32 lines
648 B
C++
32 lines
648 B
C++
// pb_z14_40.cpp
|
|
// Горбацевич Андрей
|
|
#include <iostream>
|
|
#include <fstream>
|
|
|
|
using namespace std;
|
|
|
|
void write_aa_55(ostream &ost, size_t N);
|
|
|
|
int main() {
|
|
ifstream inf("in.txt");
|
|
ofstream fout("out.bin", ios::trunc|ios::binary);
|
|
if (!inf.is_open() || !fout.is_open())
|
|
{
|
|
cerr << "Unable to open file" << endl;
|
|
return 1;
|
|
}
|
|
|
|
int N = 0;
|
|
inf >> N;
|
|
write_aa_55(fout, N);
|
|
return 0;
|
|
}
|
|
|
|
void write_aa_55(ostream &ost, size_t N) {
|
|
for (size_t i = 0; i < N; i +=2) {
|
|
ost << (unsigned char)0xAA;
|
|
if (i + 1 < N) {
|
|
ost << (unsigned char)0x55;
|
|
}
|
|
}
|
|
}
|