Technique

# ID Name Difficulty Solver
1 abc171_b B. Mix Juice -765 19881
2 abc317_b B. MissingNo. -764 12906
3 abc378_a A. Pairing -755 11985
4 abc336_b B. CTZ -683 13057
5 abc242_b B. Minimize Ordering -478 14058
6 abc311_b B. Vacation Together -312 13322
7 abc256_b B. Batters -227 10874
8 abc328_b B. 11/11 -213 11953
9 abc165_b B. 1% -200 19445
10 abc257_b B. 1D Pawn -194 10163
11 abc207_b B. Hydrate -161 12833
12 abc318_b B. Overlapping sheets -152 14562
13 abc220_c C. Long Sequence -86 13347
14 abc294_c C. Merge Sequences -59 10323
15 abc141_c C. Attack Survival -35 15341
16 abc134_c C. Exception Handling -31 15124
17 abc216_c C. Many Balls -6 12497
18 abc247_c C. 1 2 1 3 1 2 1 5 12333
19 tenka1_2012_qualA_1 A. 算盤の書 8 2019
20 abc203_c C. Friends and Travel costs 54 12280
21 abc215_c C. One More aab aba baa 76 12293
22 abc273_b B. Broken Rounding 77 9278
23 abc202_c C. Made Up 130 13249
24 tenka1_2013_qualB_a A. 天下一人力比較 147 1719
25 abc228_c C. Final Day 149 9512
26 arc124_a A. LR Constraints 149 3805
27 arc120_a A. Max Add 183 4163
28 abc127_c C. Prison 194 15611
29 abc219_c C. Neo-lexicographic Ordering 227 9760
30 abc166_c C. Peaks 233 16218
31 abc279_c C. RANDOM 246 8672
32 abc151_c C. Welcome to AtCoder 327 13814
33 abc246_c C. Coupon 330 10600
34 ddcc2020_qual_b B. Iron Bar Cutting 350 5937
35 abc210_c C. Colorful Candies 357 10881
36 abc222_c C. Swiss-System Tournament 366 8575
37 abc357_c C. Sierpinski carpet 370 10118
38 abc194_c C. Squared Error 386 11683
39 abc186_d D. Sum of difference 436 11152
40 arc126_a A. Make 10 465 3942
41 abc213_c C. Reorder Cards 481 10697
42 abc154_d D. Dice in Line 485 12722
43 arc104_b B. DNA Sequence 487 7356
44 abc171_d D. Replacing 498 13389
45 abc267_c C. Index × A(Continuous ver.) 524 8741
46 abc256_d D. Union of Interval 546 7879
47 abc278_d D. All Assign Point Add 559 7793
48 arc130_b B. Colorful Lines 576 3114
49 abc275_d D. Yet Another Recursive Function 606 7958
50 arc107_b B. Quadruple 633 5288
51 arc098_a C. Attention 635 11458
52 abc183_d D. Water Heater 662 9561
53 abc122_c C. GeT AC 700 12143
54 abc182_d D. Wandering 701 8971
55 abc233_d D. Count Interval 726 7818
56 abc229_d D. Longest X 745 7358
57 abc167_d D. Teleporter 754 12408
58 abc337_d D. Cheating Gomoku Narabe 760 6974
59 abc225_d D. Play Train 778 6916
60 arc013_2 B. 引越しできるかな？ 788 2490
61 abc294_e E. 2xN Grid 792 5581
62 abc136_d D. Gathering Children 794 10224
63 arc009_2 B. おとぎの国の高橋君 830 2549
64 abc221_d D. Online games 832 7482
65 abc353_d D. Another Sigma Problem 844 7371
66 arc042_a A. 掲示板 861 2976
67 abc130_d D. Enough Array 865 10814
68 abc113_c C. ID 878 9420
69 abc252_d D. Distinct Trio 884 7279
70 abc037_c C. 総和 915 6081
71 abc172_c C. Tsundoku 930 11674
72 abc188_d D. Snuke Prime 933 7852
73 abc295_d D. Three Days Ago 939 7205
74 arc035_b B. アットコーダー王国のコンテスト事情 949 2366
75 abc036_c C. 座圧 956 5458
76 abc163_d D. Sum of Large Numbers 960 10154
77 agc002_b B. Box and Ball 981 5690
78 abc278_e E. Grid Filling 996 4857
79 agc011_b B. Colorful Creatures 998 4683
80 abc334_c C. Socks 2 1030 5847
81 abc367_d D. Pedometer 1037 6074
82 agc023_a A. Zero-Sum Ranges 1038 6413
83 abc035_c C. オセロ 1096 5038
84 nikkei2019_qual_c C. Different Strokes 1136 4423
85 abc246_d D. 2-variable Function 1148 7049
86 arc109_c C. Large RPS Tournament 1157 3364
