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Technique
#
ID
Name
Difficulty
Solver
1
abc171_b
B. Mix Juice
-765
19523
2
abc317_b
B. MissingNo.
-764
11941
3
abc336_b
B. CTZ
-683
11592
4
abc242_b
B. Minimize Ordering
-478
13489
5
abc311_b
B. Vacation Together
-312
12558
6
abc256_b
B. Batters
-227
10447
7
abc328_b
B. 11/11
-213
10986
8
abc165_b
B. 1%
-200
18993
9
abc257_b
B. 1D Pawn
-194
9784
10
abc207_b
B. Hydrate
-161
12444
11
abc318_b
B. Overlapping sheets
-152
13743
12
abc220_c
C. Long Sequence
-86
12472
13
abc294_c
C. Merge Sequences
-59
9711
14
abc141_c
C. Attack Survival
-35
14888
15
abc134_c
C. Exception Handling
-31
14612
16
abc216_c
C. Many Balls
-6
11824
17
abc247_c
C. 1 2 1 3 1 2 1
5
11541
18
tenka1_2012_qualA_1
A. 算盤の書
8
1951
19
abc203_c
C. Friends and Travel costs
54
11808
20
abc215_c
C. One More aab aba baa
76
11663
21
abc273_b
B. Broken Rounding
77
8862
22
abc202_c
C. Made Up
130
12649
23
tenka1_2013_qualB_a
A. 天下一人力比較
147
1657
24
abc228_c
C. Final Day
149
9013
25
arc124_a
A. LR Constraints
149
3706
26
arc120_a
A. Max Add
183
4000
27
abc127_c
C. Prison
194
15054
28
abc219_c
C. Neo-lexicographic Ordering
227
9235
29
abc166_c
C. Peaks
233
15726
30
abc279_c
C. RANDOM
246
8178
31
abc151_c
C. Welcome to AtCoder
327
13457
32
abc246_c
C. Coupon
330
10110
33
ddcc2020_qual_b
B. Iron Bar Cutting
350
5721
34
abc210_c
C. Colorful Candies
357
10437
35
abc222_c
C. Swiss-System Tournament
366
8095
36
abc194_c
C. Squared Error
386
11164
37
abc186_d
D. Sum of difference
436
10692
38
arc126_a
A. Make 10
465
3813
39
abc213_c
C. Reorder Cards
481
10047
40
abc154_d
D. Dice in Line
485
12307
41
arc104_b
B. DNA Sequence
487
7142
42
abc171_d
D. Replacing
498
13085
43
abc267_c
C. Index × A(Continuous ver.)
524
8205
44
abc256_d
D. Union of Interval
546
7473
45
abc278_d
D. All Assign Point Add
559
7315
46
arc130_b
B. Colorful Lines
576
2969
47
abc275_d
D. Yet Another Recursive Function
606
7391
48
arc107_b
B. Quadruple
633
5172
49
arc098_a
C. Attention
635
11021
50
abc183_d
D. Water Heater
662
9271
51
abc122_c
C. GeT AC
700
11618
52
abc182_d
D. Wandering
701
8669
53
abc233_d
D. Count Interval
726
7333
54
abc229_d
D. Longest X
745
6922
55
abc167_d
D. Teleporter
754
11918
56
abc337_d
D. Cheating Gomoku Narabe
760
6400
57
abc225_d
D. Play Train
778
6487
58
arc013_2
B. 引越しできるかな?
788
2442
59
abc294_e
E. 2xN Grid
792
5300
60
abc136_d
D. Gathering Children
794
9834
61
arc009_2
B. おとぎの国の高橋君
830
2508
62
abc221_d
D. Online games
832
7068
63
arc042_a
A. 掲示板
861
2905
64
abc130_d
D. Enough Array
865
10340
65
abc113_c
C. ID
878
9087
66
abc252_d
D. Distinct Trio
884
6867
67
