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Construct
#
ID
Name
Difficulty
Solver
1
arc117_a
A. God Sequence
-403
6052
2
abc021_a
A. 足し算
-256
7083
3
abc135_b
B. 0 or 1 Swap
-195
13907
4
abc140_c
C. Maximal Value
39
15445
5
abc007_2
B. 辞書式順序
195
8406
6
abc361_b
B. Intesection of Cuboids
283
10317
7
codefestival_2016_qualB_b
B. Qualification simulator
309
9649
8
abc135_c
C. City Savers
323
13645
9
abc151_c
C. Welcome to AtCoder
327
13811
10
abc269_c
C. Submask
384
8520
11
abc335_d
D. Loong and Takahashi
431
8577
12
abc362_c
C. Sum = 0
521
9942
13
keyence2020_c
C. Subarray Sum
625
6043
14
arc115_b
B. Plus Matrix
629
3859
15
arc115_c
C. ℕ Coloring
706
3945
16
dwango2016qual_b
B. 積み鉛筆
750
1991
17
agc052_a
A. Long Common Subsequence
779
2265
18
abc136_d
D. Gathering Children
794
10220
19
arc080_b
D. Grid Coloring
852
7497
20
code_festival_final_d
D. パスカルの三角形
900
2043
21
ddcc2020_qual_c
C. Strawberry Cakes
935
4128
22
agc036_a
A. Triangle
939
4503
23
abc051_c
C. Back and Forth
968
8613
24
codefestival_2016_final_b
B. Exactly N points
968
4227
25
arc053_b
B. 回文分割
984
2524
26
agc038_a
A. 01 Matrix
989
4331
27
abc039_d
D. 画像処理高橋君
1039
3347
28
arc118_c
C. Coprime Set
1151
3240
29
abc109_d
D. Make Them Even
1172
5607
30
arc106_c
C. Solutions
1225
3367
31
abc096_d
D. Five, Five Everywhere
1226
5722
32
diverta2019_2_c
C. Successive Subtraction
1226
3389
33
arc135_b
B. Sum of Three Terms
1239
2665
34
agc032_b
B. Balanced Neighbors
1259
3402
35
agc056_a
A. Three Cells per Row and Column
1290
1558
36
agc053_a
A. >< again
1339
1569
37
arc069_b
D. Menagerie
1344
4890
38
agc055_a
A. ABC Identity
1348
1300
39
tenka1_2018_d
D. Crossing
1351
3319
40
arc149_c
C. Avoid Prime Sum
1415
1890
41
abc131_e
E. Friendships
1433
4876
42
arc093_b
D. Grid Components
1445
4013
43
code_formula_2014_final_f
F. 100個の円
1447
821
44
arc108_c
C. Keep Graph Connected
1460
2924
45
abc251_d
D. At Most 3 (Contestant ver.)
1463
5074
46
arc079_b
D. Decrease (Contestant ver.)
1545
3762
47
arc086_b
D. Non-decreasing
1567
3908
48
agc002_c
C. Knot Puzzle
1570
3610
49
arc127_b
B. Ternary Strings
1594
1580
50
agc006_b
B. Median Pyramid Easy
1600
2945
51
agc007_b
B. Construct Sequences
1611
2739
52
abc165_e
E. Rotation Matching
1620
3629
53
agc022_b
B. GCD Sequence
1645
2108
54
arc129_c
C. Multiple of 7
1687
1374
55
arc103_c
E. Tr/ee
1722
2442
56
arc138_c
C. Rotate and Play Game
1728
1689
57
agc051_b
B. Bowling
1759
954
58
agc013_b
B. Hamiltonish Path
1763
2198
59
abc126_f
F. XOR Matching
1770
3649
60
agc036_b
B. Do Not Duplicate
1771
1560
61
arc102_b
D. All Your Paths are Different Lengths
1810
2874
62
arc122_c
C. Calculator
1818
1555
63
arc121_c
C. Odd Even Sort
1856
1402
64
abc178_f
F. Contrast
1877
2526
65
arc091_c
E. LISDL
1889
1774
66
agc010_b
B. Boxes
1892
2418
67
jsc2019_qual_d
D. Classified
1924
1360
68
agc050_a
A. AtCoder Jumper
1973
1511
69
agc005_c
C. Tree Restoring
1976
2215
70
arc120_d
D. Bracket Score 2
1996
1464
71
hitachi2020_c
C. ThREE
2013
1853
72
agc016_c
C. +/- Rectangle
2017
1771
73
arc111_d
D. Orientation
2064
1345
74
tenka1_2014_qualB_c
C. 天下一王国の歴史
2065
287
75
abc140_f
F. Many Slimes
2105
1871
76
arc117_d
D. Miracle Tree
2115
