AtCoder Tags
Home
Category
Vote
Check
Collect
Graph
Wanted
Ranking
Login
Technique
#
ID
Name
Difficulty
Solver
1
abc171_b
B. Mix Juice
-765
20538
2
abc317_b
B. MissingNo.
-764
13948
3
abc336_b
B. CTZ
-683
14162
4
abc242_b
B. Minimize Ordering
-478
14950
5
abc311_b
B. Vacation Together
-312
14398
6
abc256_b
B. Batters
-227
11380
7
abc328_b
B. 11/11
-213
12824
8
abc165_b
B. 1%
-200
20169
9
abc257_b
B. 1D Pawn
-194
10636
10
abc207_b
B. Hydrate
-161
13334
11
abc318_b
B. Overlapping sheets
-152
15358
12
abc220_c
C. Long Sequence
-86
15528
13
abc294_c
C. Merge Sequences
-59
11121
14
abc141_c
C. Attack Survival
-35
16035
15
abc134_c
C. Exception Handling
-31
15912
16
abc216_c
C. Many Balls
-6
13436
17
abc247_c
C. 1 2 1 3 1 2 1
5
13753
18
tenka1_2012_qualA_1
A. 算盤の書
8
2087
19
abc203_c
C. Friends and Travel costs
54
12829
20
abc215_c
C. One More aab aba baa
76
13156
21
abc273_b
B. Broken Rounding
77
9770
22
abc202_c
C. Made Up
130
14204
23
tenka1_2013_qualB_a
A. 天下一人力比較
147
1782
24
abc228_c
C. Final Day
149
10210
25
arc124_a
A. LR Constraints
149
3933
26
arc120_a
A. Max Add
183
4419
27
abc127_c
C. Prison
194
16577
28
abc219_c
C. Neo-lexicographic Ordering
227
10422
29
abc166_c
C. Peaks
233
17076
30
abc279_c
C. RANDOM
246
9231
31
abc151_c
C. Welcome to AtCoder
327
14424
32
abc246_c
C. Coupon
330
11296
33
ddcc2020_qual_b
B. Iron Bar Cutting
350
6249
34
abc210_c
C. Colorful Candies
357
11477
35
abc222_c
C. Swiss-System Tournament
366
9133
36
abc357_c
C. Sierpinski carpet
370
11043
37
abc194_c
C. Squared Error
386
12385
38
abc186_d
D. Sum of difference
436
12246
39
arc126_a
A. Make 10
465
4119
40
abc213_c
C. Reorder Cards
481
11604
41
abc154_d
D. Dice in Line
485
13378
42
arc104_b
B. DNA Sequence
487
7651
43
abc171_d
D. Replacing
498
14100
44
abc267_c
C. Index × A(Continuous ver.)
524
9430
45
abc256_d
D. Union of Interval
546
8454
46
abc278_d
D. All Assign Point Add
559
8376
47
arc130_b
B. Colorful Lines
576
3267
48
abc275_d
D. Yet Another Recursive Function
606
8748
49
arc107_b
B. Quadruple
633
5456
50
arc098_a
C. Attention
635
12218
51
abc183_d
D. Water Heater
662
10046
52
abc122_c
C. GeT AC
700
13063
53
abc182_d
D. Wandering
701
9380
54
abc233_d
D. Count Interval
726
8614
55
abc229_d
D. Longest X
745
8147
56
abc167_d
D. Teleporter
754
13103
57
abc337_d
D. Cheating Gomoku Narabe
760
7525
58
abc225_d
D. Play Train
778
7531
59
arc013_2
B. 引越しできるかな?
788
2582
60
abc294_e
E. 2xN Grid
792
5952
61
abc136_d
D. Gathering Children
794
10756
62
arc009_2
B. おとぎの国の高橋君
830
2614
63
abc221_d
D. Online games
832
8118
64
abc353_d
D. Another Sigma Problem
844
8211
65
arc042_a
A. 掲示板
861
3051
66
abc130_d
D. Enough Array
865
11555
67
abc113_c
C. ID
878
9897
68
