Data-Structure

# ID Name Difficulty Solver
1 abc240_b B. Count Distinct Integers -819 15220
2 abc245_b B. Mex -523 14866
3 abc241_b B. Pasta -503 14960
4 abc293_b B. Call the ID Number -328 12828
5 abc236_c C. Route Map -245 13847
6 abc164_c C. gacha -241 20135
7 abc085_b B. Kagami Mochi -106 60323
8 abc295_c C. Socks -75 12499
9 abc314_b B. Roulette -34 12146
10 abc296_c C. Gap Existence 38 12332
11 abc244_c C. Yamanote Line Game 46 10683
12 abc261_c C. NewFolder(1) 79 11988
13 abc291_c C. LRUD Instructions 2 97 11068
14 abc226_b B. Counting Arrays 107 12087
15 abc344_c C. A+B+C 131 14465
16 abc155_c C. Poll 189 17076
17 abc251_c C. Poem Online Judge 205 10822
18 abc235_c C. The Kth Time Query 210 11821
19 arc019_1 A. お買い物クライシス 219 2861
20 hhkb2020_c C. Neq Min 349 7438
21 abc262_c C. Min Max Pair 360 9990
22 abc325_c C. Sensors 400 9876
23 abc243_c C. Collision 2 409 10723
24 abc343_d D. Diversity of Scores 422 11352
25 abl_c C. Connect Cities 435 6981
26 abc288_c C. Don’t be cycle 436 9240
27 abc073_c C. Write and Erase 454 12582
28 abc287_c C. Path Graph? 466 9068
29 abc247_d D. Cylinder 468 10442
30 abc345_c C. One Time Swap 469 11128
31 abc234_d D. Prefix K-th Max 503 10406
32 abc342_c C. Many Replacement 505 11421
33 abc237_d D. LR insertion 544 10799
34 arc077_a C. pushpush 552 11447
35 abc328_d D. Take ABC 555 10696
36 code_festival_2017_qualb_b B. Problem Set 568 5882
37 abc240_d D. Strange Balls 570 9691
38 arc087_a C. Good Sequence 593 15512
39 abc008_2 B. 投票 601 7720
40 arc014_2 B. あの日したしりとりの結果を僕達はまだ知らない。 606 3062
41 abc158_d D. String Formation 610 13401
42 abc269_d D. Do use hexagon grid 612 7603
43 abc022_b B. Bumble Bee 621 6433
44 abc003_2 B. AtCoderトランプ 668 8388
45 abc032_b B. 高橋君とパスワード 672 6191
46 abc333_d D. Erase Leaves 704 8369
47 abc231_d D. Neighbors 726 7623
48 abc177_d D. Friends 732 12239
49 arc106_b B. Values 732 5574
50 abc379_d D. Home Garden 745 7573
51 abc243_d D. Moves on Binary Tree 758 9000
52 abc212_d D. Querying Multiset 775 10530
53 arc033_2 B. メタ構文変数 789 2860
54 abc141_d D. Powerful Discount Tickets 823 12522
55 abc293_d D. Tying Rope 830 7077
56 abc259_d D. Circumferences 947 7122
57 abc230_d D. Destroyer Takahashi 963 6419
58 abc064_d D. Insertion 969 7324
59 abc344_e E. Insert or Erase 973 7364
60 abc217_e E. Sorting Queries 986 10430
61 arc114_b B. Special Subsets 1000 3767
62 abc229_e E. Graph Destruction 1015 5970
63 abc352_e E. Clique Connect 1030 6332
64 abc228_d D. Linear Probing 1035 5763
65 abc216_d D. Pair of Balls 1039 7307
66 abc039_d D. 画像処理高橋君 1039 3545
67 abc372_e E. K-th Largest Connected Components 1042 6024
68 abc185_f F. Range Xor Query 1053 6846
69 abc166_e E. This Message Will Self-Destruct in 5s 1062 9014
70 abc075_c C. Bridge 1067 9386
71 abc223_d D. Restricted Permutation 1069 7012
