/in/exam3_matrix.cpp: In function 'int main()':
/in/exam3_matrix.cpp:11:16: error: expected ';' before '{' token
     intMatrix(){
                ^
/in/exam3_matrix.cpp:15:5: error: no match for 'operator~' (operand type is 'intMatrix')
     ~intMatrix(){
     ^~~~~~~~~~~~
In file included from /usr/include/c++/7/ios:42:0,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from /in/exam3_matrix.cpp:6:
/usr/include/c++/7/bits/ios_base.h:95:3: note: candidate: constexpr std::_Ios_Fmtflags std::operator~(std::_Ios_Fmtflags)
   operator~(_Ios_Fmtflags __a)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:95:3: note:   no known conversion for argument 1 from 'intMatrix' to 'std::_Ios_Fmtflags'
/usr/include/c++/7/bits/ios_base.h:137:3: note: candidate: constexpr std::_Ios_Openmode std::operator~(std::_Ios_Openmode)
   operator~(_Ios_Openmode __a)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:137:3: note:   no known conversion for argument 1 from 'intMatrix' to 'std::_Ios_Openmode'
/usr/include/c++/7/bits/ios_base.h:177:3: note: candidate: constexpr std::_Ios_Iostate std::operator~(std::_Ios_Iostate)
   operator~(_Ios_Iostate __a)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:177:3: note:   no known conversion for argument 1 from 'intMatrix' to 'std::_Ios_Iostate'
/in/exam3_matrix.cpp:19:21: error: a function-definition is not allowed here before '{' token
     int getRowSize(){
                     ^
/in/exam3_matrix.cpp:22:24: error: a function-definition is not allowed here before '{' token
     int getColumnSize(){
                        ^
/in/exam3_matrix.cpp:25:44: error: a function-definition is not allowed here before '{' token
     void fillFrom(std::vector<int> &source){}
                                            ^
/in/exam3_matrix.cpp:26:43: error: a function-definition is not allowed here before '{' token
     int getElement(int rowNum, int colNum){}
                                           ^
/in/exam3_matrix.cpp:27:38: error: a function-definition is not allowed here before '{' token
     void saveTo(std::string fileName){}
                                      ^