.text
	.attribute	4, 16
	.attribute	5, "rv64i2p0_m2p0_a2p0_f2p0_d2p0_c2p0"
	.file	"10_DFS.sy"
	.globl	quick_read
	.p2align	1
	.type	quick_read,@function
quick_read:
	addi	sp, sp, -48
	sd	ra, 40(sp)
	sd	s0, 32(sp)
	sd	s1, 24(sp)
	sd	s2, 16(sp)
	sd	s3, 8(sp)
	call	getch
	addiw	a1, a0, -58
	li	a2, -11
	bltu	a2, a1, .LBB0_5
	li	a1, 0
	li	s2, 45
	li	s0, -10
	j	.LBB0_3
.LBB0_2:
	call	getch
	addiw	a2, a0, -58
	mv	a1, s3
	bgeu	a2, s0, .LBB0_6
.LBB0_3:
	sext.w	a0, a0
	li	s3, 1
	beq	a0, s2, .LBB0_2
	mv	s3, a1
	j	.LBB0_2
.LBB0_5:
	li	s3, 0
.LBB0_6:
	li	s0, 0
	li	s1, 10
.LBB0_7:
	mulw	a1, s0, s1
	addw	a0, a0, a1
	addiw	s0, a0, -48
	call	getch
	addiw	a1, a0, -48
	bltu	a1, s1, .LBB0_7
	beqz	s3, .LBB0_10
	negw	s0, s0
.LBB0_10:
	mv	a0, s0
	ld	ra, 40(sp)
	ld	s0, 32(sp)
	ld	s1, 24(sp)
	ld	s2, 16(sp)
	ld	s3, 8(sp)
	addi	sp, sp, 48
	ret
.Lfunc_end0:
	.size	quick_read, .Lfunc_end0-quick_read

	.globl	add_edge
	.p2align	1
	.type	add_edge,@function
add_edge:
	lui	a6, %hi(cnt)
	lw	a3, %lo(cnt)(a6)
	lui	a4, %hi(to)
	addi	a7, a4, %lo(to)
	slli	a5, a3, 2
	add	a2, a5, a7
	sw	a1, 0(a2)
	lui	a2, %hi(head)
	addi	t1, a2, %lo(head)
	slli	a4, a0, 2
	add	a4, a4, t1
	lw	t0, 0(a4)
	lui	a2, %hi(next)
	addi	t2, a2, %lo(next)
	add	a5, a5, t2
	sw	t0, 0(a5)
	sw	a3, 0(a4)
	addiw	a4, a3, 1
	slli	a5, a4, 2
	slli	a1, a1, 2
	add	a1, a1, t1
	lw	t0, 0(a1)
	add	a2, a5, a7
	sw	a0, 0(a2)
	add	a0, a5, t2
	sw	t0, 0(a0)
	sw	a4, 0(a1)
	addiw	a0, a3, 2
	sw	a0, %lo(cnt)(a6)
	ret
.Lfunc_end1:
	.size	add_edge, .Lfunc_end1-add_edge

	.globl	init
	.p2align	1
	.type	init,@function
init:
	addi	sp, sp, -16
	sd	ra, 8(sp)
	lui	a0, %hi(head)
	addi	a0, a0, %lo(head)
	lui	a1, 1
	addiw	a2, a1, -76
	li	a1, 255
	call	memset@plt
	ld	ra, 8(sp)
	addi	sp, sp, 16
	ret
.Lfunc_end2:
	.size	init, .Lfunc_end2-init

	.globl	clear
	.p2align	1
	.type	clear,@function
clear:
	addi	sp, sp, -16
	sd	ra, 8(sp)
	lui	a0, %hi(n)
	lw	a0, %lo(n)(a0)
	blez	a0, .LBB3_2
	slli	a0, a0, 32
	srli	a0, a0, 32
	slli	a2, a0, 2
	lui	a0, %hi(vis+4)
	addi	a0, a0, %lo(vis+4)
	li	a1, 0
	call	memset@plt
.LBB3_2:
	ld	ra, 8(sp)
	addi	sp, sp, 16
	ret
.Lfunc_end3:
	.size	clear, .Lfunc_end3-clear