72 abc260_d D. Draw Your Cards 1074 6059
73 abc194_e E. Mex Min 1088 7012
74 abc339_e E. Smooth Subsequence 1109 5661
75 abc019_3 C. 高橋くんと魔法の箱 1129 4435
76 abc340_e E. Mancala 2 1157 4801
77 arc032_2 B. 道路工事 1169 3167
78 abc241_d D. Sequence Query 1177 7300
79 abc334_e E. Christmas Color Grid 1 1195 4705
80 abc125_c C. GCD on Blackboard 1197 15405
81 abc329_f F. Colored Ball 1207 6008
82 abc157_d D. Friend Suggestions 1208 7211
83 abc338_e E. Chords 1220 5358
84 abc341_e E. Alternating String 1223 5132
85 arc107_c C. Shuffle Permutation 1223 3884
86 abc264_e E. Blackout 2 1229 4889
87 indeednow_2015_qualc_3 C. 木 1246 1660
88 abc351_f F. Double Sum 1253 4791
89 aising2019_c C. Alternating Path 1264 3509
90 abc306_e E. Best Performances 1268 4713
91 arc097_b D. Equals 1270 6973
92 abl_d D. Flat Subsequence 1283 3682
93 abc137_d D. Summer Vacation 1313 8576
94 abc190_f F. Shift and Inversions 1321 4857
95 abc226_e E. Just one 1327 4570
96 abc437_f F. Manhattan Christmas Tree 2 1332 3035
97 abc126_e E. 1 or 2 1340 7616
98 abc214_d D. Sum of Maximum Weights 1341 7075
99 abc120_d D. Decayed Bridges 1355 7790
100 abc343_f F. Second Largest Query 1370 5296
101 arc063_b D. An Invisible Hand 1376 5032
102 abc250_e E. Prefix Equality 1421 5720
103 abc157_e E. Simple String Queries 1443 5400
104 abc246_e E. Bishop 2 1476 4388
105 abc174_f F. Range Set Query 1495 5267
106 abc170_e E. Smart Infants 1502 5193
107 arc028_2 B. 特別賞 1507 1722
108 codefestival_2016_final_c C. Interpretation 1525 2331
109 abc238_e E. Range Sums 1577 5122
110 abc231_f F. Jealous Two 1580 3069
111 code_formula_2014_qualA_c C. 決勝進出者 1610 680
112 abc309_f F. Box in Box 1619 3036
113 abc327_f F. Apples 1624 2863
114 abc223_f F. Parenthesis Checking 1641 3155
115 arc033_3 C. データ構造 1641 2270
116 code_festival_qualB_d D. 登山家 1651 1077
117 abc040_d D. 道路の老朽化対策について 1656 2328
118 donuts_2015_3 C. 行列のできるドーナツ屋 1661 1000
119 arc061_b D. Snuke's Coloring 1682 4691
120 abl_e E. Replace Digits 1706 2101
121 abc179_f F. Simplified Reversi 1713 2950
122 apc001_d D. Forest 1719 1798
123 arc074_b D. 3N Numbers 1730 4777
124 agc053_b B. Taking the middle 1755 1378
125 abc253_f F. Operations on a Matrix 1756 2528
126 abc254_f F. Rectangle GCD 1764 2733
127 abc279_f F. BOX 1777 2475
128 abc332_f F. Random Update Query 1786 2311
129 abc339_g G. Smaller Sum 1792 2618
130 abc357_f F. Two Sequence Queries 1793 3085
131 abc322_f F. Vacation Query 1806 2513
132 agc005_b B. Minimum Sum 1828 4092
133 abc186_f F. Rook on Grid 1833 2451
134 arc069_c E. Frequency 1835 2024
135 abc128_e E. Roadwork 1840 3556
136 abc140_e E. Second Sum 1873 3209
137 arc026_3 C. 蛍光灯 1930 989
138 abc131_f F. Must Be Rectangular! 1937 2712
139 jsc2021_f F. Max Matrix 1954 1155
140 abc441_g G. Takoyaki and Flip 1985 1313
141 abc127_f F. Absolute Minima 2003 3004
142 arc039_c C. 幼稚園児高橋君 2004 674
