Graph

# ID Name Difficulty Solver
1 abc225_b B. Star or Not -345 11311
2 yahoo_procon2019_qual_b B. Path -122 5189
3 abc061_b B. Counting Roads 108 16814
4 abc204_c C. Tour 629 11120
5 abc362_d D. Shortest Path 3 634 8719
6 abc209_d D. Collision 686 8543
7 abc376_d D. Cycle 743 7613
8 abc350_d D. New Friends 773 8552
9 abc368_d D. Minimum Steiner Tree 816 7671
10 abc016_3 C. 友達の友達 830 5189
11 abc320_d D. Relative Position 873 7026
12 abc160_d D. Line++ 879 11479
13 abc138_d D. Ki 920 11316
14 abc315_e E. Prerequisites 921 6200
15 abc079_d D. Wall 949 7590
16 abc309_e E. Family and Insurance 957 6064
17 abc395_e E. Flip Edge 978 5825
18 abc088_d D. Grid Repainting 999 9304
19 abc218_e E. Destruction 1004 6553
20 abc291_e E. Find Permutation 1069 5616
21 abc239_e E. Subtree K-th Max 1084 5619
22 abc325_e E. Our clients, please wait a moment 1093 4760
23 arc037_b B. バウムテスト 1109 4153
24 abc286_e E. Souvenir 1128 4547
25 abc192_e E. Train 1135 5711
26 abc282_d D. Make Bipartite 2 1154 5226
27 abc328_e E. Modulo MST 1160 5198
28 abc012_4 D. バスと避けられない運命 1166 5127
29 abc070_d D. Transit Tree Path 1182 6257
30 abc277_e E. Crystal Switches 1183 4726
31 abc208_d D. Shortest Path Queries 2 1190 6402
32 abc146_d D. Coloring Edges on Tree 1192 6731
33 abc237_e E. Skiing 1208 4532
34 abc361_e E. Tree and Hamilton Path 2 1213 5213
35 abc256_e E. Takahashi's Anguish 1224 4494
36 agc014_b B. Unplanned Queries 1236 3890
37 abc054_c C. One-stroke Path 1244 10087
38 abc176_d D. Wizard in Maze 1248 7531
39 abc126_d D. Even Relation 1279 9100
40 abc296_e E. Transition Game 1285 3831
41 code_festival_morning_easy_c C. 身体バランス 1293 1281
42 abc252_e E. Road Reduction 1294 4777
43 abc357_e E. Reachability in Functional Graph 1295 4557
44 arc030_2 B. ツリーグラフ 1298 1820
45 abc235_e E. MST + 1 1304 4677
46 abc289_e E. Swap Places 1318 4282
47 abc191_e E. Come Back Quickly 1323 4946
48 abc021_c C. 正直者の高橋くん 1324 3036
49 arc111_b B. Reversible Cards 1334 3571
50 abc073_d D. joisino's travel 1345 5150
51 abc348_e E. Minimize Sum of Distances 1347 4522
52 agc039_b B. Graph Partition 1393 2819
53 abc245_f F. Endless Walk 1451 3967
54 abc342_e E. Last Train 1476 3328
55 arc011_3 C. ダブレット 1488 1420
56 abc022_c C. Blue Bird 1505 2755
57 nikkei2019_qual_d D. Restore the Tree 1541 2604
58 arc083_b D. Restoring Road Network 1563 4838
59 abc051_d D. Candidates of No Shortest Paths 1566 4570
60 abc035_d D. トレジャーハント 1591 3126
61 abc282_e E. Choose Two and Eat One 1604 3863
62 arc076_b D. Built? 1615 5979
63 abc383_e E. Sum of Max Matching 1616 2694
64 abc210_e E. Ring MST 1618 2960
65 zone2021_e E. Sneaking 1624 2192
66 abc132_e E. Hopscotch Addict 1625 4728
67 abc243_e E. Edge Deletion 1637 4138
