Graph

# ID Name Difficulty Solver
1 abc225_b B. Star or Not -345 10948
2 yahoo_procon2019_qual_b B. Path -122 5124
3 abc061_b B. Counting Roads 108 15776
4 abc204_c C. Tour 629 10696
5 abc362_d D. Shortest Path 3 634 8153
6 abc209_d D. Collision 686 8253
7 abc350_d D. New Friends 773 8024
8 abc016_3 C. 友達の友達 830 5061
9 abc320_d D. Relative Position 873 6643
10 abc160_d D. Line++ 879 11247
11 abc138_d D. Ki 920 10911
12 abc315_e E. Prerequisites 921 5809
13 abc079_d D. Wall 949 7258
14 abc309_e E. Family and Insurance 957 5729
15 abc088_d D. Grid Repainting 999 8927
16 abc218_e E. Destruction 1004 6272
17 abc291_e E. Find Permutation 1069 5155
18 abc239_e E. Subtree K-th Max 1084 5351
19 abc325_e E. Our clients, please wait a moment 1093 4394
20 arc037_b B. バウムテスト 1109 4093
21 abc286_e E. Souvenir 1128 4239
22 abc192_e E. Train 1135 5531
23 abc282_d D. Make Bipartite 2 1154 4963
24 abc328_e E. Modulo MST 1160 4912
25 abc012_4 D. バスと避けられない運命 1166 4962
26 abc070_d D. Transit Tree Path 1182 5991
27 abc277_e E. Crystal Switches 1183 4480
28 abc208_d D. Shortest Path Queries 2 1190 6106
29 abc146_d D. Coloring Edges on Tree 1192 6568
30 abc237_e E. Skiing 1208 4292
31 abc361_e E. Tree and Hamilton Path 2 1213 4778
32 abc256_e E. Takahashi's Anguish 1224 4244
33 agc014_b B. Unplanned Queries 1236 3806
34 abc054_c C. One-stroke Path 1244 9726
35 abc176_d D. Wizard in Maze 1248 7220
36 abc126_d D. Even Relation 1279 8811
37 abc296_e E. Transition Game 1285 3649
38 code_festival_morning_easy_c C. 身体バランス 1293 1255
39 abc252_e E. Road Reduction 1294 4562
40 abc357_e E. Reachability in Functional Graph 1295 4182
41 arc030_2 B. ツリーグラフ 1298 1779
42 abc235_e E. MST + 1 1304 4405
43 abc289_e E. Swap Places 1318 4048
44 abc191_e E. Come Back Quickly 1323 4749
45 abc021_c C. 正直者の高橋くん 1324 2927
46 arc111_b B. Reversible Cards 1334 3466
47 abc073_d D. joisino's travel 1345 4987
48 abc348_e E. Minimize Sum of Distances 1347 4089
49 agc039_b B. Graph Partition 1393 2782
50 abc245_f F. Endless Walk 1451 3721
51 abc342_e E. Last Train 1476 3140
52 arc011_3 C. ダブレット 1488 1392
53 abc022_c C. Blue Bird 1505 2649
54 nikkei2019_qual_d D. Restore the Tree 1541 2573
55 arc083_b D. Restoring Road Network 1563 4642
56 abc051_d D. Candidates of No Shortest Paths 1566 4359
57 abc035_d D. トレジャーハント 1591 3038
58 abc282_e E. Choose Two and Eat One 1604 3470
59 arc076_b D. Built? 1615 5635
60 abc210_e E. Ring MST 1618 2813
61 zone2021_e E. Sneaking 1624 2105
62 abc132_e E. Hopscotch Addict 1625 4530
63 abc243_e E. Edge Deletion 1637 3923
64 soundhound2018_summer_qual_d D. Saving Snuuk 1637 2549
65 abc202_e E. Count Descendants 1638 4057
