#include<iostream>
#include<string>
using namespace std;
#include<string>
using namespace std;
//整数转二进制函数
string getNativeString(){
cout<<"请输入十进制数字"<<endl;
int n;cin>>n;
string ss="",s2="";
if(n>=1){
while(n>=2){
if(n%2==1)
ss=ss+"1";
else ss=ss+"0";
n=n/2;
}
ss=ss+"1";
s2="0";
for(int i=ss.length()-1;i>=0;i--){
s2=s2+
ss.at(i);
}
}
else if(n<=-1){
n=-n;
while(n>=2){
if(n%2==1)
ss=ss+"1";
else ss=ss+"0";
n=n/2;
}
ss=ss+"1";
s2="1";
for(int i=ss.length()-1;i>=0;i--){
s2=s2+
ss.at(i);
}
}
else if(n==0){
cout<<"对应二进制为:"<<0<<endl;
retur
string getNativeString(){
cout<<"请输入十进制数字"<<endl;
int n;cin>>n;
string ss="",s2="";
if(n>=1){
while(n>=2){
if(n%2==1)
ss=ss+"1";
else ss=ss+"0";
n=n/2;
}
ss=ss+"1";
s2="0";
for(int i=ss.length()-1;i>=0;i--){
s2=s2+
}
}
else if(n<=-1){
n=-n;
while(n>=2){
if(n%2==1)
ss=ss+"1";
else ss=ss+"0";
n=n/2;
}
ss=ss+"1";
s2="1";
for(int i=ss.length()-1;i>=0;i--){
s2=s2+
}
}
else if(n==0){
cout<<"对应二进制为:"<<0<<endl;
retur