Graph

# ID Name Difficulty Solver
1 abc225_b B. Star or Not -345 11132
2 yahoo_procon2019_qual_b B. Path -122 5163
3 abc061_b B. Counting Roads 108 16226
4 abc204_c C. Tour 629 10902
5 abc362_d D. Shortest Path 3 634 8476
6 abc209_d D. Collision 686 8362
7 abc376_d D. Cycle 743 7330
8 abc350_d D. New Friends 773 8325
9 abc368_d D. Minimum Steiner Tree 816 7437
10 abc016_3 C. 友達の友達 830 5143
11 abc320_d D. Relative Position 873 6850
12 abc160_d D. Line++ 879 11383
13 abc138_d D. Ki 920 11120
14 abc315_e E. Prerequisites 921 6028
15 abc079_d D. Wall 949 7409
16 abc309_e E. Family and Insurance 957 5879
17 abc395_e E. Flip Edge 978 5157
18 abc088_d D. Grid Repainting 999 9131
19 abc218_e E. Destruction 1004 6423
20 abc291_e E. Find Permutation 1069 5342
21 abc239_e E. Subtree K-th Max 1084 5472
22 abc325_e E. Our clients, please wait a moment 1093 4605
23 arc037_b B. バウムテスト 1109 4123
24 abc286_e E. Souvenir 1128 4379
25 abc192_e E. Train 1135 5620
26 abc282_d D. Make Bipartite 2 1154 5101
27 abc328_e E. Modulo MST 1160 5077
28 abc012_4 D. バスと避けられない運命 1166 5065
29 abc070_d D. Transit Tree Path 1182 6108
30 abc277_e E. Crystal Switches 1183 4631
31 abc208_d D. Shortest Path Queries 2 1190 6216
32 abc146_d D. Coloring Edges on Tree 1192 6656
33 abc237_e E. Skiing 1208 4421
34 abc361_e E. Tree and Hamilton Path 2 1213 5062
35 abc256_e E. Takahashi's Anguish 1224 4379
36 agc014_b B. Unplanned Queries 1236 3851
37 abc054_c C. One-stroke Path 1244 9913
38 abc176_d D. Wizard in Maze 1248 7379
39 abc126_d D. Even Relation 1279 8954
40 abc296_e E. Transition Game 1285 3754
41 code_festival_morning_easy_c C. 身体バランス 1293 1264
42 abc252_e E. Road Reduction 1294 4675
43 abc357_e E. Reachability in Functional Graph 1295 4376
44 arc030_2 B. ツリーグラフ 1298 1793
45 abc235_e E. MST + 1 1304 4527
46 abc289_e E. Swap Places 1318 4156
47 abc191_e E. Come Back Quickly 1323 4835
48 abc021_c C. 正直者の高橋くん 1324 2984
49 arc111_b B. Reversible Cards 1334 3525
50 abc073_d D. joisino's travel 1345 5082
51 abc348_e E. Minimize Sum of Distances 1347 4367
52 agc039_b B. Graph Partition 1393 2805
53 abc245_f F. Endless Walk 1451 3836
54 abc342_e E. Last Train 1476 3248
55 arc011_3 C. ダブレット 1488 1409
56 abc022_c C. Blue Bird 1505 2702
57 nikkei2019_qual_d D. Restore the Tree 1541 2592
58 arc083_b D. Restoring Road Network 1563 4744
59 abc051_d D. Candidates of No Shortest Paths 1566 4440
60 abc035_d D. トレジャーハント 1591 3086
61 abc282_e E. Choose Two and Eat One 1604 3671
62 arc076_b D. Built? 1615 5825
63 abc210_e E. Ring MST 1618 2864
64 zone2021_e E. Sneaking 1624 2152
65 abc132_e E. Hopscotch Addict 1625 4636
66 abc243_e E. Edge Deletion 1637 4011
67 soundhound2018_summer_qual_d D. Saving Snuuk 1637 2573
