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Copy pathJAVAC.cpp
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JAVAC.cpp
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#include<iostream>
#include<algorithm>
#include<string.h>
using namespace std;
int main()
{
std::ios_base::sync_with_stdio(false);
char data[5001];
int i=0,j=0;
bool isJava=true,hasError=false; //false->C++
char* hasUnderscore=NULL;
while(cin>>data)
{
hasError=false;
i=0;
j=0;
isJava=true;
hasUnderscore=NULL;
if(((int)data[0]>=65 && (int)data[0]<=90) || (int)data[0]==95)
{
cout<<"Error!"<<"\n";
hasError=true;
continue;
}
while(data[j]!='\0')
j++;
for(i=0; i<(j-1); i++)
{
if(data[i]==data[i+1] && (int)data[i]==95)
{
cout<<"Error!"<<"\n";
hasError=true;
break;
}
}
if(i<(j-1))
continue;
if((int)data[j-1]==95)
{
cout<<"Error!"<<"\n";
hasError=true;
continue;
}
hasUnderscore=strstr(data,"_");
if(hasUnderscore!=NULL)
{
isJava=false;
for(i=0; i<j; i++)
if((int)data[i]>=65 && (int)data[i]<=90)
{
cout<<"Error!"<<"\n";
hasError=true;
break;
}
if(i<j)
continue;
}
if(!hasError)
{
if(hasUnderscore!=NULL && isJava==false)
{
for(i=0; i<(j-1); i++)
{
if((int)data[i]==95)
data[i+1]=(int)data[i+1]-32;
}
for(i=0; i<j; i++)
if((int)data[i]!=95)
cout<<data[i];
cout<<"\n";
}
else
{
for(i=0; i<j; i++)
if((int)data[i]>=65 && (int)data[i]<=90)
{
cout<<"_";
cout<<(char)(data[i]+32);
}
else
{
cout<<data[i];
}
cout<<"\n";
}
}
}
return 0;
}