abc037_c
C. 総和
915
5760
68
abc172_c
C. Tsundoku
930
11369
69
abc188_d
D. Snuke Prime
933
7573
70
arc035_b
B. アットコーダー王国のコンテスト事情
949
2324
71
abc036_c
C. 座圧
956
5244
72
abc163_d
D. Sum of Large Numbers
960
9944
73
agc002_b
B. Box and Ball
981
5524
74
abc278_e
E. Grid Filling
996
4586
75
agc011_b
B. Colorful Creatures
998
4558
76
abc334_c
C. Socks 2
1030
5172
77
agc023_a
A. Zero-Sum Ranges
1038
6156
78
abc035_c
C. オセロ
1096
4870
79
nikkei2019_qual_c
C. Different Strokes
1136
4337
80
abc246_d
D. 2-variable Function
1148
6683
81
arc109_c
C. Large RPS Tournament
1157
3279
82
abc297_e
E. Kth Takoyaki Set
1176
5133
83
arc026_2
B. 完全数
1199
3066
84
abc089_d
D. Practical Skill Test
1220
4668
85
abc338_d
D. Island Tour
1234
3841
86
abc032_c
C. 列
1244
5198
87
abc241_e
E. Putting Candies
1248
4368
88
abc247_e
E. Max Min
1256
4670
89
tokiomarine2020_c
C. Lamps
1274
3825
90
abc014_3
C. AtColor
1276
5390
91
abc242_d
D. ABC Transform
1286
4662
92
tenka1_2013_qualB_b
B. 天下一後入れ先出しデータ構造
1286
1158
93
arc048_b
B. AtCoderでじゃんけんを
1290
1759
94
abc106_d
D. AtCoder Express 2
1319
5437
95
abc281_e
E. Least Elements
1334
3866
96
arc119_c
C. ARC Wrecker 2
1354
2457
97
abc187_e
E. Through Path
1358
4694
98
arc025_2
B. チョコレート
1369
1652
99
arc126_b
B. Cross-free Matching
1370
2346
100
abc037_d
D. 経路
1377
2707
101
abc080_d
D. Recording
1383
3762
102
abc279_e
E. Cheating Amidakuji
1390
2934
103
abc153_f
F. Silver Fox vs Monster
1393
4601
104
arc022_2
B. 細長いお菓子
1395
2711
105
arc098_b
D. Xor Sum 2
1404
6078
106
abc184_f
F. Programming Contest
1423
4630
107
abc272_e
E. Add and Mex
1434
3608
108
abc005_4
D. おいしいたこ焼きの焼き方
1447
2986
109
abc105_d
D. Candy Distribution
1458
4664
110
arc120_c
C. Swaps 2
1478
2130
111
abc123_d
D. Cake 123
1489
5480
112
arc045_b
B. ドキドキデート大作戦高橋君
1526
1711
113
abc018_3
C. 菱型カウント
1553
2166
114
abc001_4
D. 感雨時刻の整理
1565
3291
115
tenka1_2014_qualA_b
B. かぶりん!
1576
759
116
abc183_f
F. Confluence
1586
3560
117
abc017_3
C. ハイスコア
1607
2752
118
arc017_3
C. 無駄なものが嫌いな人
1625
1888
119
abc351_e
E. Jump Distance Sum
1627
null
120
abc271_f
F. XOR on Grid Path
1669
2571
121
abc335_f
F. Hop Sugoroku
1690
2168
122
abc204_e
E. Rush Hour 2
1710
2503
123
abc018_4
D. バレンタインデー
1711
1905
124
abc339_f
F. Product Equality
1716
2426
125
arc138_c
C. Rotate and Play Game
1728
1582
126
abc013_4
D. 阿弥陀
1730
1705
127
arc071_c
E. TrBBnsformBBtion
1739
2092
128
abc203_e
E. White Pawn
1750
2222
129
abc023_c
C. 収集王
1752
2270
130
abc293_g
G. Triple Index
1753
2118
131
abc146_e
E. Rem of Sum is Num
1762
3210
132
abc249_f
F. Ignore Operations
1786
2180
133
arc089_b
D. Checker
1797
2631
134
agc008_b