68 soundhound2018_summer_qual_d D. Saving Snuuk 1637 2634
69 abc202_e E. Count Descendants 1638 4385
70 nikkei2019_2_qual_d D. Shortest Path on a Line 1647 2403
71 arc035_c C. アットコーダー王国の交通事情 1655 1346
72 codefestival_2016_qualB_c C. Gr-idian MST 1688 1828
73 arc022_3 C. ロミオとジュリエット 1694 1373
74 abc143_e E. Travel by Car 1695 4205
75 abc294_g G. Distance Queries on a Tree 1702 2724
76 arc056_b B. 駐車場 1726 1352
77 abc137_e E. Coins Respawn 1740 3523
78 arc044_b B. 最短路問題 1744 1337
79 abc387_f F. Count Arrays 1760 1693
80 agc013_b B. Hamiltonish Path 1763 2237
81 arc064_c E. Cosmic Rays 1769 2382
82 abc280_f F. Pay or Receive 1819 2214
83 agc044_a A. Pay to Win 1828 2625
84 abc270_f F. Transportation 1834 2440
85 abc061_d D. Score Attack 1838 4355
86 indeednow_2015_quala_4 D. パズル 1838 520
87 abc165_f F. LIS on Tree 1843 3501
88 abc014_4 D. 閉路 1856 2505
89 abc164_e E. Two Currencies 1877 3000
90 code_festival_2017_qualb_c C. 3 Steps 1883 2239
91 abc142_f F. Pure 1919 2319
92 jsc2019_qual_d D. Classified 1924 1390
93 arc008_3 C. THE☆たこ焼き祭り2012 1927 771
94 abc267_f F. Exactly K Steps 1939 2642
95 abc197_f F. Construct a Palindrome 1945 2408
96 arc025_3 C. ウサギとカメ 1954 819
97 abc216_g G. 01Sequence 1963 2148
98 abc152_f F. Tree and Constraints 1965 2366
99 abc170_f F. Pond Skater 1968 2610
100 arc029_3 C. 高橋君と国家 1973 967
101 arc065_b D. Connectivity 1996 5076
102 tenka1_2012_qualA_3 C. 敵対的引用 1996 341
103 arc045_c C. エックスオア多橋君 2022 860
104 agc035_b B. Even Degrees 2039 1699
105 agc027_c C. ABland Yard 2077 1404
106 abc291_h Ex. Balanced Tree 2097 981
107 abc286_g G. Unique Walk 2135 1215
108 nikkei2019_2_qual_c C. Swaps 2136 1129
109 arc030_3 C. 有向グラフ 2180 511
110 abc362_f F. Perfect Matching on a Tree 2186 1363
111 arc063_c E. Integers on a Tree 2198 1583
112 agc015_c C. Nuske vs Phantom Thnook 2241 2056
113 arc052_c C. 高橋くんと不思議な道 2277 431
114 agc032_c C. Three Circuits 2284 1300
115 arc026_4 D. 道を直すお仕事 2297 1879
116 agc024_d D. Isomorphism Freak 2307 1060
117 arc049_c C. ぬりまーす 2308 353
118 arc090_c E. Avoiding Collision 2319 1545
119 arc115_d D. Odd Degree 2325 981
120 abc133_f F. Colorful Tree 2330 1884
121 agc011_c C. Squared Graph 2355 1279
122 dwango2016qual_c C. メンテナンス明け 2384 197
123 jsc2021_g G. Spanning Tree 2451 444
124 abc364_g G. Last Major City 2455 751
125 arc084_b D. Small Multiple 2457 5197
126 agc028_c C. Min Cost Cycle 2463 1173
127 abc163_f F. path pass i 2470 1365
128 arc010_4 D. 情報伝播 2481 256
129 abc254_h Ex. Multiply or Divide by 2 2499 1007
130 arc061_c E. Snuke's Subway Trip 2502 2018
131 abc175_f F. Making Palindrome 2512 785
132 arc039_d D. 旅行会社高橋君 2550 325
133 arc093_c E. Bichrome Spanning Tree 2551 1043
134 tenka1_2015_qualA_d D. ハシポン 2559 114
135 abc306_g G. Return to 1 2563 642
