Graph

# ID Name Difficulty Solver
1 abc225_b C. Star or Not -345 12094
2 yahoo_procon2019_qual_b B. Path -122 5358
3 abc061_b B. Counting Roads 108 18357
4 abc204_c C. Tour 629 11843
5 abc362_d G. Shortest Path 3 634 9465
6 abc209_d D. Collision 686 8964
7 abc454_d D. (xx) 706 7343
8 abc376_d G. Cycle 743 8270
9 abc350_d G. New Friends 773 9269
10 abc420_e H. Reachability Query 790 6554
11 abc368_d G. Minimum Steiner Tree 816 8198
12 abc016_3 C. 友達の友達 830 5338
13 abc320_d G. Relative Position 873 7572
14 abc160_d D. Line++ 879 11802
15 abc138_d D. Ki 920 12177
16 abc315_e H. Prerequisites 921 6622
17 abc079_d D. Wall 949 7928
18 abc309_e H. Family and Insurance 957 6453
19 abc395_e H. Flip Edge 978 6395
20 abc088_d D. Grid Repainting 999 9841
21 abc218_e H. Destruction 1004 7137
22 abc291_e H. Find Permutation 1069 6237
23 abc239_e H. Subtree K-th Max 1084 5977
24 abc325_e H. Our clients, please wait a moment 1093 5157
25 arc037_b B. バウムテスト 1109 4275
26 abc286_e H. Souvenir 1128 4868
27 abc192_e E. Train 1135 5981
28 abc282_d G. Make Bipartite 2 1154 5693
29 abc328_e H. Modulo MST 1160 5567
30 abc012_4 D. バスと避けられない運命 1166 5333
31 abc070_d D. Transit Tree Path 1182 6574
32 abc277_e H. Crystal Switches 1183 5178
33 abc208_d D. Shortest Path Queries 2 1190 6827
34 abc146_d D. Coloring Edges on Tree 1192 6978
35 abc237_e H. Skiing 1208 4969
36 abc361_e H. Tree and Hamilton Path 2 1213 5675
37 abc256_e H. Takahashi's Anguish 1224 4769
38 agc014_b B. Unplanned Queries 1236 3997
39 abc054_c C. One-stroke Path 1244 10636
40 abc176_d D. Wizard in Maze 1248 8005
41 abc126_d D. Even Relation 1279 9590
42 abc296_e H. Transition Game 1285 4104
43 code_festival_morning_easy_c C. 身体バランス 1293 1294
44 abc252_e H. Road Reduction 1294 5255
45 abc357_e H. Reachability in Functional Graph 1295 5101
46 arc030_2 B. ツリーグラフ 1298 1851
47 abc235_e H. MST + 1 1304 5141
48 abc289_e H. Swap Places 1318 4617
49 abc191_e E. Come Back Quickly 1323 5176
50 abc021_c C. 正直者の高橋くん 1324 3137
51 arc111_b B. Reversible Cards 1334 3761
52 abc073_d D. joisino's travel 1345 5337
53 abc348_e H. Minimize Sum of Distances 1347 5003
54 agc039_b B. Graph Partition 1393 2913
55 abc245_f I. Endless Walk 1451 4309
56 abc342_e H. Last Train 1476 3567
57 arc011_3 C. ダブレット 1488 1449
58 abc022_c C. Blue Bird 1505 2864
59 nikkei2019_qual_d D. Restore the Tree 1541 2635
60 arc083_b D. Restoring Road Network 1563 5060
61 abc051_d D. Candidates of No Shortest Paths 1566 4766
62 abc035_d D. トレジャーハント 1591 3221
63 abc282_e H. Choose Two and Eat One 1604 4464
64 arc076_b D. Built? 1615 6564
65 abc383_e H. Sum of Max Matching 1616 3035
66 abc210_e E. Ring MST 1618 3136
67 zone2021_e E. Sneaking 1624 2252
68 abc132_e E. Hopscotch Addict 1625 4981