87 abc297_e E. Kth Takoyaki Set 1176 5449
88 arc026_2 B. 完全数 1199 3153
89 abc089_d D. Practical Skill Test 1220 4805
90 abc338_d D. Island Tour 1234 4296
91 abc032_c C. 列 1244 5491
92 abc241_e E. Putting Candies 1248 4614
93 abc247_e E. Max Min 1256 4933
94 tokiomarine2020_c C. Lamps 1274 3867
95 abc014_3 C. AtColor 1276 5659
96 abc242_d D. ABC Transform 1286 4923
97 tenka1_2013_qualB_b B. 天下一後入れ先出しデータ構造 1286 1183
98 arc048_b B. AtCoderでじゃんけんを 1290 1791
99 abc106_d D. AtCoder Express 2 1319 5674
100 abc281_e E. Least Elements 1334 4127
101 arc119_c C. ARC Wrecker 2 1354 2578
102 abc187_e E. Through Path 1358 4930
103 arc025_2 B. チョコレート 1369 1699
104 abc367_e E. Permute K times 1370 4241
105 arc126_b B. Cross-free Matching 1370 2443
106 abc037_d D. 経路 1377 2814
107 abc080_d D. Recording 1383 3851
108 abc279_e E. Cheating Amidakuji 1390 3143
109 abc153_f F. Silver Fox vs Monster 1393 4811
110 arc022_2 B. 細長いお菓子 1395 2819
111 arc098_b D. Xor Sum 2 1404 6393
112 abc184_f F. Programming Contest 1423 5029
113 abc272_e E. Add and Mex 1434 3841
114 abc005_4 D. おいしいたこ焼きの焼き方 1447 3123
115 abc105_d D. Candy Distribution 1458 4860
116 arc120_c C. Swaps 2 1478 2279
117 abc123_d D. Cake 123 1489 5727
118 arc045_b B. ドキドキデート大作戦高橋君 1526 1734
119 abc018_3 C. 菱型カウント 1553 2244
120 abc001_4 D. 感雨時刻の整理 1565 3457
121 tenka1_2014_qualA_b B. かぶりん！ 1576 774
122 abc183_f F. Confluence 1586 3757
123 abc017_3 C. ハイスコア 1607 2851
124 arc017_3 C. 無駄なものが嫌いな人 1625 1939
125 abc351_e E. Jump Distance Sum 1627 3100
126 abc271_f F. XOR on Grid Path 1669 2822
127 abc377_e E. Permute K times 2 1685 2197
128 abc335_f F. Hop Sugoroku 1690 2517
129 abc204_e E. Rush Hour 2 1710 2663
130 abc018_4 D. バレンタインデー 1711 1967
131 abc339_f F. Product Equality 1716 2758
132 arc138_c C. Rotate and Play Game 1728 1690
133 abc013_4 D. 阿弥陀 1730 1774
134 arc071_c E. TrBBnsformBBtion 1739 2176
135 abc203_e E. White Pawn 1750 2366
136 abc023_c C. 収集王 1752 2343
137 abc293_g G. Triple Index 1753 2339
138 abc146_e E. Rem of Sum is Num 1762 3362
139 abc249_f F. Ignore Operations 1786 2302
140 arc089_b D. Checker 1797 2699
141 agc008_b B. Contiguous Repainting 1822 2511
142 abc242_g G. Range Pairing Query 1828 2322
143 agc026_c C. String Coloring 1836 2244
144 abc188_f F. +1-1x2 1865 3014
145 abc326_f F. Robot Rotation 1870 1933
146 agc010_b B. Boxes 1892 2419
147 arc014_4 D. grepマスター 1904 649
148 arc136_d D. Without Carry 1908 1574
149 abc336_f F. Rotation Puzzle 2018 1265
150 arc101_b D. Median of Medians 2073 2652
151 arc077_c E. guruguru 2117 1675
152 abc342_f F. Black Jack 2141 1251
153 arc020_3 C. A mod B Problem 2141 713
154 arc060_c E. Tak and Hotels 2154 2234
155 tokiomarine2020_d D. Knapsack Queries on a tree 2158 1234
156 arc003_4 D. シャッフル席替え 2194 535
157 dwango2016qual_d D. 庭園 2233 256
158 abc238_g G. Cubic? 2254 1441
159 abc143_f F. Distinct Numbers 2277 1538
160 abc212_f F. Greedy Takahashi 2332 1161
161 arc027_4 D. ぴょんぴょんトレーニング 2474 175
162 abc168_f F. . (Single Dot) 2478 854
163 arc024_4 D. バス停 2496 183
164 arc119_e E. Pancakes 2502 677
165 code_festival_morning_hard_c C. 宝探し 2 2521 98
166 code_formula_2014_final_h H. 平和協定 2726 100
167 arc067_d F. Yakiniku Restaurants 2729 1244
168 abc212_h H. Nim Counting 2741 623
169 acl1_d D. Keep Distances 2764 360
170 agc044_c C. Strange Dance 2889 670