68 abc202_e E. Count Descendants 1638 4196
69 nikkei2019_2_qual_d D. Shortest Path on a Line 1647 2346
70 arc035_c C. アットコーダー王国の交通事情 1655 1344
71 codefestival_2016_qualB_c C. Gr-idian MST 1688 1816
72 arc022_3 C. ロミオとジュリエット 1694 1368
73 abc143_e E. Travel by Car 1695 4107
74 abc294_g G. Distance Queries on a Tree 1702 2559
75 arc056_b B. 駐車場 1726 1348
76 abc137_e E. Coins Respawn 1740 3446
77 arc044_b B. 最短路問題 1744 1320
78 abc387_f F. Count Arrays 1760 1579
79 agc013_b B. Hamiltonish Path 1763 2226
80 arc064_c E. Cosmic Rays 1769 2342
81 abc280_f F. Pay or Receive 1819 2137
82 agc044_a A. Pay to Win 1828 2603
83 abc270_f F. Transportation 1834 2363
84 abc061_d D. Score Attack 1838 4195
85 indeednow_2015_quala_4 D. パズル 1838 507
86 abc165_f F. LIS on Tree 1843 3415
87 abc014_4 D. 閉路 1856 2453
88 abc164_e E. Two Currencies 1877 2911
89 code_festival_2017_qualb_c C. 3 Steps 1883 2223
90 abc142_f F. Pure 1919 2282
91 jsc2019_qual_d D. Classified 1924 1375
92 arc008_3 C. THE☆たこ焼き祭り2012 1927 765
93 abc267_f F. Exactly K Steps 1939 2528
94 abc197_f F. Construct a Palindrome 1945 2296
95 arc025_3 C. ウサギとカメ 1954 814
96 abc216_g G. 01Sequence 1963 2060
97 abc152_f F. Tree and Constraints 1965 2310
98 abc170_f F. Pond Skater 1968 2568
99 arc029_3 C. 高橋君と国家 1973 956
100 arc065_b D. Connectivity 1996 4958
101 tenka1_2012_qualA_3 C. 敵対的引用 1996 339
102 arc045_c C. エックスオア多橋君 2022 852
103 agc035_b B. Even Degrees 2039 1677
104 agc027_c C. ABland Yard 2077 1388
105 abc291_h Ex. Balanced Tree 2097 965
106 abc286_g G. Unique Walk 2135 1170
107 nikkei2019_2_qual_c C. Swaps 2136 1128
108 arc030_3 C. 有向グラフ 2180 509
109 abc362_f F. Perfect Matching on a Tree 2186 1316
110 arc063_c E. Integers on a Tree 2198 1558
111 agc015_c C. Nuske vs Phantom Thnook 2241 1987
112 arc052_c C. 高橋くんと不思議な道 2277 430
113 agc032_c C. Three Circuits 2284 1291
114 arc026_4 D. 道を直すお仕事 2297 1856
115 agc024_d D. Isomorphism Freak 2307 1047
116 arc049_c C. ぬりまーす 2308 352
117 arc090_c E. Avoiding Collision 2319 1527
118 arc115_d D. Odd Degree 2325 932
119 abc133_f F. Colorful Tree 2330 1832
120 agc011_c C. Squared Graph 2355 1254
121 dwango2016qual_c C. メンテナンス明け 2384 195
122 jsc2021_g G. Spanning Tree 2451 437
123 abc364_g G. Last Major City 2455 722
124 arc084_b D. Small Multiple 2457 4879
125 agc028_c C. Min Cost Cycle 2463 1157
126 abc163_f F. path pass i 2470 1328
127 arc010_4 D. 情報伝播 2481 255
128 abc254_h Ex. Multiply or Divide by 2 2499 992
129 arc061_c E. Snuke's Subway Trip 2502 1972
130 abc175_f F. Making Palindrome 2512 775
131 arc039_d D. 旅行会社高橋君 2550 317
132 arc093_c E. Bichrome Spanning Tree 2551 1019
133 tenka1_2015_qualA_d D. ハシポン 2559 113
134 abc306_g G. Return to 1 2563 606
135 keyence2019_e E. Connecting Cities 2623 834