69 abc243_e H. Edge Deletion 1637 4487
70 soundhound2018_summer_qual_d D. Saving Snuuk 1637 2690
71 abc202_e E. Count Descendants 1638 4922
72 nikkei2019_2_qual_d D. Shortest Path on a Line 1647 2488
73 arc035_c C. アットコーダー王国の交通事情 1655 1419
74 codefestival_2016_qualB_c C. Gr-idian MST 1688 1854
75 arc022_3 C. ロミオとジュリエット 1694 1403
76 abc143_e E. Travel by Car 1695 4475
77 abc294_g G. Distance Queries on a Tree 1702 3305
78 arc056_b B. 駐車場 1726 1372
79 abc137_e E. Coins Respawn 1740 3991
80 arc044_b B. 最短路問題 1744 1354
81 abc387_f I. Count Arrays 1760 1937
82 agc013_b B. Hamiltonish Path 1763 2310
83 arc064_c E. Cosmic Rays 1769 2463
84 abc280_f I. Pay or Receive 1819 2420
85 agc044_a A. Pay to Win 1828 2681
86 abc270_f I. Transportation 1834 2727
87 abc061_d D. Score Attack 1838 4644
88 indeednow_2015_quala_4 D. パズル 1838 522
89 abc165_f F. LIS on Tree 1843 3725
90 abc014_4 D. 閉路 1856 2670
91 abc164_e E. Two Currencies 1877 3230
92 code_festival_2017_qualb_c C. 3 Steps 1883 2360
93 abc142_f F. Pure 1919 2403
94 jsc2019_qual_d D. Classified 1924 1417
95 arc008_3 C. THE☆たこ焼き祭り2012 1927 783
96 abc267_f I. Exactly K Steps 1939 3026
97 abc197_f F. Construct a Palindrome 1945 2816
98 arc025_3 C. ウサギとカメ 1954 822
99 abc216_g G. 01Sequence 1963 2411
100 abc152_f F. Tree and Constraints 1965 2564
101 abc170_f F. Pond Skater 1968 2724
102 arc029_3 C. 高橋君と国家 1973 996
103 arc065_b D. Connectivity 1996 5331
104 tenka1_2012_qualA_3 C. 敵対的引用 1996 347
105 arc045_c C. エックスオア多橋君 2022 880
106 agc035_b B. Even Degrees 2039 1798
107 agc027_c C. ABland Yard 2077 1472
108 abc291_h Ex. Balanced Tree 2097 1040
109 abc286_g G. Unique Walk 2135 1385
110 nikkei2019_2_qual_c C. Swaps 2136 1145
111 arc030_3 C. 有向グラフ 2180 520
112 abc362_f I. Perfect Matching on a Tree 2186 1533
113 arc063_c E. Integers on a Tree 2198 1655
114 agc015_c C. Nuske vs Phantom Thnook 2241 2421
115 arc052_c C. 高橋くんと不思議な道 2277 440
116 agc032_c C. Three Circuits 2284 1402
117 arc026_4 D. 道を直すお仕事 2297 1925
118 agc024_d D. Isomorphism Freak 2307 1107
119 arc049_c C. ぬりまーす 2308 357
120 arc090_c E. Avoiding Collision 2319 1653
121 arc115_d D. Odd Degree 2325 1048
122 abc133_f F. Colorful Tree 2330 2016
123 agc011_c C. Squared Graph 2355 1354
124 dwango2016qual_c C. メンテナンス明け 2384 201
125 jsc2021_g G. Spanning Tree 2451 458
126 abc364_g G. Last Major City 2455 809
127 arc084_b D. Small Multiple 2457 6531
128 agc028_c C. Min Cost Cycle 2463 1229
129 abc163_f F. path pass i 2470 1443
130 arc010_4 D. 情報伝播 2481 261
131 abc254_h Ex. Multiply or Divide by 2 2499 1048
132 arc061_c E. Snuke's Subway Trip 2502 2169
133 abc175_f F. Making Palindrome 2512 826
134 arc039_d D. 旅行会社高橋君 2550 333
135 arc093_c E. Bichrome Spanning Tree 2551 1100
136 tenka1_2015_qualA_d D. ハシポン 2559 117