abc252_d
D. Distinct Trio
884
7827
69
abc037_c
C. 総和
915
6474
70
abc172_c
C. Tsundoku
930
12174
71
abc188_d
D. Snuke Prime
933
8562
72
abc295_d
D. Three Days Ago
939
8136
73
arc035_b
B. アットコーダー王国のコンテスト事情
949
2433
74
abc036_c
C. 座圧
956
5688
75
abc163_d
D. Sum of Large Numbers
960
10416
76
agc002_b
B. Box and Ball
981
6019
77
abc386_d
D. Diagonal Separation
996
5352
78
abc278_e
E. Grid Filling
996
5198
79
agc011_b
B. Colorful Creatures
998
4920
80
abc334_c
C. Socks 2
1030
6438
81
abc367_d
D. Pedometer
1037
6874
82
agc023_a
A. Zero-Sum Ranges
1038
6827
83
abc035_c
C. オセロ
1096
5289
84
nikkei2019_qual_c
C. Different Strokes
1136
4542
85
abc246_d
D. 2-variable Function
1148
7650
86
arc109_c
C. Large RPS Tournament
1157
3473
87
abc297_e
E. Kth Takoyaki Set
1176
6063
88
arc026_2
B. 完全数
1199
3294
89
abc089_d
D. Practical Skill Test
1220
5088
90
abc338_d
D. Island Tour
1234
4843
91
abc032_c
C. 列
1244
5890
92
abc241_e
E. Putting Candies
1248
5068
93
abc247_e
E. Max Min
1256
5326
94
tokiomarine2020_c
C. Lamps
1274
3920
95
abc014_3
C. AtColor
1276
6106
96
abc242_d
D. ABC Transform
1286
5330
97
tenka1_2013_qualB_b
B. 天下一後入れ先出しデータ構造
1286
1234
98
arc048_b
B. AtCoderでじゃんけんを
1290
1854
99
abc106_d
D. AtCoder Express 2
1319
6073
100
abc281_e
E. Least Elements
1334
4591
101
arc119_c
C. ARC Wrecker 2
1354
2796
102
abc187_e
E. Through Path
1358
5233
103
arc025_2
B. チョコレート
1369
1742
104
abc367_e
E. Permute K times
1370
4931
105
arc126_b
B. Cross-free Matching
1370
2565
106
abc037_d
D. 経路
1377
2948
107
abc080_d
D. Recording
1383
4110
108
abc279_e
E. Cheating Amidakuji
1390
3458
109
abc153_f
F. Silver Fox vs Monster
1393
5164
110
arc022_2
B. 細長いお菓子
1395
2942
111
arc098_b
D. Xor Sum 2
1404
6998
112
abc184_f
F. Programming Contest
1423
5777
113
abc272_e
E. Add and Mex
1434
4178
114
abc005_4
D. おいしいたこ焼きの焼き方
1447
3326
115
abc105_d
D. Candy Distribution
1458
5224
116
arc120_c
C. Swaps 2
1478
2474
117
abc123_d
D. Cake 123
1489
6177
118
arc045_b
B. ドキドキデート大作戦高橋君
1526
1791
119
abc018_3
C. 菱型カウント
1553
2375
120
abc001_4
D. 感雨時刻の整理
1565
3726
121
tenka1_2014_qualA_b
B. かぶりん!
1576
797
122
abc183_f
F. Confluence
1586
4038
123
abc440_e
E. Cookies
1603
2561
124
abc017_3
C. ハイスコア
1607
2958
125
arc017_3
C. 無駄なものが嫌いな人
1625
2028
126
abc351_e
E. Jump Distance Sum
1627
3535
127
abc271_f
F. XOR on Grid Path
1669
3328
128
abc377_e
E. Permute K times 2
1685
2770
129
abc335_f
F. Hop Sugoroku
1690
3019
130
abc204_e
E. Rush Hour 2
1710
2878
131
abc018_4
D. バレンタインデー
1711
2069
132
abc339_f
F. Product Equality
1716
3138
133
arc138_c
C. Rotate and Play Game
1728
1802
134
abc013_4
D. 阿弥陀
1730
1877
135
arc071_c
E. TrBBnsformBBtion
1739
2306
136
abc203_e
E. White Pawn
1750
2597
137
