/in/foo.cc: In function 'int main()':
/in/foo.cc:7:12: warning: unused variable 'min' [-Wunused-variable]
  int n,c=0,min,j=0;
            ^~~
/in/foo.cc:7:16: warning: unused variable 'j' [-Wunused-variable]
  int n,c=0,min,j=0;
                ^