Compilare: main.cpp: In function 'int cerinta1()': main.cpp:34:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[Q.front()].size();i++) ~^~~~~~~~~~~~~~~~~~~~ main.cpp:47:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int cerinta2()': main.cpp:52:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^