=='.'){
        s.erase(s.begin());
        while(s.length()>0&&s[0]=='0'){
            e--;s.erase(s.begin());
        }
    }else{
        while(s[k]!='.'&&k<s.length()){
            k++;e++;
        }
        if(k<s.length()) s.erase(s.begin()+k);
    }
    if(s.length()==0)e=0;
    int num=0;
    k=0;
    string res;
    while(num<n){
        if(k<s.length()) res+=s[k++];
        else res+='0';
        num++;
    }
    return res;
}
int main()
{
    #ifdef LOCAL
        freopen("data.in","r",stdin);
        freopen("data.out","w",stdout);
    #endif // LOCAL

    string s1,s2,s3,s4;
    cin>>n>>s1>>s2;
    int e1=0,e2=0;
    s3=deal(s1,e1);
    s4=deal(s2,e2);
    if(s3==s4&&e1==e2){
        cout<<"YES 0."<<s3<<"*10^"<<e1<<endl;
    }else{
        cout<<"NO 0."<<s3<<"*10^"<<e1<<" 0."<<s4<<"*10^"<<e2<<endl;
    }

    return 0;
}