/in/foo.cc: In function 'int main()':
/in/foo.cc:7:36: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[100]' [-Wformat=]
    7 |         for (i=1;i<=n;i++) scanf("%s%d%d%c%c%c%c%d",&name[i],&grade[i],&app[i],&leader[i],&leader[i],&west[i],&west[i],&paper[i]);
      |                                   ~^                ~~~~~~~~
      |                                    |                |
      |                                    char*            char (*)[100]
/in/foo.cc:4:15: warning: unused variable 'j' [-Wunused-variable]
    4 |         int i,j,n,grade[10000],app[10000],paper[10000],money[10000],sum,max,stu;
      |               ^
/in/foo.cc:4:77: warning: 'stu' may be used uninitialized [-Wmaybe-uninitialized]
    4 |         int i,j,n,grade[10000],app[10000],paper[10000],money[10000],sum,max,stu;
      |                                                                             ^~~