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Technique
#
ID
Name
Difficulty
Solver
1
abc171_b
B. Mix Juice
-765
20040
2
abc317_b
B. MissingNo.
-764
13197
3
abc378_a
A. Pairing
-755
13259
4
abc336_b
B. CTZ
-683
13415
5
abc242_b
B. Minimize Ordering
-478
14337
6
abc311_b
B. Vacation Together
-312
13595
7
abc256_b
B. Batters
-227
11054
8
abc328_b
B. 11/11
-213
12207
9
abc165_b
B. 1%
-200
19656
10
abc257_b
B. 1D Pawn
-194
10345
11
abc207_b
B. Hydrate
-161
12965
12
abc318_b
B. Overlapping sheets
-152
14800
13
abc220_c
C. Long Sequence
-86
13692
14
abc294_c
C. Merge Sequences
-59
10561
15
abc141_c
C. Attack Survival
-35
15509
16
abc134_c
C. Exception Handling
-31
15302
17
abc216_c
C. Many Balls
-6
12766
18
abc247_c
C. 1 2 1 3 1 2 1
5
12612
19
tenka1_2012_qualA_1
A. 算盤の書
8
2049
20
abc203_c
C. Friends and Travel costs
54
12426
21
abc215_c
C. One More aab aba baa
76
12547
22
abc273_b
B. Broken Rounding
77
9452
23
abc202_c
C. Made Up
130
13506
24
tenka1_2013_qualB_a
A. 天下一人力比較
147
1744
25
abc228_c
C. Final Day
149
9697
26
arc124_a
A. LR Constraints
149
3852
27
arc120_a
A. Max Add
183
4254
28
abc127_c
C. Prison
194
15827
29
abc219_c
C. Neo-lexicographic Ordering
227
9970
30
abc166_c
C. Peaks
233
16466
31
abc279_c
C. RANDOM
246
8840
32
abc151_c
C. Welcome to AtCoder
327
13962
33
abc246_c
C. Coupon
330
10810
34
ddcc2020_qual_b
B. Iron Bar Cutting
350
6037
35
abc210_c
C. Colorful Candies
357
11059
36
abc222_c
C. Swiss-System Tournament
366
8735
37
abc357_c
C. Sierpinski carpet
370
10426
38
abc194_c
C. Squared Error
386
11912
39
abc186_d
D. Sum of difference
436
11470
40
arc126_a
A. Make 10
465
4017
41
abc213_c
C. Reorder Cards
481
10953
42
abc154_d
D. Dice in Line
485
12909
43
arc104_b
B. DNA Sequence
487
7437
44
abc171_d
D. Replacing
498
13612
45
abc267_c
C. Index × A(Continuous ver.)
524
8958
46
abc256_d
D. Union of Interval
546
8056
47
abc278_d
D. All Assign Point Add
559
7982
48
arc130_b
B. Colorful Lines
576
3151
49
abc275_d
D. Yet Another Recursive Function
606
8241
50
arc107_b
B. Quadruple
633
5346
51
arc098_a
C. Attention
635
11649
52
abc183_d
D. Water Heater
662
9692
53
abc122_c
C. GeT AC
700
12343
54
abc182_d
D. Wandering
701
9133
55
abc233_d
D. Count Interval
726
8046
56
abc229_d
D. Longest X
745
7557
57
abc167_d
D. Teleporter
754
12564
58
abc337_d
D. Cheating Gomoku Narabe
760
7172
59
abc225_d
D. Play Train
778
7077
60
arc013_2
B. 引越しできるかな?
788
2520
61
abc294_e
E. 2xN Grid
792
5699
62
abc136_d
D. Gathering Children
794
10390
63
arc009_2
B. おとぎの国の高橋君
830
2569
64
abc221_d
D. Online games
832
7648
65
abc353_d
D. Another Sigma Problem
844
7623
66
arc042_a
A. 掲示板
861
3006
67
abc130_d
D. Enough Array
865
11014
68
abc113_c
