foo.cc: In function ‘int main()’:
foo.cc:25:18: warning: ‘min’ may be used uninitialized [-Wmaybe-uninitialized]
   25 |         while(gys>1)
      |               ~~~^~
foo.cc:10:13: note: ‘min’ was declared here
   10 |         int min;
      |             ^~~