136 abc210_f F. Coprime Solitaire 2632 743
137 arc018_4 D. 僕は友達が少ない 2644 154
138 discovery_2016_final_d D. ディスコ社内ツアーⅡ 2652 56
139 agc038_d D. Unique Path 2682 804
140 jsc2019_qual_e E. Card Collector 2691 550
141 abc155_f F. Perils in Parallel 2738 950
142 tenka1_2014_qualA_e E. パズルの移動 2750 88
143 agc018_d D. Tree and Hamilton Path 2757 1023
144 arc103_d F. Distance Sums 2836 1364
145 agc016_e E. Poor Turkeys 3029 1081
146 arc045_d D. みんな仲良し高橋君 3039 153
147 arc048_d D. たこ焼き屋とQ人の高橋君 3062 157
148 codefestival_2016_final_g G. Zigzag MST 3072 409
149 arc021_4 D. だいたい最小全域木 3152 70
150 agc017_e E. Jigsaw 3158 585
151 arc062_d F. Painting Graphs with AtCoDeer 3175 521
152 abc269_h Ex. Antichain 3178 273
153 arc069_d F. Flags 3200 1045
154 agc006_f F. Blackout 3530 965
155 agc027_f F. Grafting 3544 525
156 nikkei2019_2_qual_f F. Mirror Frame 3805 56
157 cf17_final_j J. Tree MST 3822 749
158 typical90_c 003. Longest Circular Road（★4） null 8098
159 typical90_bz 078. Easy Graph Problem（★2） null 6708
160 typical90_z 026. Independent Set on a Tree（★4） null 5085
161 typical90_m 013. Passing（★5） null 4673
162 typical90_u 021. Come Back in One Piece（★5） null 3578
163 typical90_aq 043. Maze Challenge with Lack of Sleep（★4） null 3125
164 joi2008yo_f F. 船旅 null 2658
165 agc001_c C. Shorten Diameter null 2425
166 joi2016yo_e E. ゾンビ島 (Zombie Island) null 1734
167 practice2_g G. SCC null 1634
168 joisc2010_finals finals. 本選会場 (Finals) null 1453
169 joi2014yo_e E. タクシー (Taxis) null 1400
170 past202004_h H. 1-9 Grid null 1332
171 past201912_k K. Conglomerate null 1316
172 past201912_j J. Leveling null 1251
173 typical90_aw 049. Flip Digits 2（★6） null 1202
174 past201912_l L. Gradation null 1032
175 typical90_ai 035. Preserve Connectivity（★7） null 834
176 code_festival_2018_final_a A. 2540 null 757
177 mujin_pc_2018_d D. うほょじご null 755
178 tenka1_2016_qualA_b B. PackDrop null 742
179 maximum_cup_2018_c C. 嘘つきな天使たち null 654
180 past202010_j J. ワープ null 654
181 past202005_m M. Real Traveling Salesman null 613
182 joi2015ho_c C. JOI 公園 (JOI Park) null 561
183 iroha2019_day2_d D. 楽しすぎる家庭菜園 null 547
184 joi2017yo_f F. ヘビの JOI 君 (Snake JOI) null 530
185 jsc2019_final_b B. Reachability null 523
186 typical90_bs 071. Fuzzy Priority（★7） null 522
187 mujin_pc_2018_e E. 迷路 null 504
188 past202104_g G. One Step at a Time null 491
189 code_thanks_festival_2017_g G. Mixture Drug null 490
190 past202107_j J. Never Ending Journey null 449
191 past202010_m M. 筆塗り null 447
192 joi2021_yo2_b B. パンケーキ (Pancake) null 441
193 joi2011ho3 C. JOI 国の買い物事情 (Shopping in JOI Kingdom) null 435
194 past202004_o O. Variable Spanning Trees null 433
195 joisc2007_route route. 象使い (Route) null 420
