Data-Structure

# ID Name Difficulty Solver
1 abc240_b D. Count Distinct Integers -819 15770
2 abc245_b D. Mex -523 15274
3 abc241_b C. Pasta -503 15262
4 abc293_b C. Call the ID Number -328 13085
5 abc236_c E. Route Map -245 14197
6 abc164_c C. gacha -241 20251
7 abc085_b B. Kagami Mochi -106 61062
8 abc295_c E. Socks -75 12752
9 abc314_b D. Roulette -34 12386
10 abc296_c E. Gap Existence 38 12584
11 abc244_c E. Yamanote Line Game 46 10956
12 abc261_c E. NewFolder(1) 79 12333
13 abc291_c F. LRUD Instructions 2 97 11331
14 abc226_b C. Counting Arrays 107 12472
15 abc344_c E. A+B+C 131 14674
16 abc155_c C. Poll 189 17159
17 abc251_c E. Poem Online Judge 205 11105
18 abc235_c F. The Kth Time Query 210 12127
19 arc019_1 A. お買い物クライシス 219 2872
20 hhkb2020_c C. Neq Min 349 7457
21 abc262_c E. Min Max Pair 360 10226
22 abc325_c E. Sensors 400 10070
23 abc243_c E. Collision 2 409 10992
24 abc343_d G. Diversity of Scores 422 11484
25 abl_c C. Connect Cities 435 7013
26 abc288_c F. Don’t be cycle 436 9424
27 abc073_c C. Write and Erase 454 12705
28 abc287_c E. Path Graph? 466 9317
29 abc247_d G. Cylinder 468 10573
30 abc345_c E. One Time Swap 469 11298
31 abc234_d G. Prefix K-th Max 503 10557
32 abc342_c E. Many Replacement 505 11599
33 abc237_d G. LR insertion 544 10949
34 arc077_a C. pushpush 552 11507
35 abc328_d G. Take ABC 555 10812
36 code_festival_2017_qualb_b B. Problem Set 568 5903
37 abc240_d G. Strange Balls 570 9823
38 arc087_a C. Good Sequence 593 15634
39 abc008_2 B. 投票 601 7744
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 3073
41 abc158_d D. String Formation 610 13484
42 abc269_d G. Do use hexagon grid 612 7687
43 abc022_b B. Bumble Bee 621 6462
44 abc003_2 B. AtCoderトランプ 668 8417
45 abc032_b B. 高橋君とパスワード 672 6213
46 abc333_d G. Erase Leaves 704 8503
47 abc231_d G. Neighbors 726 7736
48 abc177_d D. Friends 732 12310
49 arc106_b B. Values 732 5586
50 abc379_d G. Home Garden 745 7628
51 abc243_d G. Moves on Binary Tree 758 9071
52 abc212_d G. Querying Multiset 775 10691
53 arc033_2 B. メタ構文変数 789 2870
54 abc141_d D. Powerful Discount Tickets 823 12653
55 abc293_d G. Tying Rope 830 7141
56 abc259_d G. Circumferences 947 7262
57 abc230_d G. Destroyer Takahashi 963 6517
58 abc064_d D. Insertion 969 7345
59 abc344_e H. Insert or Erase 973 7421
60 abc217_e H. Sorting Queries 986 10610
61 arc114_b B. Special Subsets 1000 3773
62 abc229_e H. Graph Destruction 1015 6031
63 abc352_e H. Clique Connect 1030 6382
64 abc228_d G. Linear Probing 1035 5869
65 abc216_d G. Pair of Balls 1039 7463
66 abc039_d D. 画像処理高橋君 1039 3554
67 abc372_e H. K-th Largest Connected Components 1042 6104
68 abc185_f F. Range Xor Query 1053 6912
69 abc166_e E. This Message Will Self-Destruct in 5s 1062 9036
70 abc075_c C. Bridge 1067 9442
71 abc223_d G. Restricted Permutation 1069 7138
72 abc260_d G. Draw Your Cards 1074 6125
73 abc194_e E. Mex Min 1088 7077
74 abc339_e H. Smooth Subsequence 1109 5732
75 abc019_3 C. 高橋くんと魔法の箱 1129 4457
76 abc340_e H. Mancala 2 1157 4849
77 arc032_2 B. 道路工事 1169 3172
78 abc241_d G. Sequence Query 1177 7418
79 abc334_e H. Christmas Color Grid 1 1195 4757
80 abc125_c C. GCD on Blackboard 1197 15637
81 abc329_f I. Colored Ball 1207 6059
82 abc157_d D. Friend Suggestions 1208 7275
83 abc338_e H. Chords 1220 5406
