Technique

# ID Name Difficulty Solver
1 abc171_b B. Mix Juice -765 20585
2 abc317_b B. MissingNo. -764 14048
3 abc336_b B. CTZ -683 14230
4 abc242_b B. Minimize Ordering -478 15021
5 abc311_b B. Vacation Together -312 14460
6 abc256_b B. Batters -227 11412
7 abc328_b B. 11/11 -213 12871
8 abc165_b B. 1% -200 20229
9 abc257_b B. 1D Pawn -194 10669
10 abc207_b B. Hydrate -161 13362
11 abc318_b B. Overlapping sheets -152 15397
12 abc220_c C. Long Sequence -86 15650
13 abc294_c C. Merge Sequences -59 11171
14 abc141_c C. Attack Survival -35 16100
15 abc134_c C. Exception Handling -31 15976
16 abc216_c C. Many Balls -6 13553
17 abc247_c C. 1 2 1 3 1 2 1 5 13902
18 tenka1_2012_qualA_1 A. 算盤の書 8 2093
19 abc203_c C. Friends and Travel costs 54 12876
20 abc215_c C. One More aab aba baa 76 13239
21 abc273_b B. Broken Rounding 77 9797
22 abc202_c C. Made Up 130 14278
23 tenka1_2013_qualB_a A. 天下一人力比較 147 1785
24 abc228_c C. Final Day 149 10272
25 arc124_a A. LR Constraints 149 3936
26 arc120_a A. Max Add 183 4433
27 abc127_c C. Prison 194 16654
28 abc219_c C. Neo-lexicographic Ordering 227 10477
29 abc166_c C. Peaks 233 17169
30 abc279_c C. RANDOM 246 9268
31 abc151_c C. Welcome to AtCoder 327 14465
32 abc246_c C. Coupon 330 11354
33 ddcc2020_qual_b B. Iron Bar Cutting 350 6273
34 abc210_c C. Colorful Candies 357 11518
35 abc222_c C. Swiss-System Tournament 366 9173
36 abc357_c C. Sierpinski carpet 370 11097
37 abc194_c C. Squared Error 386 12432
38 abc186_d D. Sum of difference 436 12348
39 arc126_a A. Make 10 465 4132
40 abc213_c C. Reorder Cards 481 11685
41 abc154_d D. Dice in Line 485 13439
42 arc104_b B. DNA Sequence 487 7672
43 abc171_d D. Replacing 498 14143
44 abc267_c C. Index × A(Continuous ver.) 524 9485
45 abc256_d D. Union of Interval 546 8492
46 abc278_d D. All Assign Point Add 559 8431
47 arc130_b B. Colorful Lines 576 3279
48 abc275_d D. Yet Another Recursive Function 606 8815
49 arc107_b B. Quadruple 633 5483
50 arc098_a C. Attention 635 12273
51 abc183_d D. Water Heater 662 10088
52 abc122_c C. GeT AC 700 13149
53 abc182_d D. Wandering 701 9407
54 abc233_d D. Count Interval 726 8708
55 abc229_d D. Longest X 745 8243
56 abc167_d D. Teleporter 754 13202
57 abc337_d D. Cheating Gomoku Narabe 760 7573
58 abc225_d D. Play Train 778 7599
59 arc013_2 B. 引越しできるかな？ 788 2591
60 abc294_e E. 2xN Grid 792 5981
61 abc136_d D. Gathering Children 794 10827
62 arc009_2 B. おとぎの国の高橋君 830 2619
63 abc221_d D. Online games 832 8199
64 abc353_d D. Another Sigma Problem 844 8296
65 arc042_a A. 掲示板 861 3054
66 abc130_d D. Enough Array 865 11650
67 abc113_c C. ID 878 9938
68 abc252_d D. Distinct Trio 884 7878
69 abc037_c C. 総和 915 6497
70 abc172_c C. Tsundoku 930 12205
71 abc188_d D. Snuke Prime 933 8622
72 abc295_d D. Three Days Ago 939 8221
73 arc035_b B. アットコーダー王国のコンテスト事情 949 2438
74 abc036_c C. 座圧 956 5713
75 abc163_d D. Sum of Large Numbers 960 10434
76 agc002_b B. Box and Ball 981 6045
77 abc386_d D. Diagonal Separation 996 5393
78 abc278_e E. Grid Filling 996 5228
79 agc011_b B. Colorful Creatures 998 4932
80 abc334_c C. Socks 2 1030 6484
81 abc367_d D. Pedometer 1037 6927
82 agc023_a A. Zero-Sum Ranges 1038 6855
83 abc035_c C. オセロ 1096 5316
84 nikkei2019_qual_c C. Different Strokes 1136 4549
85 abc246_d D. 2-variable Function 1148 7714
86 arc109_c C. Large RPS Tournament 1157 3492
