icpc2015summer_day4_h
|
H. Laser Cutter
|
null
|
16
|
ijpc_variance
|
D. 分散 (Variance)
|
null
|
16
|
joi2023ho_e
|
E. 現代的な機械 (Modern Machine)
|
null
|
16
|
joigsp2023_c
|
C. 議会 (Council)
|
null
|
16
|
joigsp2023_g
|
G. ビ太郎の旅 (Bitaro's Travel)
|
null
|
16
|
joigsp2025_a
|
A. ポーカー (Poker)
|
null
|
16
|
joiopen2022_c
|
C. 通学路 (School Road)
|
null
|
16
|
joisc2022_g
|
G. 壊れた機器 2 (Broken Device 2)
|
null
|
16
|
joisc2022_i
|
I. 蟻と角砂糖 (Ants and Sugar)
|
null
|
16
|
joisp2023_b
|
B. JOI 国のお祭り事情 2 (Festivals in JOI Kingdom 2)
|
null
|
16
|
joisp2023_f
|
F. 水ようかん 2 (Mizuyokan 2)
|
null
|
16
|
joisp2024_i
|
I. 塔 (Tower)
|
null
|
16
|
jsc2022_final_f
|
F. Share the Recipe
|
null
|
16
|
kupc2017_i
|
I. Activate It!!
|
null
|
16
|
pakencamp_2023_day3_e
|
E. MEX
|
null
|
16
|
pakencamp_2024_day3_2_g
|
G. Bracket Sequence
|
null
|
16
|
tkppc2015_j
|
J. 仕事をしよう! (Working!)
|
null
|
16
|
tkppc4_2_k
|
K. 時をかけるTMJN
|
null
|
16
|
tkppc6_2_i
|
I. 旅人計画問題2
|
null
|
16
|
ttpc2023_o
|
O. 2D Parentheses
|
null
|
16
|
utpc2014_l
|
L. セミ時雨ハッシュ
|
null
|
16
|
utpc2021_h
|
H. Quantum Multiplication
|
null
|
16
|
utpc2022_d
|
D. Balance
|
null
|
16
|
xmascon16_f
|
F. Fifty-Fifty?
|
null
|
16
|
xmascon24_e
|
E. Embed the Tree
|
null
|
16
|
code_festival_2015_okinawa_g
|
G. Gorgeous Vases
|
null
|
15
|
code_festival_2015_okinawa_i
|
I. Implementation Addict
|
null
|
15
|
ijpc_animals
|
A. むこのどうぶつたち と しんりんのはかい (Innocent Animals and Destruction of Forests)
|
null
|
15
|
kupc2018_j
|
J. ニム?
|
null
|
15
|
kupc2024_o
|
O. Ordinary Blossom Algorithm
|
null
|
15
|
nadafes2022_day2_j
|
J. Sum Equality
|
null
|
15
|
pakencamp_2024_day1_o
|
O. Triangle
|
null
|
15
|
pakencamp_2024_day3_2_l
|
L. k^k
|
null
|
15
|
s8pc_6_f
|
F. Random Shuffles
|
null
|
15
|
summerfes2018_f
|
F. 冪冪ゲーム (Powerful Fever!)
|
null
|
15
|
tkppc4_2_j
|
J. ドライブ旅行
|
null
|
15
|
ttpc2022_j
|
J. Jewel Game
|
null
|
15
|
ttpc2024_1_i
|
I. Near Pair
|
null
|
15
|
tupc2022_m
|
M. Fractal Tree Isomorphism
|
null
|
15
|
tupc2023_b
|
B. 012 Grid
|
null
|
15
|
utpc2021_j
|
J. Do you like Interval Scheduling Problems?
|
null
|
15
|
xmascon16_h
|
H. High-powered Illuminations
|
null
|
15
|
xmascon23_b
|
B. Beautiful Rotation
|
null
|
15
|
agc067_e
|
E. Biconnected Graph
|
null
|
14
|
icpc2013summer_day2_e
|
E. Pattern Language
|
null
|
14
|
icpc2013summer_day4_e
|
E. Optimal alpha beta pruning
|
null
|
14
|
icpc2015summer_day2_j
|
J. 連結
|
null
|
14
|
joiopen2023_c
|
C. 庭園 (Garden)
|
null
|
14
|
kupc2013_j
|
J. タイル置き
