Compilare: user.cpp: In function ‘void dijkstra()’: user.cpp:23:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[nod].size();i++){ ^ user.cpp: In function ‘void stroh(int)’: user.cpp:38:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Gf[nod].size();i++){ ^ user.cpp: In function ‘void vodka()’: user.cpp:51:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Gf[nod].size();i++){ ^ user.cpp:47:9: warning: unused variable ‘nod’ [-Wunused-variable] int nod; ^ user.cpp: In function ‘int main()’: user.cpp:95:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < F.size();i++){ ^ user.cpp:94:15: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] stroh(poz); ^