[cpp]
#include<fstream>
#include<iostream>
#include<vector>
#include<string>
#include<algorithm>
using namespace std;
int main()
{
//ifstream cin("acmilan.txt");
string sa,sb,t;
vector<int>v;
int i;
int a,b,sum;
int flag;
while(cin>>sa>>sb)
{
flag=0;
v.clear();
sum=0;
reverse(sa.begin(),sa.end());
reverse(sb.begin(),sb.end());
if(sa.size()<sb.size())
{
t=sa;
sa=sb;
sb=t;
}
for(i=0;i<sa.size();i++)
{
if(sa[i]=='0') a=0;
else if(sa[i]=='1') a=1;
else if(sa[i]=='2') a=2;
else if(sa[i]=='3') a=3;
else if(sa[i]=='4') a=4;
else if(sa[i]=='5') a=5;
else if(sa[i]=='6') a=6;
else if(sa[i]=='7') a=7;
else if(sa[i]=='8') a=8;
else if(sa[i]=='9') a=9;
else if(sa[i]=='a') a=10;
else if(sa[i]=='b') a=11;
else if(sa[i]=='c') a=12;
else if(sa[i]=='d') a=13;
else if(sa[i]=='e') a=14;
else if(sa[i]=='f') a=15;
else if(sa[i]=='g') a=16;
else if(sa[i]=='h') a=17;
else if(sa[i]=='i') a=18;
else if(sa[i]=='j') a=19;
if(i>=sb.size()) b=0;
else
{
if(sb[i]=='0') b=0;
else if(sb[i]=='1') b=1;
else if(sb[i]=='2') b=2;
else if(sb[i]=='3') b=3;
else if(sb[i]=='4') b=4;
else if(sb[i]=='5') b=5;
else if(sb[i]=='6') b=6;
else if(sb[i]=='7') b=7;
else if(sb[i]=='8') b=8;
else if(sb[i]=='9') b=9;
else if(sb[i]=='a') b=10;
else if(sb[i]=='b') b=11;
else if(sb[i]=='c') b=12;
else if(sb[i]=='d') b=13;
else if(sb[i]=='e') b=14;
else if(sb[i]=='f') b=15;
else if(sb[i]=='g') b=16;
else if(sb[i]=='h') b=17;
else if(sb[i]=='i') b=18;
else if(sb[i]=='j') b=19;
}
sum=a+b+flag;
if(sum>19)
{
sum-=20;
flag=1;
}
else
{
flag=0;
}
v.push_back(sum);
}
if(flag==1) v.push_back(1);
for(i=v.size()-1;i>=0;i--)
{
if(v[i]<10) cout<<v[i];
else if(v[i]==10) cout<<"a";
else if(v[i]==11) cout<<"b";
else if(v[i]==12) cout<<"c";
else if(v[i]==13) cout<<"d";
else if(v[i]==14) cout<<"e";
else if(v[i]==15) cout<<"f";
else if(v[i]==16) cout<<"g";
else if(v[i]==17) cout<<"h";
else if(v[i]==18) cout<<"i";
else if(v[i]==19) cout<<"j";
}
cout<<endl;
}
//system("pause");
return 0;
}
作者：teibin
