Technique

# ID Name Difficulty Solver
1 abc171_b B. Mix Juice -765 19523
2 abc317_b B. MissingNo. -764 11941
3 abc336_b B. CTZ -683 11592
4 abc242_b B. Minimize Ordering -478 13489
5 abc311_b B. Vacation Together -312 12558
6 abc256_b B. Batters -227 10447
7 abc328_b B. 11/11 -213 10986
8 abc165_b B. 1% -200 18993
9 abc257_b B. 1D Pawn -194 9784
10 abc207_b B. Hydrate -161 12444
11 abc318_b B. Overlapping sheets -152 13743
12 abc220_c C. Long Sequence -86 12472
13 abc294_c C. Merge Sequences -59 9711
14 abc141_c C. Attack Survival -35 14888
15 abc134_c C. Exception Handling -31 14612
16 abc216_c C. Many Balls -6 11824
17 abc247_c C. 1 2 1 3 1 2 1 5 11541
18 tenka1_2012_qualA_1 A. 算盤の書 8 1951
19 abc203_c C. Friends and Travel costs 54 11808
20 abc215_c C. One More aab aba baa 76 11663
21 abc273_b B. Broken Rounding 77 8862
22 abc202_c C. Made Up 130 12649
23 tenka1_2013_qualB_a A. 天下一人力比較 147 1657
24 abc228_c C. Final Day 149 9013
25 arc124_a A. LR Constraints 149 3706
26 arc120_a A. Max Add 183 4000
27 abc127_c C. Prison 194 15054
28 abc219_c C. Neo-lexicographic Ordering 227 9235
29 abc166_c C. Peaks 233 15726
30 abc279_c C. RANDOM 246 8178
31 abc151_c C. Welcome to AtCoder 327 13457
32 abc246_c C. Coupon 330 10110
33 ddcc2020_qual_b B. Iron Bar Cutting 350 5721
34 abc210_c C. Colorful Candies 357 10437
35 abc222_c C. Swiss-System Tournament 366 8095
36 abc194_c C. Squared Error 386 11164
37 abc186_d D. Sum of difference 436 10692
38 arc126_a A. Make 10 465 3813
39 abc213_c C. Reorder Cards 481 10047
40 abc154_d D. Dice in Line 485 12307
41 arc104_b B. DNA Sequence 487 7142
42 abc171_d D. Replacing 498 13085
43 abc267_c C. Index × A(Continuous ver.) 524 8205
44 abc256_d D. Union of Interval 546 7473
45 abc278_d D. All Assign Point Add 559 7315
46 arc130_b B. Colorful Lines 576 2969
47 abc275_d D. Yet Another Recursive Function 606 7391
48 arc107_b B. Quadruple 633 5172
49 arc098_a C. Attention 635 11021
50 abc183_d D. Water Heater 662 9271
51 abc122_c C. GeT AC 700 11618
52 abc182_d D. Wandering 701 8669
53 abc233_d D. Count Interval 726 7333
54 abc229_d D. Longest X 745 6922
55 abc167_d D. Teleporter 754 11918
56 abc337_d D. Cheating Gomoku Narabe 760 6400
57 abc225_d D. Play Train 778 6487
58 arc013_2 B. 引越しできるかな? 788 2442
59 abc294_e E. 2xN Grid 792 5300
60 abc136_d D. Gathering Children 794 9834
61 arc009_2 B. おとぎの国の高橋君 830 2508
62 abc221_d D. Online games 832 7068
63 arc042_a A. 掲示板 861 2905
64 abc130_d D. Enough Array 865 10340
65 abc113_c C. ID 878 9087
66 abc252_d D. Distinct Trio 884 6867
67 abc037_c C. 総和 915 5760
68 abc172_c C. Tsundoku 930 11369
69 abc188_d D. Snuke Prime 933 7573
70 arc035_b B. アットコーダー王国のコンテスト事情 949 2324
71 abc036_c C. 座圧 956 5244
72 abc163_d D. Sum of Large Numbers 960 9944
73 agc002_b B. Box and Ball 981 5524
74 abc278_e E. Grid Filling 996 4586
75 agc011_b B. Colorful Creatures 998 4558
76 abc334_c C. Socks 2 1030 5172
77 agc023_a A. Zero-Sum Ranges 1038 6156
78 abc035_c C. オセロ 1096 4870
79 nikkei2019_qual_c C. Different Strokes 1136 4337
80 abc246_d D. 2-variable Function 1148 6683
81 arc109_c C. Large RPS Tournament 1157 3279
82 abc297_e E. Kth Takoyaki Set 1176 5133
83 arc026_2 B. 完全数 1199 3066
84 abc089_d D. Practical Skill Test 1220 4668
