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저는 초보자 인 C++ 학생이며 jGRASP를 사용 중이며 MinGW32를 설치했습니다. 우리가 과제를 원격으로 Linux 컴퓨터로 돌리므로 작업이 원활하게 이루어질 수 있습니다. Windows 환경에서의 Linux 환경 시뮬레이션 등 MinGW32의 경우 "기본 패키지"를 설치 한 다음 C++ 컴파일러 옵션을 수동으로 선택했습니다. jGRASP에서 나는 settings>>PATH/CLASSPATH>>workspace
에 가서 C:\MinGW\mingw32\bin
에 새로운 PATH 디렉토리를 추가하여 g ++ 컴파일러의 위치를 알 수 있습니다.MinGW32의 복사 생성자에 대한 Crazy C++ 컴파일러 오류 메시지
jGRASP에서 컴파일 할 때 이러한 미친 오류 메시지가 표시되는데 그다지 이해할 수 없습니다. 나는 iostream 때문에 내 머리글과 관련이 있다고 생각합니다. 여기
ios:42:0,
from c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\ostream:38,
from c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\iostream:39,
from lab1.cpp:6:
c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\bits\ios_base.h: In copy constructor 'std::basic_ios<char>::basic_ios(const std::basic_ios<char>&)':
ios_base.h:786:5: error: 'std::ios_base::ios_base(const std::ios_base&)' is private
ios_base(const ios_base&);
^
ios:44:0,
from c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\ostream:38,
from c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\iostream:39,
from lab1.cpp:6:
basic_ios.h:66:11: error: within this context
class basic_ios : public ios_base
^
In file included from lab1.cpp:8:0:
c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\fstream: In copy constructor 'std::basic_ifstream<char>::basic_ifstream(const std::basic_ifstream<char>&)':
fstream:427:11: note: synthesized method 'std::basic_ios<char>::basic_ios(const std::basic_ios<char>&)' first required here
class basic_ifstream : public basic_istream<_CharT, _Traits>
^
ios:43:0,
from c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\ostream:38,
from c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\iostream:39,
from lab1.cpp:6:
c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\streambuf: In copy constructor 'std::basic_filebuf<char>::basic_filebuf(const std::basic_filebuf<char>&)':
streambuf:802:7: error: 'std::basic_streambuf<_CharT, _Traits>::basic_streambuf(const std::basic_streambuf<_CharT, _Traits>&) [with _CharT = char; _Traits = std::char_traits<char>]' is private
basic_streambuf(const basic_streambuf& __sb)
^
In file included from lab1.cpp:8:0:
fstream:72:11: error: within this context
class basic_filebuf : public basic_streambuf<_CharT, _Traits>
^
c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\fstream: In copy constructor 'std::basic_ifstream<char>::basic_ifstream(const std::basic_ifstream<char>&)':
fstream:427:11: note: synthesized method 'std::basic_filebuf<char>::basic_filebuf(const std::basic_filebuf<char>&)' first required here
class basic_ifstream : public basic_istream<_CharT, _Traits>
그리고 지금까지 내 코드입니다 :
// ----------------------------------------------------------------------------
// You write meaningful doxygen comments and assumptions
#include <string.h>
#include <iostream>
#include <iomanip>
#include <fstream>
using namespace std;
int const MAXSIZE = 100; // maximum number of records in total
int const MAXLENGTH = 31; // maximum string length
int const MAXGRADE = 100; // highest possible grade
int const LOWGRADE = 0; // lowest possible grade
int const GROUP = 10; // group amount
int const HISTOGRAMSIZE = (MAXGRADE-LOWGRADE)/GROUP + 1; // grouped by GROUP
struct StudentType { // information of one student
int grade; // the grade of the student
char last[MAXLENGTH]; // last name (MAXLENGTH-1 at most)
char first[MAXLENGTH]; // first name (MAXLENGTH-1 at most)
};
// prototypes go here
bool sortInput(ifstream, StudentType, int);
void displayList(StudentType, int);
/*setHistrogram();
displayHistogram();
findAverage();*/
//------------------------------- main ----------------------------------------
int main() {
StudentType students[MAXSIZE]; // list of MAXSIZE number of students
int size = 0; // total number of students
int histogram[HISTOGRAMSIZE]; // grades grouped by GROUP
int average = 0; // average exam score, truncated
// creates file object and opens the data file
ifstream infile("data1.txt");
if (!infile) {
cout << "File could not be opened." << endl;
return 1;
}
// read and sort input by last then first name
bool successfulRead = sortInput(infile, students, size);
// display list, histogram, and class average
if (successfulRead) {
displayList(students[], size);
// setHistogram(... you figure parameters ...);
// displayHistogram(... you figure parameters ...);
// average = findAverage(... you figure parameters ...);
cout << "Average grade: " << average << endl << endl;
}
return 0;
}
bool sortInput(ifstream infile, StudentType students[], int size)
{
while(infile)
{
StudentType temp;
infile >> temp.last >> temp.first >> temp.grade;
//for(int i = MAXSIZE-1; i > MAXSIZE-1-size; i--)
for(int i = size; i > 0; i--)
{
if(strcmp(temp.last, students[i].last) < 0)
{
//copy current name and grade down
//strcopy(students[i+1].last, students[i].last);
students[i+1] = students[i];
}
else if(strcmp(temp.last, students[i].last) == 0 && strcmp(temp.first, students[i].first) < 0))
{
//copy/assign current name and grade down
students[i+1] = students[i];
}
else
{
//found right place, break out of loop
break;
}
}
//now that you've made room, insert (copy) new name into correct sorted position
students[i] = temp;
}
return true;
}
void displayList(StudentType students[], int size)
{
cout << "List of names sorted:" << end1;
for(int i = 0; i < size; i++)
{
cout << " " << student[i].grade << " " << students[].last << " " << students[i].first << end1;
}
}
// ----------------------------------------------------------------------------
// functions with meaningful doxygen comments and assumptions go here
코드를 제시해주십시오
참고 : 그냥에 선언을 변경합니다. 아마 거기에 뭔가 잘못된 것이 있습니다. –
코드가 추가되었습니다. –
확실하지 않음 ... 빈'main' 함수와'include' 및'using' 문을 제외한 모든 코드를 제거 (주석 처리)하십시오. 그런 다음 깨끗한 컴파일을 시도하십시오. (삭제와 실행과'* .obj' 파일을 의미하고, 컴파일을 시도하십시오.) 이것이 도움이되는지보십시오. 그렇다면 한 번에 조금씩 코드를 다시 추가하십시오. 일단 당신이 이해하고, 정확하게 문제를 일으키는 것이 있다면, 여기에 게시하십시오. – osa