How can i convert binary to char?

Helegurbann (156)
I want to convert binary to char.
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#include <fstream>
#include <bitset>
using namespace std;
int main(){
 ifstream file1;
 ofstream file2;
 file1.open("C:\\Exam1.txt",ifstream::binary);
  file2.open("D:\\Exam2.txt",ofstream::binary);
 long size;
  file1.seekg(0,ifstream::end);
 size= file1.tellg();
  file1.seekg(0);
 char *a;
 a=new char[size];
  file1.read(a,size);
 for(int i=0;i<size;i++){
         bitset<8>binarya(a[i]);
  file2.write(&(char)binarya.to_ulong(),size);
         }
    system("pause");
    return 0;
    }

And i tried this.But it doesn't work:
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#include <fstream>
#include <iostream>
#include <bitset>
using namespace std;
int main(){
 ifstream file1;
 ofstream file2;
 file1.open("C:\\Exam1.txt",ifstream::binary);
  file2.open("D:\\Exam2.txt",ofstream::binary);
 long size;
  file1.seekg(0,ifstream::end);
 size= file1.tellg();
  file1.seekg(0);
 char *a;
 a=new char[size];
  file1.read(a,size);
 for(int i=0;i<size;i++){
         bitset<8>binarya(a[i]);
  file2.write(&binarya.to_string<char,char_traits<char>,allocator<char> >()[i],size);
         }
    system("pause");
    return 0;
    }

coder777 (8450)
Try this
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 for(int i=0;i<size;i++){
         bitset<8>binarya(a[i]);
         string s = binarya.to_string();
  file2.write(s.c_str(),s.size());
         }
Helegurbann (156)
I solved my problem.Thank u for ur all helps.
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