|
null
|
14
|
kupc2024_k
|
K. Kyoto the Capital
|
null
|
14
|
tkppc4_1_o
|
O. Height Changer
|
null
|
14
|
utpc2024_h
|
H. Hidden Sequence Rotation
|
null
|
14
|
xmascon17_i
|
I. SAT Puzzle
|
null
|
14
|
code_festival_china_g
|
G. Ammunition Dumps
|
null
|
13
|
codefestival_2015_ex_b
|
B. TRAX
|
null
|
13
|
icpc2015spring_j
|
J. New Game AI
|
null
|
13
|
icpc2015summer_day2_i
|
I. ツインリバース
|
null
|
13
|
icpc2015summer_day3_f
|
F. Figures Of Simple Sense
|
null
|
13
|
iroha2019_day4_j
|
J. もう、諦めない
|
null
|
13
|
joiopen2023_a
|
A. 古代の機械 2 (Ancient Machine 2)
|
null
|
13
|
joisp2025_l
|
L. ういろう (Uiro)
|
null
|
13
|
maximum_2013_i
|
I. 実績: ヘビマスター
|
null
|
13
|
nupc2024_f
|
F. Labeled Tree Distance
|
null
|
13
|
otemae2019_i
|
I. ピーターランドの道路整備 (Road Development in Peterland)
|
null
|
13
|
pakencamp_2024_day3_1_a
|
A. Many Many Shiomusubi
|
null
|
13
|
pakencamp_2024_day3_2_d
|
D. Equation
|
null
|
13
|
tenka1_2014_final_e
|
E. 田端でバタバタ
|
null
|
13
|
tupc2022_n
|
N. Matrix Game
|
null
|
13
|
tupc2023_d
|
D. Shift Puzzle
|
null
|
13
|
utpc2011_6
|
F. 全域木
|
null
|
13
|
utpc2013_11
|
K. 辞書順最小頂点被覆
|
null
|
13
|
utpc2021_n
|
N. Tree Swapping
|
null
|
13
|
xmascon17_h
|
H. Ango
|
null
|
13
|
xmascon18_e
|
E. Exclusive☆OR
|
null
|
13
|
xmascon23_c
|
C. Clamp Clamp Clamp
|
null
|
13
|
agc070_e
|
E. Remove 2K+1 Edges
|
null
|
12
|
autumn_fest_10
|
J. Ninja of Train
|
null
|
12
|
ddcc2020_final_d
|
D. Pars/ey
|
null
|
12
|
icpc2013summer_day4_h
|
H. Gravity Point
|
null
|
12
|
icpc2014spring_i
|
I. Tokyo Olympics Center
|
null
|
12
|
joiopen2021_a
|
A. 交配 (Crossing)
|
null
|
12
|
joiopen2024_a
|
A. 試験 2 (Examination 2)
|
null
|
12
|
joisp2023_k
|
K. 警備員 (Security Guard)
|
null
|
12
|
joisp2025_d
|
D. 救急車 (Ambulance)
|
null
|
12
|
jsc2024_final_d
|
D. Max of Sum of Prefix Min
|
null
|
12
|
jsc2024_final_e
|
E. Tree and Back Edges
|
null
|
12
|
kupc2015_i
|
I. ハウスシャッフル
|
null
|
12
|
kupc2020_i
|
I. Coloring Paths
|
null
|
12
|
nyc2015_13
|
M. お絵かき
|
null
|
12
|
pakencamp_2022_day2_g
|
G. Worst Town
|
null
|
12
|
pakencamp_2023_day3_i
|
I. TREE
|
null
|
12
|
pakencamp_2024_day3_1_d
|
D. Convex
|
null
|
12
|
s8pc_4_f
|
F. Find the Route!
|
null
|
12
|
soundhound2018_e
|
E. カッコ列
|
null
|
12
|
tenka1_2012_11
|
C. 席替え
|
null
|
12
|
tkppc6_2_j
|
J. Common Divisors Shortest Path Queries
|
null
|
12
|
ttpc2022_o
|
O. Parallel Processing
|
null
|
12
|
ttpc2024_1_k
|
K. Sum is One
|
null
|
12
|
tupc2023_h
|
H. Count Pseudo-Palindromes
|
null
|
12
|
tupc2024_o
