/in/foo.cc: In function 'int FindMaxNeg(int*, int)':
/in/foo.cc:14:14: warning: statement has no effect [-Wunused-value]
   14 |         for (k;k<n;k++)
      |              ^
/in/foo.cc:6:17: warning: 'k' may be used uninitialized [-Wmaybe-uninitialized]
    6 |         int max,k;
      |                 ^
/in/foo.cc:6:13: warning: 'max' may be used uninitialized [-Wmaybe-uninitialized]
    6 |         int max,k;
      |             ^~~