136 keyence2019_e E. Connecting Cities 2623 857
137 abc210_f F. Coprime Solitaire 2632 769
138 arc018_4 D. 僕は友達が少ない 2644 156
139 discovery_2016_final_d D. ディスコ社内ツアーⅡ 2652 56
140 agc038_d D. Unique Path 2682 821
141 jsc2019_qual_e E. Card Collector 2691 554
142 abc155_f F. Perils in Parallel 2738 967
143 tenka1_2014_qualA_e E. パズルの移動 2750 88
144 agc018_d D. Tree and Hamilton Path 2757 1050
145 arc103_d F. Distance Sums 2836 1395
146 agc016_e E. Poor Turkeys 3029 1139
147 arc045_d D. みんな仲良し高橋君 3039 155
148 arc048_d D. たこ焼き屋とQ人の高橋君 3062 159
149 codefestival_2016_final_g G. Zigzag MST 3072 428
150 arc021_4 D. だいたい最小全域木 3152 71
151 agc017_e E. Jigsaw 3158 595
152 arc062_d F. Painting Graphs with AtCoDeer 3175 537
153 abc269_h Ex. Antichain 3178 279
154 arc069_d F. Flags 3200 1068
155 agc006_f F. Blackout 3530 980
156 agc027_f F. Grafting 3544 543
157 nikkei2019_2_qual_f F. Mirror Frame 3805 56
158 cf17_final_j J. Tree MST 3822 795
159 typical90_c 003. Longest Circular Road（★4） null 8415
160 typical90_bz 078. Easy Graph Problem（★2） null 6980
161 typical90_z 026. Independent Set on a Tree（★4） null 5268
162 typical90_m 013. Passing（★5） null 4859
163 typical90_u 021. Come Back in One Piece（★5） null 3760
164 typical90_aq 043. Maze Challenge with Lack of Sleep（★4） null 3252
165 joi2008yo_f F. 船旅 null 2727
166 agc001_c C. Shorten Diameter null 2490
167 joi2016yo_e E. ゾンビ島 (Zombie Island) null 1795
168 practice2_g G. SCC null 1678
169 joisc2010_finals finals. 本選会場 (Finals) null 1483
170 joi2014yo_e E. タクシー (Taxis) null 1451
171 past202004_h H. 1-9 Grid null 1370
172 past201912_k K. Conglomerate null 1352
173 past201912_j J. Leveling null 1275
174 typical90_aw 049. Flip Digits 2（★6） null 1255
175 past201912_l L. Gradation null 1045
176 typical90_ai 035. Preserve Connectivity（★7） null 883
177 code_festival_2018_final_a A. 2540 null 774
178 tenka1_2016_qualA_b B. PackDrop null 774
179 mujin_pc_2018_d D. うほょじご null 767
180 past202010_j J. ワープ null 677
181 maximum_cup_2018_c C. 嘘つきな天使たち null 660
182 past202005_m M. Real Traveling Salesman null 649
183 iroha2019_day2_d D. 楽しすぎる家庭菜園 null 575
184 joi2015ho_c C. JOI 公園 (JOI Park) null 571
185 joi2017yo_f F. ヘビの JOI 君 (Snake JOI) null 554
186 typical90_bs 071. Fuzzy Priority（★7） null 549
187 jsc2019_final_b B. Reachability null 530
188 mujin_pc_2018_e E. 迷路 null 511
189 past202104_g G. One Step at a Time null 503
190 code_thanks_festival_2017_g G. Mixture Drug null 500
191 past202107_j J. Never Ending Journey null 477
192 past202010_m M. 筆塗り null 458
193 past202004_o O. Variable Spanning Trees null 455
194 joi2021_yo2_b B. パンケーキ (Pancake) null 449
195 joi2011ho3 C. JOI 国の買い物事情 (Shopping in JOI Kingdom) null 437
196 past202107_k K. Flying Trip null 432
