Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:38:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < graf[nod].size(); i++){ ~~^~~~~~~~~~~~~~~~~~ main.cpp:58:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < graf[nod].size(); i++){ ~~^~~~~~~~~~~~~~~~~~ main.cpp:70:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < graf[nod].size(); i++){ ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void update(int, int, int, int, int, int)': main.cpp:88:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(nod * 2 + 1 < arbore_intervale[index_lant].size()) /// sa nu cumva sa ies din size ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int intrebare(int, int)': main.cpp:142:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'void construieste_arbore(int)': main.cpp:149:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < lant[index_lant].size(); i++){ ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int, int)': main.cpp:65:38: warning: 'vecin_bun' may be used uninitialized in this function [-Wmaybe-uninitialized] int unde = nod_lant[vecin_bun]; ^