52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
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/*
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* main.cpp
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*
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* Created on: 14 окт. 2021 г.
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* Author: alexander
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*/
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#include <iostream>
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#include <numeric>
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#include <fstream>
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#include "src-gen/exercise_2.pb.h"
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int main()
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{
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// exercise_2::FullName fn;
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// fn.set_name("Alexander");
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// fn.set_surname("Zhirov");
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// fn.set_patronymic("Alexandrovich");
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//
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// exercise_2::Student s;
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// s.set_allocated_name(&fn);
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// s.add_grades(5);
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// s.add_grades(2);
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// s.add_grades(4);
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// s.add_grades(3);
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// s.add_grades(4);
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// s.add_grades(3);
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// s.add_grades(4);
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// s.add_grades(3);
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// s.set_avg_score(std::accumulate(s.grades().begin(), s.grades().end(), 0) / s.grades().size());
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//
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// exercise_2::StudentsGroup sg;
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// *sg.add_students() = s;
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//
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// std::ofstream out("student.bin", std::ios_base::binary);
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// sg.SerializeToOstream(&out);
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exercise_2::StudentsGroup sg;
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std::ifstream in("student.bin", std::ios_base::binary);
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if (sg.ParseFromIstream(&in))
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{
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std::cout << sg.students(0).name().surname() << std::endl;
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std::cout << sg.students(0).avg_score() << std::endl;
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}
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else
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{
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std::cout << "Error!" << std::endl;
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}
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return 0;
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}
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