C. ID
878
9568
69
abc252_d
D. Distinct Trio
884
7433
70
abc037_c
C. 総和
915
6179
71
abc172_c
C. Tsundoku
930
11832
72
abc188_d
D. Snuke Prime
933
8044
73
abc295_d
D. Three Days Ago
939
7456
74
arc035_b
B. アットコーダー王国のコンテスト事情
949
2386
75
abc036_c
C. 座圧
956
5536
76
abc163_d
D. Sum of Large Numbers
960
10224
77
agc002_b
B. Box and Ball
981
5802
78
abc278_e
E. Grid Filling
996
4962
79
abc386_d
D. Diagonal Separation
996
4819
80
agc011_b
B. Colorful Creatures
998
4749
81
abc334_c
C. Socks 2
1030
6040
82
abc367_d
D. Pedometer
1037
6365
83
agc023_a
A. Zero-Sum Ranges
1038
6516
84
abc035_c
C. オセロ
1096
5136
85
nikkei2019_qual_c
C. Different Strokes
1136
4459
86
abc246_d
D. 2-variable Function
1148
7221
87
arc109_c
C. Large RPS Tournament
1157
3418
88
abc297_e
E. Kth Takoyaki Set
1176
5613
89
arc026_2
B. 完全数
1199
3200
90
abc089_d
D. Practical Skill Test
1220
4903
91
abc338_d
D. Island Tour
1234
4453
92
abc032_c
C. 列
1244
5647
93
abc241_e
E. Putting Candies
1248
4722
94
abc247_e
E. Max Min
1256
5036
95
tokiomarine2020_c
C. Lamps
1274
3890
96
abc014_3
C. AtColor
1276
5804
97
abc242_d
D. ABC Transform
1286
5058
98
tenka1_2013_qualB_b
B. 天下一後入れ先出しデータ構造
1286
1198
99
arc048_b
B. AtCoderでじゃんけんを
1290
1809
100
abc106_d
D. AtCoder Express 2
1319
5791
101
abc281_e
E. Least Elements
1334
4240
102
arc119_c
C. ARC Wrecker 2
1354
2653
103
abc187_e
E. Through Path
1358
5025
104
arc025_2
B. チョコレート
1369
1716
105
abc367_e
E. Permute K times
1370
4479
106
arc126_b
B. Cross-free Matching
1370
2490
107
abc037_d
D. 経路
1377
2856
108
abc080_d
D. Recording
1383
3919
109
abc279_e
E. Cheating Amidakuji
1390
3221
110
abc153_f
F. Silver Fox vs Monster
1393
4922
111
arc022_2
B. 細長いお菓子
1395
2879
112
arc098_b
D. Xor Sum 2
1404
6555
113
abc184_f
F. Programming Contest
1423
5192
114
abc272_e
E. Add and Mex
1434
3927
115
abc005_4
D. おいしいたこ焼きの焼き方
1447
3200
116
abc105_d
D. Candy Distribution
1458
4952
117
arc120_c
C. Swaps 2
1478
2351
118
abc123_d
D. Cake 123
1489
5849
119
arc045_b
B. ドキドキデート大作戦高橋君
1526
1762
120
abc018_3
C. 菱型カウント
1553
2297
121
abc001_4
D. 感雨時刻の整理
1565
3539
122
tenka1_2014_qualA_b
B. かぶりん!
1576
784
123
abc183_f
F. Confluence
1586
3826
124
abc017_3
C. ハイスコア
1607
2890
125
arc017_3
C. 無駄なものが嫌いな人
1625
1967
126
abc351_e
E. Jump Distance Sum
1627
3255
127
abc271_f
F. XOR on Grid Path
1669
2929
128
abc377_e
E. Permute K times 2
1685
2469
129
abc335_f
F. Hop Sugoroku
1690
2658
130
abc204_e
E. Rush Hour 2
1710
2708
131
abc018_4
D. バレンタインデー
1711
2006
132
abc339_f
F. Product Equality
1716
2882
133
arc138_c
C. Rotate and Play Game
1728
1715
134
abc013_4
D. 阿弥陀
1730
1811
135
arc071_c
E. TrBBnsformBBtion
1739
2228
136
abc203_e
E. White Pawn
1750
2426
137
abc023_c
C. 収集王
