/in/foo.cc: In function 'int FindMaxNeg(int*, int)':
/in/foo.cc:16:27: warning: 'max1' may be used uninitialized [-Wmaybe-uninitialized]
   16 |                 if(a[i]>a[max1]&&a[i]<0)
      |                           ^~~~
/in/foo.cc:5:13: note: 'max1' was declared here
    5 | {       int max1;
      |             ^~~~