197 joig2021_e E. パレード (Parade) null 430
198 joisc2007_route route. 象使い (Route) null 427
199 tkppc4_1_h H. don't be late null 422
200 wupc2012_5 E. 会場への道 null 421
201 qupc2018_c C. Ito Campus null 419
202 joi2013ho3 3. 現代的な屋敷 (Modern Mansion) null 417
203 indeednow_2015_finalb_d D. Game on a Grid null 409
204 joisc2008_flu flu. インフルエンザ (Flu) null 407
205 joisc2008_sheet sheet. 色紙 (Sheet) null 384
206 dwacon5th_final_a A. Taro vs. Jiro null 373
207 past202104_l L. Urban Planning null 373
208 joisc2009_advertisement advertisement. 宣伝 (Advertisement) null 358
209 iroha2019_day1_i I. リスのお仕事 null 335
210 iroha2019_day2_g G. 通学路 null 329
211 icpc2012autumn_c C. Median Tree null 315
212 joisc2014_f F. 友だちをつくろう null 300
213 utpc2013_03 C. 直径 null 298
214 past202104_o O. Shortest Distance Query null 294
215 kupc2015_c C. 最短経路 null 277
216 yahoo_procon2019_final_b B. Bonsai Grafting null 245
217 asaporo_c A. Graph null 237
218 cf_2015_relay_f F. グラフの個数 null 236
219 kupc2017_e E. Treasure Hunt null 225
220 fuka_liquid C. 流れ null 220
221 joisc2014_j J. 電圧 null 210
222 joi2012ho5 E. JOI 国のお祭り事情 (Festivals in JOI Kingdom) null 202
223 ttpc2019_f F. Road Construction null 192
224 wupc2019_c C. Permutation City null 191
225 ttpc2019_m M. Inversion Numbers of Tree null 188
226 utpc2013_08 H. Asteroids2 null 186
227 joi2017ho_d D. サッカー (Soccer) null 176
228 code_festival_relay_f F. ループを探せ null 176
229 code_thanks_festival_2015_g G. カメレオン null 169
230 yahoo_procon2018_final_c C. 木の問題 null 154
231 s8pc_6_e E. 90-degree Rotations null 146
232 pakencamp_2019_day4_e E. IOI のために null 143
233 tenka1_2015_final_f F. 根付き木のみさわさん null 130
234 ddcc2017_final_c C. グラフいじり null 111
235 njpc2017_h H. 白黒ツリー null 111
236 code_festival_relay_i I. 信号待ち null 105
237 joisc2011_report report. 報告 (Report) null 102
238 qupc2018_g G. Tapu & Tapi 2 null 100
239 iroha2019_day2_k K. 虫取り null 100
240 yahoo_procon2018_qual_e E. グラフの問題 null 97
241 nyc2015_5 E. ひも null 97
242 yuha_c88_d D. 氷柱の上の聖剣 null 97
243 utpc2013_06 F. 魔法の糸 null 96
244 maximum_cup_2018_e E. Interrupt Array null 90
245 kupc2012_11 K. XOR回廊 null 88
246 joisc2012_building2 building2. ビルの飾り付け 2 null 81
247 cpsco2019_s2_g G. MSTX null 78
248 nikkei2019_final_f F. Flights null 78
249 utpc2013_09 I. 支配と友好 null 67
250 otemae2019_g G. 空をかけるピ太郎 (Pitaro, who Leaps through Air) null 67
251 nikkei2019_final_g G. Greatest Journey null 58
252 ttpc2015_n N. 何かグラフの問題 null 54
253 nikkei2019_2_final_d D. 木、 null 51
254 code_festival_exhibition_a A. パズル null 44
255 cpsco2019_s4_f F. Lost Tree null 41
256 tenka1_2016_qualA_e E. 無限グラフ null 40
257 dwacon6th_final_c C. Tree Shrinking null 38
258 dwacon5th_final_c C. Interval and MST null 31
259 k4pc_f F. タイトル未定(Untitled) null 19