66 nikkei2019_2_qual_d D. Shortest Path on a Line 1647 2269
67 arc035_c C. アットコーダー王国の交通事情 1655 1330
68 codefestival_2016_qualB_c C. Gr-idian MST 1688 1807
69 arc022_3 C. ロミオとジュリエット 1694 1345
70 abc143_e E. Travel by Car 1695 4013
71 abc294_g G. Distance Queries on a Tree 1702 2427
72 arc056_b B. 駐車場 1726 1332
73 abc137_e E. Coins Respawn 1740 3364
74 arc044_b B. 最短路問題 1744 1309
75 agc013_b B. Hamiltonish Path 1763 2198
76 arc064_c E. Cosmic Rays 1769 2289
77 abc280_f F. Pay or Receive 1819 2082
78 agc044_a A. Pay to Win 1828 2574
79 abc270_f F. Transportation 1834 2294
80 abc061_d D. Score Attack 1838 4086
81 indeednow_2015_quala_4 D. パズル 1838 495
82 abc165_f F. LIS on Tree 1843 3318
83 abc014_4 D. 閉路 1856 2399
84 abc164_e E. Two Currencies 1877 2853
85 code_festival_2017_qualb_c C. 3 Steps 1883 2196
86 abc142_f F. Pure 1919 2247
87 jsc2019_qual_d D. Classified 1924 1360
88 arc008_3 C. THE☆たこ焼き祭り2012 1927 754
89 abc267_f F. Exactly K Steps 1939 2405
90 abc197_f F. Construct a Palindrome 1945 2159
91 arc025_3 C. ウサギとカメ 1954 807
92 abc216_g G. 01Sequence 1963 1956
93 abc152_f F. Tree and Constraints 1965 2277
94 abc170_f F. Pond Skater 1968 2533
95 arc029_3 C. 高橋君と国家 1973 940
96 arc065_b D. Connectivity 1996 4853
97 tenka1_2012_qualA_3 C. 敵対的引用 1996 339
98 arc045_c C. エックスオア多橋君 2022 842
99 agc035_b B. Even Degrees 2039 1650
100 agc027_c C. ABland Yard 2077 1376
101 abc291_h Ex. Balanced Tree 2097 934
102 abc286_g G. Unique Walk 2135 1131
103 nikkei2019_2_qual_c C. Swaps 2136 1118
104 arc030_3 C. 有向グラフ 2180 499
105 abc362_f F. Perfect Matching on a Tree 2186 1258
106 arc063_c E. Integers on a Tree 2198 1517
107 agc015_c C. Nuske vs Phantom Thnook 2241 1862
108 arc052_c C. 高橋くんと不思議な道 2277 426
109 agc032_c C. Three Circuits 2284 1243
110 arc026_4 D. 道を直すお仕事 2297 1691
111 agc024_d D. Isomorphism Freak 2307 1021
112 arc049_c C. ぬりまーす 2308 350
113 arc090_c E. Avoiding Collision 2319 1490
114 arc115_d D. Odd Degree 2325 885
115 abc133_f F. Colorful Tree 2330 1754
116 agc011_c C. Squared Graph 2355 1223
117 dwango2016qual_c C. メンテナンス明け 2384 193
118 jsc2021_g G. Spanning Tree 2451 427
119 abc364_g G. Last Major City 2455 653
120 arc084_b D. Small Multiple 2457 4585
121 agc028_c C. Min Cost Cycle 2463 1137
122 abc163_f F. path pass i 2470 1261
123 arc010_4 D. 情報伝播 2481 255
124 abc254_h Ex. Multiply or Divide by 2 2499 949
125 arc061_c E. Snuke's Subway Trip 2502 1899
126 abc175_f F. Making Palindrome 2512 761
127 arc039_d D. 旅行会社高橋君 2550 310
128 arc093_c E. Bichrome Spanning Tree 2551 986
129 tenka1_2015_qualA_d D. ハシポン 2559 110
130 abc306_g G. Return to 1 2563 560
131 keyence2019_e E. Connecting Cities 2623 800
132 abc210_f F. Coprime Solitaire 2632 702
