Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:27:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[nod].size();i++) if(tata[v[nod][i]]==0) dfs(v[nod][i]); ^ user.cpp:28:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[nod].size();i++) if(tata[g[nod][i]]==0) dfs(g[nod][i]); ^ user.cpp: In function ‘void pasul1()’: user.cpp:41:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,a,b; ^ user.cpp:41:13: warning: unused variable ‘a’ [-Wunused-variable] int i,j,a,b; ^ user.cpp:41:15: warning: unused variable ‘b’ [-Wunused-variable] int i,j,a,b; ^ user.cpp: In function ‘void pasul2()’: user.cpp:71:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<vp.size()) ^ user.cpp:97:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<r2.size();i++) ^ user.cpp:59:13: warning: unused variable ‘t1’ [-Wunused-variable] int i,j,t1,t2,siz1,siz2,unu,doi,aux; ^ user.cpp:59:16: warning: unused variable ‘t2’ [-Wunused-variable] int i,j,t1,t2,siz1,siz2,unu,doi,aux; ^