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#
ID
Name
Difficulty
Solver
1
abc332_a
A. Online Shopping
-1099
11821
2
abc285_a
A. Edge Checker 2
-1022
12348
3
abc343_a
A. Wrong Answer
-960
15090
4
abc160_b
B. Golden Coins
-811
20273
5
abc238_a
A. Exponential or Quadratic
-689
13660
6
arc131_a
A. Two Lucky Numbers
-529
4263
7
abc154_c
C. Distinct or Not
-333
15536
8
codefestival_2015_qualB_a
A. Double String
-314
2319
9
abc062_a
A. Grouping
-257
9303
10
abc232_b
B. Caesar Cipher
-234
9328
11
agc030_a
A. Poisonous Cookies
-197
5940
12
abc337_b
B. Extended ABC
-165
12230
13
arc131_b
B. Grid Repainting 4
-158
3522
14
arc144_a
A. Digit Sum of 2x
-136
4650
15
abc330_b
B. Minimize Abs 1
-88
10229
16
arc109_a
A. Hands
-86
6264
17
abc139_b
B. Power Socket
-71
20904
18
arc130_a
A. Remove One Character
-68
3720
19
agc054_a
A. Remove Substrings
-62
3077
20
abc153_d
D. Caracal vs Monster
-52
15658
21
arc143_a
A. Three Integers
-42
4182
22
arc167_a
A. Toasts for Breakfast Party
3
3732
23
abc285_c
C. abc285_brutmhyhiizp
25
9207
24
arc146_a
A. Three Cards
32
4513
25
abc244_d
D. Swap Hats
47
8711
26
abc152_c
C. Low Elements
59
14717
27
arc168_a
A. <Inversion>
64
2964
28
arc123_a
A. Arithmetic Sequence
73
5020
29
abc148_d
D. Brick Break
85
12914
30
m_solutions2020_c
C. Marks
131
7924
31
codefestival_2015_qualA_b
B. とても長い数列
171
2400
32
tenka1_2017_b
B. Different Distribution
188
3793
33
abc329_d
D. Election Quick Report
232
8751
34
agc041_a
A. Table Tennis Training
245
6991
35
abc189_b
B. Alcoholic
249
14815
36
abc115_c
C. Christmas Eve
273
11547
37
keyence2021_b
B. Mex Boxes
295
4787
38
arc094_a
C. Same Integers
301
10573
39
code_formula_2014_qualA_b
B. ボウリングゲーム
308
1758
40
abc214_c
C. Distribution
309
10282
41
abc108_b
B. Ruined Square
310
10166
42
abc336_c
C. Even Digits
339
8549
43
abc128_b
B. Guidebook
347
15069
44
abc223_c
C. Doukasen
351
8426
45
arc105_b
B. MAX-=min
365
5899
46
abc221_c
C. Select Mul
378
9728
47
arc089_a
C. Traveling
397
32912
48
abc198_c
C. Compass Walking
413
10826
49
abc175_c
C. Walking Takahashi
417
12904
50
abc303_c
C. Dash
417
7963
51
abc106_c
C. To Infinity
441
10262
52
arc125_a
A. Dial Up
442
3553
53
agc040_a
A. ><
443
7144
54
abc335_c
C. Loong Tracking
452
8160
55
abc073_c
C. Write and Erase
454
11028
56
abc345_c
C. One Time Swap
469
8374
57
agc012_a
A. AtCoder Group Contest
474
7720
58
abc088_c
C. Takahashi's Information
477
11099
59
tenka1_2015_qualA_a
A. 展開図プログラマーコンテスト
488
1953
60
agc019_a
A. Ice Tea Store
509
6718
61
arc073_a
C. Sentou
512
9937
62
arc091_a
C. Flip,Flip, and Flip......
514
9392
63
agc039_a
A. Connection and Disconnection
517
5475
64
arc109_b
B. log
524
5840
65
abc039_c
C. ピアニスト高橋君
524
4924
66
abc254_c
C. K Swap
536
9010
67
arc077_a
C. pushpush
552
