/in/foo.cc: In function 'int main()':
/in/foo.cc:44:9: warning: unused variable 'money' [-Wunused-variable]
     int money=0;
         ^~~~~
/in/foo.cc:61:36: warning: 'most' may be used uninitialized in this function [-Wmaybe-uninitialized]
     cout<<stu[j].name<<"\n"<<most<<"\n"<<sum<<endl;
                                    ^~~~