|
O. Twin Contests
|
null
|
12
|
utpc2021_k
|
K. Divide Polynomials by #Subset Sums
|
null
|
12
|
xmascon17_f
|
F. Tree Disassembly
|
null
|
12
|
xmascon23_g
|
G. Group Structure
|
null
|
12
|
xmascon24_d
|
D. Divisibility Power
|
null
|
12
|
dwango2015_finals_4
|
D. コインの取り合い
|
null
|
11
|
gw2015_j
|
J. ピラミッド - 2D編
|
null
|
11
|
icpc2013summer_warmingUp_e
|
E. Magic Doors
|
null
|
11
|
icpc2014summer_day2_e
|
E. Cellular Automaton
|
null
|
11
|
icpc2014summer_day2_h
|
H. Distance Sum
|
null
|
11
|
icpc2015summer_day4_c
|
C. Kuru Kuru Sushi
|
null
|
11
|
joi2024ho_e
|
E. 道路網の整備 2 (Road Service 2)
|
null
|
11
|
joi2025ho_e
|
E. 郵便局 (Post Office)
|
null
|
11
|
joigsp2025_b
|
B. 雪玉 2 (Snowballs 2)
|
null
|
11
|
joisc2022_e
|
E. 飛行機旅行 (Flights)
|
null
|
11
|
k4pc_g
|
G. 42
|
null
|
11
|
kupc2016_j
|
J. Coloring
|
null
|
11
|
nadafes2022_day2_o
|
O. Simple Inversion Problem
|
null
|
11
|
nikkei2019_final_h
|
H. Homework Scheduling
|
null
|
11
|
npcapc_2024_f
|
F. Train Seats
|
null
|
11
|
npcapc_2024_g
|
G. Many Common Segment Problems
|
null
|
11
|
pakencamp_2021_day3_f
|
F. ワープ
|
null
|
11
|
pakencamp_2024_day2_b
|
B. Biscuit and Ants
|
null
|
11
|
tenka1_2015_final_c
|
C. 天下一不正
|
null
|
11
|
tkppc2016_h
|
H. デバッグ(Debug)
|
null
|
11
|
ttpc2024_1_f
|
F. Origami Warp
|
null
|
11
|
tupc2023_o
|
O. 0100 Insertion
|
null
|
11
|
utpc2020_k
|
K. Special Chopsticks
|
null
|
11
|
xmascon21_h
|
H. Homework from Zhejiang
|
null
|
11
|
xmascon24_g
|
G. Game Pack
|
null
|
11
|
1202Contest_g
|
G. Net of Net
|
null
|
10
|
apio_mansion
|
C. Mansion
|
null
|
10
|
birthday0410_d
|
D. 先生と遺書
|
null
|
10
|
bitflyer2018_final_g
|
G. Following Permutations
|
null
|
10
|
bitflyer2018_final_h
|
H. 三角形と格子点
|
null
|
10
|
code_festival_2015_okinawa_j
|
J. Jungle
|
null
|
10
|
gw2015_g
|
G. ピラミッド - 球編
|
null
|
10
|
icpc2012autumn_g
|
G. Ancient Commemorative Monolith
|
null
|
10
|
icpc2013spring_c
|
C. Iyasugigappa
|
null
|
10
|
icpc2014summer_day4_i
|
I. 首都
|
null
|
10
|
joisc2021_g
|
F. 買い物 (Shopping)
|
null
|
10
|
jsc2023_final_f
|
F. Adjacent Binomial Coefficients
|
null
|
10
|
jsc2023_final_g
|
G. Fusion
|
null
|
10
|
jsc2024_final_c
|
C. Subsequence Reversal
|
null
|
10
|
nupc2024_q
|
Q. Stablest Permutation
|
null
|
10
|
oupc2023_day1_p
|
P. Score for Cutting Graph
|
null
|
10
|
pakencamp_2023_day1_o
|
O. Longest Bracket Subsequence
|
null
|
10
|
pakencamp_2024_day2_g
|
G. Greedy Robot
|
null
|
10
|
s8pc_4_g
|
G. Get the Salary of Atcoder
|
null
|
10
|