1375
77
keyence2021_d
D. Choosing Up Sides
2115
898
78
agc008_d
D. K-th K
2164
1704
79
arc063_c
E. Integers on a Tree
2198
1516
80
agc031_c
C. Differ by 1 Bit
2217
1152
81
tenka1_2013_qualB_e
E. 天下一最短路コンテスト
2217
296
82
agc041_c
C. Domino Quality
2220
1057
83
nikkei2019_2_qual_e
E. Non-triangular Triplets
2257
756
84
agc035_c
C. Skolem XOR Tree
2332
1363
85
arc044_d
D. suffix array
2335
284
86
keyence2020_e
E. Bichromization
2340
632
87
agc004_c
C. AND Grid
2367
2110
88
code_festival_2017_quala_d
D. Four Coloring
2445
925
89
arc118_d
D. Hamiltonian Cycle
2448
660
90
arc024_4
D. バス停
2496
183
91
arc122_e
E. Increasing LCMs
2535
984
92
code_formula_2014_final_g
G. ノイハの塔
2588
73
93
cf17_final_f
F. Distribute Numbers
2641
403
94
abc135_e
E. Golf
2665
903
95
arc103_b
D. Robot Arms
2677
1926
96
abc164_f
F. I hate Matrix Construction
2683
575
97
arc110_f
F. Esoswap
2719
776
98
arc019_4
D. ほんとうのたたかい
2730
274
99
agc012_c
C. Tautonym Puzzle
2731
1238
100
hitachi2020_e
E. Odd Sum Rectangles
2732
369
101
arc089_c
E. GraphXY
2815
617
102
arc103_d
F. Distance Sums
2836
1302
103
agc025_d
D. Choosing Points
2868
992
104
agc021_c
C. Tiling
2886
607
105
agc047_e
E. Product Simulation
2979
468
106
agc020_d
D. Min Max Repetition
3062
774
107
agc030_c
C. Coloring Torus
3207
802
108
code_festival_2017_qualb_f
F. Largest Smallest Cyclic Shift
3266
567
109
diverta2019_2_f
F. Diverta City
3306
172
110
arc070_d
F. HonestOrUnkind
3365
661
111
dfs_a
A. 深さ優先探索
null
9932
112
agc001_d
D. Arrays and Palindrome
null
1362
113
past202005_f
F. Palindromic Matrix
null
956
114
iroha2019_day1_f
F. Head of The Dragon
null
919
115
code_festival_2018_qualb_c
C. Special Cake for CODE FESTIVAL
null
788
116
ttpc2019_c
C. XOR Filling
null
545
117
tenka1_2016_qualA_c
C. 山田山本問題
null
446
118
kupc2020_c
C. Grid and Substrings
null
437
119
ddcc2019_final_b
B. 大吉数列 (Array of Fortune)
null
378
120
kupc2015_b
B. GUARDIANS
null
371
121
ttpc2019_e
E. N法陣
null
308
122
iroha2019_day3_i
I. Prime or Not
null
297
123
code_thanks_festival_2018_f
F. Coins on the tree
null
289
124
dwacon6th_final_a
A. 2525敷き詰め
null
253
125
pakencamp_2019_day4_d
D. リミックスジュース
null
203
126
kupc2020_d
D. Stick Combination
null
186
127
cf16_exhibition_final_g
G. FESTIVAL
null
183
128
iroha2019_day3_c
C. Not Say "NO"
null
166
129
pakencamp_2019_day2_a
A. パ研君と塗り絵
null
161
130
yahoo_procon2018_final_b
B. 経路が色々
null
134
131
kupc2019_g
G. ABCのG問題
null
127
132
iroha2019_day4_a
A. あるよるのできごと
null
126
133
xmascon16_b
B. Binary Tree
null
116
134
colopl2018_qual_e
E. すぬけそだて――わっか――
null
107
135
ttpc2019_o
O. oneesan puzzle
null
105
136
relay_i
I. 3y3s Challenge
null
102
137
iroha2019_day3_l
L. デクレッシェンド
null
99
138
relay_j
J. Connected Checkerboard
null
99
139
joisc2019_c
C. ナン (Naan)
null
92
140
tenka1_2016_qualA_d
D. グラフィカルグラフ
null
90
141
iroha2019_day3_h
H. 〔経験値〕
null
84
142
jag2017autumn_f
F. RPG Maker
null
83
143
pakencamp_2018_day2_f
F. 同一経路 (Samepath)
null
75
144
kupc2017_g
G. encode/decode 2017
null
63
145
qupc2018_h
H. ukuku
null
55
146
cf16_exhibition_final_i
I. 90 and 270
null
50
147
kupc2018_g
G. 数列を構成する問題
null
46
148
iroha2019_day4_h
H. 永遠に
null
41
149
xmascon19_b
B. Set of Integers
null
23