foo.cc: In function ‘int main()’:
foo.cc:14:15: warning: ‘k’ may be used uninitialized [-Wmaybe-uninitialized]
   14 |         cout<<k;
      |               ^
foo.cc:4:34: note: ‘k’ was declared here
    4 |         int m=INT_MIN,n,a[10003],k;
      |                                  ^