Compilare: user.cpp: In function ‘void read()’: user.cpp:29:22: warning: array subscript is above array bounds [-Warray-bounds] if(a[j][2]==a[i][1]) l[j+n].pb(mp(i,0)),l[i].pb(mp(j+n,0)); ^ user.cpp:30:31: warning: array subscript is above array bounds [-Warray-bounds] if(a[j][1]==a[i][2]) l[j].pb(mp(i+n,0)),l[i+n].pb(mp(j,0)); ^ user.cpp:31:22: warning: array subscript is above array bounds [-Warray-bounds] if(a[j][2]==a[i][2]) l[j+n].pb(mp(i+n,0)),l[i+n].pb(mp(j+n,0)); ^ user.cpp:31:31: warning: array subscript is above array bounds [-Warray-bounds] if(a[j][2]==a[i][2]) l[j+n].pb(mp(i+n,0)),l[i+n].pb(mp(j+n,0)); ^