137 abc306_g G. Return to 1 2563 698
138 keyence2019_e E. Connecting Cities 2623 891
139 abc210_f F. Coprime Solitaire 2632 883
140 arc018_4 D. 僕は友達が少ない 2644 160
141 discovery_2016_final_d D. ディスコ社内ツアーⅡ 2652 56
142 agc038_d D. Unique Path 2682 855
143 jsc2019_qual_e E. Card Collector 2691 706
144 abc155_f F. Perils in Parallel 2738 1213
145 tenka1_2014_qualA_e E. パズルの移動 2750 85
146 agc018_d D. Tree and Hamilton Path 2757 1146
147 arc103_d F. Distance Sums 2836 1594
148 agc016_e E. Poor Turkeys 3029 1331
149 arc045_d D. みんな仲良し高橋君 3039 193
150 arc048_d D. たこ焼き屋とQ人の高橋君 3062 151
151 codefestival_2016_final_g G. Zigzag MST 3072 453
152 arc021_4 D. だいたい最小全域木 3152 72
153 agc017_e E. Jigsaw 3158 647
154 arc062_d F. Painting Graphs with AtCoDeer 3175 583
155 abc269_h Ex. Antichain 3178 309
156 arc069_d F. Flags 3200 1228
157 agc006_f F. Blackout 3530 1124
158 agc027_f F. Grafting 3544 583
159 nikkei2019_2_qual_f F. Mirror Frame 3805 61
160 cf17_final_j J. Tree MST 3822 1008
161 typical90_c 003. Longest Circular Road（★4） null 9437
162 typical90_bz 078. Easy Graph Problem（★2） null 7749
163 typical90_z 026. Independent Set on a Tree（★4） null 5873
164 typical90_m 013. Passing（★5） null 5464
165 typical90_u 021. Come Back in One Piece（★5） null 4214
166 typical90_aq 043. Maze Challenge with Lack of Sleep（★4） null 3662
167 joi2008yo_f F. 船旅 null 2893
168 agc001_c C. Shorten Diameter null 2762
169 joi2016yo_e E. ゾンビ島 (Zombie Island) null 1927
170 practice2_g G. SCC null 1853
171 joisc2010_finals finals. 本選会場 (Finals) null 1588
172 joi2014yo_e E. タクシー (Taxis) null 1569
173 typical90_aw 049. Flip Digits 2（★6） null 1426
174 past201912_k K. Conglomerate null 1426
175 past202004_h H. 1-9 Grid null 1413
176 past201912_j J. Leveling null 1297
177 past201912_l L. Gradation null 1067
178 typical90_ai 035. Preserve Connectivity（★7） null 1016
179 tenka1_2016_qualA_b B. PackDrop null 778
180 mujin_pc_2018_d D. うほょじご null 774
181 code_festival_2018_final_a A. 2540 null 772
182 past202010_j J. ワープ null 708
183 maximum_cup_2018_c C. 嘘つきな天使たち null 683
184 past202005_m M. Real Traveling Salesman null 668
185 joi2015ho_c C. JOI 公園 (JOI Park) null 649
186 joi2017yo_f F. ヘビの JOI 君 (Snake JOI) null 638
187 typical90_bs 071. Fuzzy Priority（★7） null 633
188 iroha2019_day2_d D. 楽しすぎる家庭菜園 null 579
189 joi2021_yo2_b B. パンケーキ (Pancake) null 548
190 past202104_g G. One Step at a Time null 536
191 jsc2019_final_b B. Reachability null 532
192 past202010_m M. 筆塗り null 527
193 code_thanks_festival_2017_g G. Mixture Drug null 521
194 joig2021_e E. パレード (Parade) null 515
195 mujin_pc_2018_e E. 迷路 null 513
196 past202107_j J. Never Ending Journey null 501
197 joisc2007_route route. 象使い (Route) null 493
198 joi2011ho3 C. JOI 国の買い物事情 (Shopping in JOI Kingdom) null 492
