foo.cc: In function ‘int main()’:
foo.cc:11:17: warning: ‘imax’ may be used uninitialized [-Wmaybe-uninitialized]
   11 |                 if(imax<a[i])
      |                 ^~
foo.cc:6:15: note: ‘imax’ was declared here
    6 |         int n,imax,kcs;
      |               ^~~~
foo.cc:17:28: warning: ‘kcs’ may be used uninitialized [-Wmaybe-uninitialized]
   17 |                         kcs++;
      |                         ~~~^~
foo.cc:6:20: note: ‘kcs’ was declared here
    6 |         int n,imax,kcs;
      |                    ^~~