35 lines
719 B
C++
35 lines
719 B
C++
// pb_z14_41.cpp
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// Горбацевич Андрей
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#include <iostream>
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#include <fstream>
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using namespace std;
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void write_cyclic_one(ostream &ost, size_t N);
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int main() {
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ifstream inf("in.txt");
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ofstream fout("out.bin", ios::trunc|ios::binary);
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if (!inf.is_open() || !fout.is_open())
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{
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cerr << "Unable to open file" << endl;
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return 1;
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}
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int N = 0;
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inf >> N;
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write_cyclic_one(fout, N);
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return 0;
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}
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void write_cyclic_one(ostream &ost, size_t N) {
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unsigned char cval = 0x01;
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unsigned char mval = 0x80;
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for (size_t i = 0; i < N; i +=2) {
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if (cval >= mval) {
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cval = 0x01;
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}
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ost << cval;
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cval <<= 1u;
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}
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}
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