B. Contiguous Repainting
1822
2366
135
abc242_g
G. Range Pairing Query
1828
2126
136
agc026_c
C. String Coloring
1836
2166
137
abc188_f
F. +1-1x2
1865
2832
138
abc326_f
F. Robot Rotation
1870
1741
139
agc010_b
B. Boxes
1892
2334
140
arc014_4
D. grepマスター
1904
635
141
arc136_d
D. Without Carry
1908
1413
142
abc336_f
F. Rotation Puzzle
2018
1101
143
arc101_b
D. Median of Medians
2073
2467
144
arc077_c
E. guruguru
2117
1595
145
abc342_f
F. Black Jack
2141
1100
146
arc020_3
C. A mod B Problem
2141
683
147
arc060_c
E. Tak and Hotels
2154
2053
148
tokiomarine2020_d
D. Knapsack Queries on a tree
2158
1129
149
arc003_4
D. シャッフル席替え
2194
509
150
dwango2016qual_d
D. 庭園
2233
250
151
abc238_g
G. Cubic?
2254
1280
152
abc143_f
F. Distinct Numbers
2277
1438
153
abc212_f
F. Greedy Takahashi
2332
1079
154
arc027_4
D. ぴょんぴょんトレーニング
2474
166
155
abc168_f
F. . (Single Dot)
2478
823
156
arc024_4
D. バス停
2496
175
157
arc119_e
E. Pancakes
2502
589
158
code_festival_morning_hard_c
C. 宝探し 2
2521
96
159
code_formula_2014_final_h
H. 平和協定
2726
89
160
arc067_d
F. Yakiniku Restaurants
2729
1076
161
abc212_h
H. Nim Counting
2741
521
162
acl1_d
D. Keep Distances
2764
339
163
agc044_c
C. Strange Dance
2889
550
164
agc011_d
D. Half Reflector
2931
730
165
agc003_e
E. Sequential operations on Sequence
2983
1136
166
agc003_f
F. Fraction of Fractal
3344
706
167
arc070_c
E. NarrowRectangles
3365
470
168
arc072_d
F. Dam
3414
441
169
arc063_d
F. Snuke's Coloring 2
3688
403
170
typical90_d
004. Cross Sum(★2)
null
12333
171
typical90_j
010. Score Sum Queries(★2)
null
9384
172
typical90_n
014. We Used to Sing a Song Together(★3)
null
7296
173
past201912_c
C. The Third
null
6718
174
typical90_bo
067. Base 8 to 9(★2)
null
5063
175
typical90_ar
044. Shift and Swapping(★3)
null
4883
176
past201912_d
D. Duplicated?
null
4786
177
typical90_ab
028. Cluttered Paper(★4)
null
4174
178
typical90_ah
034. There are few types of elements(★4)
null
3914
179
past201912_e
E. Restore
null
3832
180
typical90_bl
064. Uplift(★3)
null
3762
181
typical90_bx
076. Cake Cut(★3)
null
3718
182
math_and_algorithm_al
041. Convenience Store 2
null
3498
183
typical90_bf
058. Original Calculator(★4)
null
3239
184
joi2008ho_c
C. ダーツ
null
3167
185
nikkei2019_final_a
A. Abundant Resources
null
3031
186
typical90_aj
036. Max Manhattan Distance(★5)
null
2678
187
judge_update_202004_b
B. Picking Balls
null
2538
188
past202004_c
C. Landslide
null
2329
189
typical90_ay
051. Typical Shop(★5)
null
2238
190
past201912_h
H. Bulk Selling
null
2076
191
bitflyer2018_qual_b
B. 洋菓子店
null
2051
192
past202005_e
E. Sprinklers
null
1967
193
joi2010ho_a
A. 旅人
null