	.globl	same
	.p2align	1
	.type	same,@function
same:
	addi	sp, sp, -64
	sd	ra, 56(sp)
	sd	s0, 48(sp)
	sd	s1, 40(sp)
	sd	s2, 32(sp)
	sd	s3, 24(sp)
	sd	s4, 16(sp)
	sd	s5, 8(sp)
	sd	s6, 0(sp)
	mv	s3, a1
	lui	a1, %hi(vis)
	addi	a2, a1, %lo(vis)
	slli	a1, a0, 2
	add	a2, a2, a1
	li	s2, 1
	sw	s2, 0(a2)
	beq	a0, s3, .LBB4_7
	lui	a0, %hi(head)
	addi	a0, a0, %lo(head)
	add	a0, a0, a1
	lw	a0, 0(a0)
	li	s4, -1
	beq	a0, s4, .LBB4_6
	lui	a1, %hi(to)
	addi	s5, a1, %lo(to)
	lui	a1, %hi(vis)
	addi	s6, a1, %lo(vis)
	lui	a1, %hi(next)
	addi	s1, a1, %lo(next)
	j	.LBB4_4
.LBB4_3:
	add	a0, s0, s1
	lw	a0, 0(a0)
	beq	a0, s4, .LBB4_6
.LBB4_4:
	slli	s0, a0, 2
	add	a0, s0, s5
	lw	a0, 0(a0)
	slli	a1, a0, 2
	add	a1, a1, s6
	lw	a1, 0(a1)
	bnez	a1, .LBB4_3
	mv	a1, s3
	call	same
	beqz	a0, .LBB4_3
	j	.LBB4_7
.LBB4_6:
	li	s2, 0
.LBB4_7:
	mv	a0, s2
	ld	ra, 56(sp)
	ld	s0, 48(sp)
	ld	s1, 40(sp)
	ld	s2, 32(sp)
	ld	s3, 24(sp)
	ld	s4, 16(sp)
	ld	s5, 8(sp)
	ld	s6, 0(sp)
	addi	sp, sp, 64
	ret
.Lfunc_end4:
	.size	same, .Lfunc_end4-same

