Compilare: user.cpp: In function ‘void completare(int, int, int)’: user.cpp:11:10: warning: statement has no effect [-Wunused-value] for(j;j<=n;j++) ^ user.cpp: In function ‘int main()’: user.cpp:33:44: warning: unused variable ‘o1’ [-Wunused-variable] int t1=0,t2=0,p=1,h=n,c1,c2,b1,b2,ok=0,o1, o2; ^ user.cpp:33:48: warning: unused variable ‘o2’ [-Wunused-variable] int t1=0,t2=0,p=1,h=n,c1,c2,b1,b2,ok=0,o1, o2; ^