AtCoder Tags
Home
Category
Vote
Check
Collect
Graph
Wanted
Ranking
Login
Data-Structure
#
ID
Name
Difficulty
Solver
1
abc240_b
D. Count Distinct Integers
-819
15996
2
abc245_b
C. Mex
-523
15491
3
abc241_b
D. Pasta
-503
15670
4
abc293_b
C. Call the ID Number
-328
13262
5
abc236_c
F. Route Map
-245
14351
6
abc164_c
C. gacha
-241
20564
7
abc085_b
B. Kagami Mochi
-106
62535
8
abc295_c
F. Socks
-75
12909
9
abc314_b
D. Roulette
-34
12481
10
abc296_c
E. Gap Existence
38
12756
11
abc244_c
F. Yamanote Line Game
46
11088
12
abc261_c
E. NewFolder(1)
79
12524
13
abc291_c
F. LRUD Instructions 2
97
11460
14
abc226_b
C. Counting Arrays
107
12654
15
abc344_c
F. A+B+C
131
14829
16
abc155_c
C. Poll
189
17641
17
abc251_c
E. Poem Online Judge
205
11218
18
abc235_c
E. The Kth Time Query
210
12299
19
arc019_1
A. お買い物クライシス
219
2891
20
hhkb2020_c
C. Neq Min
349
7517
21
abc262_c
E. Min Max Pair
360
10598
22
abc325_c
F. Sensors
400
10369
23
abc243_c
E. Collision 2
409
11095
24
abc343_d
G. Diversity of Scores
422
11662
25
abl_c
C. Connect Cities
435
7096
26
abc288_c
F. Don’t be cycle
436
9626
27
abc073_c
C. Write and Erase
454
13457
28
abc287_c
F. Path Graph?
466
9538
29
abc247_d
G. Cylinder
468
10766
30
abc345_c
E. One Time Swap
469
11472
31
abc234_d
G. Prefix K-th Max
503
10799
32
abc342_c
E. Many Replacement
505
11715
33
abc237_d
G. LR insertion
544
11221
34
arc077_a
C. pushpush
552
11740
35
abc328_d
G. Take ABC
555
11109
36
code_festival_2017_qualb_b
B. Problem Set
568
5954
37
abc240_d
G. Strange Balls
570
10018
38
arc087_a
C. Good Sequence
593
16160
39
abc008_2
B. 投票
601
7820
40
arc014_2
B. あの日したしりとりの結果を僕達はまだ知らない。
606
3089
41
abc158_d
D. String Formation
610
13700
42
abc269_d
G. Do use hexagon grid
612
7824
43
abc022_b
B. Bumble Bee
621
6521
44
abc003_2
B. AtCoderトランプ
668
8499
45
abc032_b
B. 高橋君とパスワード
672
6269
46
abc333_d
G. Erase Leaves
704
8617
47
abc231_d
G. Neighbors
726
7862
48
abc177_d
D. Friends
732
12553
49
arc106_b
B. Values
732
5619
50
abc379_d
G. Home Garden
745
7757
51
abc243_d
G. Moves on Binary Tree
758
9189
52
abc212_d
G. Querying Multiset
775
10926
53
arc033_2
B. メタ構文変数
789
2895
54
abc141_d
D. Powerful Discount Tickets
823
12888
55
abc293_d
G. Tying Rope
830
7238
56
abc259_d
G. Circumferences
947
7366
57
abc230_d
G. Destroyer Takahashi
963
6660
58
abc064_d
D. Insertion
969
7441
59
abc344_e
H. Insert or Erase
973
7541
60
abc217_e
H. Sorting Queries
986
10961
61
arc114_b
B. Special Subsets
1000
3817
62
abc229_e
H. Graph Destruction
1015
6166
63
abc352_e
H. Clique Connect
1030
6569
64
abc228_d
G. Linear Probing
1035
5997
65
abc216_d
G. Pair of Balls
1039
7712
66
abc039_d
D. 画像処理高橋君
1039
3590
67
abc372_e
H. K-th Largest Connected Components
1042
6237
68
abc185_f
F. Range Xor Query
1053
7152
69
abc166_e
E. This Message Will Self-Destruct in 5s
1062
9119
70
abc075_c
C. Bridge
1067
9732
71
abc223_d
G. Restricted Permutation
1069
7409
72
abc260_d
G. Draw Your Cards
1074
6217
73
abc194_e
E. Mex Min
1088
7228
74
abc339_e
H. Smooth Subsequence