9661
68
abc064_c
C. Colorful Leaderboard
559
9931
69
arc069_a
C. Scc Puzzle
561
9558
70
arc095_a
C. Many Medians
566
9436
71
abc230_c
C. X drawing
566
7200
72
arc093_a
C. Traveling Plan
577
8887
73
arc080_a
C. 4-adjacent
578
9561
74
arc099_a
C. Minimization
579
11423
75
abc165_d
D. Floor Function
600
12049
76
abc117_c
C. Streamline
612
9978
77
keyence2020_c
C. Subarray Sum
625
5889
78
abc123_c
C. Five Transportations
643
10303
79
abc187_d
D. Choose Me
650
9921
80
arc082_b
D. Derangement
656
8125
81
agc034_a
A. Kenken Race
662
5483
82
abc004_3
C. 入れ替え
685
6256
83
abc166_d
D. I hate Factorization
694
12398
84
panasonic2020_c
C. Sqrt Inequality
701
9277
85
abc182_d
D. Wandering
701
8638
86
arc115_c
C. ℕ Coloring
706
3794
87
abc047_b
B. Snuke's Coloring 2 (ABC Edit)
726
9769
88
arc070_a
C. Go Home
731
8884
89
arc068_a
C. X: Yet Another Die Game
745
8434
90
abc180_d
D. Takahashi Unevolved
752
8468
91
arc063_a
C. 1D Reversi
755
8763
92
abc033_c
C. 数式の書き換え
755
4919
93
abc184_c
C. Super Ryuma
782
8413
94
agc007_a
A. Shik and Stone
792
5114
95
abc287_d
D. Match or Not
796
5824
96
abc061_c
C. Big Array
808
8691
97
arc127_a
A. Leading 1s
808
2638
98
arc006_2
B. あみだくじ
814
2511
99
abc245_d
D. Polynomial division
815
6647
100
arc009_2
B. おとぎの国の高橋君
830
2501
101
abc125_d
D. Flipping Signs
833
9877
102
cf_2015_morning_easy_c
C. ヘイホー君と最終試験
841
1721
103
abc076_c
C. Dubious Document 2
846
8943
104
arc043_a
A. 点数変換
850
2795
105
arc080_b
D. Grid Coloring
852
7222
106
abc048_b
B. Between a and b ...
861
11574
107
abc127_d
D. Integer Cards
887
9793
108
abc084_c
C. Special Trains
908
6903
109
arc011_2
B. ルイス・キャロルの記憶術
917
2354
110
abc238_d
D. AND and SUM
921
6465
111
abc134_d
D. Preparing Boxes
926
8151
112
abc133_d
D. Rain Flows into Dams
938
8562
113
arc128_b
B. Balls of Three Colors
941
2910
114
abc342_d
D. Square Pair
944
5960
115
arc066_a
C. Lining Up
952
7714
116
abc051_c
C. Back and Forth
968
8289
117
abc233_e
E. Σ[k=0..10^100]floor(X/10^k)
969
5237
118
abc249_d
D. Index Trio
983
5860
119
arc053_b
B. 回文分割
984
2471
120
arc005_2
B. P-CASカードと高橋君
998
2323
121
arc020_2
B. 縞模様
1008
2227
122
arc051_b
B. 互除法
1032
2344
123
abc160_e
E. Red and Green Apples
1036
8769
124
arc041_b
B. アメーバ
1044
2195
125
apc001_b
B. Two Arrays
1049
3857
126
abc178_e
E. Dist Max
1054
7257
127
abc166_e
E. This Message Will Self-Destruct in 5s
1062
8430
128
abc191_c
C. Digital Graffiti
1063
7007
129
abc140_d
D. Face Produces Unhappiness
1074
7119
130
arc068_b
D. Card Eater
1084
6401
131
arc017_2
B. 解像度が低い。
1085
2368
132
arc100_a
C. Linear Approximation
1089
8613
133
agc034_b
B. ABC
1101
4531
134
arc010_2
B. 超大型連休
1107
1825
135
arc023_2
B. 謎の人物X
1111
2161
136
arc036_b
B. 山のデータ
1112
2044
137
arc040_b
B. 直線塗り
1113
2100
138
arc004_2