85 abc338_d D. Island Tour 1234 3841
86 abc032_c C. 列 1244 5198
87 abc241_e E. Putting Candies 1248 4368
88 abc247_e E. Max Min 1256 4670
89 tokiomarine2020_c C. Lamps 1274 3825
90 abc014_3 C. AtColor 1276 5390
91 abc242_d D. ABC Transform 1286 4662
92 tenka1_2013_qualB_b B. 天下一後入れ先出しデータ構造 1286 1158
93 arc048_b B. AtCoderでじゃんけんを 1290 1759
94 abc106_d D. AtCoder Express 2 1319 5437
95 abc281_e E. Least Elements 1334 3866
96 arc119_c C. ARC Wrecker 2 1354 2457
97 abc187_e E. Through Path 1358 4694
98 arc025_2 B. チョコレート 1369 1652
99 arc126_b B. Cross-free Matching 1370 2346
100 abc037_d D. 経路 1377 2707
101 abc080_d D. Recording 1383 3762
102 abc279_e E. Cheating Amidakuji 1390 2934
103 abc153_f F. Silver Fox vs Monster 1393 4601
104 arc022_2 B. 細長いお菓子 1395 2711
105 arc098_b D. Xor Sum 2 1404 6078
106 abc184_f F. Programming Contest 1423 4630
107 abc272_e E. Add and Mex 1434 3608
108 abc005_4 D. おいしいたこ焼きの焼き方 1447 2986
109 abc105_d D. Candy Distribution 1458 4664
110 arc120_c C. Swaps 2 1478 2130
111 abc123_d D. Cake 123 1489 5480
112 arc045_b B. ドキドキデート大作戦高橋君 1526 1711
113 abc018_3 C. 菱型カウント 1553 2166
114 abc001_4 D. 感雨時刻の整理 1565 3291
115 tenka1_2014_qualA_b B. かぶりん! 1576 759
116 abc183_f F. Confluence 1586 3560
117 abc017_3 C. ハイスコア 1607 2752
118 arc017_3 C. 無駄なものが嫌いな人 1625 1888
119 abc351_e E. Jump Distance Sum 1627 null
120 abc271_f F. XOR on Grid Path 1669 2571
121 abc335_f F. Hop Sugoroku 1690 2168
122 abc204_e E. Rush Hour 2 1710 2503
123 abc018_4 D. バレンタインデー 1711 1905
124 abc339_f F. Product Equality 1716 2426
125 arc138_c C. Rotate and Play Game 1728 1582
126 abc013_4 D. 阿弥陀 1730 1705
127 arc071_c E. TrBBnsformBBtion 1739 2092
128 abc203_e E. White Pawn 1750 2222
129 abc023_c C. 収集王 1752 2270
130 abc293_g G. Triple Index 1753 2118
131 abc146_e E. Rem of Sum is Num 1762 3210
132 abc249_f F. Ignore Operations 1786 2180
133 arc089_b D. Checker 1797 2631
134 agc008_b B. Contiguous Repainting 1822 2366
135 abc242_g G. Range Pairing Query 1828 2126
136 agc026_c C. String Coloring 1836 2166
137 abc188_f F. +1-1x2 1865 2832
138 abc326_f F. Robot Rotation 1870 1741
139 agc010_b B. Boxes 1892 2334
140 arc014_4 D. grepマスター 1904 635
141 arc136_d D. Without Carry 1908 1413
142 abc336_f F. Rotation Puzzle 2018 1101
143 arc101_b D. Median of Medians 2073 2467
144 arc077_c E. guruguru 2117 1595
145 abc342_f F. Black Jack 2141 1100
146 arc020_3 C. A mod B Problem 2141 683
147 arc060_c E. Tak and Hotels 2154 2053
148 tokiomarine2020_d D. Knapsack Queries on a tree 2158 1129
149 arc003_4 D. シャッフル席替え 2194 509
150 dwango2016qual_d D. 庭園 2233 250
151 abc238_g G. Cubic? 2254 1280
152 abc143_f F. Distinct Numbers 2277 1438
153 abc212_f F. Greedy Takahashi 2332 1079
154 arc027_4 D. ぴょんぴょんトレーニング 2474 166
155 abc168_f F. . (Single Dot) 2478 823
156 arc024_4 D. バス停 2496 175
157 arc119_e E. Pancakes 2502 589
158 code_festival_morning_hard_c C. 宝探し 2 2521 96
159 code_formula_2014_final_h H. 平和協定 2726 89
160 arc067_d F. Yakiniku Restaurants 2729 1076
161 abc212_h H. Nim Counting 2741 521
162 acl1_d D. Keep Distances 2764 339
163 agc044_c C. Strange Dance 2889 550
164 agc011_d D. Half Reflector 2931 730
165 agc003_e E. Sequential operations on Sequence 2983 1136
166 agc003_f F. Fraction of Fractal 3344 706
