Compilare: main.cpp: In member function 'void structura::Dfs_alternativ(int, int, int, int, int)': main.cpp:46:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < g[st].size(); i++) ~~^~~~~~~~~~~~~~ main.cpp:57:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < g[dr].size(); i++) ~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:71:11: warning: unused variable 'j' [-Wunused-variable] int i,j,V,x,y,tip,A,B; ^ main.cpp:71:13: warning: unused variable 'V' [-Wunused-variable] int i,j,V,x,y,tip,A,B; ^ main.cpp:71:19: warning: unused variable 'tip' [-Wunused-variable] int i,j,V,x,y,tip,A,B; ^~~ main.cpp:71:23: warning: unused variable 'A' [-Wunused-variable] int i,j,V,x,y,tip,A,B; ^ main.cpp:71:25: warning: unused variable 'B' [-Wunused-variable] int i,j,V,x,y,tip,A,B; ^