133 arc018_4 D. 僕は友達が少ない 2644 150
134 discovery_2016_final_d D. ディスコ社内ツアーⅡ 2652 54
135 agc038_d D. Unique Path 2682 763
136 jsc2019_qual_e E. Card Collector 2691 537
137 abc155_f F. Perils in Parallel 2738 917
138 tenka1_2014_qualA_e E. パズルの移動 2750 86
139 agc018_d D. Tree and Hamilton Path 2757 981
140 arc103_d F. Distance Sums 2836 1303
141 agc016_e E. Poor Turkeys 3029 1027
142 arc045_d D. みんな仲良し高橋君 3039 149
143 arc048_d D. たこ焼き屋とQ人の高橋君 3062 155
144 codefestival_2016_final_g G. Zigzag MST 3072 401
145 arc021_4 D. だいたい最小全域木 3152 67
146 agc017_e E. Jigsaw 3158 553
147 arc062_d F. Painting Graphs with AtCoDeer 3175 502
148 abc269_h Ex. Antichain 3178 204
149 arc069_d F. Flags 3200 947
150 agc006_f F. Blackout 3530 934
151 agc027_f F. Grafting 3544 511
152 nikkei2019_2_qual_f F. Mirror Frame 3805 55
153 cf17_final_j J. Tree MST 3822 662
154 typical90_c 003. Longest Circular Road（★4） null 7805
155 typical90_bz 078. Easy Graph Problem（★2） null 6451
156 typical90_z 026. Independent Set on a Tree（★4） null 4893
157 typical90_m 013. Passing（★5） null 4482
158 typical90_u 021. Come Back in One Piece（★5） null 3437
159 typical90_aq 043. Maze Challenge with Lack of Sleep（★4） null 2982
160 joi2008yo_f F. 船旅 null 2584
161 agc001_c C. Shorten Diameter null 2346
162 joi2016yo_e E. ゾンビ島 (Zombie Island) null 1663
163 practice2_g G. SCC null 1577
164 joisc2010_finals finals. 本選会場 (Finals) null 1397
165 joi2014yo_e E. タクシー (Taxis) null 1344
166 past202004_h H. 1-9 Grid null 1303
167 past201912_k K. Conglomerate null 1281
168 past201912_j J. Leveling null 1227
169 typical90_aw 049. Flip Digits 2（★6） null 1149
170 past201912_l L. Gradation null 1007
171 typical90_ai 035. Preserve Connectivity（★7） null 807
172 code_festival_2018_final_a A. 2540 null 752
173 mujin_pc_2018_d D. うほょじご null 748
174 tenka1_2016_qualA_b B. PackDrop null 739
175 maximum_cup_2018_c C. 嘘つきな天使たち null 649
176 past202010_j J. ワープ null 643
177 past202005_m M. Real Traveling Salesman null 598
178 iroha2019_day2_d D. 楽しすぎる家庭菜園 null 542
179 joi2015ho_c C. JOI 公園 (JOI Park) null 538
180 jsc2019_final_b B. Reachability null 520
181 typical90_bs 071. Fuzzy Priority（★7） null 505
182 joi2017yo_f F. ヘビの JOI 君 (Snake JOI) null 505
183 mujin_pc_2018_e E. 迷路 null 503
184 code_thanks_festival_2017_g G. Mixture Drug null 485
185 past202104_g G. One Step at a Time null 475
186 past202107_j J. Never Ending Journey null 440
187 past202010_m M. 筆塗り null 430
188 past202004_o O. Variable Spanning Trees null 422
189 wupc2012_5 E. 会場への道 null 407
190 joi2021_yo2_b B. パンケーキ (Pancake) null 405
191 tkppc4_1_h H. don't be late null 402
192 indeednow_2015_finalb_d D. Game on a Grid null 402
