Eroare de compilare: user.cpp:176:18: error: ‘string’ does not name a type Reader(const string& filename): ^ user.cpp:176:26: error: ISO C++ forbids declaration of ‘filename’ with no type [-fpermissive] Reader(const string& filename): ^ user.cpp:208:5: error: ‘ifstream’ does not name a type ifstream m_stream; ^ user.cpp:210:5: error: ‘unique_ptr’ does not name a type unique_ptr < char[] > m_buffer; ^ user.cpp: In constructor ‘Reader::Reader(const int&)’: user.cpp:177:13: error: class ‘Reader’ does not have any field named ‘m_stream’ m_stream(filename), ^ user.cpp:179:13: error: class ‘Reader’ does not have any field named ‘m_buffer’ m_buffer(new char[kBufferSize]) { ^ user.cpp: In member function ‘char Reader::current()’: user.cpp:198:16: error: ‘m_buffer’ was not declared in this scope return m_buffer[m_pos]; ^ user.cpp: In member function ‘void Reader::next()’: user.cpp:203:13: error: ‘m_stream’ was not declared in this scope m_stream.read(m_buffer.get(), kBufferSize); ^ user.cpp:203:27: error: ‘m_buffer’ was not declared in this scope m_stream.read(m_buffer.get(), kBufferSize); ^ user.cpp: In function ‘int main()’: user.cpp:215:25: error: invalid conversion from ‘const char*’ to ‘int’ [-fpermissive] Reader fin("kthvalue.in"); ^ user.cpp:176:5: error: initializing argument 1 of ‘Reader::Reader(const int&)’ [-fpermissive] Reader(const string& filename): ^ user.cpp:216:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("kthvalue.out", "w", stdout); ^ user.cpp: In member function ‘char Reader::current()’: user.cpp:199:5: warning: control reaches end of non-void function [-Wreturn-type] } ^