Construct

# ID Name Difficulty Solver
1 arc117_a A. God Sequence -403 6294
2 abc021_a A. 足し算 -256 7626
3 abc135_b B. 0 or 1 Swap -195 14701
4 abc140_c C. Maximal Value 39 16433
5 abc007_2 B. 辞書式順序 195 9011
6 abc361_b C. Intersection of Cuboids 283 11568
7 codefestival_2016_qualB_b B. Qualification simulator 309 11098
8 abc135_c C. City Savers 323 14493
9 abc151_c C. Welcome to AtCoder 327 14670
10 abc269_c F. Submask 384 9708
11 abc335_d G. Loong and Takahashi 431 9537
12 abc362_c E. Sum = 0 521 11594
13 keyence2020_c C. Subarray Sum 625 6321
14 arc115_b B. Plus Matrix 629 4088
15 arc115_c C. ℕ Coloring 706 4200
16 dwango2016qual_b B. 積み鉛筆 750 2047
17 agc052_a A. Long Common Subsequence 779 2685
18 abc136_d D. Gathering Children 794 11045
19 arc080_b D. Grid Coloring 852 8028
20 code_festival_final_d D. パスカルの三角形 900 2134
21 ddcc2020_qual_c C. Strawberry Cakes 935 4316
22 agc036_a A. Triangle 939 4726
23 abc051_c C. Back and Forth 968 9159
24 codefestival_2016_final_b B. Exactly N points 968 4438
25 arc053_b B. 回文分割 984 2601
26 agc038_a A. 01 Matrix 989 4486
27 abc039_d D. 画像処理高橋君 1039 3580
28 arc118_c C. Coprime Set 1151 3459
29 abc109_d D. Make Them Even 1172 6128
30 arc106_c C. Solutions 1225 3550
31 abc096_d D. Five, Five Everywhere 1226 6357
32 diverta2019_2_c C. Successive Subtraction 1226 3486
33 arc135_b B. Sum of Three Terms 1239 2807
34 agc032_b B. Balanced Neighbors 1259 3611
35 agc056_a A. Three Cells per Row and Column 1290 1651
36 agc053_a A. >< again 1339 1668
37 arc069_b D. Menagerie 1344 5254
38 agc055_a A. ABC Identity 1348 1380
39 tenka1_2018_d D. Crossing 1351 3496
40 arc149_c C. Avoid Prime Sum 1415 2026
41 abc131_e E. Friendships 1433 5246
42 arc093_b D. Grid Components 1445 4222
43 code_formula_2014_final_f F. 100個の円 1447 847
44 arc108_c C. Keep Graph Connected 1460 3132
45 abc251_d G. At Most 3 (Contestant ver.) 1463 5746
46 arc079_b D. Decrease (Contestant ver.) 1545 4029
47 arc086_b D. Non-decreasing 1567 4160
48 agc002_c C. Knot Puzzle 1570 3950
49 arc127_b B. Ternary Strings 1594 1708
50 agc006_b B. Median Pyramid Easy 1600 3239
51 agc007_b B. Construct Sequences 1611 3037
52 abc165_e E. Rotation Matching 1620 3820
53 agc022_b B. GCD Sequence 1645 2260
54 arc129_c C. Multiple of 7 1687 1517
55 arc103_c E. Tr/ee 1722 2629
56 arc138_c C. Rotate and Play Game 1728 1846
57 agc051_b B. Bowling 1759 1029
58 agc013_b B. Hamiltonish Path 1763 2328
59 abc126_f F. XOR Matching 1770 4002
60 agc036_b B. Do Not Duplicate 1771 1621
61 arc102_b D. All Your Paths are Different Lengths 1810 3086
62 arc122_c C. Calculator 1818 1720
63 arc121_c C. Odd Even Sort 1856 1512
64 abc178_f F. Contrast 1877 2756
65 arc091_c E. LISDL 1889 1911
66 agc010_b B. Boxes 1892 2696
67 jsc2019_qual_d D. Classified 1924 1422
68 agc050_a A. AtCoder Jumper 1973 2016
69 agc005_c C. Tree Restoring 1976 2655
70 arc120_d D. Bracket Score 2 1996 1763
71 hitachi2020_c C. ThREE 2013 1965
72 agc016_c C. +/- Rectangle 2017 2124
73 arc111_d D. Orientation 2064 1560
74 tenka1_2014_qualB_c C. 天下一王国の歴史 2065 299
75 abc140_f F. Many Slimes 2105 2028
76 arc117_d D. Miracle Tree 2115 1641