196 joi2013ho3 3. 現代的な屋敷 (Modern Mansion) null 411
197 wupc2012_5 E. 会場への道 null 410
198 tkppc4_1_h H. don't be late null 408
199 joig2021_e E. パレード (Parade) null 406
200 past202107_k K. Flying Trip null 405
201 indeednow_2015_finalb_d D. Game on a Grid null 404
202 joisc2008_flu flu. インフルエンザ (Flu) null 403
203 qupc2018_c C. Ito Campus null 391
204 joisc2008_sheet sheet. 色紙 (Sheet) null 379
205 dwacon5th_final_a A. Taro vs. Jiro null 371
206 joisc2009_advertisement advertisement. 宣伝 (Advertisement) null 352
207 past202104_l L. Urban Planning null 350
208 iroha2019_day1_i I. リスのお仕事 null 321
209 iroha2019_day2_g G. 通学路 null 319
210 icpc2012autumn_c C. Median Tree null 311
211 joisc2014_f F. 友だちをつくろう null 296
212 utpc2013_03 C. 直径 null 292
213 kupc2015_c C. 最短経路 null 264
214 past202104_o O. Shortest Distance Query null 250
215 cf_2015_relay_f F. グラフの個数 null 236
216 asaporo_c A. Graph null 234
217 fuka_liquid C. 流れ null 220
218 kupc2017_e E. Treasure Hunt null 211
219 joisc2014_j J. 電圧 null 208
220 joi2012ho5 E. JOI 国のお祭り事情 (Festivals in JOI Kingdom) null 199
221 yahoo_procon2019_final_b B. Bonsai Grafting null 194
222 ttpc2019_f F. Road Construction null 189
223 wupc2019_c C. Permutation City null 189
224 ttpc2019_m M. Inversion Numbers of Tree null 185
225 utpc2013_08 H. Asteroids2 null 179
226 joi2017ho_d D. サッカー (Soccer) null 175
227 code_festival_relay_f F. ループを探せ null 175
228 code_thanks_festival_2015_g G. カメレオン null 151
229 s8pc_6_e E. 90-degree Rotations null 145
230 yahoo_procon2018_final_c C. 木の問題 null 142
231 pakencamp_2019_day4_e E. IOI のために null 135
232 tenka1_2015_final_f F. 根付き木のみさわさん null 123
233 ddcc2017_final_c C. グラフいじり null 111
234 code_festival_relay_i I. 信号待ち null 105
235 joisc2011_report report. 報告 (Report) null 100
236 qupc2018_g G. Tapu & Tapi 2 null 98
237 iroha2019_day2_k K. 虫取り null 97
238 njpc2017_h H. 白黒ツリー null 95
239 yuha_c88_d D. 氷柱の上の聖剣 null 94
240 utpc2013_06 F. 魔法の糸 null 92
241 yahoo_procon2018_qual_e E. グラフの問題 null 89
242 maximum_cup_2018_e E. Interrupt Array null 83
243 joisc2012_building2 building2. ビルの飾り付け 2 null 81
244 nikkei2019_final_f F. Flights null 78
245 nyc2015_5 E. ひも null 78
246 cpsco2019_s2_g G. MSTX null 77
247 utpc2013_09 I. 支配と友好 null 66
248 otemae2019_g G. 空をかけるピ太郎 (Pitaro, who Leaps through Air) null 66
249 nikkei2019_final_g G. Greatest Journey null 57
250 ttpc2015_n N. 何かグラフの問題 null 52
251 kupc2012_11 K. XOR回廊 null 52
252 nikkei2019_2_final_d D. 木、 null 51
253 tenka1_2016_qualA_e E. 無限グラフ null 40
254 cpsco2019_s4_f F. Lost Tree null 40
255 code_festival_exhibition_a A. パズル null 39
256 dwacon6th_final_c C. Tree Shrinking null 36
257 dwacon5th_final_c C. Interval and MST null 31
258 k4pc_f F. タイトル未定(Untitled) null 18