Compilare: user.cpp: In function ‘int main()’: user.cpp:118:13: warning: unused variable ‘startTime’ [-Wunused-variable] clock_t startTime = clock(); ^ user.cpp:128:13: warning: unused variable ‘finishTime’ [-Wunused-variable] clock_t finishTime = clock(); ^ user.cpp: In member function ‘void inputReader::getBuffer()’: user.cpp:28:47: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buffer, 1, bufferDim, stdin); ^