Compilare: user.cpp: In function ‘void SolveTestCase()’: user.cpp:149:24: warning: unused variable ‘Z’ [-Wunused-variable] int N, M, Q, X, Y, Z, left, right, middle, Ans; inputFile >> N >> M >> Q; ^ user.cpp:149:27: warning: unused variable ‘left’ [-Wunused-variable] int N, M, Q, X, Y, Z, left, right, middle, Ans; inputFile >> N >> M >> Q; ^ user.cpp:149:33: warning: unused variable ‘right’ [-Wunused-variable] int N, M, Q, X, Y, Z, left, right, middle, Ans; inputFile >> N >> M >> Q; ^ user.cpp:149:40: warning: unused variable ‘middle’ [-Wunused-variable] int N, M, Q, X, Y, Z, left, right, middle, Ans; inputFile >> N >> M >> Q; ^ user.cpp: In member function ‘void inputReader::advance()’: user.cpp:17:48: 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, inputFile ); ^ user.cpp: In constructor ‘inputReader::inputReader(const char*)’: user.cpp:29:44: 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, inputFile ); ^