87 abc297_e E. Kth Takoyaki Set 1176 6095
88 arc026_2 B. 完全数 1199 3307
89 abc089_d D. Practical Skill Test 1220 5102
90 abc338_d D. Island Tour 1234 4879
91 abc032_c C. 列 1244 5939
92 abc241_e E. Putting Candies 1248 5134
93 abc247_e E. Max Min 1256 5392
94 tokiomarine2020_c C. Lamps 1274 3932
95 abc014_3 C. AtColor 1276 6134
96 abc242_d D. ABC Transform 1286 5375
97 tenka1_2013_qualB_b B. 天下一後入れ先出しデータ構造 1286 1235
98 arc048_b B. AtCoderでじゃんけんを 1290 1856
99 abc106_d D. AtCoder Express 2 1319 6106
100 abc281_e E. Least Elements 1334 4629
101 arc119_c C. ARC Wrecker 2 1354 2805
102 abc187_e E. Through Path 1358 5257
103 arc025_2 B. チョコレート 1369 1744
104 abc367_e E. Permute K times 1370 4994
105 arc126_b B. Cross-free Matching 1370 2592
106 abc037_d D. 経路 1377 2960
107 abc080_d D. Recording 1383 4120
108 abc279_e E. Cheating Amidakuji 1390 3478
109 abc153_f F. Silver Fox vs Monster 1393 5199
110 arc022_2 B. 細長いお菓子 1395 2967
111 arc098_b D. Xor Sum 2 1404 7060
112 abc184_f F. Programming Contest 1423 5823
113 abc272_e E. Add and Mex 1434 4210
114 abc005_4 D. おいしいたこ焼きの焼き方 1447 3342
115 abc105_d D. Candy Distribution 1458 5260
116 arc120_c C. Swaps 2 1478 2481
117 abc123_d D. Cake 123 1489 6219
118 arc045_b B. ドキドキデート大作戦高橋君 1526 1796
119 abc018_3 C. 菱型カウント 1553 2384
120 abc001_4 D. 感雨時刻の整理 1565 3742
121 tenka1_2014_qualA_b B. かぶりん！ 1576 797
122 abc183_f F. Confluence 1586 4060
123 abc440_e E. Cookies 1603 2690
124 abc017_3 C. ハイスコア 1607 2968
125 arc017_3 C. 無駄なものが嫌いな人 1625 2033
126 abc351_e E. Jump Distance Sum 1627 3568
127 abc271_f F. XOR on Grid Path 1669 3395
128 abc377_e E. Permute K times 2 1685 2804
129 abc335_f F. Hop Sugoroku 1690 3063
130 abc204_e E. Rush Hour 2 1710 2899
131 abc018_4 D. バレンタインデー 1711 2078
132 abc339_f F. Product Equality 1716 3181
133 arc138_c C. Rotate and Play Game 1728 1808
134 abc013_4 D. 阿弥陀 1730 1888
135 arc071_c E. TrBBnsformBBtion 1739 2315
136 abc203_e E. White Pawn 1750 2615
137 abc023_c C. 収集王 1752 2443
138 abc293_g G. Triple Index 1753 2869
139 abc146_e E. Rem of Sum is Num 1762 3612
140 abc249_f F. Ignore Operations 1786 2505
141 arc089_b D. Checker 1797 2852
142 agc008_b B. Contiguous Repainting 1822 2868
143 abc242_g G. Range Pairing Query 1828 2813
144 agc026_c C. String Coloring 1836 2396
145 abc188_f F. +1-1x2 1865 3207
146 abc326_f F. Robot Rotation 1870 2196
147 agc010_b B. Boxes 1892 2624
148 arc014_4 D. grepマスター 1904 683
149 arc136_d D. Without Carry 1908 1815
150 abc336_f F. Rotation Puzzle 2018 1433
151 arc101_b D. Median of Medians 2073 3025
152 arc077_c E. guruguru 2117 1791
153 abc342_f F. Black Jack 2141 1414
154 arc020_3 C. A mod B Problem 2141 725
155 arc060_c E. Tak and Hotels 2154 2533
156 tokiomarine2020_d D. Knapsack Queries on a tree 2158 1307
157 arc003_4 D. シャッフル席替え 2194 551
158 dwango2016qual_d D. 庭園 2233 262
159 abc238_g G. Cubic? 2254 1669
160 abc143_f F. Distinct Numbers 2277 1660
161 abc212_f F. Greedy Takahashi 2332 1336
162 arc027_4 D. ぴょんぴょんトレーニング 2474 176
163 abc168_f F. . (Single Dot) 2478 901
164 arc024_4 D. バス停 2496 195
165 arc119_e E. Pancakes 2502 756
166 code_festival_morning_hard_c C. 宝探し 2 2521 104
167 code_formula_2014_final_h H. 平和協定 2726 98
168 arc067_d F. Yakiniku Restaurants 2729 1456
169 abc212_h H. Nim Counting 2741 859
170 acl1_d D. Keep Distances 2764 374
171 agc044_c C. Strange Dance 2889 830