abc023_c
C. 収集王
1752
2439
138
abc293_g
G. Triple Index
1753
2813
139
abc146_e
E. Rem of Sum is Num
1762
3581
140
abc249_f
F. Ignore Operations
1786
2486
141
arc089_b
D. Checker
1797
2839
142
agc008_b
B. Contiguous Repainting
1822
2853
143
abc242_g
G. Range Pairing Query
1828
2726
144
agc026_c
C. String Coloring
1836
2365
145
abc188_f
F. +1-1x2
1865
3195
146
abc326_f
F. Robot Rotation
1870
2164
147
agc010_b
B. Boxes
1892
2615
148
arc014_4
D. grepマスター
1904
681
149
arc136_d
D. Without Carry
1908
1807
150
abc336_f
F. Rotation Puzzle
2018
1411
151
arc101_b
D. Median of Medians
2073
2996
152
arc077_c
E. guruguru
2117
1784
153
abc342_f
F. Black Jack
2141
1401
154
arc020_3
C. A mod B Problem
2141
719
155
arc060_c
E. Tak and Hotels
2154
2500
156
tokiomarine2020_d
D. Knapsack Queries on a tree
2158
1303
157
arc003_4
D. シャッフル席替え
2194
544
158
dwango2016qual_d
D. 庭園
2233
261
159
abc238_g
G. Cubic?
2254
1650
160
abc143_f
F. Distinct Numbers
2277
1649
161
abc212_f
F. Greedy Takahashi
2332
1314
162
arc027_4
D. ぴょんぴょんトレーニング
2474
176
163
abc168_f
F. . (Single Dot)
2478
897
164
arc024_4
D. バス停
2496
194
165
arc119_e
E. Pancakes
2502
754
166
code_festival_morning_hard_c
C. 宝探し 2
2521
104
167
code_formula_2014_final_h
H. 平和協定
2726
98
168
arc067_d
F. Yakiniku Restaurants
2729
1439
169
abc212_h
H. Nim Counting
2741
825
170
acl1_d
D. Keep Distances
2764
374
171
agc044_c
C. Strange Dance
2889
774
172
agc011_d
D. Half Reflector
2931
863
173
agc003_e
E. Sequential operations on Sequence
2983
1425
174
agc003_f
F. Fraction of Fractal
3344
911
175
arc070_c
E. NarrowRectangles
3365
730
176
arc072_d
F. Dam
3414
678
177
arc063_d
F. Snuke's Coloring 2
3688
577
178
typical90_d
004. Cross Sum(★2)
null
16119
179
typical90_j
010. Score Sum Queries(★2)
null
12276
180
typical90_n
014. We Used to Sing a Song Together(★3)
null
9437
181
past201912_c
C. The Third
null
7733
182
typical90_bo
067. Base 8 to 9(★2)
null
6525
183
typical90_ar
044. Shift and Swapping(★3)
null
6257
184
math_and_algorithm_al
041. Convenience Store 2
null
5500
185
typical90_ab
028. Cluttered Paper(★4)
null
5432
186
past201912_d
D. Duplicated?
null
5392
187
typical90_ah
034. There are few types of elements(★4)
null
5074
188
typical90_bx
076. Cake Cut(★3)
null
4886
189
typical90_bl
064. Uplift(★3)
null
4866
190
past201912_e
E. Restore
null
4359
191
typical90_bf
058. Original Calculator(★4)
null
4235
192
joi2008ho_c
C. ダーツ
null
3729
193
typical90_aj
036. Max Manhattan Distance(★5)
null
3525
194
nikkei2019_final_a
A. Abundant Resources
null
3506
195
typical90_ay
051. Typical Shop(★5)
null
2898
196
tessoku_book_cl
B13. Supermarket 2
null
2818
197
past202004_c
C. Landslide
null
2685
198
joisc2014_c
C. 歴史の研究