171 agc011_d D. Half Reflector 2931 796
172 agc003_e E. Sequential operations on Sequence 2983 1246
173 agc003_f F. Fraction of Fractal 3344 770
174 arc070_c E. NarrowRectangles 3365 578
175 arc072_d F. Dam 3414 582
176 arc063_d F. Snuke's Coloring 2 3688 471
177 typical90_d 004. Cross Sum（★2） null 13885
178 typical90_j 010. Score Sum Queries（★2） null 10565
179 typical90_n 014. We Used to Sing a Song Together（★3） null 8184
180 past201912_c C. The Third null 7167
181 typical90_bo 067. Base 8 to 9（★2） null 5659
182 typical90_ar 044. Shift and Swapping（★3） null 5440
183 past201912_d D. Duplicated? null 5051
184 typical90_ab 028. Cluttered Paper（★4） null 4673
185 typical90_ah 034. There are few types of elements（★4） null 4404
186 math_and_algorithm_al 041. Convenience Store 2 null 4306
187 typical90_bl 064. Uplift（★3） null 4207
188 typical90_bx 076. Cake Cut（★3） null 4184
189 past201912_e E. Restore null 4072
190 typical90_bf 058. Original Calculator（★4） null 3666
191 joi2008ho_c C. ダーツ null 3384
192 nikkei2019_final_a A. Abundant Resources null 3231
193 typical90_aj 036. Max Manhattan Distance（★5） null 2982
194 judge_update_202004_b B. Picking Balls null 2547
195 typical90_ay 051. Typical Shop（★5） null 2495
196 past202004_c C. Landslide null 2483
197 past201912_h H. Bulk Selling null 2168
198 past202005_e E. Sprinklers null 2165
199 tessoku_book_cl B13. Supermarket 2 null 2156
200 bitflyer2018_qual_b B. 洋菓子店 null 2058
201 joi2010ho_a A. 旅人 null 2055
202 typical90_cc 081. Friendly Group（★5） null 2024
203 yahoo_procon2017_qual_a A. Yahoo null 1915
204 joisc2014_c C. 歴史の研究 null 1845
205 joi2007ho_a A. 最大の和 null 1820
206 joi2015ho_a A. 鉄道旅行 (Railroad Trip) null 1625
207 past202004_e E. Permutation null 1549
208 gigacode_2019_d D. 家の建設 null 1545
209 joi2011ho1 A. 惑星探査 (Planetary Exploration) null 1489
210 typical90_e 005. Restricted Digits（★7） null 1474
211 joi2020_yo1a_c C. マージ (Merge) null 1450
212 past202005_b B. Dynamic Scoring null 1392
213 joi2019_yo_b B. すごろくと駒 (Sugoroku and Pieces) null 1379
214 past202004_g G. String Query null 1361
215 s8pc_1_e E. 散歩 (E869120 and Path Length) null 1328
216 math_and_algorithm_aj 039. Snowy Days null 1292
217 kupc2019_a A. November Festival null 1287
218 fft_c C. 高速フーリエ変換 null 1283
219 typical90_bj 062. Paint All（★6） null 1227
220 dwacon2018_prelims_b B. 2525文字列分解 null 1178
221 judge_update_202004_d D. Calculating GCD null 1165
222 kupc2020_a A. Classroom Distance null 1120
223 s8pc_6_a A. E869120, who Leaps through Time null 1117
224 past202004_i I. Elimination null 1095
225 past202012_d D. Leading Zeros null 1081
226 joi2008yo_c C. カードゲーム null 1080
227 chokudai_S001_i I. 和がNの区間 null 1079
228 code_thanks_festival_2018_c C. Pair Distance null 1073
229 joi2016yo_b B. ゼッケンの交換 (Swapping Bibs) null 1057
230 joi2007yo_d D. カードの並び替え null 1050
231 joi2010yo_b B. すごろく null 1026
232 joi2017ho_a A. フェーン現象 (Foehn Phenomena) null 1009
233 past202104_d D. K Integers Summations null 1005
234 practice2_h H. Two SAT null 959
235 iroha2019_day1_e E. 放課後 null 957
236 joi2015yo_c C. 気象予報士 (Weather Forecaster) null 929
237 joi2012yo_b B. サッカー (Soccer) null 925
238 joi2014yo_c C. 超都観光 (Super Metropolis) null 911
239 joi2007ho_b B. 最長の階段 null 900
240 joi2019ho_a A. 勇者ビ太郎 (Bitaro the Brave) null 898
241 joi2012ho4 D. 釘 (Nails) null 897