tenka1_2015_final_g
|
G. 天下一ゲーム
|
null
|
10
|
tkppc6_1_o
|
O. ペンギンくんの仕事計画
|
null
|
10
|
ttpc2023_n
|
N. Bracket Sequestion
|
null
|
10
|
tupc2022_j
|
J. AMidA
|
null
|
10
|
utpc2011_9
|
I. ビット演算
|
null
|
10
|
utpc2024_i
|
I. Insert AB or BA
|
null
|
10
|
yuha_c83_03
|
C. Dendrogram - 樹形図
|
null
|
10
|
autumn_fest_11
|
K. Batch Style Mastermind
|
null
|
9
|
code_festival_china_j
|
J. XORAND
|
null
|
9
|
icpc2013summer_day2_c
|
C. Apples
|
null
|
9
|
icpc2013summer_warmingUp_g
|
G. Moving Points
|
null
|
9
|
icpc2013summer_warmingUp_h
|
H. Shuffling Machine
|
null
|
9
|
ijpc2015_d
|
C. 格子点
|
null
|
9
|
ijpc2015_f
|
C. ガソリンスタンド
|
null
|
9
|
joiopen2021_b
|
B. 決算報告 (Financial Report)
|
null
|
9
|
joisc2018_b
|
B. 柵 (Fences)
|
null
|
9
|
nupc2024_l
|
L. Move It 2
|
null
|
9
|
pakencamp_2023_day3_a
|
A. ABC
|
null
|
9
|
pakencamp_2024_day2_c
|
C. Can Make Palindrome
|
null
|
9
|
tenka1_2013_final_e
|
E. 天下一折れ線遊戯
|
null
|
9
|
ttpc2022_n
|
N. Expanded Hull
|
null
|
9
|
ttpc2023_i
|
I. T Tile Placement Counting
|
null
|
9
|
ttpc2024_1_m
|
M. Cartesian Trees
|
null
|
9
|
ttpc2024_2_k
|
K. 01 Abs Sum
|
null
|
9
|
tupc2024_d
|
D. Swap Counter
|
null
|
9
|
tupc2024_n
|
N. Palindromic Path
|
null
|
9
|
utpc2023_m
|
M. Majority and Permutation
|
null
|
9
|
xmascon16_g
|
G. Guide Passengers
|
null
|
9
|
xmascon18_i
|
I. Interesting Equation
|
null
|
9
|
ajo2024_final_d
|
D. Shooting the Stars
|
null
|
8
|
code_festival_2018_final_j
|
J. Complicated Operations
|
null
|
8
|
dwango2016final_d
|
D. 木
|
null
|
8
|
icpc2013summer_warmingUp_i
|
I. Topology
|
null
|
8
|
icpc2015summer_day3_d
|
D. Degree Of Number's Eccentricity
|
null
|
8
|
icpc2015summer_day4_e
|
E. Enclose Points
|
null
|
8
|
ijpc2015_g
|
D. IOI
|
null
|
8
|
ijpc_ghost
|
B. やさしいおばけ の たんじょうびかい (Friendly Ghost's Birthday Party)
|
null
|
8
|
joi2025_yo2_e
|
E. 衝突 (Collision)
|
null
|
8
|
joigsp2023_h
|
H. 最後の戦い (The Last Battle)
|
null
|
8
|
joisp2024_e
|
E. 三色灯 (Tricolor Lights)
|
null
|
8
|
joisp2025_j
|
J. 電子回路 2 (Circuit 2)
|
null
|
8
|
nyc2015_11
|
K. チーム戦
|
null
|
8
|
pakencamp_2023_day2_h
|
H. Two PCities
|
null
|
8
|
pakencamp_2024_day3_1_f
|
F. RGB Triangle
|
null
|
8
|
tkppc2016_g
|
G. 貢物(Tribute)
|
null
|
8
|
tkppc6_2_l
|
L. Go To
|
null
|
8
|
tkppc6_2_m
|
M. 山分け
|
null
|
8
|
utpc2011_10
|
J. 乱択平衡分二分探索木
|
null
|
8
|
utpc2021_d
|
D. Chain Graph Pair
|
null
|
8
|
xmascon16_c
|
C. Cutting Swiss Roll
|
null
|
8
|
xmascontest2015_e
|
E. Esolang?
|
null
|
8
|
codefestival_2015_final_j