	.globl	main
	.p2align	1
	.type	main,@function
main:
	addi	sp, sp, -112
	sd	ra, 104(sp)
	sd	s0, 96(sp)
	sd	s1, 88(sp)
	sd	s2, 80(sp)
	sd	s3, 72(sp)
	sd	s4, 64(sp)
	sd	s5, 56(sp)
	sd	s6, 48(sp)
	sd	s7, 40(sp)
	sd	s8, 32(sp)
	sd	s9, 24(sp)
	sd	s10, 16(sp)
	sd	s11, 8(sp)
	call	getch
	addiw	a1, a0, -58
	li	a2, -11
	bltu	a2, a1, .LBB5_5
	li	a1, 0
	li	s2, 45
	li	s1, -10
	j	.LBB5_3
.LBB5_2:
	call	getch
	addiw	a2, a0, -58
	mv	a1, s3
	bgeu	a2, s1, .LBB5_6
.LBB5_3:
	sext.w	a0, a0
	li	s3, 1
	beq	a0, s2, .LBB5_2
	mv	s3, a1
	j	.LBB5_2
.LBB5_5:
	li	s3, 0
.LBB5_6:
	li	s1, 0
	li	s0, 10
.LBB5_7:
	mulw	a1, s1, s0
	addw	a0, a0, a1
	addiw	s1, a0, -48
	call	getch
	addiw	a1, a0, -48
	bltu	a1, s0, .LBB5_7
	beqz	s3, .LBB5_10
	neg	s1, s1
.LBB5_10:
	lui	a0, %hi(n)
	sw	s1, %lo(n)(a0)
	call	getch
	addiw	a1, a0, -58
	li	a2, -11
	bltu	a2, a1, .LBB5_15
	li	a1, 0
	li	s2, 45
	li	s1, -10
	j	.LBB5_13
.LBB5_12:
	call	getch
	addiw	a2, a0, -58
	mv	a1, s3
	bgeu	a2, s1, .LBB5_16
.LBB5_13:
	sext.w	a0, a0
	li	s3, 1
	beq	a0, s2, .LBB5_12
	mv	s3, a1
	j	.LBB5_12
.LBB5_15:
	li	s3, 0
.LBB5_16:
	li	s1, 0
	li	s0, 10
.LBB5_17:
	mulw	a1, s1, s0
	addw	a0, a0, a1
	addiw	s1, a0, -48
	call	getch
	addiw	a1, a0, -48
	bltu	a1, s0, .LBB5_17
	beqz	s3, .LBB5_20
	negw	s1, s1
.LBB5_20:
	lui	s4, %hi(m)
	sw	s1, %lo(m)(s4)
	lui	a0, %hi(head)
	addi	s3, a0, %lo(head)
	lui	a0, 1
	addiw	a2, a0, -76
	li	a1, 255
	mv	a0, s3
	call	memset@plt
	beqz	s1, .LBB5_68
	li	s5, 81
	li	s6, -11
	li	s7, 45
	li	s8, -10
	li	s9, 10
	lui	a0, %hi(vis+4)
	addi	a0, a0, %lo(vis+4)
	sd	a0, 0(sp)
	lui	a0, %hi(to)
	addi	s10, a0, %lo(to)
	lui	a0, %hi(next)
	addi	s2, a0, %lo(next)
	j	.LBB5_23
.LBB5_22:
	lui	a6, %hi(cnt)
	lw	a0, %lo(cnt)(a6)
	slli	a1, a0, 2
	slli	a2, s0, 2
	add	a2, a2, s3
	lw	a3, 0(a2)
	add	a4, a1, s10
	sw	s1, 0(a4)
	add	a1, a1, s2
	sw	a3, 0(a1)
	sw	a0, 0(a2)
	addiw	a1, a0, 1
	slli	a2, a1, 2
	add	a3, a2, s10
	slli	a4, s1, 2
	add	a4, a4, s3
	lw	a5, 0(a4)
	sw	s0, 0(a3)
	addi	a3, a6, %lo(cnt)
	add	a2, a2, s2
	sw	a5, 0(a2)
	sw	a1, 0(a4)
	addiw	a0, a0, 2
	sw	a0, 0(a3)
	lw	a0, %lo(m)(s4)
	addiw	a0, a0, -1
	sw	a0, %lo(m)(s4)
	beqz	a0, .LBB5_68
.LBB5_23:
	call	getch
	mv	s0, a0
	andi	a0, a0, -5
	bne	a0, s5, .LBB5_23
	call	getch
	addiw	a1, a0, -58
	bne	s0, s5, .LBB5_30
	bltu	s6, a1, .LBB5_35
	li	a1, 0
	j	.LBB5_28
.LBB5_27:
	call	getch
	addiw	a2, a0, -58
	mv	a1, s0
	bgeu	a2, s8, .LBB5_36
.LBB5_28:
	sext.w	a0, a0
	li	s0, 1
	beq	a0, s7, .LBB5_27
	mv	s0, a1
	j	.LBB5_27
.LBB5_30:
	bltu	s6, a1, .LBB5_45
	li	a1, 0
	j	.LBB5_33
.LBB5_32:
	call	getch
	addiw	a2, a0, -58
	mv	a1, s1
	bgeu	a2, s8, .LBB5_46
.LBB5_33:
	sext.w	a0, a0
	li	s1, 1
	beq	a0, s7, .LBB5_32
	mv	s1, a1
	j	.LBB5_32
.LBB5_35:
	li	s0, 0
.LBB5_36:
	li	s1, 0
.LBB5_37:
	mulw	a1, s1, s9
	addw	a0, a0, a1
	addiw	s1, a0, -48
	call	getch
	addiw	a1, a0, -48
	bltu	a1, s9, .LBB5_37
	beqz	s0, .LBB5_40
	negw	s1, s1
.LBB5_40:
	call	getch
	addiw	a1, a0, -58
	bltu	s6, a1, .LBB5_55
	li	a1, 0
	j	.LBB5_43
.LBB5_42:
	call	getch
	addiw	a2, a0, -58
	mv	a1, s11
	bgeu	a2, s8, .LBB5_56
.LBB5_43:
	sext.w	a0, a0
	li	s11, 1
	beq	a0, s7, .LBB5_42
	mv	s11, a1
	j	.LBB5_42
.LBB5_45:
	li	s1, 0
.LBB5_46:
	li	s0, 0
.LBB5_47:
	mulw	a1, s0, s9
	addw	a0, a0, a1
	addiw	s0, a0, -48
	call	getch
	addiw	a1, a0, -48
	bltu	a1, s9, .LBB5_47
	beqz	s1, .LBB5_50
	negw	s0, s0
.LBB5_50:
	call	getch
	addiw	a1, a0, -58
	bltu	s6, a1, .LBB5_63
	li	a1, 0
	j	.LBB5_53
.LBB5_52:
	call	getch
	addiw	a2, a0, -58
	mv	a1, s11
	bgeu	a2, s8, .LBB5_64
.LBB5_53:
	sext.w	a0, a0
	li	s11, 1
	beq	a0, s7, .LBB5_52
	mv	s11, a1
	j	.LBB5_52
.LBB5_55:
	li	s11, 0
.LBB5_56:
	li	s0, 0
.LBB5_57:
	mulw	a1, s0, s9
	addw	a0, a0, a1
	addiw	s0, a0, -48
	call	getch
	addiw	a1, a0, -48
	bltu	a1, s9, .LBB5_57
	beqz	s11, .LBB5_60
	negw	s0, s0
.LBB5_60:
	lui	a0, %hi(n)
	lw	a0, %lo(n)(a0)
	blez	a0, .LBB5_62
	slli	a0, a0, 32
	srli	a0, a0, 32
	slli	a2, a0, 2
	ld	a0, 0(sp)
	li	a1, 0
	call	memset@plt
.LBB5_62:
	mv	a0, s1
	mv	a1, s0
	call	same
	call	putint
	li	a0, 10
	call	putch
	lw	a0, %lo(m)(s4)
	addiw	a0, a0, -1
	sw	a0, %lo(m)(s4)
	bnez	a0, .LBB5_23
	j	.LBB5_68
.LBB5_63:
	li	s11, 0
.LBB5_64:
	li	s1, 0
.LBB5_65:
	mulw	a1, s1, s9
	addw	a0, a0, a1
	addiw	s1, a0, -48
	call	getch
	addiw	a1, a0, -48
	bltu	a1, s9, .LBB5_65
	beqz	s11, .LBB5_22
	negw	s1, s1
	j	.LBB5_22
.LBB5_68:
	li	a0, 0
	ld	ra, 104(sp)
	ld	s0, 96(sp)
	ld	s1, 88(sp)
	ld	s2, 80(sp)
	ld	s3, 72(sp)
	ld	s4, 64(sp)
	ld	s5, 56(sp)
	ld	s6, 48(sp)
	ld	s7, 40(sp)
	ld	s8, 32(sp)
	ld	s9, 24(sp)
	ld	s10, 16(sp)
	ld	s11, 8(sp)
	addi	sp, sp, 112
	ret
.Lfunc_end5:
	.size	main, .Lfunc_end5-main

