Compilare: user.cpp:1:9: warning: #pragma once in main file #pragma once ^~~~ user.cpp: In function ‘void bu()’: user.cpp:22:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 2; i < sir.size(); i++) { ~~^~~~~~~~~~~~ user.cpp: In function ‘void parcurgere(std::vector<int>&, int)’: user.cpp:43:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < pPointers[index].size(); i++) { ~~^~~~~~~~~~~~~~~~~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:59:30: warning: unused variable ‘nr’ [-Wunused-variable] int n, lmax = -1, pos = -1, nr; ^~