1752
2375
138
abc293_g
G. Triple Index
1753
2448
139
abc146_e
E. Rem of Sum is Num
1762
3461
140
abc249_f
F. Ignore Operations
1786
2358
141
arc089_b
D. Checker
1797
2749
142
agc008_b
B. Contiguous Repainting
1822
2657
143
abc242_g
G. Range Pairing Query
1828
2422
144
agc026_c
C. String Coloring
1836
2260
145
abc188_f
F. +1-1x2
1865
3061
146
abc326_f
F. Robot Rotation
1870
1990
147
agc010_b
B. Boxes
1892
2465
148
arc014_4
D. grepマスター
1904
662
149
arc136_d
D. Without Carry
1908
1651
150
abc336_f
F. Rotation Puzzle
2018
1309
151
arc101_b
D. Median of Medians
2073
2744
152
arc077_c
E. guruguru
2117
1704
153
abc342_f
F. Black Jack
2141
1301
154
arc020_3
C. A mod B Problem
2141
717
155
arc060_c
E. Tak and Hotels
2154
2333
156
tokiomarine2020_d
D. Knapsack Queries on a tree
2158
1256
157
arc003_4
D. シャッフル席替え
2194
543
158
dwango2016qual_d
D. 庭園
2233
257
159
abc238_g
G. Cubic?
2254
1488
160
abc143_f
F. Distinct Numbers
2277
1583
161
abc212_f
F. Greedy Takahashi
2332
1189
162
arc027_4
D. ぴょんぴょんトレーニング
2474
178
163
abc168_f
F. . (Single Dot)
2478
866
164
arc024_4
D. バス停
2496
185
165
arc119_e
E. Pancakes
2502
709
166
code_festival_morning_hard_c
C. 宝探し 2
2521
100
167
code_formula_2014_final_h
H. 平和協定
2726
103
168
arc067_d
F. Yakiniku Restaurants
2729
1315
169
abc212_h
H. Nim Counting
2741
673
170
acl1_d
D. Keep Distances
2764
374
171
agc044_c
C. Strange Dance
2889
706
172
agc011_d
D. Half Reflector
2931
829
173
agc003_e
E. Sequential operations on Sequence
2983
1326
174
agc003_f
F. Fraction of Fractal
3344
836
175
arc070_c
E. NarrowRectangles
3365
618
176
arc072_d
F. Dam
3414
603
177
arc063_d
F. Snuke's Coloring 2
3688
530
178
typical90_d
004. Cross Sum(★2)
null
14451
179
typical90_j
010. Score Sum Queries(★2)
null
10990
180
typical90_n
014. We Used to Sing a Song Together(★3)
null
8518
181
past201912_c
C. The Third
null
7338
182
typical90_bo
067. Base 8 to 9(★2)
null
5873
183
typical90_ar
044. Shift and Swapping(★3)
null
5655
184
past201912_d
D. Duplicated?
null
5156
185
typical90_ab
028. Cluttered Paper(★4)
null
4864
186
math_and_algorithm_al
041. Convenience Store 2
null
4633
187
typical90_ah
034. There are few types of elements(★4)
null
4582
188
typical90_bl
064. Uplift(★3)
null
4375
189
typical90_bx
076. Cake Cut(★3)
null
4364
190
past201912_e
E. Restore
null
4179
191
typical90_bf
058. Original Calculator(★4)
null
3820
192
joi2008ho_c
C. ダーツ
null
3462
193
nikkei2019_final_a
A. Abundant Resources
null
3323
194
typical90_aj
036. Max Manhattan Distance(★5)
null
3116
195
typical90_ay
051. Typical Shop(★5)
null
2603
196
judge_update_202004_b
B. Picking Balls
null
2550
197
past202004_c
C. Landslide
null
2548
198
tessoku_book_cl