B. 2点間距離の最大と最小 ( Maximum and Minimum )
1118
2887
139
abc305_e
E. Art Gallery on Graph
1158
4319
140
arc121_b
B. RGB Matching
1159
2897
141
arc058_a
C. Iroha's Obsession
1174
11852
142
agc048_a
A. atcoder < S
1187
2571
143
abc001_3
C. 風力観測
1189
5606
144
indeednow_2015_quala_3
C. 説明会
1200
1667
145
code_festival_2017_quala_c
C. Palindromic Matrix
1203
3463
146
abc176_e
E. Bomber
1204
6381
147
arc019_2
B. こだわりの名前
1209
2028
148
arc074_a
C. Chocolate Bar
1223
5928
149
diverta2019_2_c
C. Successive Subtraction
1226
3330
150
agc014_b
B. Unplanned Queries
1236
3676
151
agc024_b
B. Backfront
1259
3842
152
arc014_3
C. 魂の還る場所
1266
1959
153
agc024_c
C. Sequence Growing Easy
1279
3260
154
abc308_f
F. Vouchers
1284
3741
155
arc172_b
B. AtCoder Language
1284
1560
156
arc024_2
B. 赤と黒の木
1293
1712
157
code_festival_qualB_c
C. 錬金術士
1298
1314
158
abc114_d
D. 756
1337
4760
159
arc069_b
D. Menagerie
1344
4692
160
arc062_a
C. AtCoDeer and Election Report
1346
6210
161
abc169_e
E. Count Median
1353
5460
162
digitalarts_2
B. Password
1373
1086
163
agc023_b
B. Find Symmetries
1434
2535
164
arc093_b
D. Grid Components
1445
3884
165
abc175_d
D. Moving Piece
1491
4564
166
arc096_b
D. Static Sushi
1526
3699
167
sumitb2019_f
F. Interval Running
1526
2281
168
agc003_c
C. BBuBBBlesort!
1541
3424
169
arc079_b
D. Decrease (Contestant ver.)
1545
3611
170
arc086_b
D. Non-decreasing
1567
3741
171
abc282_e
E. Choose Two and Eat One
1604
3044
172
abc173_e
E. Multiplication 4
1607
3926
173
agc038_b
B. Sorting a Segment
1615
2079
174
ddcc2020_qual_d
D. Digit Sum Replace
1617
2427
175
abc165_e
E. Rotation Matching
1620
3487
176
agc016_b
B. Colorful Hats
1626
2603
177
agc017_b
B. Moderate Differences
1627
2567
178
arc071_b
D. ###
1641
3842
179
abc227_d
D. Project Planning
1643
3696
180
agc022_b
B. GCD Sequence
1645
2024
181
arc088_b
D. Wide Flip
1646
3789
182
abc196_e
E. Filters
1650
2705
183
abc166_f
F. Three Variables Game
1668
3322
184
codefestival_2016_final_d
D. Pair Cards
1671
1461
185
abc031_d
D. 語呂合わせ
1688
1464
186
abc013_3
C. 節制
1692
2444
187
agc026_b
B. rng_10s
1720
2000
188
agc040_b
B. Two Contests
1722
1610
189
codefestival_2015_qualA_d
D. 壊れた電車
1723
1205
190
arc071_c
E. TrBBnsformBBtion
1739
2088
191
arc079_c
E. Decrease (Judge ver.)
1745
1959
192
agc036_b
B. Do Not Duplicate
1771
1519
193
hhkb2020_d
D. Squares
1804
1789
194
arc041_c
C. ウサギ跳び
1808
861
195
arc128_c
C. Max Dot
1810
1341
196
abc280_f
F. Pay or Receive
1819
1877
197
arc126_c
C. Maximize GCD
1824
1712
198
agc004_b
B. Colorful Slimes
1871
2835
199
agc044_b
B. Joker
1883
1623
200
abc076_d
D. AtCoder Express
1884
2025
201
diverta2019_2_d
D. Squirrel Merchant
1884
1464
202
agc010_b
B. Boxes
1892
2328
203
arc051_c
C. 掛け算
1898
934
204
mujin_pc_2017_a
A. Robot Racing
1900
