Compilare: main.cpp: In function 'void dfsrad(int, int, int)': main.cpp:21:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<v[x].size();j++) ~^~~~~~~~~~~~ main.cpp: In function 'void dfsheavy(int)': main.cpp:63:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<v[x].size();j++) ~^~~~~~~~~~~~ main.cpp: In function 'int query(int, int)': main.cpp:119:23: warning: variable 'indice' set but not used [-Wunused-but-set-variable] int copie,solutie,indice,pozitieelem; ^~~~~~ main.cpp:119:30: warning: variable 'pozitieelem' set but not used [-Wunused-but-set-variable] int copie,solutie,indice,pozitieelem; ^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:191:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<paths[i].size();j++) ~^~~~~~~~~~~~~~~~ main.cpp:196:11: warning: statement has no effect [-Wunused-value] for (m;m--;) ^