	.type	cnt,@object
	.section	.sbss,"aw",@nobits
	.globl	cnt
	.p2align	2
cnt:
	.word	0
	.size	cnt, 4

	.type	to,@object
	.bss
	.globl	to
	.p2align	2
to:
	.zero	20020
	.size	to, 20020

	.type	head,@object
	.globl	head
	.p2align	2
head:
	.zero	4020
	.size	head, 4020

	.type	next,@object
	.globl	next
	.p2align	2
next:
	.zero	20020
	.size	next, 20020

	.type	n,@object
	.section	.sbss,"aw",@nobits
	.globl	n
	.p2align	2
n:
	.word	0
	.size	n, 4

	.type	vis,@object
	.bss
	.globl	vis
	.p2align	2
vis:
	.zero	4020
	.size	vis, 4020

	.type	m,@object
	.section	.sbss,"aw",@nobits
	.globl	m
	.p2align	2
m:
	.word	0
	.size	m, 4

	.type	_sysy_start,@object
	.bss
	.globl	_sysy_start
	.p2align	3
_sysy_start:
	.zero	16
	.size	_sysy_start, 16

	.type	_sysy_end,@object
	.globl	_sysy_end
	.p2align	3
_sysy_end:
	.zero	16
	.size	_sysy_end, 16

	.type	_sysy_l1,@object
	.globl	_sysy_l1
	.p2align	2
_sysy_l1:
	.zero	4096
	.size	_sysy_l1, 4096

	.type	_sysy_l2,@object
	.globl	_sysy_l2
	.p2align	2
_sysy_l2:
	.zero	4096
	.size	_sysy_l2, 4096

	.type	_sysy_h,@object
	.globl	_sysy_h
	.p2align	2
_sysy_h:
	.zero	4096
	.size	_sysy_h, 4096

	.type	_sysy_m,@object
	.globl	_sysy_m
	.p2align	2
_sysy_m:
	.zero	4096
	.size	_sysy_m, 4096

	.type	_sysy_s,@object
	.globl	_sysy_s
	.p2align	2
_sysy_s:
	.zero	4096
	.size	_sysy_s, 4096

	.type	_sysy_us,@object
	.globl	_sysy_us
	.p2align	2
_sysy_us:
	.zero	4096
	.size	_sysy_us, 4096

	.type	_sysy_idx,@object
	.section	.sbss,"aw",@nobits
	.globl	_sysy_idx
	.p2align	2
_sysy_idx:
	.word	0
	.size	_sysy_idx, 4

	.ident	"Debian clang version 14.0.6"
	.section	".note.GNU-stack","",@progbits
	.addrsig