172 agc011_d D. Half Reflector 2931 873
173 agc003_e E. Sequential operations on Sequence 2983 1439
174 agc003_f F. Fraction of Fractal 3344 918
175 arc070_c E. NarrowRectangles 3365 741
176 arc072_d F. Dam 3414 682
177 arc063_d F. Snuke's Coloring 2 3688 578
178 typical90_d 004. Cross Sum（★2） null 16341
179 typical90_j 010. Score Sum Queries（★2） null 12443
180 typical90_n 014. We Used to Sing a Song Together（★3） null 9578
181 past201912_c C. The Third null 7766
182 typical90_bo 067. Base 8 to 9（★2） null 6631
183 typical90_ar 044. Shift and Swapping（★3） null 6359
184 math_and_algorithm_al 041. Convenience Store 2 null 5605
185 typical90_ab 028. Cluttered Paper（★4） null 5505
186 past201912_d D. Duplicated? null 5422
187 typical90_ah 034. There are few types of elements（★4） null 5148
188 typical90_bx 076. Cake Cut（★3） null 4972
189 typical90_bl 064. Uplift（★3） null 4951
190 past201912_e E. Restore null 4384
191 typical90_bf 058. Original Calculator（★4） null 4301
192 joi2008ho_c C. ダーツ null 3757
193 typical90_aj 036. Max Manhattan Distance（★5） null 3584
194 nikkei2019_final_a A. Abundant Resources null 3527
195 typical90_ay 051. Typical Shop（★5） null 2944
196 tessoku_book_cl B13. Supermarket 2 null 2902
197 past202004_c C. Landslide null 2693
198 joisc2014_c C. 歴史の研究 null 2611
199 judge_update_202004_b B. Picking Balls null 2557
200 past202005_e E. Sprinklers null 2450
201 typical90_cc 081. Friendly Group（★5） null 2423
202 past201912_h H. Bulk Selling null 2330
203 joi2010ho_a A. 旅人 null 2283
204 bitflyer2018_qual_b B. 洋菓子店 null 2080
205 joi2007ho_a A. 最大の和 null 2078
206 yahoo_procon2017_qual_a A. Yahoo null 1937
207 joi2015ho_a A. 鉄道旅行 (Railroad Trip) null 1827
208 typical90_e 005. Restricted Digits（★7） null 1816
209 joi2011ho1 A. 惑星探査 (Planetary Exploration) null 1700
210 gigacode_2019_d D. 家の建設 null 1670
211 past202004_e E. Permutation null 1658
212 joi2020_yo1a_c C. マージ (Merge) null 1619
213 math_and_algorithm_aj 039. Snowy Days null 1588
214 joi2019_yo_b B. すごろくと駒 (Sugoroku and Pieces) null 1503
215 past202005_b B. Dynamic Scoring null 1481
216 s8pc_1_e E. 散歩 (E869120 and Path Length) null 1468
217 past202004_g G. String Query null 1455
218 typical90_bj 062. Paint All（★6） null 1451
219 fft_c C. 高速フーリエ変換 null 1385
220 kupc2019_a A. November Festival null 1306
221 joi2008yo_c C. カードゲーム null 1223
222 joi2007yo_d D. カードの並び替え null 1211
223 judge_update_202004_d D. Calculating GCD null 1204
224 joi2017ho_a A. フェーン現象 (Foehn Phenomena) null 1192
225 dwacon2018_prelims_b B. 2525文字列分解 null 1176
226 joi2016yo_b B. ゼッケンの交換 (Swapping Bibs) null 1162
227 past202004_i I. Elimination null 1157
228 joi2010yo_b B. すごろく null 1148
229 s8pc_6_a A. E869120, who Leaps through Time null 1143
230 kupc2020_a A. Classroom Distance null 1142
231 past202012_d D. Leading Zeros null 1137
232 chokudai_S001_i I. 和がNの区間 null 1128
233 past202104_d D. K Integers Summations null 1121
234 practice2_h H. Two SAT null 1098
235 code_thanks_festival_2018_c C. Pair Distance null 1092
236 typical90_ce 083. Colorful Graph（★6） null 1081
237 joi2012yo_b B. サッカー (Soccer) null 1063
238 joi2012ho4 D. 釘 (Nails) null 1056
239 joi2015yo_c C. 気象予報士 (Weather Forecaster) null 1052
240 joi2021_yo2_a A. 往復すごろく (Round Sugoroku) null 1041
241 joi2019ho_a A. 勇者ビ太郎 (Bitaro the Brave) null 1035