1109
5909
75
abc019_3
C. 高橋くんと魔法の箱
1129
4504
76
abc340_e
H. Mancala 2
1157
4940
77
arc032_2
B. 道路工事
1169
3181
78
abc241_d
G. Sequence Query
1177
7551
79
abc334_e
H. Christmas Color Grid 1
1195
4828
80
abc125_c
C. GCD on Blackboard
1197
16438
81
abc329_f
I. Colored Ball
1207
6249
82
abc157_d
D. Friend Suggestions
1208
7463
83
abc338_e
H. Chords
1220
5493
84
abc341_e
H. Alternating String
1223
5369
85
arc107_c
C. Shuffle Permutation
1223
3952
86
abc264_e
H. Blackout 2
1229
5085
87
indeednow_2015_qualc_3
C. 木
1246
1674
88
abc351_f
I. Double Sum
1253
4980
89
aising2019_c
C. Alternating Path
1264
3545
90
abc306_e
H. Best Performances
1268
4877
91
arc097_b
D. Equals
1270
7081
92
abl_d
D. Flat Subsequence
1283
3774
93
abc137_d
D. Summer Vacation
1313
8900
94
abc190_f
F. Shift and Inversions
1321
4986
95
abc226_e
H. Just one
1327
4704
96
abc437_f
I. Manhattan Christmas Tree 2
1332
3168
97
abc126_e
E. 1 or 2
1340
7946
98
abc214_d
G. Sum of Maximum Weights
1341
7524
99
abc120_d
D. Decayed Bridges
1355
8063
100
abc343_f
I. Second Largest Query
1370
5685
101
arc063_b
D. An Invisible Hand
1376
5114
102
abc250_e
H. Prefix Equality
1421
6091
103
abc157_e
E. Simple String Queries
1443
5596
104
abc246_e
H. Bishop 2
1476
4554
105
abc174_f
F. Range Set Query
1495
5426
106
abc170_e
E. Smart Infants
1502
5294
107
arc028_2
B. 特別賞
1507
1756
108
codefestival_2016_final_c
C. Interpretation
1525
2352
109
abc238_e
H. Range Sums
1577
5405
110
abc231_f
I. Jealous Two
1580
3203
111
code_formula_2014_qualA_c
C. 決勝進出者
1610
683
112
abc309_f
I. Box in Box
1619
3165
113
abc327_f
I. Apples
1624
3028
114
abc223_f
I. Parenthesis Checking
1641
3318
115
arc033_3
C. データ構造
1641
2315
116
code_festival_qualB_d
D. 登山家
1651
1096
117
abc040_d
D. 道路の老朽化対策について
1656
2388
118
donuts_2015_3
C. 行列のできるドーナツ屋
1661
1026
119
arc061_b
D. Snuke's Coloring
1682
4853
120
abl_e
E. Replace Digits
1706
2125
121
abc179_f
F. Simplified Reversi
1713
2994
122
apc001_d
D. Forest
1719
1805
123
arc074_b
D. 3N Numbers
1730
4909
124
agc053_b
B. Taking the middle
1755
1404
125
abc253_f
I. Operations on a Matrix
1756
2650
126
abc254_f
I. Rectangle GCD
1764
2919
127
abc279_f
I. BOX
1777
2642
128
abc332_f
I. Random Update Query
1786
2409
129
abc339_g
G. Smaller Sum
1792
2813
130
abc357_f
I. Two Sequence Queries
1793
3355
131
abc322_f
I. Vacation Query
1806
2657
132
agc005_b
B. Minimum Sum
1828
4270
133
abc186_f
F. Rook on Grid
1833
2486
134
arc069_c
E. Frequency
1835
2052
135
abc128_e
E. Roadwork
1840
3660
136
abc140_e
E. Second Sum
1873
3280
137
arc026_3
C. 蛍光灯
1930
1005
138
abc131_f
F. Must Be Rectangular!
1937
2757
139
jsc2021_f
F. Max Matrix
1954
1177
140
abc441_g
G. Takoyaki and Flip
1985
1403
141
abc127_f
F. Absolute Minima
2003
3158
142
arc039_c
C. 幼稚園児高橋君
2004
680
143
abc181_f
F. Silver Woods
2009
2107
144
arc112_d
D. Skate
2028
1720
145
abc256_f
I. Cumulative Cumulative Cumulative Sum
2067
2152
146
abc428_f
I. Pyramid Alignment
2073
1135
147
abc237_g
G. Range Sort Query
2088
1808