null
2585
199
judge_update_202004_b
B. Picking Balls
null
2557
200
past202005_e
E. Sprinklers
null
2431
201
typical90_cc
081. Friendly Group(★5)
null
2383
202
past201912_h
H. Bulk Selling
null
2321
203
joi2010ho_a
A. 旅人
null
2268
204
bitflyer2018_qual_b
B. 洋菓子店
null
2080
205
joi2007ho_a
A. 最大の和
null
2068
206
yahoo_procon2017_qual_a
A. Yahoo
null
1936
207
joi2015ho_a
A. 鉄道旅行 (Railroad Trip)
null
1814
208
typical90_e
005. Restricted Digits(★7)
null
1766
209
joi2011ho1
A. 惑星探査 (Planetary Exploration)
null
1687
210
gigacode_2019_d
D. 家の建設
null
1659
211
past202004_e
E. Permutation
null
1652
212
joi2020_yo1a_c
C. マージ (Merge)
null
1612
213
math_and_algorithm_aj
039. Snowy Days
null
1564
214
joi2019_yo_b
B. すごろくと駒 (Sugoroku and Pieces)
null
1501
215
past202005_b
B. Dynamic Scoring
null
1476
216
s8pc_1_e
E. 散歩 (E869120 and Path Length)
null
1458
217
past202004_g
G. String Query
null
1450
218
typical90_bj
062. Paint All(★6)
null
1429
219
fft_c
C. 高速フーリエ変換
null
1382
220
kupc2019_a
A. November Festival
null
1305
221
joi2008yo_c
C. カードゲーム
null
1218
222
joi2007yo_d
D. カードの並び替え
null
1206
223
judge_update_202004_d
D. Calculating GCD
null
1204
224
joi2017ho_a
A. フェーン現象 (Foehn Phenomena)
null
1186
225
dwacon2018_prelims_b
B. 2525文字列分解
null
1176
226
joi2016yo_b
B. ゼッケンの交換 (Swapping Bibs)
null
1159
227
past202004_i
I. Elimination
null
1156
228
s8pc_6_a
A. E869120, who Leaps through Time
null
1142
229
kupc2020_a
A. Classroom Distance
null
1140
230
joi2010yo_b
B. すごろく
null
1139
231
past202012_d
D. Leading Zeros
null
1133
232
chokudai_S001_i
I. 和がNの区間
null
1121
233
past202104_d
D. K Integers Summations
null
1112
234
code_thanks_festival_2018_c
C. Pair Distance
null
1092
235
practice2_h
H. Two SAT
null
1087
236
typical90_ce
083. Colorful Graph(★6)
null
1069
237
joi2012yo_b
B. サッカー (Soccer)
null
1060
238
joi2015yo_c
C. 気象予報士 (Weather Forecaster)
null
1050
239
joi2012ho4
D. 釘 (Nails)
null
1044
240
joi2021_yo2_a
A. 往復すごろく (Round Sugoroku)
null
1038
241
joi2019ho_a
A. 勇者ビ太郎 (Bitaro the Brave)
null
1031
242
joi2007ho_b
B. 最長の階段
null
1015
243
joi2014yo_c
C. 超都観光 (Super Metropolis)
null
1013
244
typical90_cj
088. Similar but Different Ways(★6)
null
1000
245
iroha2019_day1_e
E. 放課後
null
979
246
joisc2007_score
score. 得点 (Score)
null
957
247
jsc2019_final_a
A. Equal Weight
null
923
248
past202005_i
I. Matrix Operations
null
897
249
joi2020ho_a
A. 長いだけのネクタイ (Just Long Neckties)
null
880
250
mujin_pc_2018_c
C. 右折
null
850
251
joi2006yo_a
A. JOI 2006 予選 問題1
null
825
252
joi2013yo_e
E. 魚の生息範囲 (Fish)
null
806
253
typical90_bg
059. Many Graph Queries(★7)
null
803
254
joisc2014_h
H. JOIOJI
null
790
255
past202010_i
I. ピザ
null
771
256
joisc2007_mall
mall. ショッピングモール (Mall)
