Compilare: user.cpp: In function ‘int actualizare(int, int, int, int, int, int)’: user.cpp:37:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void DFS_ARBORE(int, int, int)’: user.cpp:60:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < v[nod].size(); i++) ~~^~~~~~~~~~~~~~~ user.cpp:81:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < v[nod].size(); i++) ~~^~~~~~~~~~~~~~~ user.cpp:87:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(lant[ce_lant[v[nod][i]]].size() > maxim) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~ user.cpp:99:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < v[nod].size(); i++) ~~^~~~~~~~~~~~~~~ user.cpp:80:28: warning: variable ‘ce’ set but not used [-Wunused-but-set-variable] int maxim = 0, care, ce; ^~ user.cpp: In function ‘void creezArbInt()’: user.cpp:114:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < lant[i].size(); j++) ~~^~~~~~~~~~~~~~~~ user.cpp: In function ‘void afisare()’: user.cpp:140:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < lant[i].size(); j++) ~~^~~~~~~~~~~~~~~~ user.cpp: In function ‘int afla_poz(int, int)’: user.cpp:149:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < lant[care].size(); i++) ~~^~~~~~~~~~~~~~~~~~~ user.cpp: In function ‘int solve(int, int)’: user.cpp:156:12: warning: unused variable ‘i’ [-Wunused-variable] int poz, i, j, sol = 0, sol_act, poz1, aux; ^ user.cpp:156:15: warning: unused variable ‘j’ [-Wunused-variable] int poz, i, j, sol = 0, sol_act, poz1, aux; ^ user.cpp: In function ‘int main()’: user.cpp:204:38: warning: unused variable ‘sol’ [-Wunused-variable] int n, m, a, b, i, t, x, y, poz, sol, radacina; ^~~ user.cpp: In function ‘int afla_poz(int, int)’: user.cpp:152:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int solve(int, int)’: user.cpp:188:7: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(poz > poz1)