1894
194
yahoo_procon2017_qual_a
A. Yahoo
null
1883
195
typical90_cc
081. Friendly Group(★5)
null
1808
196
tessoku_book_cl
B13. Supermarket 2
null
1699
197
joi2007ho_a
A. 最大の和
null
1625
198
joi2015ho_a
A. 鉄道旅行 (Railroad Trip)
null
1503
199
past202004_e
E. Permutation
null
1496
200
gigacode_2019_d
D. 家の建設
null
1438
201
joisc2014_c
C. 歴史の研究
null
1428
202
joi2011ho1
A. 惑星探査 (Planetary Exploration)
null
1358
203
past202005_b
B. Dynamic Scoring
null
1329
204
past202004_g
G. String Query
null
1307
205
joi2019_yo_b
B. すごろくと駒 (Sugoroku and Pieces)
null
1296
206
joi2020_yo1a_c
C. マージ (Merge)
null
1296
207
typical90_e
005. Restricted Digits(★7)
null
1294
208
kupc2019_a
A. November Festival
null
1284
209
s8pc_1_e
E. 散歩 (E869120 and Path Length)
null
1237
210
fft_c
C. 高速フーリエ変換
null
1233
211
dwacon2018_prelims_b
B. 2525文字列分解
null
1172
212
judge_update_202004_d
D. Calculating GCD
null
1161
213
math_and_algorithm_aj
039. Snowy Days
null
1133
214
kupc2020_a
A. Classroom Distance
null
1109
215
s8pc_6_a
A. E869120, who Leaps through Time
null
1104
216
typical90_bj
062. Paint All(★6)
null
1102
217
code_thanks_festival_2018_c
C. Pair Distance
null
1064
218
past202004_i
I. Elimination
null
1062
219
chokudai_S001_i
I. 和がNの区間
null
1040
220
past202012_d
D. Leading Zeros
null
1039
221
joi2016yo_b
B. ゼッケンの交換 (Swapping Bibs)
null
997
222
joi2008yo_c
C. カードゲーム
null
971
223
joi2007yo_d
D. カードの並び替え
null
963
224
iroha2019_day1_e
E. 放課後
null
945
225
joi2010yo_b
B. すごろく
null
940
226
past202104_d
D. K Integers Summations
null
936
227
joi2017ho_a
A. フェーン現象 (Foehn Phenomena)
null
907
228
joi2015yo_c
C. 気象予報士 (Weather Forecaster)
null
882
229
jsc2019_final_a
A. Equal Weight
null
870
230
joi2012yo_b
B. サッカー (Soccer)
null
868
231
joi2014yo_c
C. 超都観光 (Super Metropolis)
null
848
232
mujin_pc_2018_c
C. 右折
null
837
233
joi2007ho_b
B. 最長の階段
null
836
234
joi2012ho4
D. 釘 (Nails)
null
833
235
practice2_h
H. Two SAT
null
832
236
joisc2007_score
score. 得点 (Score)
null
815
237
joi2019ho_a
A. 勇者ビ太郎 (Bitaro the Brave)
null
806
238
typical90_ce
083. Colorful Graph(★6)
null
789
239
past202005_i
I. Matrix Operations
null
789
240
joi2021_yo2_a
A. 往復すごろく (Round Sugoroku)
null
774
241
typical90_cj
088. Similar but Different Ways(★6)
null
756
242
joi2006yo_a
A. JOI 2006 予選 問題1
null
710
243
past202010_i
I. ピザ
null
688
244
s8pc_5_a
A. Sushi 2
null
675
245
joisc2007_mall
mall. ショッピングモール (Mall)
null
659
246
joi2020ho_a
A. 長いだけのネクタイ (Just Long Neckties)
null
652
247
joi2013yo_e
E. 魚の生息範囲 (Fish)
null
649
248
past201912_n
N. Land Clearing
null
640
249
bitflyer2018_final_b
B. 交通費
null
638
250
iroha2019_day2_c
C. 陽気な妖姫