1124
205
code_formula_2014_qualB_d
D. お釣りの嫌いな高橋君
1939
435
206
agc043_b
B. 123 Triangle
1945
1739
207
agc008_c
C. Tetromino Tiling
1953
1859
208
agc050_a
A. AtCoder Jumper
1973
1334
209
arc108_d
D. AB
1987
1430
210
tenka1_2013_qualA_c
C. 天下一二三パズル
1988
321
211
m_solutions2020_f
F. Air Safety
2005
1154
212
arc124_d
D. Yet Another Sorting Problem
2008
1066
213
agc016_c
C. +/- Rectangle
2017
1698
214
agc025_c
C. Interval Game
2057
1298
215
agc055_b
B. ABC Supremacy
2059
833
216
tenka1_2014_qualB_c
C. 天下一王国の歴史
2065
283
217
abc027_d
D. ロボット
2088
1097
218
arc127_c
C. Binary Strings
2092
893
219
code_formula_2014_final_e
E. ab文字列
2092
233
220
tenka1_2015_qualA_b
B. stepモード
2115
239
221
agc048_c
C. Penguin Skating
2120
843
222
abc156_f
F. Modularness
2150
1293
223
mujin_pc_2017_b
B. Row to Column
2177
830
224
agc049_c
C. Robots
2177
692
225
digitalarts_3
C. Chokutter
2179
282
226
agc041_c
C. Domino Quality
2220
1018
227
arc036_d
D. 偶数メートル
2227
692
228
agc015_c
C. Nuske vs Phantom Thnook
2241
1688
229
caddi2018_c
E. Negative Doubling
2327
560
230
arc044_d
D. suffix array
2335
256
231
agc030_b
B. Tree Burning
2342
895
232
agc004_c
C. AND Grid
2367
1925
233
abc147_f
F. Sum Difference
2393
1102
234
arc109_d
D. L
2394
672
235
arc082_d
F. Sandglass
2429
851
236
arc073_c
E. Ball Coloring
2434
1187
237
arc095_c
E. Symmetric Grid
2441
816
238
arc047_b
B. 同一円周上
2455
474
239
agc013_c
C. Ants on a Circle
2462
1457
240
arc007_4
D. 破れた宿題
2491
157
241
code_festival_2017_qualb_d
D. 101 to 010
2499
606
242
agc019_d
D. Shift and Flip
2601
808
243
arc095_d
F. Permutation Tree
2626
678
244
arc120_e
E. 1D Party
2653
487
245
arc072_c
E. Alice in linear land
2655
818
246
codefestival_2016_qualA_d
D. Grid and Integers
2684
528
247
arc106_f
F. Figures
2755
671
248
arc121_d
D. 1 or 2
2784
872
249
arc113_e
E. Rvom and Rsrev
2789
340
250
panasonic2020_f
F. Fractal Shortest Path
2834
273
251
arc103_d
F. Distance Sums
2836
1164
252
agc047_d
D. Twin Binary Trees
2910
462
253
agc031_d
D. A Sequence of Permutations
2975
573
254
agc003_e
E. Sequential operations on Sequence
2983
1124
255
agc026_e
E. Synchronized Subsequence
3016
640
256
agc020_d
D. Min Max Repetition
3062
697
257
agc006_e
E. Rotate 3x3
3101
792
258
arc111_f
F. Do you like query problems?
3119
312
259
agc017_c
C. Snuke and Spells
3133
820
260
arc021_4
D. だいたい最小全域木
3152
64
261
diverta2019_2_f
F. Diverta City
3306
164
262
arc070_d
F. HonestOrUnkind
3365
576
263
agc054_d
D. (ox)
3426
176
264
arc102_d
F. Revenge of BBuBBBlesort!
3464
585
265
agc041_e
E. Balancing Network
3502
303
266
agc015_e
E. Mr.Aoki Incubator
3571
681
267
typical90_ag
033. Not Too Bright(★2)
null
6712
268
past201912_h
H. Bulk Selling
null
2068
269
joi2013ho1
1. 電飾 (Illumination)
null
1459
270
