Eroare de compilare: user.cpp:1:9: warning: #pragma once in main file #pragma once ^~~~ user.cpp: In function ‘void bu()’: user.cpp:21:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < sir.size(); i++) { ~~^~~~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:54:42: error: invalid operands of types ‘int’ and ‘const char [2]’ to binary ‘operator<<’ fout << lmax << " \n" << nr[pos] & 9901 << "\n"; ~~~~~^~~~~~~