112 lines
2.9 KiB
C++
112 lines
2.9 KiB
C++
// pb_16_100.cpp
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// Горбацевич Андрей
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#include <iostream>
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#include <fstream>
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#include <vector>
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#include <algorithm>
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using namespace std;
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enum scholarship {
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HI_ED = 0, SC_ED = 1, SV_RD = 2
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};
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struct DB_record {
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char surname[32];
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unsigned short age;
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char city[32];
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scholarship scs;
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bool operator < (const DB_record& rhs) const {
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string l = string(surname);
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transform(l.begin(), l.end(), l.begin(), [](unsigned char c){ return tolower(c); });
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string r = string(rhs.surname);
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transform(r.begin(), r.end(), r.begin(), [](unsigned char c){ return tolower(c); });
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return l < r;
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}
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};
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vector<DB_record> parseDB(ifstream &ifs);
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int main() {
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string path_in = "in.txt"; // путь до входного файла
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string path_out = "out.bin"; // путь до выходного файла
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ifstream ifs(path_in);
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ofstream ofs(path_out, ios::binary);
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if (!ifs.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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vector<DB_record> records = parseDB(ifs);
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for (auto record : records) {
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ofs.write(reinterpret_cast<char*>(&record), sizeof(record));
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}
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ifs.close();
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ofs.close();
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vector<DB_record> records_fb;
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ifstream binfs(path_out, ios::binary);
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while (!binfs.eof() && !binfs.fail()) {
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DB_record record{};
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binfs.read(reinterpret_cast<char*>(&record), sizeof(record));
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if (record.age == 0) {
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continue;
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}
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records_fb.push_back(record);
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}
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sort(records_fb.begin(), records_fb.end());
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for (auto record : records_fb) {
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cout << record.surname << endl;
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cout << "\tAge: " << record.age << endl;
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cout << "\tCity: " << record.city << endl;
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cout << "\tScholarship: ";
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switch (record.scs) {
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case HI_ED:
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cout << "higher";
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break;
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case SC_ED:
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cout << "secondary";
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break;
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case SV_RD:
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cout << "secondary vocational";
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break;
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}
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cout << endl;
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}
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return 0;
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}
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vector<DB_record> parseDB(ifstream &ifs) {
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vector<DB_record> out;
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while (!ifs.fail() && !ifs.eof()) {
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DB_record record{};
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ifs >> record.surname;
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ifs >> record.age;
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ifs >> record.city;
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{
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string comp_str;
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ifs >> comp_str;
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if (comp_str[0] == '"') {
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string sub_comp_str;
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ifs >> sub_comp_str;
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comp_str += " " + sub_comp_str;
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}
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if (comp_str == "higher") {
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record.scs = HI_ED;
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}
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else if (comp_str == "secondary") {
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record.scs = SC_ED;
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}
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else if (comp_str == "\"secondary vocational\"") {
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record.scs = SV_RD;
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}
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}
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out.push_back(record);
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}
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return out;
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}
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