Compilare: main.cpp: In member function 'void inputReader::advance()': main.cpp:18:48: 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 ); ^ main.cpp: In constructor 'inputReader::inputReader(const char*)': main.cpp:30:44: 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 ); ^ main.cpp: In function 'int main(int, const char**)': main.cpp:98:57: warning: 'pozMax' may be used uninitialized in this function [-Wmaybe-uninitialized] if(freq[pozMax] <= SQRT && cntCurrent[pozMax] >= (j - i + 1) / 2 + 1){ ~~~~~~~~~~~~~~~~~^