84 abc341_e H. Alternating String 1223 5201
85 arc107_c C. Shuffle Permutation 1223 3900
86 abc264_e H. Blackout 2 1229 4964
87 indeednow_2015_qualc_3 C. 木 1246 1666
88 abc351_f I. Double Sum 1253 4848
89 aising2019_c C. Alternating Path 1264 3518
90 abc306_e H. Best Performances 1268 4780
91 arc097_b D. Equals 1270 7006
92 abl_d D. Flat Subsequence 1283 3705
93 abc137_d D. Summer Vacation 1313 8630
94 abc190_f F. Shift and Inversions 1321 4880
95 abc226_e H. Just one 1327 4621
96 abc437_f I. Manhattan Christmas Tree 2 1332 3084
97 abc126_e E. 1 or 2 1340 7667
98 abc214_d G. Sum of Maximum Weights 1341 7215
99 abc120_d D. Decayed Bridges 1355 7853
100 abc343_f I. Second Largest Query 1370 5389
101 arc063_b D. An Invisible Hand 1376 5054
102 abc250_e H. Prefix Equality 1421 5832
103 abc157_e E. Simple String Queries 1443 5428
104 abc246_e H. Bishop 2 1476 4436
105 abc174_f F. Range Set Query 1495 5298
106 abc170_e E. Smart Infants 1502 5212
107 arc028_2 B. 特別賞 1507 1732
108 codefestival_2016_final_c C. Interpretation 1525 2339
109 abc238_e H. Range Sums 1577 5194
110 abc231_f I. Jealous Two 1580 3112
111 code_formula_2014_qualA_c C. 決勝進出者 1610 681
112 abc309_f I. Box in Box 1619 3090
113 abc327_f I. Apples 1624 2905
114 abc223_f I. Parenthesis Checking 1641 3209
115 arc033_3 C. データ構造 1641 2278
116 code_festival_qualB_d D. 登山家 1651 1085
117 abc040_d D. 道路の老朽化対策について 1656 2340
118 donuts_2015_3 C. 行列のできるドーナツ屋 1661 1003
119 arc061_b D. Snuke's Coloring 1682 4730
120 abl_e E. Replace Digits 1706 2107
121 abc179_f F. Simplified Reversi 1713 2958
122 apc001_d D. Forest 1719 1799
123 arc074_b D. 3N Numbers 1730 4808
124 agc053_b B. Taking the middle 1755 1383
125 abc253_f I. Operations on a Matrix 1756 2566
126 abc254_f I. Rectangle GCD 1764 2779
127 abc279_f I. BOX 1777 2530
128 abc332_f I. Random Update Query 1786 2340
129 abc339_g G. Smaller Sum 1792 2663
130 abc357_f I. Two Sequence Queries 1793 3165
131 abc322_f I. Vacation Query 1806 2553
132 agc005_b B. Minimum Sum 1828 4130
133 abc186_f F. Rook on Grid 1833 2458
134 arc069_c E. Frequency 1835 2033
135 abc128_e E. Roadwork 1840 3573
136 abc140_e E. Second Sum 1873 3217
137 arc026_3 C. 蛍光灯 1930 993
138 abc131_f F. Must Be Rectangular! 1937 2722
139 jsc2021_f F. Max Matrix 1954 1159
140 abc441_g G. Takoyaki and Flip 1985 1340
141 abc127_f F. Absolute Minima 2003 3042
142 arc039_c C. 幼稚園児高橋君 2004 675
143 abc181_f F. Silver Woods 2009 2083
144 arc112_d D. Skate 2028 1684
145 abc256_f I. Cumulative Cumulative Cumulative Sum 2067 2070
146 abc428_f I. Pyramid Alignment 2073 1091
147 abc237_g G. Range Sort Query 2088 1750
148 arc035_d D. 高橋くんとマラソンコース 2173 444
149 arc076_c E. Connected? 2180 1654
150 arc036_d D. 偶数メートル 2227 779
151 arc088_c E. Papple Sort 2231 1477
152 arc017_4 D. ARCたんクッキー 2244 421
153 arc047_c C. N!÷K番目の単語 2262 459
154 arc080_c E. Young Maids 2277 1611
155 abc177_f F. I hate Shortest Path Problem 2291 1421
156 nikkei2019_qual_e E. Weights on Vertices and Edges 2294 864
157 arc068_c E. Snuke Line 2307 1984
158 abc136_f F. Enclosed Points 2334 1536
159 abc211_f F. Rectilinear Polygons 2350 847
160 donuts_2015_4 D. ドーナツの箱詰め 2383 199
161 mujin_pc_2016_d D. Parenthesis Sequence 2404 304
162 arc043_c C. 転倒距離 2409 357
163 arc008_4 D. タコヤキオイシクナール 2430 1029
164 abc255_h Ex. Range Harvest Query 2430 858
