Compilare: user.cpp: In function ‘int main()’: user.cpp:44:60: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < arbore[coada.front()].fii.size(); i++) { ^ user.cpp:64:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < stiva.size(); i++) { ^ user.cpp:69:63: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < arbore[stiva[i]].fii.size(); j++) { ^ user.cpp:61:22: warning: unused variable ‘p’ [-Wunused-variable] int solutie = 0, p; ^ user.cpp:77:48: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] arbore[arbore[stiva[i]].fii[poz]].urmasi = 0; ^