77 keyence2021_d D. Choosing Up Sides 2115 938
78 agc008_d D. K-th K 2164 1959
79 arc063_c E. Integers on a Tree 2198 1688
80 agc031_c C. Differ by 1 Bit 2217 1288
81 tenka1_2013_qualB_e E. 天下一最短路コンテスト 2217 303
82 agc041_c C. Domino Quality 2220 1151
83 nikkei2019_2_qual_e E. Non-triangular Triplets 2257 776
84 agc035_c C. Skolem XOR Tree 2332 1506
85 arc044_d D. suffix array 2335 355
86 keyence2020_e E. Bichromization 2340 660
87 agc004_c C. AND Grid 2367 2470
88 code_festival_2017_quala_d D. Four Coloring 2445 1021
89 arc118_d D. Hamiltonian Cycle 2448 735
90 arc024_4 D. バス停 2496 197
91 arc122_e E. Increasing LCMs 2535 1454
92 code_formula_2014_final_g G. ノイハの塔 2588 79
93 cf17_final_f F. Distribute Numbers 2641 448
94 abc135_e E. Golf 2665 1003
95 arc103_b D. Robot Arms 2677 2127
96 abc164_f F. I hate Matrix Construction 2683 623
97 arc110_f F. Esoswap 2719 998
98 arc019_4 D. ほんとうのたたかい 2730 287
99 agc012_c C. Tautonym Puzzle 2731 1505
100 hitachi2020_e E. Odd Sum Rectangles 2732 430
101 arc089_c E. GraphXY 2815 700
102 arc103_d F. Distance Sums 2836 1607
103 agc025_d D. Choosing Points 2868 1233
104 agc021_c C. Tiling 2886 677
105 agc047_e E. Product Simulation 2979 615
106 agc020_d D. Min Max Repetition 3062 869
107 agc030_c C. Coloring Torus 3207 1068
108 code_festival_2017_qualb_f F. Largest Smallest Cyclic Shift 3266 677
109 diverta2019_2_f F. Diverta City 3306 177
110 arc070_d F. HonestOrUnkind 3365 950
111 dfs_a A. 深さ優先探索 null 11136
112 agc001_d D. Arrays and Palindrome null 1587
113 past202005_f F. Palindromic Matrix null 1041
114 iroha2019_day1_f F. Head of The Dragon null 949
115 code_festival_2018_qualb_c C. Special Cake for CODE FESTIVAL null 790
116 ttpc2019_c C. XOR Filling null 548
117 kupc2020_c C. Grid and Substrings null 453
118 tenka1_2016_qualA_c C. 山田山本問題 null 446
119 ddcc2019_final_b B. 大吉数列 (Array of Fortune) null 382
120 kupc2015_b B. GUARDIANS null 373
121 iroha2019_day3_i I. Prime or Not null 331
122 ttpc2019_e E. N法陣 null 315
123 code_thanks_festival_2018_f F. Coins on the tree null 292
124 dwacon6th_final_a A. 2525敷き詰め null 258
125 pakencamp_2019_day4_d D. リミックスジュース null 206
126 kupc2020_d D. Stick Combination null 193
127 cf16_exhibition_final_g G. FESTIVAL null 188
128 pakencamp_2019_day2_a A. パ研君と塗り絵 null 171
129 iroha2019_day3_c C. Not Say "NO" null 169
130 yahoo_procon2018_final_b B. 経路が色々 null 146
131 kupc2019_g G. ABCのG問題 null 135
132 iroha2019_day4_a A. あるよるのできごと null 130
133 joisc2019_c C. ナン (Naan) null 123
134 xmascon16_b B. Binary Tree null 122
135 iroha2019_day3_l L. デクレッシェンド null 111
136 colopl2018_qual_e E. すぬけそだて――わっか―― null 110
137 ttpc2019_o O. oneesan puzzle null 108
138 relay_i I. 3y3s Challenge null 105
139 relay_j J. Connected Checkerboard null 99
140 tenka1_2016_qualA_d D. グラフィカルグラフ null 92
141 iroha2019_day3_h H. 〔経験値〕 null 92
142 jag2017autumn_f F. RPG Maker null 88
143 pakencamp_2018_day2_f F. 同一経路　(Samepath) null 78
144 kupc2017_g G. encode/decode 2017 null 65
145 qupc2018_h H. ukuku null 65
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 47
148 iroha2019_day4_h H. 永遠に null 43
149 xmascon19_b B. Set of Integers null 25