143 abc181_f F. Silver Woods 2009 2072
144 arc112_d D. Skate 2028 1677
145 abc256_f F. Cumulative Cumulative Cumulative Sum 2067 2041
146 abc428_f F. Pyramid Alignment 2073 1072
147 abc237_g G. Range Sort Query 2088 1735
148 arc035_d D. 高橋くんとマラソンコース 2173 439
149 arc076_c E. Connected? 2180 1646
150 arc036_d D. 偶数メートル 2227 774
151 arc088_c E. Papple Sort 2231 1466
152 arc017_4 D. ARCたんクッキー 2244 416
153 arc047_c C. N!÷K番目の単語 2262 457
154 arc080_c E. Young Maids 2277 1607
155 abc177_f F. I hate Shortest Path Problem 2291 1409
156 nikkei2019_qual_e E. Weights on Vertices and Edges 2294 854
157 arc068_c E. Snuke Line 2307 1970
158 abc136_f F. Enclosed Points 2334 1528
159 abc211_f F. Rectilinear Polygons 2350 839
160 donuts_2015_4 D. ドーナツの箱詰め 2383 197
161 mujin_pc_2016_d D. Parenthesis Sequence 2404 302
162 arc043_c C. 転倒距離 2409 355
163 arc008_4 D. タコヤキオイシクナール 2430 1021
164 abc255_h Ex. Range Harvest Query 2430 848
165 arc140_d D. One to One 2443 889
166 cf_2015_morning_hard_b D. 立方体とペンキ 2456 157
167 arc023_4 D. GCD区間 2511 469
168 agc002_d D. Stamp Rally 2514 3406
169 abc256_h Ex. I like Query Problem 2531 960
170 arc081_d F. Flip and Rectangles 2608 1220
171 arc076_d F. Exhausted? 2819 1289
172 arc065_c E. Manhattan Compass 2835 779
173 arc025_4 D. コンセント 2863 76
174 abc266_h Ex. Snuke Panic (2D) 2865 367
175 arc049_d D. すわっぷしまーす 2988 63
176 arc054_d D. バブルソート 3095 60
177 agc023_f F. 01 on Tree 3148 1791
178 arc030_4 D. グラフではない 3246 136
179 agc028_e E. High Elements 4123 472
180 typical90_aa 027. Sign Up Requests （★2） null 9779
181 typical90_bi 061. Deck（★2） null 7615
182 practice2_a A. Disjoint Set Union null 6725
183 typical90_l 012. Red Painting（★4） null 6636
184 unionfind_a B. Union Find null 5623
185 practice2_b B. Fenwick Tree null 4579
186 typical90_ac 029. Long Bricks（★5） null 3482
187 chokudai_S001_h H. LIS null 2743
188 practice2_j J. Segment Tree null 2406
189 chokudai_S001_j J. 転倒数 null 2246
190 tessoku_book_bf A58. RMQ (Range Maximum Queries) null 2243
191 typical90_bp 068. Paired Information（★5） null 2097
192 chokudai_S002_f F. 種類数 α null 1777
193 past202004_f F. Tasking null 1768
194 code_thanks_festival_2017_c C. Factory null 1693
195 practice2_k K. Range Affine Range Sum null 1620
196 typical90_q 017. Crossing Segments（★7） null 1467
197 practice2_l L. Lazy Segment Tree null 1270
198 past202010_f F. 構文解析 null 1025
199 past202104_e E. Third from Front null 819
200 nikkei2019_final_d D. Deforestation null 805
201 joisc2007_fiber fiber. 光ファイバー (Fiber) null 764
202 past202004_l L. Lexicographically Minimum null 759
203 joi2010ho_c C. つらら null 733
204 past202005_k K. Moving Containers null 669
205 typical90_ck 089. Partitions and Inversions（★7） null 653
206 joisc2008_origami origami. 折り紙 (Origami) null 646
207 past202005_l L. Supamarket null 589
