/in/foo.c: In function 'main':
/in/foo.c:32:6: warning: 'max' may be used uninitialized in this function [-Wmaybe-uninitialized]
    if(a[i]>max)
      ^
/in/foo.c:21:8: note: 'max' was declared here
  int i,max;
        ^~~
/in/foo.c:32:6: warning: 'max' may be used uninitialized in this function [-Wmaybe-uninitialized]
    if(a[i]>max)
      ^
/in/foo.c:21:8: note: 'max' was declared here
  int i,max;
        ^~~
/in/foo.c: In function 'FindMaxNeg':
/in/foo.c:32:6: warning: 'max' may be used uninitialized in this function [-Wmaybe-uninitialized]
    if(a[i]>max)
      ^