null
617
251
typical90_bg
059. Many Graph Queries(★7)
null
611
252
cpsco2019_s3_c
C. Camp Reception
null
596
253
joisc2014_h
H. JOIOJI
null
567
254
past202104_f
F. Safety System
null
559
255
joisc2010_poster
poster. JOIポスター (JOI Poster)
null
548
256
joi2008ho_e
E. ペンキの色
null
523
257
joi2018ho_b
B. 美術展 (Art Exhibition)
null
479
258
tkppc3_c
C. 新入生歓迎数列 - Easy
null
476
259
joisc2010_contest
contest. コンテスト (Contest)
null
476
260
bcu30_2019_a
A. Wolf Keyboard
null
425
261
bitflyer2018_qual_d
D. ハンコ
null
408
262
joisc2015_b
B. 愉快なロゴデザイン
null
400
263
joi2006yo_c
C. JOI 2006 予選 問題3
null
395
264
jag2016secretspring_b
B. 豪邸と宅配便
null
390
265
tkppc4_1_f
F. 不便な橋
null
386
266
relay_c
C. Kode Festival
null
376
267
tkppc2015_c
C. お姉ちゃんって呼んで (Call me sister)
null
373
268
joi2022_yo2_c
C. 国土分割 (Land Division)
null
326
269
donuts_live2014_1
A. 勤怠管理
null
314
270
relay2_b
B. Evergrowing Tree
null
310
271
qupc2014_c
C. 案内所
null
302
272
jag2017summer_day3_a
A. Star in Parentheses
null
300
273
tkppc2016_c
C. 有給休暇(Paid Vacation)
null
300
274
joi2009yo_e
E. シャッフル
null
298
275
code_thanks_festival_14_quala_e
E. 儀式
null
282
276
tkppc3_d
D. 巨大チェスボード
null
280
277
past202012_o
O. Notification
null
279
278
past202005_n
N. Swap and Sort
null
279
279
code_thanks_festival_2015_d
D. 暴露
null
279
280
indeednow_2015_finalb_b
B. How are you?
null
268
281
tkppc4_1_i
I. school competition 1
null
241
282
joisc2010_aplusb
aplusb. 足し算 (a + b problem)
null
220
283
k4pc_b
B. コミュニケーション能力(Communication Ability)
null
215
284
qupc2018_e
E. Treeone
null
213
285
past202104_m
M. Equal Queries
null
202
286
kupc2012pr_4
D. A mul B Problem
null
191
287
ddcc_2016_final_c
C. 01文字列
null
185
288
donuts_live2014_3
C. ソーシャルゲーム
null
169
289
yahoo_procon2017_final_c
C. 倍数クエリ
null
159
290
joisc2014_i
I. かかし
null
150
291
joisc2018_h
H. ビ太郎のパーティー (Bitaro's Party)
null
138
292
past202212_n
N. Sequence and Function
null
124
293
dwango2017final_b
B. ニワンゴくんの約数
null
93
294
maximum_2013_j
J. ALPHAのならび
null
91
295
maximum_2013_e
E. Alicia's Rare card Challenge
null
89
296
tkppc4_2_f
F. Segtree☆Magica
null
87
297
kupc2012_6
F. Acceleration of Network
null
82
298
code_thanks_festival_2015_h
H. 穴あきケーキ
null
80
299
utpc2012_08
H. 区間スケジューリングクエリ
null
64
300
jsc2019_final_d
D. Minimize Maximum
null
61
301
wupc2019_h
H. Doki Doki Programming Clubs!
null
60
302
joi2006ho_e
E. JOI 2006 本選 問題5
null
49
303
joisc2019_b
B. ビーバーの会合 (Meetings)
null
48
304
maximum_2013_h
H. さいたまの矛盾
null
42
305
k2pc001_h5
E. 暗号化(Encipherment)
null
36
306
wupc_09
I. その味は甘くて
null
31
307
joisc2019_l
L. 鉱物 (Minerals)
null
29
308
pakencamp_2019_day4_f
F. イーハチはやる
null
22