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bfs_rng.gcc
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init:
LDC 31337
LDC -1
LDC -1
CONS
CONS
LDF step
CONS
RTN
;////////////////////////////////////////////////////////////////////////////////
find_ghost_func:
LD 0 0
ATOM
TSEL find_ghost_not_found find_ghost_main_loop
find_ghost_main_loop:
LD 0 0
CAR
CDR
CAR
CAR
LD 0 1
CAR
CEQ
LD 0 0
CAR
CDR
CAR
CDR
LD 0 1
CDR
CEQ
MUL
LD 0 0
CDR
ST 0 0
TSEL find_ghost_found find_ghost_func
find_ghost_not_found:
LDC 1
RTN
find_ghost_found:
LDC 0
RTN
;////////////////////////////////////////////////////////////////////////////////
check_all_ghosts_func:
LD 0 1
ATOM
TSEL check_all_ghosts_ok check_all_ghosts_main_loop
check_all_ghosts_main_loop:
LD 0 0
LD 0 1
CAR
LDF find_ghost_func
AP 2
LDC 1
CEQ
LD 0 1
CDR
ST 0 1
TSEL check_all_ghosts_func check_all_ghosts_fail
check_all_ghosts_ok:
LDC 1
RTN
check_all_ghosts_fail:
LDC 0
RTN
;////////////////////////////////////////////////////////////////////////////////
;////////////////////////////////////////////////////////////////////////////////
length_func:
LDC 1
length_loop:
LDC 1
ADD
LD 0 0
CDR
ATOM
LD 0 0
CDR
ST 0 0
TSEL length_ret length_loop
length_ret:
RTN
;////////////////////////////////////////////////////////////////////////////////
dup:
LD 0 0
LD 0 0
RTN
;////////////////////////////////////////////////////////////////////////////////
swap:
LD 0 1
LD 0 0
RTN
;////////////////////////////////////////////////////////////////////////////////
get_nth_element_func:
LD 0 1
LDC 0
CEQ
LD 0 1
LDC 1
SUB
ST 0 1
TSEL get_nth_element_ret get_nth_element_continue
get_nth_element_continue:
LD 0 0
CDR
ST 0 0
LDC 1
LDC 1
CEQ
TSEL get_nth_element_func get_nth_element_ret
get_nth_element_ret:
LD 0 0
CAR
RTN
get_cell_func:
LD 0 0
LD 0 1
CDR
LDF get_nth_element_func
AP 2
LD 0 1
CAR
LDF get_nth_element_func
AP 2
RTN
;////////////////////////////////////////////////////////////////////////////////
valid_cell:
LD 0 0
LD 0 1
LDF get_cell_func
AP 2
LDC 0
CGT
RTN
;////////////////////////////////////////////////////////////////////////////////
finish_cell:
LD 0 0
LD 0 1
LDF get_cell_func
AP 2
LDC 2
DIV
LDC 1
CEQ
RTN
;////////////////////////////////////////////////////////////////////////////////
is_visited_func:
LD 0 0
ATOM
TSEL is_visited_not_found is_visited_main_loop
is_visited_main_loop:
LD 0 0
CAR
CAR
LD 0 1
CAR
CEQ
LD 0 0
CAR
CDR
LD 0 1
CDR
CEQ
MUL
LD 0 0
CDR
ST 0 0
TSEL is_visited_found is_visited_func
is_visited_not_found:
LDC 1
RTN
is_visited_found:
LDC 0
RTN
;////////////////////////////////////////////////////////////////////////////////
adjacent_func:
LD 0 0
LD 0 2
CAR
LD 0 3
ADD
LD 0 2
CDR
LD 0 4
ADD
CONS
LDF valid_cell
AP 2
LD 0 1
LD 0 2
CAR
LD 0 3
ADD
LD 0 2
CDR
LD 0 4
ADD
CONS
LDF is_visited_func
AP 2
MUL
LDC 1
CEQ
TSEL adjacent_add adjacent_rtn
adjacent_add:
LD 2 3
LDC 1
ADD
ST 2 3
LD 0 2
CAR
LD 0 3
ADD
LD 0 2
CDR
LD 0 4
ADD
CONS
LDC 0
CONS
RTN
adjacent_rtn:
LDC 0
RTN
;////////////////////////////////////////////////////////////////////////////////
concat_func:
LD 0 1
ATOM
TSEL concat_rtn concat_continue
concat_continue:
LD 0 1
CAR
LD 0 0
CONS
ST 0 0
LD 0 1
CDR
ST 0 1
LDC 1
LDC 1
CEQ
TSEL concat_func concat_rtn
concat_rtn:
LD 0 0
RTN
;////////////////////////////////////////////////////////////////////////////////
update_visited_func:
LD 0 1
update_visited_loop:
LD 0 0
LD 0 2
LD 0 1
CAR
LDC 0
LDC -1
LDF adjacent_func
AP 5
LDF concat_func
AP 2
LD 0 0
LD 0 2
LD 0 1
CAR
LDC 1
LDC 0
LDF adjacent_func
AP 5
LDF concat_func
AP 2
LD 0 0
LD 0 2
LD 0 1
CAR
LDC 0
LDC 1
LDF adjacent_func
AP 5
LDF concat_func
AP 2
