Compilare: main.cpp: In function 'int afis()': main.cpp:27:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int afis2()': main.cpp:41:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'void Lee(int, int)': main.cpp:72:15: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(ok(i_next,j_next,ii,jj)) ^