167 arc070_c E. NarrowRectangles 3365 470
168 arc072_d F. Dam 3414 441
169 arc063_d F. Snuke's Coloring 2 3688 403
170 typical90_d 004. Cross Sum(★2) null 12333
171 typical90_j 010. Score Sum Queries(★2) null 9384
172 typical90_n 014. We Used to Sing a Song Together(★3) null 7296
173 past201912_c C. The Third null 6718
174 typical90_bo 067. Base 8 to 9(★2) null 5063
175 typical90_ar 044. Shift and Swapping(★3) null 4883
176 past201912_d D. Duplicated? null 4786
177 typical90_ab 028. Cluttered Paper(★4) null 4174
178 typical90_ah 034. There are few types of elements(★4) null 3914
179 past201912_e E. Restore null 3832
180 typical90_bl 064. Uplift(★3) null 3762
181 typical90_bx 076. Cake Cut(★3) null 3718
182 math_and_algorithm_al 041. Convenience Store 2 null 3498
183 typical90_bf 058. Original Calculator(★4) null 3239
184 joi2008ho_c C. ダーツ null 3167
185 nikkei2019_final_a A. Abundant Resources null 3031
186 typical90_aj 036. Max Manhattan Distance(★5) null 2678
187 judge_update_202004_b B. Picking Balls null 2538
188 past202004_c C. Landslide null 2329
189 typical90_ay 051. Typical Shop(★5) null 2238
190 past201912_h H. Bulk Selling null 2076
191 bitflyer2018_qual_b B. 洋菓子店 null 2051
192 past202005_e E. Sprinklers null 1967
193 joi2010ho_a A. 旅人 null 1894
194 yahoo_procon2017_qual_a A. Yahoo null 1883
195 typical90_cc 081. Friendly Group(★5) null 1808
196 tessoku_book_cl B13. Supermarket 2 null 1699
197 joi2007ho_a A. 最大の和 null 1625
198 joi2015ho_a A. 鉄道旅行 (Railroad Trip) null 1503
199 past202004_e E. Permutation null 1496
200 gigacode_2019_d D. 家の建設 null 1438
201 joisc2014_c C. 歴史の研究 null 1428
202 joi2011ho1 A. 惑星探査 (Planetary Exploration) null 1358
203 past202005_b B. Dynamic Scoring null 1329
204 past202004_g G. String Query null 1307
205 joi2019_yo_b B. すごろくと駒 (Sugoroku and Pieces) null 1296
206 joi2020_yo1a_c C. マージ (Merge) null 1296
207 typical90_e 005. Restricted Digits(★7) null 1294
208 kupc2019_a A. November Festival null 1284
209 s8pc_1_e E. 散歩 (E869120 and Path Length) null 1237
210 fft_c C. 高速フーリエ変換 null 1233
211 dwacon2018_prelims_b B. 2525文字列分解 null 1172
212 judge_update_202004_d D. Calculating GCD null 1161
213 math_and_algorithm_aj 039. Snowy Days null 1133
214 kupc2020_a A. Classroom Distance null 1109
215 s8pc_6_a A. E869120, who Leaps through Time null 1104
216 typical90_bj 062. Paint All(★6) null 1102
217 code_thanks_festival_2018_c C. Pair Distance null 1064
218 past202004_i I. Elimination null 1062
219 chokudai_S001_i I. 和がNの区間 null 1040
220 past202012_d D. Leading Zeros null 1039
221 joi2016yo_b B. ゼッケンの交換 (Swapping Bibs) null 997
222 joi2008yo_c C. カードゲーム null 971
223 joi2007yo_d D. カードの並び替え null 963
224 iroha2019_day1_e E. 放課後 null 945
225 joi2010yo_b B. すごろく null 940
226 past202104_d D. K Integers Summations null 936
227 joi2017ho_a A. フェーン現象 (Foehn Phenomena) null 907
228 joi2015yo_c C. 気象予報士 (Weather Forecaster) null 882
229 jsc2019_final_a A. Equal Weight null 870
230 joi2012yo_b B. サッカー (Soccer) null 868
231 joi2014yo_c C. 超都観光 (Super Metropolis) null 848
232 mujin_pc_2018_c C. 右折 null 837
233 joi2007ho_b B. 最長の階段 null 836
234 joi2012ho4 D. 釘 (Nails) null 833
235 practice2_h H. Two SAT null 832
236 joisc2007_score score. 得点 (Score) null 815