LD 0 0
LD 0 2
LD 0 1
CAR
LDC -1
LDC 0
LDF adjacent_func
AP 5
LDF concat_func
AP 2
LD 0 1
CDR
ST 0 1
LD 0 1
ATOM
TSEL update_visited_rtn update_visited_continue
update_visited_continue:
LDC 1
LDC 1
CEQ
TSEL update_visited_loop update_visited_rtn
update_visited_rtn:
RTN
;////////////////////////////////////////////////////////////////////////////////
check_finished_func:
LD 0 1
ATOM
TSEL check_finished_fail check_finished_continue
check_finished_continue:
LD 0 0
LD 0 1
CAR
LDF finish_cell
AP 2
LD 0 1
CDR
ST 0 1
LDC 1
CEQ
TSEL check_finished_ok check_finished_func
check_finished_ok:
LDC 1
RTN
check_finished_fail:
LDC 0
RTN
;////////////////////////////////////////////////////////////////////////////////
bfs_func:
LD 2 1
CDR
CDR
CAR
LD 0 1
LDF check_all_ghosts_func
AP 2
TSEL bfs_continue4 bfs_return_max_dist
bfs_continue4:
LD 0 0
LD 0 1
LDF check_finished_func
AP 2
LDC 1
CEQ
TSEL bfs_return_dist bfs_continue1
bfs_continue1:
LD 0 2
LDC 20
CGT
TSEL bfs_return_dist bfs_continue2
bfs_continue2:
LD 0 0
LD 0 1
LD 0 1
LDF update_visited_func
AP 3
bfs_continue3:
ST 0 1
LD 0 2
LDC 1
ADD
ST 0 2
LD 0 3
LDC 50
CGT
TSEL bfs_return_max_dist bfs_func
bfs_return_max_dist:
LDC 1005001
ST 0 2
bfs_return_dist:
LD 0 2
RTN
;////////////////////////////////////////////////////////////////////////////////
bfs_maybe_func:
LD 0 0
LD 0 1
LDF valid_cell
AP 2
LDC 1
CEQ
TSEL bfs_maybe_continue bfs_maybe_return
bfs_maybe_continue:
LD 0 0
LD 0 1
LDC 0
CONS
LDC 1
LDC 0
LDF bfs_func
AP 4
LD 0 2
CONS
LDC 0
CONS
RTN
bfs_maybe_return:
LDC 0
RTN
;////////////////////////////////////////////////////////////////////////////////
find_minimum_func:
LD 0 0
ATOM
TSEL find_minimum_ret find_minimum_continue
find_minimum_continue:
LD 0 2
LD 0 0
CAR
CAR
CGT
TSEL find_minimum_update_dist find_minimum_continue2
find_minimum_update_dist:
LD 0 0
CAR
CAR
ST 0 2
LD 0 0
CAR
CDR
ST 0 1
find_minimum_continue2:
LD 0 0
CDR
ST 0 0
LDC 1
LDC 1
CEQ
TSEL find_minimum_func find_minimum_ret
find_minimum_ret:
LD 0 1
RTN
;////////////////////////////////////////////////////////////////////////////////
mod:
LDF dup
AP 1
LD 0 0
DIV
LD 0 0
MUL
SUB
RTN
;////////////////////////////////////////////////////////////////////////////////
update_state:
LDC 1103515245
MUL
LDC 12345
ADD
LDC 1299709
LDF mod
AP 1
JOIN
;////////////////////////////////////////////////////////////////////////////////
get_current_location:
LD 0 0
CDR
CAR
CDR
CAR
RTN
;////////////////////////////////////////////////////////////////////////////////
unpack_pair:
LD 0 0
CDR
LD 0 0
CAR
LDC 10000
MUL
ADD
RTN
;////////////////////////////////////////////////////////////////////////////////
step:
LDC 0
; dir0
LD 0 1
CAR
LD 0 1
CDR
CAR
CDR
CAR
CAR
LD 0 1
CDR
CAR
CDR
CAR
CDR
LDC -1
ADD
CONS
LDC 0
LDF bfs_maybe_func
AP 3
LDF concat_func
AP 2
;dir1
LD 0 1
CAR
LD 0 1
CDR
CAR
CDR
CAR
CAR
LDC 1
ADD
LD 0 1
CDR
CAR
CDR
CAR
CDR
CONS
LDC 1
LDF bfs_maybe_func
AP 3
LDF concat_func
AP 2
;dir2
LD 0 1
CAR
LD 0 1
CDR
CAR
CDR
CAR
CAR
LD 0 1
CDR
CAR
CDR
CAR
CDR
LDC 1
ADD
CONS
LDC 2
LDF bfs_maybe_func
AP 3
LDF concat_func
AP 2
;dir3
LD 0 1
CAR
LD 0 1
CDR
CAR
CDR
CAR
CAR
LDC -1
ADD
LD 0 1
CDR
CAR
CDR
CAR
CDR
CONS
LDC 3
LDF bfs_maybe_func
AP 3
LDF concat_func
AP 2
;final_answer
LDC -1
LDC 100500
LDF find_minimum_func
AP 3
LD 0 0
LDF swap
AP 2
LDF dup
AP 1
LDC -1
CEQ
TSEL get_state_from_rng return_immediately
nop:
JOIN
get_state_from_rng:
LD 0 0
CAR
LD 0 0
CDR
LDF unpack_pair
AP 1
LD 0 1
LDF get_current_location
AP 1
LDF unpack_pair
AP 1
CEQ
SEL update_state nop
LD 0 1
LDF get_current_location
AP 1
CONS
LDF dup
AP 1
CAR
LDC 4
LDF mod
AP 1
CONS
RTN
return_immediately:
CONS
RTN