/in/foo.cc: In function 'int main()':
/in/foo.cc:14:5: warning: statement has no effect [-Wunused-value]
    m>a[i];
    ~^~~~~
/in/foo.cc:10:7: warning: unused variable 't' [-Wunused-variable]
   int t;
       ^
/in/foo.cc:16:25: error: expected primary-expression before '<<' token
  cout<<"max="<<ma<<" "<<<<"min="<<m;
                         ^~