208 bitflyer2018_final_c C. 部分文字列と括弧 null 496
209 past202004_n N. Building Construction null 482
210 dwango2017qual_d D. ネタだけ食べたい寿司 null 458
211 past202107_l L. Multiple Min Query null 421
212 codefestival_2015_final_d D. 足ゲームII null 396
213 cpsco2019_s1_e E. Exclusive OR Queries null 394
214 joisc2008_typhoon typhoon. 台風 (Typhoon) null 383
215 joisc2011_bookshelf bookshelf. 本棚 (Bookshelf) null 369
216 code_festival_2018_final_e E. Tough Journey null 354
217 s8pc_2_h H. Counting 1's null 352
218 past202012_n N. Travel Agency null 346
219 joi2009ho_e E. 認証レベル null 346
220 iroha2019_day3_e E. 「く」 null 334
221 joisc2016_d D. 雇用計画 null 326
222 indeednow_2015_finalb_e E. Line up! null 314
223 joig2023_e E. 運河 (Canal) null 308
224 joi2011ho5 E. 微生物実験 (Bug Party) null 292
225 nikkei2019_2_final_c C. Largest N null 274
226 past202112_m M. Deadnames null 270
227 joisc2012_fortune_telling fortune_telling. 占い null 258
228 cpsco2019_s1_f F. Fruits in Season null 258
229 ddcc2019_final_d D. DISCO! null 233
230 soundhound2018_summer_final_d D. Propagating Edges null 225
231 joisc2019_a A. 試験 (Examination) null 215
232 tkppc4_1_k K. 天使と宿題 null 213
233 past202107_n N. Monochrome Design null 209
234 tkppc4_2_e E. 引きこもり null 202
235 joisc2019_d D. ふたつのアンテナ (Two Antennas) null 199
236 joi2013ho5 5. バブルソート (Bubble Sort) null 185
237 joisc2019_j J. ケーキの貼り合わせ (Cake 3) null 180
238 birthday0410_x X. この問題はほんとうにひどい問題であるため，できれば先に他の問題のほうをお楽しみいただければと思っておりまして，ですので他の問題を通し終えて暇になり，かつその暇を null 163
239 kupc2014_c C. 占い null 159
240 pakencamp_2019_day3_e E. 大きなクリスマスプレゼント null 159
241 soundhound2018_summer_final_e E. Hash Swapping null 145
242 joi2015ho_e E. 城壁 (Rampart) null 140
243 joi2016ho_e E. 断層 (Geologic Fault) null 139
244 k4pc_c C. 山登り(Mountain Climbing) null 135
245 wupc_07 G. だるま落とし null 134
246 jsc2019_final_c C. Maximize Minimum null 131
247 joisc2013_construction 1. 建設事業 (Construction Project) null 125
248 tkppc4_1_n N. multiple null 123
249 tenka1_2016_qualB_d D. 天下一数列にクエリを投げます null 117
250 nikkei2019_2_final_e E. Notorious B.I.T. null 102
251 joisc2019_i I. 時をかけるビ太郎 (Bitaro, who Leaps through Time) null 98
252 joisc2012_copypaste copypaste. コピー＆ペースト null 88
253 joisc2013_spaceships 3. 宇宙船 (Spaceships) null 85
254 yahoo_procon2019_final_d D. Dangerous Hopscotch null 84
255 joisc2009_starry_sky starry_sky. 星空 (Starry Sky) null 76
256 jag2018summer_day2_d D. Knapsack And Queries null 76
257 jsc2019_final_e E. Nearest String null 74
258 iroha2019_day2_j J. ライ麦畑で待ちながら null 74
259 joisc2011_apples apples. リンゴの出荷 (Apples) null 72
260 yahoo_procon2019_final_c C. Checkered Stamps null 70
261 gigacode_2019_f F. クローゼットの配置 null 57
262 icpc2015autumn_h H. Donut Decoration null 57
263 pakencamp_2019_day3_f F. クリスマス飾り2 null 51
264 wupc2019_i I. Ramen null 49
265 pakencamp_2019_day3_g G. プレゼント配り2 null 13