Eroare de compilare: user.cpp: In member function ‘InputReader& InputReader::operator>>(int&)’: user.cpp:49:26: error: no match for ‘operator*’ (operand types are ‘int’ and ‘InputReader’) return (semn * (*this)); ^ In file included from /usr/include/c++/4.8/cassert:43:0, from user.cpp:7: user.cpp: In function ‘void read()’: user.cpp:90:22: warning: comparisons like ‘X<=Y<=Z’ do not have their mathematical meaning [-Wparentheses] assert(0 <= cost[i][j] <= 1000); ^ user.cpp: In constructor ‘InputReader::InputReader(const char*)’: user.cpp:30:47: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buffer, SIZE, 1, input_file); ^ user.cpp: In member function ‘InputReader& InputReader::operator>>(int&)’: user.cpp:50:9: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In member function ‘void InputReader::advance()’: user.cpp:60:51: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buffer, SIZE, 1, input_file); ^