165 arc140_d D. One to One 2443 899
166 cf_2015_morning_hard_b D. 立方体とペンキ 2456 157
167 arc023_4 D. GCD区間 2511 472
168 agc002_d D. Stamp Rally 2514 3477
169 abc256_h Ex. I like Query Problem 2531 997
170 arc081_d F. Flip and Rectangles 2608 1232
171 arc076_d F. Exhausted? 2819 1312
172 arc065_c E. Manhattan Compass 2835 781
173 arc025_4 D. コンセント 2863 80
174 abc266_h Ex. Snuke Panic (2D) 2865 374
175 arc049_d D. すわっぷしまーす 2988 64
176 arc054_d D. バブルソート 3095 61
177 agc023_f F. 01 on Tree 3148 1804
178 arc030_4 D. グラフではない 3246 138
179 agc028_e E. High Elements 4123 503
180 typical90_aa 027. Sign Up Requests （★2） null 9893
181 typical90_bi 061. Deck（★2） null 7694
182 practice2_a A. Disjoint Set Union null 6843
183 typical90_l 012. Red Painting（★4） null 6719
184 unionfind_a B. Union Find null 5655
185 practice2_b B. Fenwick Tree null 4649
186 typical90_ac 029. Long Bricks（★5） null 3523
187 chokudai_S001_h H. LIS null 2755
188 practice2_j J. Segment Tree null 2442
189 tessoku_book_bf A58. RMQ (Range Maximum Queries) null 2302
190 chokudai_S001_j J. 転倒数 null 2253
191 typical90_bp 068. Paired Information（★5） null 2114
192 chokudai_S002_f F. 種類数 α null 1785
193 past202004_f F. Tasking null 1779
194 code_thanks_festival_2017_c C. Factory null 1695
195 practice2_k K. Range Affine Range Sum null 1639
196 typical90_q 017. Crossing Segments（★7） null 1476
197 practice2_l L. Lazy Segment Tree null 1286
198 past202010_f F. 構文解析 null 1034
199 past202104_e E. Third from Front null 823
200 nikkei2019_final_d D. Deforestation null 808
201 joisc2007_fiber fiber. 光ファイバー (Fiber) null 766
202 past202004_l L. Lexicographically Minimum null 762
203 joi2010ho_c C. つらら null 737
204 past202005_k K. Moving Containers null 671
205 typical90_ck 089. Partitions and Inversions（★7） null 661
206 joisc2008_origami origami. 折り紙 (Origami) null 649
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 483
210 dwango2017qual_d D. ネタだけ食べたい寿司 null 461
211 past202107_l L. Multiple Min Query null 427
212 codefestival_2015_final_d D. 足ゲームII null 397
213 cpsco2019_s1_e E. Exclusive OR Queries null 395
214 joisc2008_typhoon typhoon. 台風 (Typhoon) null 384
215 joisc2011_bookshelf bookshelf. 本棚 (Bookshelf) null 376
216 s8pc_2_h H. Counting 1's null 355
217 code_festival_2018_final_e E. Tough Journey null 354
218 past202012_n N. Travel Agency null 348
219 joi2009ho_e E. 認証レベル null 346
220 iroha2019_day3_e E. 「く」 null 338
221 joisc2016_d D. 雇用計画 null 326
222 indeednow_2015_finalb_e E. Line up! null 316
223 joig2023_e E. 運河 (Canal) null 309
224 joi2011ho5 E. 微生物実験 (Bug Party) null 294
225 nikkei2019_2_final_c C. Largest N null 274
226 past202112_m M. Deadnames null 271
227 cpsco2019_s1_f F. Fruits in Season null 259
228 joisc2012_fortune_telling fortune_telling. 占い 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 201
236 joi2013ho5 5. バブルソート (Bubble Sort) null 186
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 164
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 146
242 joi2016ho_e E. 断層 (Geologic Fault) null 143
243 joi2015ho_e E. 城壁 (Rampart) null 141
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 99
252 joisc2012_copypaste copypaste. コピー＆ペースト null 89
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 50
265 pakencamp_2019_day3_g G. プレゼント配り2 null 13