.file	"09_BFS.sy"
	.option pic
	.attribute arch, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_zicsr2p0_zifencei2p0"
	.attribute unaligned_access, 0
	.attribute stack_align, 16
	.text
	.align	1
	.globl	quick_read
	.type	quick_read, @function
quick_read:
	addi	sp,sp,-32
	sd	s2,0(sp)
	sd	ra,24(sp)
	sd	s0,16(sp)
	sd	s1,8(sp)
	call	getch@plt
	addiw	a4,a0,-48
	li	a5,9
	li	s2,0
	bleu	a4,a5,.L2
	li	s1,45
	li	s0,9
.L4:
	bne	a0,s1,.L3
	li	s2,1
.L3:
	call	getch@plt
	addiw	a5,a0,-48
	bgtu	a5,s0,.L4
.L2:
	li	a5,0
	li	s1,9
.L5:
	slliw	s0,a5,2
	addw	s0,s0,a5
	slliw	s0,s0,1
	addw	s0,s0,a0
	call	getch@plt
	addiw	a4,a0,-48
	addiw	a5,s0,-48
	bleu	a4,s1,.L5
	beq	s2,zero,.L6
	li	a5,48
	subw	a5,a5,s0
.L6:
	ld	ra,24(sp)
	ld	s0,16(sp)
	ld	s1,8(sp)
	ld	s2,0(sp)
	mv	a0,a5
	addi	sp,sp,32
	jr	ra
	.size	quick_read, .-quick_read
	.align	1
	.globl	add_edge
	.type	add_edge, @function
add_edge:
	lla	t1,.LANCHOR0
	lw	a5,0(t1)
	lla	a4,head
	slli	a3,a0,2
	add	a3,a4,a3
	slli	a2,a1,2
	lw	t5,0(a3)
	add	a4,a4,a2
	sw	a5,0(a3)
	addiw	a6,a5,1
	slli	a7,a5,2
	lw	t4,0(a4)
	lla	a2,to
	lla	a3,next
	add	t6,a2,a7
	mv	t3,a6
	add	a7,a3,a7
	slli	a6,a6,2
	sw	a1,0(t6)
	sw	t5,0(a7)
	add	a2,a2,a6
	add	a3,a3,a6
	addiw	a5,a5,2
	sw	a0,0(a2)
	sw	t4,0(a3)
	sw	t3,0(a4)
	sw	a5,0(t1)
	ret
	.size	add_edge, .-add_edge
	.align	1
	.globl	init
	.type	init, @function
init:
	li	a2,4096
	addi	a2,a2,-76
	li	a1,255
	lla	a0,head
	tail	memset@plt
	.size	init, .-init
	.align	1
	.globl	inqueue
	.type	inqueue, @function
inqueue:
	lla	a1,.LANCHOR0
	lw	a5,4(a1)
	slli	a4,a0,2
	lla	a3,inq
	addiw	a2,a5,1
	mv	a5,a2
	add	a3,a3,a4
	slli	a2,a2,2
	lla	a4,que
	add	a4,a4,a2
	li	a2,1
	sw	a2,0(a3)
	sw	a5,4(a1)
	sw	a0,0(a4)
	ret
	.size	inqueue, .-inqueue
	.align	1
	.globl	pop_queue
	.type	pop_queue, @function
pop_queue:
	lla	a2,.LANCHOR0
	lw	a5,8(a2)
	lla	a4,que
	addiw	a3,a5,1
	mv	a5,a3
	slli	a3,a3,2
	add	a4,a4,a3
	lw	a0,0(a4)
	sw	a5,8(a2)
	ret
	.size	pop_queue, .-pop_queue
	.align	1
	.globl	same
	.type	same, @function
same:
	addi	sp,sp,-48
	slli	a5,a0,2
	lla	t3,inq
	sd	s1,32(sp)
	sd	s2,24(sp)
	sd	s3,16(sp)
	sd	s4,8(sp)
	sd	s5,0(sp)
	sd	s0,40(sp)
	li	a4,1
	lla	s3,.LANCHOR0
	add	a5,t3,a5
	lla	t6,que
	lla	s4,que+4
	mv	s1,a1
	sw	a0,4(t6)
	sw	a4,4(s3)
	sw	zero,.LANCHOR0+8,a3
	sw	a4,0(a5)
	mv	a1,s4
	li	s5,0
	li	a7,1
	li	a0,0
	li	t2,0
	lla	s2,head
	li	t0,1
	li	t4,-1
	lla	t5,to
	lla	a2,next
.L26:
	lw	a5,0(a1)
	addiw	t2,t2,1
	mv	s0,t2
	bne	s1,a5,.L21
	li	a0,1
.L21:
	slli	a5,a5,2
	add	a5,s2,a5
.L40:
	lw	a5,0(a5)