|
J. N個のバケツ
|
null
|
7
|
discovery_2016_final_e
|
E. アメージングな二分探索木は、きみが作る!
|
null
|
7
|
icpc2015summer_day2_k
|
K. Leapfrog
|
null
|
7
|
ijpc2015_c
|
B. しりとり木
|
null
|
7
|
joigsp2024_g
|
G. 島巡り (Island Hopping)
|
null
|
7
|
joigsp2024_h
|
H. 卓球 (Table Tennis)
|
null
|
7
|
joigsp2025_e
|
E. 魔法陣 (Magic Circles)
|
null
|
7
|
jsc2022_final_g
|
G. Bipartite Partition
|
null
|
7
|
kupc2014_l
|
L. べき乗数
|
null
|
7
|
kupc2020_k
|
K. Deleting Edges
|
null
|
7
|
maximum_cup_2023_g
|
G. イノシシ対策
|
null
|
7
|
nadafes2022_day1_n
|
N. Range Flip
|
null
|
7
|
nadafes2022_day2_p
|
P. Turn it Over
|
null
|
7
|
pakencamp_2021_day2_p
|
P. A^k=k
|
null
|
7
|
pakencamp_2022_day3_g
|
G. 4x4
|
null
|
7
|
pakencamp_2023_day2_d
|
D. Many Dungeons
|
null
|
7
|
pakencamp_2023_day2_e
|
E. Is Either 1?
|
null
|
7
|
summerfes2018_i
|
I. うっかり者のニム (Careless Nim)
|
null
|
7
|
tkppc2015_i
|
I. 重要証拠 (Important evidence)
|
null
|
7
|
tkppc3_i
|
I. 王国と M 種類の店
|
null
|
7
|
tricky_4
|
D. 高橋くんレーシング
|
null
|
7
|
ttpc2024_1_d
|
D. A xor B plus C
|
null
|
7
|
tupc2023_m
|
M. Vivid Colors
|
null
|
7
|
utpc2021_f
|
F. Red and Blue Medals
|
null
|
7
|
utpc2024_g
|
G. Guarding Plan
|
null
|
7
|
yuha_c83_02
|
B. Sun and Moon - 秘密結社太陽と月の団
|
null
|
7
|
agc071_e
|
E. Procrastinate Counter
|
null
|
6
|
ijpc2015_i
|
E. 自動MOD取り機
|
null
|
6
|
ijpc2015_j
|
E. Верный
|
null
|
6
|
ijpc_animals2
|
A. かえってきたどうぶつたち と しんりんのさいせい (Return of Animals and Regeneration of Forests)
|
null
|
6
|
ijpc_training
|
C. 魔法の訓練 (Magical Training)
|
null
|
6
|
iroha2019_day4_g
|
G. 真実の魔法陣
|
null
|
6
|
joigsp2023_d
|
D. ベルトコンベア (Belt Conveyor)
|
null
|
6
|
joigsp2025_f
|
F. 日本浮上 (Japan Emerges)
|
null
|
6
|
joigsp2025_i
|
I. ティーパーティー (Tea Party)
|
null
|
6
|
joiopen2022_b
|
B. キリン (Giraffes)
|
null
|
6
|
joisp2025_b
|
B. 占い 3 (Fortune Telling 3)
|
null
|
6
|
kupc2015_l
|
L. コインゲーム
|
null
|
6
|
kupc2021_l
|
L. Tag Game
|
null
|
6
|
kupc2024_f
|
F. Find x
|
null
|
6
|
maximum_2013_d
|
D. 絆よりも恋人が大事
|
null
|
6
|
nadafes2022_day2_m
|
M. Swapping Brackets
|
null
|
6
|
nadafes2022_day2_n
|
N. All Crosses
|
null
|
6
|
npcapc_2024_d
|
D. Two Box
|
null
|
6
|
nupc2024_m
|
M. NUPaCking
|
null
|
6
|
pakencamp_2024_day1_q
|
Q. Large Heap 2
|
null
|
6
|
pakencamp_2024_day3_1_e
|
E. Teamwork
|
null
|
6
|
tenka1_2012_final_e
|
E. GO!GO! サイコロ線路
|
null
|
6
|
tenka1_2015_final_d
|
D. ほぼピタゴラスの三角形
|
null
|
6
|
tkppc6_1_p
|
P. Game on Colored Tree
|
null
|
6
|
ttpc2023_d
|
D. Spacecraft
|
null
|
6
|
tupc2024_k
|
K. Shuffle and Max Bracket Score
