imported>Unknown at 05:22, 7 February 2021

2021-02-07T05:22:42Z

New page

#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <algorithm>
#include <numeric>

using namespace std;

struct Student_info
{
string name;
vector<int> score;
int total_score;
};

void input_score(vector<Student_info> & students);
void calculate_total_score(vector<Student_info> & students);
bool compare(const Student_info& student1, const Student_info& student2);
void print_students(vector<Student_info> & students);

int main()
{
vector<Student_info> students;
input_score(students);
calculate_total_score(students);
sort(students.begin(),students.end(),compare);
print_students(students);
return 0;
}

void input_score(vector<Student_info> & students)
{
Student_info temp;
ifstream fin("input.txt"); // fin과 input.txt를 연결
//ofstream fout("output.txt"); // fout과 output.txt를 연결

string name;
int score;
fin >> name >> name >> name >> name >> name;
while(fin >> name)
{
temp.name = name;
while(fin >> score)
temp.score.push_back(score);
students.push_back(temp);
temp.score.erase(temp.score.begin(),temp.score.end());
fin.clear();
}
//fin >> a >> b; // cin으로 화면에서 입력받는다면, fin은 연결된 파일로부터 입력받는다.
//fout << a+b << endl; // cout으로 화면으로 출력한다면, fout은 연결된 output.txt에 a+b를 출력

}

void calculate_total_score(vector<Student_info> & students)
{
typedef vector<Student_info>::iterator iter;
for(iter i = students.begin(); i != students.end(); i++)
i->total_score = accumulate(i->score.begin(),i->score.end(),0);
}

bool compare(const Student_info& student1, const Student_info& student2)
{
return student1.total_score > student2.total_score;
}

void print_students(vector<Student_info> & students)
{
typedef vector<Student_info>::iterator si_iter;
typedef vector<int>::iterator int_iter;
for(si_iter i = students.begin(); i != students.end(); i++)
{
cout << i->name << " ";
for(int_iter j = i->score.begin(); j != i->score.end(); j++)
cout << *j << " ";
cout << i->total_score << " " << i->total_score/4 <<endl;
}
}

마지막에 주석 처리한거 왜 에러나는거징..ㅡㅜ
오타가 아닐까? ㅡ.ㅡ socre ? - [eternalbleu]
ㅡㅜ...쩝 - 상섭

CPPStudy 2005 1/STL성적처리 4 - Revision history

imported>Unknown at 05:22, 7 February 2021