/in/foo.cc: In function 'void FindMin(int*, int)':
/in/foo.cc:7:7: warning: unused variable 'j' [-Wunused-variable]
   int j=0;
       ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:18:10: warning: unused variable 'x' [-Wunused-variable]
  int n=0,x=0;
          ^