Compilare: main.cpp: In function 'int uni(int, int)': main.cpp:54:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'double kruskall(int)': main.cpp:58:11: warning: unused variable 'x' [-Wunused-variable] int i,x,y,nr=0; ^ main.cpp:58:13: warning: unused variable 'y' [-Wunused-variable] int i,x,y,nr=0; ^