Compilare: user.cpp: In function ‘int main()’: user.cpp:37:10: warning: statement has no effect [-Wunused-value] for(b;b>=a;b--) ^ user.cpp:29:29: warning: unused variable ‘t1’ [-Wunused-variable] int a,b,smax,i,j,t,s2,s,t1; ^ user.cpp:54:31: warning: ‘s’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<t<<" "<<smax<<" "<<s; ^ user.cpp:54:11: warning: ‘t’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<t<<" "<<smax<<" "<<s; ^