Eroare de compilare: user.cpp: In function ‘void transpunere()’: user.cpp:28:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<graf[i].size();++j) ^ user.cpp:25:7: warning: unused variable ‘x’ [-Wunused-variable] int x,y,i,j; ^ user.cpp:25:9: warning: unused variable ‘y’ [-Wunused-variable] int x,y,i,j; ^ user.cpp: In function ‘void write()’: user.cpp:70:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] {for (int j=0;j<=ctc[i].size()-1;++j) ^ user.cpp: In function ‘void setviz()’: user.cpp:77:6: error: ‘i’ was not declared in this scope for(i=1;i<=n;++i) viz[i]=0; ^