148
arc035_d
D. 高橋くんとマラソンコース
2173
447
149
arc076_c
E. Connected?
2180
1685
150
arc036_d
D. 偶数メートル
2227
787
151
arc088_c
E. Papple Sort
2231
1518
152
arc017_4
D. ARCたんクッキー
2244
424
153
arc047_c
C. N!÷K番目の単語
2262
462
154
arc080_c
E. Young Maids
2277
1654
155
abc177_f
F. I hate Shortest Path Problem
2291
1450
156
nikkei2019_qual_e
E. Weights on Vertices and Edges
2294
865
157
arc068_c
E. Snuke Line
2307
2043
158
abc136_f
F. Enclosed Points
2334
1571
159
abc211_f
F. Rectilinear Polygons
2350
874
160
donuts_2015_4
D. ドーナツの箱詰め
2383
199
161
mujin_pc_2016_d
D. Parenthesis Sequence
2404
306
162
arc043_c
C. 転倒距離
2409
358
163
arc008_4
D. タコヤキオイシクナール
2430
1040
164
abc255_h
Ex. Range Harvest Query
2430
878
165
arc140_d
D. One to One
2443
922
166
cf_2015_morning_hard_b
D. 立方体とペンキ
2456
159
167
arc023_4
D. GCD区間
2511
482
168
agc002_d
D. Stamp Rally
2514
3699
169
abc256_h
Ex. I like Query Problem
2531
1069
170
arc081_d
F. Flip and Rectangles
2608
1260
171
arc076_d
F. Exhausted?
2819
1408
172
arc065_c
E. Manhattan Compass
2835
794
173
arc025_4
D. コンセント
2863
83
174
abc266_h
Ex. Snuke Panic (2D)
2865
385
175
arc049_d
D. すわっぷしまーす
2988
66
176
arc054_d
D. バブルソート
3095
63
177
agc023_f
F. 01 on Tree
3148
2047
178
arc030_4
D. グラフではない
3246
141
179
agc028_e
E. High Elements
4123
527
180
typical90_aa
027. Sign Up Requests (★2)
null
10184
181
typical90_bi
061. Deck(★2)
null
7897
182
practice2_a
A. Disjoint Set Union
null
7160
183
typical90_l
012. Red Painting(★4)
null
6916
184
unionfind_a
B. Union Find
null
5705
185
practice2_b
B. Fenwick Tree
null
4876
186
typical90_ac
029. Long Bricks(★5)
null
3632
187
chokudai_S001_h
H. LIS
null
2808
188
practice2_j
J. Segment Tree
null
2579
189
tessoku_book_bf
A58. RMQ (Range Maximum Queries)
null
2453
190
chokudai_S001_j
J. 転倒数
null
2280
191
typical90_bp
068. Paired Information(★5)
null
2175
192
chokudai_S002_f
F. 種類数 α
null
1802
193
past202004_f
F. Tasking
null
1800
194
practice2_k
K. Range Affine Range Sum
null
1739
195
code_thanks_festival_2017_c
C. Factory
null
1701
196
typical90_q
017. Crossing Segments(★7)
null
1531
197
practice2_l
L. Lazy Segment Tree
null
1356
198
past202010_f
F. 構文解析
null
1050
199
past202104_e
E. Third from Front
null
831
200
nikkei2019_final_d
D. Deforestation
null
811
201
joisc2007_fiber
fiber. 光ファイバー (Fiber)
null
778
202
past202004_l
L. Lexicographically Minimum
null
768
203
joi2010ho_c
C. つらら
null
751
204
typical90_ck
089. Partitions and Inversions(★7)
null
681
205
past202005_k
K. Moving Containers
null
677
206
joisc2008_origami
origami. 折り紙 (Origami)
null
663
207
past202005_l
L. Supamarket
null
599
208
bitflyer2018_final_c
C. 部分文字列と括弧
null
496
209
past202004_n
N. Building Construction
null
488
210
dwango2017qual_d
D. ネタだけ食べたい寿司
null
463
211
past202107_l
L. Multiple Min Query
null
438
212
codefestival_2015_final_d
D. 足ゲームII
null
399
213
cpsco2019_s1_e
E. Exclusive OR Queries
null
397
214
joisc2008_typhoon
typhoon. 台風 (Typhoon)
null
390
215
joisc2011_bookshelf
bookshelf. 本棚 (Bookshelf)
