Compilare: main.cpp: In function 'int main()': main.cpp:160:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<drept.size();i++) ~^~~~~~~~~~~~~ main.cpp: In member function 'void InputReader::getBuffer()': main.cpp:86:55: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] cursor = 0; fread(buffer, 1, kBufferSize, stdin); ^