Compilare: user.cpp: In function ‘int main()’: user.cpp:135:37: warning: capture of variable ‘LIM’ with non-automatic storage duration [enabled by default] sort(query, query + nrQueries, [LIM](const Query &query1, const Query &query2) { ^ user.cpp:90:11: note: ‘const int LIM’ declared here const int LIM = 1000; ^ user.cpp: In member function ‘void InputReader::advance()’: user.cpp:13:57: 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, sizeof(char), inputFile); ^ user.cpp: In constructor ‘InputReader::InputReader(const char*)’: user.cpp:23:42: 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); ^