B13. Supermarket 2
null
2334
199
past202005_e
E. Sprinklers
null
2252
200
past201912_h
H. Bulk Selling
null
2228
201
typical90_cc
081. Friendly Group(★5)
null
2119
202
joi2010ho_a
A. 旅人
null
2119
203
joisc2014_c
C. 歴史の研究
null
2089
204
bitflyer2018_qual_b
B. 洋菓子店
null
2062
205
yahoo_procon2017_qual_a
A. Yahoo
null
1929
206
joi2007ho_a
A. 最大の和
null
1900
207
joi2015ho_a
A. 鉄道旅行 (Railroad Trip)
null
1684
208
gigacode_2019_d
D. 家の建設
null
1587
209
past202004_e
E. Permutation
null
1579
210
joi2011ho1
A. 惑星探査 (Planetary Exploration)
null
1557
211
typical90_e
005. Restricted Digits(★7)
null
1543
212
joi2020_yo1a_c
C. マージ (Merge)
null
1490
213
past202005_b
B. Dynamic Scoring
null
1420
214
joi2019_yo_b
B. すごろくと駒 (Sugoroku and Pieces)
null
1412
215
past202004_g
G. String Query
null
1388
216
math_and_algorithm_aj
039. Snowy Days
null
1371
217
s8pc_1_e
E. 散歩 (E869120 and Path Length)
null
1369
218
fft_c
C. 高速フーリエ変換
null
1317
219
kupc2019_a
A. November Festival
null
1294
220
typical90_bj
062. Paint All(★6)
null
1276
221
dwacon2018_prelims_b
B. 2525文字列分解
null
1180
222
judge_update_202004_d
D. Calculating GCD
null
1169
223
kupc2020_a
A. Classroom Distance
null
1127
224
s8pc_6_a
A. E869120, who Leaps through Time
null
1123
225
joi2008yo_c
C. カードゲーム
null
1121
226
past202004_i
I. Elimination
null
1116
227
joi2007yo_d
D. カードの並び替え
null
1099
228
past202012_d
D. Leading Zeros
null
1098
229
chokudai_S001_i
I. 和がNの区間
null
1092
230
code_thanks_festival_2018_c
C. Pair Distance
null
1080
231
joi2016yo_b
B. ゼッケンの交換 (Swapping Bibs)
null
1079
232
joi2010yo_b
B. すごろく
null
1066
233
joi2017ho_a
A. フェーン現象 (Foehn Phenomena)
null
1065
234
past202104_d
D. K Integers Summations
null
1032
235
practice2_h
H. Two SAT
null
994
236
joi2015yo_c
C. 気象予報士 (Weather Forecaster)
null
965
237
joi2012yo_b
B. サッカー (Soccer)
null
964
238
iroha2019_day1_e
E. 放課後
null
960
239
joi2012ho4
D. 釘 (Nails)
null
955
240
joi2019ho_a
A. 勇者ビ太郎 (Bitaro the Brave)
null
946
241
joi2014yo_c
C. 超都観光 (Super Metropolis)
null
933
242
typical90_ce
083. Colorful Graph(★6)
null
928
243
joi2007ho_b
B. 最長の階段
null
928
244
joi2021_yo2_a
A. 往復すごろく (Round Sugoroku)
null
916
245
joisc2007_score
score. 得点 (Score)
null
903
246
jsc2019_final_a
A. Equal Weight
null
890
247
typical90_cj
088. Similar but Different Ways(★6)
null
879
248
past202005_i
I. Matrix Operations
null
859
249
mujin_pc_2018_c
C. 右折
null
845
250
joi2020ho_a
A. 長いだけのネクタイ (Just Long Neckties)
null
780
251
joi2006yo_a
A. JOI 2006 予選 問題1
null
764
252
past202010_i
I. ピザ
null
729
253
joi2013yo_e
E. 魚の生息範囲 (Fish)
null
725
254
joisc2007_mall
mall. ショッピングモール (Mall)
null
724
255
s8pc_5_a
A. Sushi 2
null
694
256
typical90_bg
059. Many Graph Queries(★7)
