/in/foo.cc: In function 'void insert(char*, int)':
/in/foo.cc:25:25: warning: unused variable 'k' [-Wunused-variable]
  register int i,j,now=0,k;
                         ^
/in/foo.cc: In function 'void getfail()':
/in/foo.cc:40:17: warning: unused variable 'j' [-Wunused-variable]
  register int i,j,u,v,fail,head=1,tail=1;
                 ^
/in/foo.cc:40:21: warning: unused variable 'v' [-Wunused-variable]
  register int i,j,u,v,fail,head=1,tail=1;
                     ^
/in/foo.cc: In function 'void AC()':
/in/foo.cc:63:17: warning: unused variable 'u' [-Wunused-variable]
  register int i,u,v,j,now=0;
                 ^
/in/foo.cc:63:19: warning: unused variable 'v' [-Wunused-variable]
  register int i,u,v,j,now=0;
                   ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:81:15: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[10000005]' [-Wformat=]
  scanf("%s",&T);
               ^
/in/foo.cc:84:15: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[105]' [-Wformat=]
  scanf("%s",&s),insert(s,i);
               ^
/in/foo.cc:82:17: warning: unused variable 'j' [-Wunused-variable]
  register int i,j,k;
                 ^
/in/foo.cc:82:19: warning: unused variable 'k' [-Wunused-variable]
  register int i,j,k;
                   ^