null
383
216
s8pc_2_h
H. Counting 1's
null
357
217
code_festival_2018_final_e
E. Tough Journey
null
354
218
joi2009ho_e
E. 認証レベル
null
353
219
past202012_n
N. Travel Agency
null
352
220
iroha2019_day3_e
E. 「く」
null
341
221
joisc2016_d
D. 雇用計画
null
330
222
joig2023_e
E. 運河 (Canal)
null
322
223
indeednow_2015_finalb_e
E. Line up!
null
318
224
joi2011ho5
E. 微生物実験 (Bug Party)
null
299
225
past202112_m
M. Deadnames
null
277
226
nikkei2019_2_final_c
C. Largest N
null
276
227
joisc2012_fortune_telling
fortune_telling. 占い
null
264
228
cpsco2019_s1_f
F. Fruits in Season
null
259
229
ddcc2019_final_d
D. DISCO!
null
241
230
soundhound2018_summer_final_d
D. Propagating Edges
null
232
231
joisc2019_a
A. 試験 (Examination)
null
224
232
past202107_n
N. Monochrome Design
null
214
233
tkppc4_1_k
K. 天使と宿題
null
213
234
joisc2019_d
D. ふたつのアンテナ (Two Antennas)
null
210
235
tkppc4_2_e
E. 引きこもり
null
202
236
joi2013ho5
5. バブルソート (Bubble Sort)
null
200
237
joisc2019_j
J. ケーキの貼り合わせ (Cake 3)
null
183
238
birthday0410_x
X. この問題はほんとうにひどい問題であるため,できれば先に他の問題のほうをお楽しみいただければと思っておりまして,ですので他の問題を通し終えて暇になり,かつその暇を
null
171
239
kupc2014_c
C. 占い
null
159
240
pakencamp_2019_day3_e
E. 大きなクリスマスプレゼント
null
159
241
joi2015ho_e
E. 城壁 (Rampart)
null
150
242
joi2016ho_e
E. 断層 (Geologic Fault)
null
150
243
soundhound2018_summer_final_e
E. Hash Swapping
null
150
244
wupc_07
G. だるま落とし
null
135
245
k4pc_c
C. 山登り(Mountain Climbing)
null
135
246
jsc2019_final_c
C. Maximize Minimum
null
132
247
joisc2013_construction
1. 建設事業 (Construction Project)
null
128
248
tkppc4_1_n
N. multiple
null
123
249
tenka1_2016_qualB_d
D. 天下一数列にクエリを投げます
null
117
250
joisc2019_i
I. 時をかけるビ太郎 (Bitaro, who Leaps through Time)
null
104
251
nikkei2019_2_final_e
E. Notorious B.I.T.
null
103
252
joisc2012_copypaste
copypaste. コピー&ペースト
null
91
253
jag2018summer_day2_d
D. Knapsack And Queries
null
90
254
yahoo_procon2019_final_d
D. Dangerous Hopscotch
null
86
255
joisc2013_spaceships
3. 宇宙船 (Spaceships)
null
85
256
joisc2009_starry_sky
starry_sky. 星空 (Starry Sky)
null
77
257
jsc2019_final_e
E. Nearest String
null
74
258
iroha2019_day2_j
J. ライ麦畑で待ちながら
null
74
259
joisc2011_apples
apples. リンゴの出荷 (Apples)
null
72
260
yahoo_procon2019_final_c
C. Checkered Stamps
null
70
261
gigacode_2019_f
F. クローゼットの配置
null
60
262
icpc2015autumn_h
H. Donut Decoration
null
57
263
wupc2019_i
I. Ramen
null
51
264
pakencamp_2019_day3_f
F. クリスマス飾り2
null
51
265
pakencamp_2019_day3_g
G. プレゼント配り2
null
13