193 joi2011ho3 C. JOI 国の買い物事情 (Shopping in JOI Kingdom) null 402
194 past202107_k K. Flying Trip null 396
195 joisc2007_route route. 象使い (Route) null 395
196 joi2013ho3 3. 現代的な屋敷 (Modern Mansion) null 384
197 qupc2018_c C. Ito Campus null 383
198 joisc2008_flu flu. インフルエンザ (Flu) null 380
199 dwacon5th_final_a A. Taro vs. Jiro null 371
200 joig2021_e E. パレード (Parade) null 370
201 joisc2008_sheet sheet. 色紙 (Sheet) null 357
202 past202104_l L. Urban Planning null 341
203 joisc2009_advertisement advertisement. 宣伝 (Advertisement) null 324
204 iroha2019_day1_i I. リスのお仕事 null 317
205 iroha2019_day2_g G. 通学路 null 314
206 icpc2012autumn_c C. Median Tree null 303
207 utpc2013_03 C. 直径 null 281
208 joisc2014_f F. 友だちをつくろう null 264
209 kupc2015_c C. 最短経路 null 263
210 past202104_o O. Shortest Distance Query null 240
211 cf_2015_relay_f F. グラフの個数 null 236
212 asaporo_c A. Graph null 233
213 fuka_liquid C. 流れ null 217
214 kupc2017_e E. Treasure Hunt null 210
215 yahoo_procon2019_final_b B. Bonsai Grafting null 192
216 ttpc2019_f F. Road Construction null 189
217 wupc2019_c C. Permutation City null 188
218 joi2012ho5 E. JOI 国のお祭り事情 (Festivals in JOI Kingdom) null 184
219 utpc2013_08 H. Asteroids2 null 179
220 joisc2014_j J. 電圧 null 178
221 ttpc2019_m M. Inversion Numbers of Tree null 174
222 code_festival_relay_f F. ループを探せ null 171
223 joi2017ho_d D. サッカー (Soccer) null 163
224 code_thanks_festival_2015_g G. カメレオン null 148
225 s8pc_6_e E. 90-degree Rotations null 141
226 yahoo_procon2018_final_c C. 木の問題 null 138
227 pakencamp_2019_day4_e E. IOI のために null 132
228 tenka1_2015_final_f F. 根付き木のみさわさん null 122
229 ddcc2017_final_c C. グラフいじり null 110
230 code_festival_relay_i I. 信号待ち null 104
231 joisc2011_report report. 報告 (Report) null 96
232 qupc2018_g G. Tapu & Tapi 2 null 95
233 iroha2019_day2_k K. 虫取り null 95
234 njpc2017_h H. 白黒ツリー null 94
235 yuha_c88_d D. 氷柱の上の聖剣 null 93
236 utpc2013_06 F. 魔法の糸 null 92
237 yahoo_procon2018_qual_e E. グラフの問題 null 88
238 maximum_cup_2018_e E. Interrupt Array null 82
239 nikkei2019_final_f F. Flights null 78
240 cpsco2019_s2_g G. MSTX null 77
241 joisc2012_building2 building2. ビルの飾り付け 2 null 76
242 nyc2015_5 E. ひも null 75
243 utpc2013_09 I. 支配と友好 null 66
244 otemae2019_g G. 空をかけるピ太郎 (Pitaro, who Leaps through Air) null 66
245 nikkei2019_final_g G. Greatest Journey null 57
246 ttpc2015_n N. 何かグラフの問題 null 52
247 kupc2012_11 K. XOR回廊 null 51
248 nikkei2019_2_final_d D. 木、 null 49
249 tenka1_2016_qualA_e E. 無限グラフ null 40
250 cpsco2019_s4_f F. Lost Tree null 40
251 code_festival_exhibition_a A. パズル null 37
252 dwacon6th_final_c C. Tree Shrinking null 36
253 dwacon5th_final_c C. Interval and MST null 31
254 k4pc_f F. タイトル未定(Untitled) null 18