/in/foo.c: In function 'main':
/in/foo.c:36:4: error: 'nameNum' undeclared (first use in this function)
    nameNum=k;}
    ^~~~~~~
/in/foo.c:36:4: note: each undeclared identifier is reported only once for each function it appears in
/in/foo.c:11:6: warning: variable 'Name' set but not used [-Wunused-but-set-variable]
  int Name[N];
      ^~~~
/in/foo.c:6:6: warning: unused variable 'sumBUD' [-Wunused-variable]
  int sumBUD,sumAll;
      ^~~~~~
/in/foo.c:5:32: warning: unused variable 'k' [-Wunused-variable]
     int N,fscore,cscore,sciNum,k;
                                ^