null
768
257
past201912_n
N. Land Clearing
null
712
258
s8pc_5_a
A. Sushi 2
null
690
259
bitflyer2018_final_b
B. 交通費
null
668
260
joisc2010_poster
poster. JOIポスター (JOI Poster)
null
652
261
joi2008ho_e
E. ペンキの色
null
651
262
iroha2019_day2_c
C. 陽気な妖姫
null
648
263
cpsco2019_s3_c
C. Camp Reception
null
635
264
joi2018ho_b
B. 美術展 (Art Exhibition)
null
629
265
past202104_f
F. Safety System
null
616
266
joisc2010_contest
contest. コンテスト (Contest)
null
568
267
joisc2015_b
B. 愉快なロゴデザイン
null
514
268
tkppc3_c
C. 新入生歓迎数列 - Easy
null
491
269
joi2022_yo2_c
C. 国土分割 (Land Division)
null
482
270
bcu30_2019_a
A. Wolf Keyboard
null
455
271
joi2006yo_c
C. JOI 2006 予選 問題3
null
449
272
jag2016secretspring_b
B. 豪邸と宅配便
null
422
273
tkppc4_1_f
F. 不便な橋
null
417
274
bitflyer2018_qual_d
D. ハンコ
null
411
275
relay_c
C. Kode Festival
null
411
276
tkppc2015_c
C. お姉ちゃんって呼んで (Call me sister)
null
400
277
joi2009yo_e
E. シャッフル
null
388
278
donuts_live2014_1
A. 勤怠管理
null
376
279
past202012_o
O. Notification
null
331
280
relay2_b
B. Evergrowing Tree
null
326
281
qupc2014_c
C. 案内所
null
324
282
tkppc2016_c
C. 有給休暇(Paid Vacation)
null
324
283
jag2017summer_day3_a
A. Star in Parentheses
null
318
284
past202005_n
N. Swap and Sort
null
314
285
code_thanks_festival_14_quala_e
E. 儀式
null
307
286
code_thanks_festival_2015_d
D. 暴露
null
302
287
indeednow_2015_finalb_b
B. How are you?
null
298
288
tkppc3_d
D. 巨大チェスボード
null
296
289
tkppc4_1_i
I. school competition 1
null
278
290
joisc2010_aplusb
aplusb. 足し算 (a + b problem)
null
278
291
joisc2014_i
I. かかし
null
263
292
past202104_m
M. Equal Queries
null
254
293
qupc2018_e
E. Treeone
null
236
294
k4pc_b
B. コミュニケーション能力(Communication Ability)
null
223
295
kupc2012pr_4
D. A mul B Problem
null
211
296
donuts_live2014_3
C. ソーシャルゲーム
null
211
297
joisc2018_h
H. ビ太郎のパーティー (Bitaro's Party)
null
191
298
ddcc_2016_final_c
C. 01文字列
null
187
299
past202212_n
N. Sequence and Function
null
167
300
yahoo_procon2017_final_c
C. 倍数クエリ
null
166
301
maximum_2013_e
E. Alicia's Rare card Challenge
null
115
302
maximum_2013_j
J. ALPHAのならび
null
110
303
dwango2017final_b
B. ニワンゴくんの約数
null
106
304
tkppc4_2_f
F. Segtree☆Magica
null
92
305
code_thanks_festival_2015_h
H. 穴あきケーキ
null
86
306
kupc2012_6
F. Acceleration of Network
null
86
307
joisc2019_b
B. ビーバーの会合 (Meetings)
null
73
308
jsc2019_final_d
D. Minimize Maximum
null
67
309
wupc2019_h
H. Doki Doki Programming Clubs!
null
64
310
utpc2012_08
H. 区間スケジューリングクエリ
null
64
311
pakencamp_2019_day4_f
F. イーハチはやる
null
58
312
joi2006ho_e
E. JOI 2006 本選 問題5
null
54
313
maximum_2013_h
H. さいたまの矛盾
null
51
314
k2pc001_h5
E. 暗号化(Encipherment)
null
44
315
wupc_09
I. その味は甘くて
null
36
316
joisc2019_l
L. 鉱物 (Minerals)
null
35