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#include<iostream>
#include<sstream>
#include<algorithm>
#include<map>
using namespace std;
//int->char用map实现
map<int,char> M={{0,'0'},{1,'1'},{2,'2'},{3,'3'},{4,'4'},{5,'5'},{6,'6'},{7,'7'},{8,'8'},{9,'9'},
{10,'A'},{11,'B'},{12,'C'},{13,'D'},{14,'E'},{15,'F'}};
//转十六进制
string Change(int n){
int mod=n%16;
n/=16;
string s;
s+=M[n];
s+=M[mod];
return s;
}
//中间用十进制转换
int Decimal(string s){
int n=0;
for(int i=0;i<s.length();i++){
n=n*10+s[i]-'0';
}
return n;
} ...
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