chokudai_S001_f
F. 見える数
null
1361
271
joi2008ho_a
A. 碁石ならべ
null
1252
272
past201912_j
J. Leveling
null
1165
273
joi2007yo_e
E. 品質検査
null
1010
274
typical90_bv
074. ABC String 2(★6)
null
1009
275
nikkei2019ex_d
D. 辞書順最小の数
null
966
276
joi2017ho_a
A. フェーン現象 (Foehn Phenomena)
null
899
277
nikkei2019_2_final_a
A. Count Triplets
null
887
278
chokudai_S002_i
I. カツサンドくん β
null
881
279
jsc2019_final_a
A. Equal Weight
null
870
280
soundhound2018_summer_final_a
A. Feel the Beat
null
867
281
joi2011yo_c
C. タイル (Tile)
null
861
282
colopl2018_final_a
A. ファイティング・タカハシ
null
764
283
colopl2018_qual_c
C. すぬけそだて――ごはん――
null
761
284
ddcc2019_final_a
A. レース (Race)
null
720
285
joig2021_c
C. イルミネーション 2 (Illumination 2)
null
672
286
nikkei2019ex_e
F. コラッツ問題
null
638
287
joi2009ho_a
A. IOIOI
null
630
288
joi2016yo_d
D. JOI国のお散歩事情 (Walking in JOI Kingdom)
null
610
289
chokudai_S001_l
L. N回スワップ
null
599
290
utpc2011_2
B. (iwi)
null
561
291
nikkei2019_2_final_b
B. NIKKEI String
null
489
292
cpsco2019_s3_d
D. Decode RGB Sequence
null
488
293
past202010_l
L. マンションの改築
null
476
294
tkppc4_1_d
D. スキップ
null
452
295
wupc2019_b
B. 10 puzzle
null
420
296
njpc2017_b
B. 格子グラフ
null
376
297
joi2009ho_c
C. あみだくじ
null
373
298
otemae2019_c
C. カード並べ 2 (Arranging Card 2)
null
372
299
kupc2012pr_1
A. Wikipedia
null
369
300
colopl2018_qual_d
D. すぬけそだて――トレーニング――
null
342
301
s8pc_4_a
A. Atcoder Handles
null
341
302
cf_2015_relay_d
D. ピザ
null
331
303
relay_f
F. Trichotomy
null
311
304
dwacon2018_final_a
A. アナログ時計
null
287
305
code_festival_2018_final_d
D. Three Letters
null
267
306
iroha2019_day4_b
B. 叫び声
null
250
307
dwacon6th_final_a
A. 2525敷き詰め
null
248
308
code_festival_relay_d
D. FU
null
230
309
relay2_d
D. Shock
null
226
310
codefestival_2015_final_e
E. ショートコーディング
null
201
311
past202104_m
M. Equal Queries
null
199
312
code_festival_relay_e
E. 変な足し算
null
198
313
wupc2019_c
C. Permutation City
null
185
314
ddcc_2016_final_c
C. 01文字列
null
185
315
kupc2017_d
D. Sanmoku
null
165
316
arc001_4
D. レースゲーム
null
157
317
pakencamp_2019_day3_e
E. 大きなクリスマスプレゼント
null
150
318
donuts_live2014_2
B. 7th
null
147
319
kupc2014_c
C. 占い
null
146
320
kupc2012_7
G. 村
null
140
321
kupc2014_j
J. カード
null
133
322
cpsco2019_s4_e
E. ox Concatenation
null
132
323
xmascon19_j
J. Sub-Post Correspondence Problem
null
128
324
iroha2019_day3_d
D. おにごっこ
null
127
325
icpc2015summer_day2_b
B. 監獄
null
120
326
kupc2012_8
H. 植林
null
107
327
maximum_2013_a
A. 特別作戦
null
101
328
tenka1_2016_qualA_d
D. グラフィカルグラフ
null
89
329
iroha2019_day3_b
B. ゐろはちゃん
null
64
330
wtf19_d
D. Distinct Boxes
null
63
331
iroha2019_day3_k
K. えそらんぐ
null
61
332
arc047_d
D. ナナメクエリ
null
57
333
joisc2012_rotate
rotate. 回転
null
42
334
arc055_d
D. 隠された等差数列
null
24
335
dwacon6th_final_d
D. Three Safes
null
2