Compilare: user.cpp: In function ‘int main()’: user.cpp:61:35: warning: the address of ‘bool ok(int, int)’ will always evaluate as ‘true’ [-Waddress] for(x=i;x<=i+lg-1 and ok;x++) ^ user.cpp:129:7: warning: statement has no effect [-Wunused-value] for(si;si>0;si--) ^ user.cpp:35:11: warning: variable ‘c2’ set but not used [-Wunused-but-set-variable] int c1,l1,c2,l2,si=0,sj=0,vx,vy,k,i,j,l9,c9,x,y; ^