199 joi2013ho3 3. 現代的な屋敷 (Modern Mansion) null 482
200 past202004_o O. Variable Spanning Trees null 470
201 joisc2008_flu flu. インフルエンザ (Flu) null 457
202 past202107_k K. Flying Trip null 442
203 joisc2008_sheet sheet. 色紙 (Sheet) null 437
204 qupc2018_c C. Ito Campus null 433
205 tkppc4_1_h H. don't be late null 431
206 wupc2012_5 E. 会場への道 null 427
207 indeednow_2015_finalb_d D. Game on a Grid null 423
208 joisc2009_advertisement advertisement. 宣伝 (Advertisement) null 399
209 past202104_l L. Urban Planning null 385
210 dwacon5th_final_a A. Taro vs. Jiro null 375
211 iroha2019_day1_i I. リスのお仕事 null 339
212 iroha2019_day2_g G. 通学路 null 337
213 icpc2012autumn_c C. Median Tree null 316
214 joisc2014_f F. 友だちをつくろう null 313
215 past202104_o O. Shortest Distance Query null 304
216 utpc2013_03 C. 直径 null 303
217 kupc2015_c C. 最短経路 null 276
218 yahoo_procon2019_final_b B. Bonsai Grafting null 248
219 asaporo_c A. Graph null 237
220 cf_2015_relay_f F. グラフの個数 null 236
221 joi2012ho5 E. JOI 国のお祭り事情 (Festivals in JOI Kingdom) null 235
222 kupc2017_e E. Treasure Hunt null 226
223 joisc2014_j J. 電圧 null 225
224 fuka_liquid C. 流れ null 216
225 ttpc2019_f F. Road Construction null 194
226 wupc2019_c C. Permutation City null 194
227 utpc2013_08 H. Asteroids2 null 193
228 ttpc2019_m M. Inversion Numbers of Tree null 190
229 joi2017ho_d D. サッカー (Soccer) null 182
230 code_festival_relay_f F. ループを探せ null 176
231 code_thanks_festival_2015_g G. カメレオン null 169
232 yahoo_procon2018_final_c C. 木の問題 null 162
233 s8pc_6_e E. 90-degree Rotations null 147
234 pakencamp_2019_day4_e E. IOI のために null 143
235 tenka1_2015_final_f F. 根付き木のみさわさん null 130
236 ddcc2017_final_c C. グラフいじり null 111
237 njpc2017_h H. 白黒ツリー null 110
238 iroha2019_day2_k K. 虫取り null 106
239 joisc2011_report report. 報告 (Report) null 104
240 code_festival_relay_i I. 信号待ち null 104
241 qupc2018_g G. Tapu & Tapi 2 null 103
242 nyc2015_5 E. ひも null 102
243 utpc2013_06 F. 魔法の糸 null 97
244 yuha_c88_d D. 氷柱の上の聖剣 null 97
245 yahoo_procon2018_qual_e E. グラフの問題 null 94
246 kupc2012_11 K. XOR回廊 null 90
247 maximum_cup_2018_e E. Interrupt Array null 90
248 joisc2012_building2 building2. ビルの飾り付け 2 null 84
249 cpsco2019_s2_g G. MSTX null 78
250 nikkei2019_final_f F. Flights null 78
251 utpc2013_09 I. 支配と友好 null 68
252 otemae2019_g G. 空をかけるピ太郎 (Pitaro, who Leaps through Air) null 68
253 nikkei2019_final_g G. Greatest Journey null 59
254 ttpc2015_n N. 何かグラフの問題 null 55
255 nikkei2019_2_final_d D. 木、 null 53
256 code_festival_exhibition_a A. パズル null 45
257 tenka1_2016_qualA_e E. 無限グラフ null 41
258 cpsco2019_s4_f F. Lost Tree null 41
259 dwacon6th_final_c C. Tree Shrinking null 38
260 dwacon5th_final_c C. Interval and MST null 31
261 k4pc_f F. タイトル未定(Untitled) null 20