#include <cstdio>
#include <cmath>
#include<vector>
#include<cstring>
#include<algorithm>
#include<cmath>
#include<stack>
#include<string>
#include<iostream>
#include<set>
#include<vector>
using namespace std;
int main()
{
char s1[110],s2[110];
while(cin>>s1>>s2)
{
int num[220];
memset(num,0,sizeof(num));
int len1=strlen(s1)-1;
int len2=strlen(s2)-1;
int i;
for(i=0;len1>=0||len2>=0;i++)
{
if(len1>=0)
{
if(s1[len1]>='0'&&s1[len1]<='9')
{
num[i]+=(s1[len1]-'0');
}
else
num[i]+=(s1[len1]-'a'+10);
len1--;
}
if(len2>=0)
{
if(s2[len2]>='0'&&s2[len2]<='9')
{
num[i]+=(s2[len2]-'0');
}
else
num[i]+=(s2[len2]-'a'+10);
len2--;
}
num[i+1]+=num[i]/20;
num[i]=num[i]%20;
}
if(num[i]==0)
i--;
char c;
for(;i>=0;i--)
{
if(num[i]>=0&&num[i]<=9)
c=num[i]+'0';
else
c=num[i]-10+'a';
cout<<c;
}
cout<<endl;
}
return 0;
}
ZOJ Martian Addition (20进制的两个大数相加)
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转载自blog.csdn.net/qq_42232118/article/details/83096760
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