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- //Binary file #1
- #include <iostream>
- #include <fstream>
- #include <cmath>
- using namespace std;
- int main()
- {
- ofstream out("f.dat", ios::binary);
- int n,kv_i,flag=1;
- cin >> n;
- for (int i = 1; i <= n; i++) {
- kv_i = i * i;
- out.write((char*)&kv_i, sizeof(kv_i));
- }
- out.close();
- ifstream in("f.dat", ios::binary);
- in.seekg(sizeof(int));
- while (in.peek() != EOF)
- {
- in.read((char*)&kv_i, sizeof(int));
- if (flag % 2 != 0)
- {
- cout << kv_i << ' ';
- }
- flag++;
- }
- in.close();
- return 0;
- }
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