242 joi2007ho_b B. 最長の階段 null 1020
243 joi2014yo_c C. 超都観光 (Super Metropolis) null 1014
244 typical90_cj 088. Similar but Different Ways（★6） null 1013
245 iroha2019_day1_e E. 放課後 null 983
246 joisc2007_score score. 得点 (Score) null 960
247 jsc2019_final_a A. Equal Weight null 923
248 past202005_i I. Matrix Operations null 899
249 joi2020ho_a A. 長いだけのネクタイ (Just Long Neckties) null 887
250 mujin_pc_2018_c C. 右折 null 850
251 joi2006yo_a A. JOI 2006 予選 問題1 null 836
252 joi2013yo_e E. 魚の生息範囲 (Fish) null 817
253 typical90_bg 059. Many Graph Queries（★7） null 808
254 joisc2014_h H. JOIOJI null 794
255 past202010_i I. ピザ null 772
256 joisc2007_mall mall. ショッピングモール (Mall) null 771
257 past201912_n N. Land Clearing null 715
258 s8pc_5_a A. Sushi 2 null 690
259 bitflyer2018_final_b B. 交通費 null 669
260 joisc2010_poster poster. JOIポスター (JOI Poster) null 660
261 joi2008ho_e E. ペンキの色 null 658
262 iroha2019_day2_c C. 陽気な妖姫 null 649
263 cpsco2019_s3_c C. Camp Reception null 636
264 joi2018ho_b B. 美術展 (Art Exhibition) null 636
265 past202104_f F. Safety System null 618
266 joisc2010_contest contest. コンテスト (Contest) null 570
267 joisc2015_b B. 愉快なロゴデザイン null 519
268 tkppc3_c C. 新入生歓迎数列 - Easy null 491
269 joi2022_yo2_c C. 国土分割 (Land Division) null 489
270 bcu30_2019_a A. Wolf Keyboard null 455
271 joi2006yo_c C. JOI 2006 予選 問題3 null 453
272 jag2016secretspring_b B. 豪邸と宅配便 null 422
273 tkppc4_1_f F. 不便な橋 null 417
274 bitflyer2018_qual_d D. ハンコ null 411
275 relay_c C. Kode Festival null 411
276 tkppc2015_c C. お姉ちゃんって呼んで (Call me sister) null 401
277 joi2009yo_e E. シャッフル null 393
278 donuts_live2014_1 A. 勤怠管理 null 377
279 past202012_o O. Notification null 332
280 relay2_b B. Evergrowing Tree null 326
281 tkppc2016_c C. 有給休暇（Paid Vacation） null 325
282 qupc2014_c C. 案内所 null 324
283 jag2017summer_day3_a A. Star in Parentheses null 319
284 past202005_n N. Swap and Sort null 317
285 code_thanks_festival_14_quala_e E. 儀式 null 307
286 code_thanks_festival_2015_d D. 暴露 null 302
287 indeednow_2015_finalb_b B. How are you? null 298
288 tkppc3_d D. 巨大チェスボード null 296
289 joisc2010_aplusb aplusb. 足し算 (a + b problem) null 281
290 tkppc4_1_i I. school competition 1 null 279
291 joisc2014_i I. かかし null 266
292 past202104_m M. Equal Queries null 256
293 qupc2018_e E. Treeone null 236
294 k4pc_b B. コミュニケーション能力(Communication Ability) null 225
295 donuts_live2014_3 C. ソーシャルゲーム null 212
296 kupc2012pr_4 D. A mul B Problem null 211
297 joisc2018_h H. ビ太郎のパーティー (Bitaro's Party) null 195
298 ddcc_2016_final_c C. 01文字列 null 187
299 past202212_n N. Sequence and Function null 169
300 yahoo_procon2017_final_c C. 倍数クエリ null 166
301 maximum_2013_e E. Alicia's Rare card Challenge null 116
302 maximum_2013_j J. ALPHAのならび null 110
303 dwango2017final_b B. ニワンゴくんの約数 null 108
304 tkppc4_2_f F. Segtree☆Magica null 93
305 code_thanks_festival_2015_h H. 穴あきケーキ null 86
306 kupc2012_6 F. Acceleration of Network null 86
307 joisc2019_b B. ビーバーの会合 (Meetings) null 74
308 jsc2019_final_d D. Minimize Maximum null 67
309 utpc2012_08 H. 区間スケジューリングクエリ null 66
310 wupc2019_h H. Doki Doki Programming Clubs! null 65
311 pakencamp_2019_day4_f F. イーハチはやる null 58
312 joi2006ho_e E. JOI 2006 本選 問題5 null 54
313 maximum_2013_h H. さいたまの矛盾 null 51
314 k2pc001_h5 E. 暗号化(Encipherment) null 45
315 wupc_09 I. その味は甘くて null 36
316 joisc2019_l L. 鉱物 (Minerals) null 35