```
#include<iostream>
#include<vector>
#include<string>
using namespace std;
vector<int> add(vector<int>&A , vector<int>&B)//计算A+B
{
vector<int> c;
int t=0;
for(int i=0;i<A.size()||i<B.size();i++)
{if(i<A.size())
t+=A[i];
if(i<B.size())
t+=B[i];
c.push_back(t%10);
t/=10;
}
if(t)c.push_back(1);
return c;
}
int main()
{
string a,b;
getline(cin,a);
getline(cin,b);
vector<int>A,B;
for(int i=a.size()-1;i>=0;i--)
{A.push_back(a[i]-'0');
}
for(int i=b.size()-1;i>=0;i--)
{B.push_back(b[i]-'0');
}
vector<int> c=add(A,B);//auto通过后面的变量来判断是什么类型
for(int i=c.size()-1;i>=0;i--)
cout<<c[i];
return 0;
}
```
by hehe123313 @ 2023-09-26 12:46:24
方法1(Python)
```python
a=input()
b=input()
print(int(a)+int(b))
```
方法2(C++)
```cpp
#include<bits/stdc++.h>
using namespace std;
string ak,ioi;
int iakioi[114514],ioiakme[114514],akioi[114514],noip;
int main(){
cin>>ak>>ioi;
int csp_j=ak.size(),csp_s=ioi.size();
for(noip=csp_j-1;noip>=0;noip--)iakioi[csp_j-noip]=ak[noip]-48;
for(noip=csp_s-1;noip>=0;noip--)ioiakme[csp_s-noip]=ioi[noip]-48;
for(noip=1;noip<=max(csp_j,csp_s);noip++)
{
akioi[noip]+=iakioi[noip]+ioiakme[noip];
if(akioi[noip]>=10)
{
akioi[noip+1]++;
akioi[noip]-=10;
}
}
if(akioi[max(csp_j,csp_s)+1])cout<<akioi[max(csp_j,csp_s)+1];
for(int noip=max(csp_j,csp_s);noip>=1;noip--)cout<<akioi[noip];
}
```
((((((((((
by GoodLuckCat @ 2023-09-26 12:58:41