	beq	a5,t4,.L22
.L25:
	slli	a5,a5,2
	add	a4,t5,a5
	lw	a3,0(a4)
	add	t1,a2,a5
	mv	a5,t1
	slli	a4,a3,2
	add	a4,t3,a4
	lw	a6,0(a4)
	bne	a6,zero,.L40
	addiw	a7,a7,1
	slli	a6,a7,2
	lw	a5,0(t1)
	add	a6,t6,a6
	sw	t0,0(a4)
	sw	a3,0(a6)
	li	s5,1
	bne	a5,t4,.L25
.L22:
	addi	a1,a1,4
	blt	t2,a7,.L26
	sw	s0,8(s3)
	beq	s5,zero,.L27
	sw	a7,4(s3)
.L27:
	slli	a3,a7,2
	lla	a4,que
	add	a3,a3,s4
	blt	a7,zero,.L38
.L29:
	lw	a5,0(a4)
	addi	a4,a4,4
	slli	a5,a5,2
	add	a5,t3,a5
	sw	zero,0(a5)
	bne	a3,a4,.L29
.L38:
	ld	s0,40(sp)
	ld	s1,32(sp)
	ld	s2,24(sp)
	ld	s3,16(sp)
	ld	s4,8(sp)
	ld	s5,0(sp)
	addi	sp,sp,48
	jr	ra
	.size	same, .-same
	.section	.text.startup,"ax",@progbits
	.align	1
	.globl	main
	.type	main, @function
main:
	addi	sp,sp,-96
	sd	ra,88(sp)
	sd	s0,80(sp)
	sd	s2,64(sp)
	sd	s1,72(sp)
	sd	s3,56(sp)
	sd	s4,48(sp)
	sd	s5,40(sp)
	sd	s6,32(sp)
	sd	s7,24(sp)
	sd	s8,16(sp)
	sd	s9,8(sp)
	lla	s2,.LANCHOR0
	call	quick_read
	sw	a0,12(s2)
	call	quick_read
	li	a2,4096
	mv	s0,a0
	addi	a2,a2,-76
	li	a1,255
	lla	a0,head
	sw	s0,16(s2)
	call	memset@plt
	beq	s0,zero,.L42
	li	s0,81
	li	s1,85
	lla	s5,to
	lla	s4,next
	lla	s3,head
	j	.L67
.L106:
	beq	a0,s1,.L44
.L67:
	call	getch@plt
	bne	a0,s0,.L106
	call	getch@plt
	addiw	a4,a0,-48
	li	a5,9
	li	s8,0
	li	s7,45
	li	s6,9
	bleu	a4,a5,.L47
.L46:
	bne	a0,s7,.L50
	li	s8,1
.L50:
	call	getch@plt
	addiw	a5,a0,-48
	bgtu	a5,s6,.L46
.L47:
	li	s6,0
	li	s9,9
.L51:
	slliw	s7,s6,2
	addw	s7,s7,s6
	slliw	s7,s7,1
	addw	s7,s7,a0
	call	getch@plt
	addiw	a5,a0,-48
	addiw	s6,s7,-48
	bleu	a5,s9,.L51
	beq	s8,zero,.L52
	li	s6,48
	subw	s6,s6,s7
.L52:
	call	getch@plt
	addiw	a4,a0,-48
	li	a5,9
	li	s8,0
	bleu	a4,a5,.L53
	li	s9,45
	li	s7,9
.L55:
	bne	a0,s9,.L54
	li	s8,1
.L54:
	call	getch@plt
	addiw	a5,a0,-48
	bgtu	a5,s7,.L55
.L53:
	li	a1,0
	li	s9,9
.L56:
	slliw	s7,a1,2
	addw	s7,s7,a1
	slliw	s7,s7,1
	addw	s7,s7,a0
	call	getch@plt
	addiw	a5,a0,-48
	addiw	a1,s7,-48
	bleu	a5,s9,.L56
	beq	s8,zero,.L57
	li	a1,48
	subw	a1,a1,s7
.L57:
	mv	a0,s6
	call	same
	call	putint@plt
	li	a0,10
	call	putch@plt
.L58:
	lw	a5,16(s2)
	addiw	a4,a5,-1
	sw	a4,16(s2)
	bne	a4,zero,.L67
.L42:
	ld	ra,88(sp)
	ld	s0,80(sp)
	ld	s1,72(sp)
	ld	s2,64(sp)
	ld	s3,56(sp)
	ld	s4,48(sp)
	ld	s5,40(sp)
	ld	s6,32(sp)
	ld	s7,24(sp)
	ld	s8,16(sp)
	ld	s9,8(sp)
	li	a0,0
	addi	sp,sp,96
	jr	ra
.L44:
	call	getch@plt
	addiw	a4,a0,-48
	li	a5,9
	li	s8,0
	li	s7,45
	li	s6,9
	bleu	a4,a5,.L49
.L48:
	bne	a0,s7,.L59
	li	s8,1
.L59:
	call	getch@plt
	addiw	a5,a0,-48
	bgtu	a5,s6,.L48
.L49:
	li	s6,0