242 typical90_ce 083. Colorful Graph（★6） null 886
243 jsc2019_final_a A. Equal Weight null 885
244 joisc2007_score score. 得点 (Score) null 867
245 joi2021_yo2_a A. 往復すごろく (Round Sugoroku) null 863
246 mujin_pc_2018_c C. 右折 null 843
247 typical90_cj 088. Similar but Different Ways（★6） null 842
248 past202005_i I. Matrix Operations null 837
249 joi2006yo_a A. JOI 2006 予選 問題1 null 750
250 joi2020ho_a A. 長いだけのネクタイ (Just Long Neckties) null 734
251 past202010_i I. ピザ null 713
252 joisc2007_mall mall. ショッピングモール (Mall) null 703
253 joi2013yo_e E. 魚の生息範囲 (Fish) null 693
254 s8pc_5_a A. Sushi 2 null 690
255 past201912_n N. Land Clearing null 684
256 typical90_bg 059. Many Graph Queries（★7） null 669
257 bitflyer2018_final_b B. 交通費 null 643
258 joisc2014_h H. JOIOJI null 632
259 iroha2019_day2_c C. 陽気な妖姫 null 625
260 cpsco2019_s3_c C. Camp Reception null 602
261 past202104_f F. Safety System null 584
262 joisc2010_poster poster. JOIポスター (JOI Poster) null 582
263 joi2008ho_e E. ペンキの色 null 568
264 joi2018ho_b B. 美術展 (Art Exhibition) null 527
265 joisc2010_contest contest. コンテスト (Contest) null 503
266 tkppc3_c C. 新入生歓迎数列 - Easy null 481
267 joisc2015_b B. 愉快なロゴデザイン null 445
268 bcu30_2019_a A. Wolf Keyboard null 433
269 jag2016secretspring_b B. 豪邸と宅配便 null 421
270 joi2006yo_c C. JOI 2006 予選 問題3 null 416
271 bitflyer2018_qual_d D. ハンコ null 412
272 tkppc4_1_f F. 不便な橋 null 391
273 relay_c C. Kode Festival null 389
274 tkppc2015_c C. お姉ちゃんって呼んで (Call me sister) null 381
275 joi2022_yo2_c C. 国土分割 (Land Division) null 369
276 donuts_live2014_1 A. 勤怠管理 null 337
277 joi2009yo_e E. シャッフル null 320
278 relay2_b B. Evergrowing Tree null 317
279 jag2017summer_day3_a A. Star in Parentheses null 315
280 tkppc2016_c C. 有給休暇（Paid Vacation） null 309
281 qupc2014_c C. 案内所 null 305
282 past202012_o O. Notification null 304
283 past202005_n N. Swap and Sort null 290
284 code_thanks_festival_2015_d D. 暴露 null 288
285 code_thanks_festival_14_quala_e E. 儀式 null 283
286 tkppc3_d D. 巨大チェスボード null 281
287 indeednow_2015_finalb_b B. How are you? null 277
288 tkppc4_1_i I. school competition 1 null 249
289 joisc2010_aplusb aplusb. 足し算 (a + b problem) null 240
290 joisc2014_i I. かかし null 228
291 k4pc_b B. コミュニケーション能力(Communication Ability) null 220
292 qupc2018_e E. Treeone null 216
293 past202104_m M. Equal Queries null 212
294 kupc2012pr_4 D. A mul B Problem null 196
295 ddcc_2016_final_c C. 01文字列 null 187
296 donuts_live2014_3 C. ソーシャルゲーム null 187
297 joisc2018_h H. ビ太郎のパーティー (Bitaro's Party) null 171
298 yahoo_procon2017_final_c C. 倍数クエリ null 164
299 past202212_n N. Sequence and Function null 142
300 dwango2017final_b B. ニワンゴくんの約数 null 97
301 maximum_2013_j J. ALPHAのならび null 94
302 maximum_2013_e E. Alicia's Rare card Challenge null 91
303 tkppc4_2_f F. Segtree☆Magica null 88
304 code_thanks_festival_2015_h H. 穴あきケーキ null 85
305 kupc2012_6 F. Acceleration of Network null 82
306 jsc2019_final_d D. Minimize Maximum null 65
307 utpc2012_08 H. 区間スケジューリングクエリ null 64
308 wupc2019_h H. Doki Doki Programming Clubs! null 62
309 joisc2019_b B. ビーバーの会合 (Meetings) null 58
310 joi2006ho_e E. JOI 2006 本選 問題5 null 52
311 maximum_2013_h H. さいたまの矛盾 null 44
312 k2pc001_h5 E. 暗号化(Encipherment) null 39
313 wupc_09 I. その味は甘くて null 31
314 joisc2019_l L. 鉱物 (Minerals) null 31
315 pakencamp_2019_day4_f F. イーハチはやる null 26