谁说不行的
```cpp
#include<bits/stdc++.h>
using namespace std;
//a,b>=0结果为string类型且去除整数部分前置0、小数部分后置0，小数点为英文句号"."
string jiafa(string a,string b){
string a1="",a2="",b1="",b2="";
{
int i;
for(i=a.length()-1;i>-1;i--){
if(a[i]=='.')break;
a2=a[i]+a2;
}
for(i--;i>-1;i--){
a1=a1+a[i];
}
for(i=b.length()-1;i>-1;i--){
if(b[i]=='.')break;
b2=b[i]+b2;
}
for(i--;i>-1;i--){
b1=b1+b[i];
}
if(a1=="")a1=a2,a2="";
if(b1=="")b1=b2,b2="";
// cout<<a1<<" "<<a2<<" "<<b1<<" "<<b2<<endl;
}
int lena1=a1.length(),lenb1=b1.length(),lena2=a2.length(),lenb2=b2.length();
{
if(lena1<lenb1)for(int i=0;i<lenb1-lena1;i++)a1="0"+a1;
else for(int i=0;i<lena1-lenb1;i++)b1="0"+b1;
if(lena2<lenb2)for(int i=0;i<lenb2-lena2;i++)a2=a2+"0";
else for(int i=0;i<lena2-lenb2;i++)b2=b2+"0";
// cout<<a1<<" "<<a2<<" "<<b1<<" "<<b2<<endl;
}
string ans1="",ans2="";int jinwei=0,yujia;
{
for(int i=max(lena2,lenb2)-1;i>-1;i--){
yujia=(a2[i]-'0'+b2[i]-'0'+jinwei);
ans2=to_string(yujia%10)+ans2;
if(yujia>9)jinwei=1;
else jinwei=0;
}
for(int i=max(lena1,lenb1)-1;i>-1;i--){
yujia=(a1[i]-'0'+b1[i]-'0'+jinwei);
ans1=to_string(yujia%10)+ans1;
if(yujia>9)jinwei=1;
else jinwei=0;
}
if(jinwei!=0)ans1=to_string(jinwei)+ans1;
}
{
string str="";
int i=0;
for(i;i<ans1.length()-1;i++)if(ans1[i]!='0')break;
for(i;i<ans1.length();i++)str=str+ans1[i];
ans1=str;i=ans2.length()-1;str="";
for(i;i>-1;i--)if(ans2[i]!='0')break;
for(i;i>-1;i--)str=ans2[i]+str;
ans2=str;
}
string finish_ans;
if(ans2=="")finish_ans=ans1;
else finish_ans=ans1+"."+ans2;
return finish_ans;
}
int main(){
string a,b;
getline(cin,a);
getline(cin,b);
a.pop_back(),b.pop_back();
cout<<jiafa(a,b);
return 0;
}
```
by _8008008 @ 2024-01-14 18:19:25
不如skibidi toilet
by Cczzyy20150005 @ 2024-01-14 18:35:34
是你程序的问题。
by xiaoshumiao @ 2024-01-14 18:41:58