	li	s9,9
.L60:
	slliw	s7,s6,2
	addw	s7,s7,s6
	slliw	s7,s7,1
	addw	s7,s7,a0
	call	getch@plt
	addiw	a5,a0,-48
	addiw	s6,s7,-48
	bleu	a5,s9,.L60
	beq	s8,zero,.L61
	li	s6,48
	subw	s6,s6,s7
.L61:
	call	getch@plt
	addiw	a4,a0,-48
	li	a5,9
	li	s8,0
	bleu	a4,a5,.L62
	li	s9,45
	li	s7,9
.L64:
	bne	a0,s9,.L63
	li	s8,1
.L63:
	call	getch@plt
	addiw	a5,a0,-48
	bgtu	a5,s7,.L64
.L62:
	li	a5,0
	li	s9,9
.L65:
	slliw	s7,a5,2
	addw	s7,s7,a5
	slliw	s7,s7,1
	addw	s7,s7,a0
	call	getch@plt
	addiw	a4,a0,-48
	addiw	a5,s7,-48
	bleu	a4,s9,.L65
	beq	s8,zero,.L66
	li	a5,48
	subw	a5,a5,s7
.L66:
	lw	a4,0(s2)
	slli	a3,s6,2
	add	a3,s3,a3
	slli	a2,a5,2
	lw	a7,0(a3)
	addiw	a0,a4,1
	sw	a4,0(a3)
	add	a2,s3,a2
	slli	a1,a4,2
	lw	a6,0(a2)
	sext.w	a3,a0
	slli	a3,a3,2
	add	t1,s5,a1
	add	a1,s4,a1
	sw	a5,0(t1)
	sw	a7,0(a1)
	add	a5,s5,a3
	addiw	a4,a4,2
	add	a3,s4,a3
	sw	s6,0(a5)
	sw	a6,0(a3)
	sw	a0,0(a2)
	sw	a4,0(s2)
	j	.L58
	.size	main, .-main
	.globl	inq
	.globl	tail
	.globl	h
	.globl	que
	.globl	cnt
	.globl	head
	.globl	next
	.globl	to
	.globl	m
	.globl	n
	.globl	_sysy_idx
	.globl	_sysy_us
	.globl	_sysy_s
	.globl	_sysy_m
	.globl	_sysy_h
	.globl	_sysy_l2
	.globl	_sysy_l1
	.globl	_sysy_end
	.globl	_sysy_start
	.bss
	.align	3
	.set	.LANCHOR0,. + 0
	.type	cnt, @object
	.size	cnt, 4
cnt:
	.zero	4
	.type	tail, @object
	.size	tail, 4
tail:
	.zero	4
	.type	h, @object
	.size	h, 4
h:
	.zero	4
	.type	n, @object
	.size	n, 4
n:
	.zero	4
	.type	m, @object
	.size	m, 4
m:
	.zero	4
	.zero	4
	.type	inq, @object
	.size	inq, 4020
inq:
	.zero	4020
	.zero	4
	.type	que, @object
	.size	que, 4020
que:
	.zero	4020
	.zero	4
	.type	head, @object
	.size	head, 4020
head:
	.zero	4020
	.zero	4
	.type	next, @object
	.size	next, 20020
next:
	.zero	20020
	.zero	4
	.type	to, @object
	.size	to, 20020
to:
	.zero	20020
	.type	_sysy_idx, @object
	.size	_sysy_idx, 4
_sysy_idx:
	.zero	4
	.type	_sysy_us, @object
	.size	_sysy_us, 4096
_sysy_us:
	.zero	4096
	.type	_sysy_s, @object
	.size	_sysy_s, 4096
_sysy_s:
	.zero	4096
	.type	_sysy_m, @object
	.size	_sysy_m, 4096
_sysy_m:
	.zero	4096
	.type	_sysy_h, @object
	.size	_sysy_h, 4096
_sysy_h:
	.zero	4096
	.type	_sysy_l2, @object
	.size	_sysy_l2, 4096
_sysy_l2:
	.zero	4096
	.type	_sysy_l1, @object
	.size	_sysy_l1, 4096
_sysy_l1:
	.zero	4096
	.type	_sysy_end, @object
	.size	_sysy_end, 16
_sysy_end:
	.zero	16
	.type	_sysy_start, @object
	.size	_sysy_start, 16
_sysy_start:
	.zero	16
	.ident	"GCC: (Debian 12.2.0-13) 12.2.0"
	.section	.note.GNU-stack,"",@progbits