Compilare: main.cpp: In function 'int main()': main.cpp:128:21: warning: 'cf' may be used uninitialized in this function [-Wmaybe-uninitialized] if(cm[lf][cf]==0){ ~~~~~~~~~^ main.cpp:128:21: warning: 'lf' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:88:14: warning: 'ci' may be used uninitialized in this function [-Wmaybe-uninitialized] nod.y=ci; ~~~~~^~~ main.cpp:87:14: warning: 'li' may be used uninitialized in this function [-Wmaybe-uninitialized] nod.x=li; ~~~~~^~~