Compilare: main.cpp: In function 'int main()': main.cpp:70:13: warning: 'comp2' may be used uninitialized in this function [-Wmaybe-uninitialized] if(viz[i]==comp2) ^~ main.cpp:68:27: warning: 'nod2' may be used uninitialized in this function [-Wmaybe-uninitialized] sol[conexe].second=nod2; ~~~~~~~~~~~~~~~~~~^~~~~ main.cpp:67:26: warning: 'nod1' may be used uninitialized in this function [-Wmaybe-uninitialized] sol[conexe].first=nod1; ~~~~~~~~~~~~~~~~~^~~~~