|
null
|
6
|
utpc2022_j
|
J. Divide and Sort
|
null
|
6
|
xmascon20_e
|
E. Eternal Dice
|
null
|
6
|
xmascon20_i
|
I. Implement Me
|
null
|
6
|
xmascon23_e
|
E. Exponent of PI
|
null
|
6
|
yuha_c83_01
|
A. Revenge of Voronoi - ボロノイの逆襲
|
null
|
6
|
yuha_c83_04
|
D. Psychic Accelerator - とある超能力の物体加速器
|
null
|
6
|
icpc2012autumn_j
|
I. Hashigo Sama
|
null
|
5
|
icpc2013summer_day4_j
|
J. Rotation Game
|
null
|
5
|
icpc2014spring_g
|
G. Proportional Representation
|
null
|
5
|
icpc2014summer_day4_j
|
J. Vongress
|
null
|
5
|
icpc2015autumn_i
|
I. Shortest Bridge
|
null
|
5
|
ijpc2015_h
|
D. 鉄道会社
|
null
|
5
|
ijpc_porter
|
C. ポーター・テレ・ポーター (Porter-Tele-Porter)
|
null
|
5
|
joigsp2024_c
|
C. ボードゲーム (Board Game)
|
null
|
5
|
joigsp2025_g
|
G. マルチコミュニケーション (Multi Communication)
|
null
|
5
|
joigsp2025_j
|
J. 電波塔 (Radio Towers)
|
null
|
5
|
joisp2025_a
|
A. 展覧会 3 (Exhibition 3)
|
null
|
5
|
joisp2025_g
|
G. 勇者ビ太郎 3 (Bitaro the Brave 3)
|
null
|
5
|
kupc2018_l
|
L. 凸包が映し出される平面
|
null
|
5
|
kupc2024_l
|
L. Long Street
|
null
|
5
|
npcapc_2024_n
|
N. Product Matrix
|
null
|
5
|
pakencamp_2022_day3_k
|
K. Inner Product
|
null
|
5
|
summerfes2018_h
|
H. 圧縮おみくじ (Compressed Omikuji)
|
null
|
5
|
tkppc2015_f
|
F. 吹奏楽部 (Brass Band)
|
null
|
5
|
ttpc2024_1_g
|
G. Diverge and Converge
|
null
|
5
|
tupc2022_l
|
L. Inversion High and Low
|
null
|
5
|
tupc2022_o
|
O. Equidistant Binary String
|
null
|
5
|
tupc2024_c
|
C. 2-Power Rush
|
null
|
5
|
tupc2024_i
|
I. Small Steps
|
null
|
5
|
utpc2023_f
|
F. Flip or Not
|
null
|
5
|
xmascon18_d
|
D. Devilish Dice
|
null
|
5
|
xmascon21_i
|
I. Interactive Moles
|
null
|
5
|
icpc2013summer_warmingUp_b
|
B. Cans of Toys
|
null
|
4
|
icpc2014summer_day4_g
|
G. リサイクル
|
null
|
4
|
joiopen2024_b
|
B. 熱中症 (Heat Stroke)
|
null
|
4
|
joisp2024_g
|
G. カード収集 (Card Collection)
|
null
|
4
|
joisp2025_f
|
F. 宇宙怪盗 (Space Thief)
|
null
|
4
|
kupc2015_k
|
K. SOULBLOCK
|
null
|
4
|
kupc2017_f
|
F. 575
|
null
|
4
|
kupc2017_l
|
L. Coin Game 2017
|
null
|
4
|
nadafes2022_day1_p
|
P. Sum of Max of Difference
|
null
|
4
|
npcapc_2024_j
|
J. Again Permutation Problem
|
null
|
4
|
oupc2023_day1_e
|
E. Han Burger 2
|
null
|
4
|
pakencamp_2021_day3_g
|
G. 旅人計画問題3
|
null
|
4
|
pakencamp_2024_day1_p
|
P. Bombard
|
null
|
4
|
pakencamp_2024_day3_1_g
|
G. Bracket Sequence Queries
|
null
|
4
|
tenka1_2013_final_c
|
C. 天下一ジグソーパズルみたび
|
null
|
4
|
tkppc2015_h
|
H. 私、木になります (I become a tree)
|
null
|
4
|
tricky_5
|
E. 雲と影
|
null
|
4
|