237 joi2019ho_a A. 勇者ビ太郎 (Bitaro the Brave) null 806
238 typical90_ce 083. Colorful Graph(★6) null 789
239 past202005_i I. Matrix Operations null 789
240 joi2021_yo2_a A. 往復すごろく (Round Sugoroku) null 774
241 typical90_cj 088. Similar but Different Ways(★6) null 756
242 joi2006yo_a A. JOI 2006 予選 問題1 null 710
243 past202010_i I. ピザ null 688
244 s8pc_5_a A. Sushi 2 null 675
245 joisc2007_mall mall. ショッピングモール (Mall) null 659
246 joi2020ho_a A. 長いだけのネクタイ (Just Long Neckties) null 652
247 joi2013yo_e E. 魚の生息範囲 (Fish) null 649
248 past201912_n N. Land Clearing null 640
249 bitflyer2018_final_b B. 交通費 null 638
250 iroha2019_day2_c C. 陽気な妖姫 null 617
251 typical90_bg 059. Many Graph Queries(★7) null 611
252 cpsco2019_s3_c C. Camp Reception null 596
253 joisc2014_h H. JOIOJI null 567
254 past202104_f F. Safety System null 559
255 joisc2010_poster poster. JOIポスター (JOI Poster) null 548
256 joi2008ho_e E. ペンキの色 null 523
257 joi2018ho_b B. 美術展 (Art Exhibition) null 479
258 tkppc3_c C. 新入生歓迎数列 - Easy null 476
259 joisc2010_contest contest. コンテスト (Contest) null 476
260 bcu30_2019_a A. Wolf Keyboard null 425
261 bitflyer2018_qual_d D. ハンコ null 408
262 joisc2015_b B. 愉快なロゴデザイン null 400
263 joi2006yo_c C. JOI 2006 予選 問題3 null 395
264 jag2016secretspring_b B. 豪邸と宅配便 null 390
265 tkppc4_1_f F. 不便な橋 null 386
266 relay_c C. Kode Festival null 376
267 tkppc2015_c C. お姉ちゃんって呼んで (Call me sister) null 373
268 joi2022_yo2_c C. 国土分割 (Land Division) null 326
269 donuts_live2014_1 A. 勤怠管理 null 314
270 relay2_b B. Evergrowing Tree null 310
271 qupc2014_c C. 案内所 null 302
272 jag2017summer_day3_a A. Star in Parentheses null 300
273 tkppc2016_c C. 有給休暇(Paid Vacation) null 300
274 joi2009yo_e E. シャッフル null 298
275 code_thanks_festival_14_quala_e E. 儀式 null 282
276 tkppc3_d D. 巨大チェスボード null 280
277 past202012_o O. Notification null 279
278 past202005_n N. Swap and Sort null 279
279 code_thanks_festival_2015_d D. 暴露 null 279
280 indeednow_2015_finalb_b B. How are you? null 268
281 tkppc4_1_i I. school competition 1 null 241
282 joisc2010_aplusb aplusb. 足し算 (a + b problem) null 220
283 k4pc_b B. コミュニケーション能力(Communication Ability) null 215
284 qupc2018_e E. Treeone null 213
285 past202104_m M. Equal Queries null 202
286 kupc2012pr_4 D. A mul B Problem null 191
287 ddcc_2016_final_c C. 01文字列 null 185
288 donuts_live2014_3 C. ソーシャルゲーム null 169
289 yahoo_procon2017_final_c C. 倍数クエリ null 159
290 joisc2014_i I. かかし null 150
291 joisc2018_h H. ビ太郎のパーティー (Bitaro's Party) null 138
292 past202212_n N. Sequence and Function null 124
293 dwango2017final_b B. ニワンゴくんの約数 null 93
294 maximum_2013_j J. ALPHAのならび null 91
295 maximum_2013_e E. Alicia's Rare card Challenge null 89
296 tkppc4_2_f F. Segtree☆Magica null 87
297 kupc2012_6 F. Acceleration of Network null 82
298 code_thanks_festival_2015_h H. 穴あきケーキ null 80
299 utpc2012_08 H. 区間スケジューリングクエリ null 64
300 jsc2019_final_d D. Minimize Maximum null 61
301 wupc2019_h H. Doki Doki Programming Clubs! null 60
302 joi2006ho_e E. JOI 2006 本選 問題5 null 49
303 joisc2019_b B. ビーバーの会合 (Meetings) null 48
304 maximum_2013_h H. さいたまの矛盾 null 42
305 k2pc001_h5 E. 暗号化(Encipherment) null 36
306 wupc_09 I. その味は甘くて null 31
307 joisc2019_l L. 鉱物 (Minerals) null 29
308 pakencamp_2019_day4_f F. イーハチはやる null 22