Compilare: user.cpp: In function ‘int main()’: user.cpp:32:6: warning: unused variable ‘t1’ [-Wunused-variable] long t1,t2; ^ user.cpp:32:9: warning: unused variable ‘t2’ [-Wunused-variable] long t1,t2; ^ user.cpp:34:13: warning: unused variable ‘n’ [-Wunused-variable] int maxi=-1,n; ^ user.cpp:36:13: warning: ‘b’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=1;i<=b-a+1;i++) ^ user.cpp:36:13: warning: ‘a’ may be used uninitialized in this function [-Wmaybe-uninitialized]