null
690
257
past201912_n
N. Land Clearing
null
690
258
joisc2014_h
H. JOIOJI
null
681
259
bitflyer2018_final_b
B. 交通費
null
648
260
iroha2019_day2_c
C. 陽気な妖姫
null
629
261
cpsco2019_s3_c
C. Camp Reception
null
604
262
past202104_f
F. Safety System
null
597
263
joisc2010_poster
poster. JOIポスター (JOI Poster)
null
596
264
joi2008ho_e
E. ペンキの色
null
588
265
joi2018ho_b
B. 美術展 (Art Exhibition)
null
567
266
joisc2010_contest
contest. コンテスト (Contest)
null
523
267
tkppc3_c
C. 新入生歓迎数列 - Easy
null
482
268
joisc2015_b
B. 愉快なロゴデザイン
null
475
269
bcu30_2019_a
A. Wolf Keyboard
null
439
270
jag2016secretspring_b
B. 豪邸と宅配便
null
425
271
joi2006yo_c
C. JOI 2006 予選 問題3
null
425
272
bitflyer2018_qual_d
D. ハンコ
null
412
273
joi2022_yo2_c
C. 国土分割 (Land Division)
null
407
274
tkppc4_1_f
F. 不便な橋
null
395
275
relay_c
C. Kode Festival
null
393
276
tkppc2015_c
C. お姉ちゃんって呼んで (Call me sister)
null
385
277
joi2009yo_e
E. シャッフル
null
349
278
donuts_live2014_1
A. 勤怠管理
null
345
279
past202012_o
O. Notification
null
320
280
jag2017summer_day3_a
A. Star in Parentheses
null
318
281
relay2_b
B. Evergrowing Tree
null
318
282
tkppc2016_c
C. 有給休暇(Paid Vacation)
null
311
283
qupc2014_c
C. 案内所
null
308
284
past202005_n
N. Swap and Sort
null
298
285
code_thanks_festival_2015_d
D. 暴露
null
291
286
code_thanks_festival_14_quala_e
E. 儀式
null
288
287
tkppc3_d
D. 巨大チェスボード
null
283
288
indeednow_2015_finalb_b
B. How are you?
null
279
289
joisc2010_aplusb
aplusb. 足し算 (a + b problem)
null
259
290
tkppc4_1_i
I. school competition 1
null
252
291
joisc2014_i
I. かかし
null
250
292
k4pc_b
B. コミュニケーション能力(Communication Ability)
null
222
293
qupc2018_e
E. Treeone
null
222
294
past202104_m
M. Equal Queries
null
221
295
kupc2012pr_4
D. A mul B Problem
null
198
296
donuts_live2014_3
C. ソーシャルゲーム
null
191
297
ddcc_2016_final_c
C. 01文字列
null
188
298
joisc2018_h
H. ビ太郎のパーティー (Bitaro's Party)
null
179
299
yahoo_procon2017_final_c
C. 倍数クエリ
null
164
300
past202212_n
N. Sequence and Function
null
149
301
dwango2017final_b
B. ニワンゴくんの約数
null
99
302
maximum_2013_j
J. ALPHAのならび
null
96
303
maximum_2013_e
E. Alicia's Rare card Challenge
null
92
304
tkppc4_2_f
F. Segtree☆Magica
null
89
305
code_thanks_festival_2015_h
H. 穴あきケーキ
null
86
306
kupc2012_6
F. Acceleration of Network
null
82
307
joisc2019_b
B. ビーバーの会合 (Meetings)
null
68
308
jsc2019_final_d
D. Minimize Maximum
null
65
309
utpc2012_08
H. 区間スケジューリングクエリ
null
64
310
wupc2019_h
H. Doki Doki Programming Clubs!
null
62
311
joi2006ho_e
E. JOI 2006 本選 問題5
null
54
312
maximum_2013_h
H. さいたまの矛盾
null
45
313
k2pc001_h5
E. 暗号化(Encipherment)
null
40
314
joisc2019_l
L. 鉱物 (Minerals)
null
37
315
wupc_09
I. その味は甘くて
null
31
316
pakencamp_2019_day4_f
F. イーハチはやる
null
26