Graph

# ID Name Difficulty Solver
1 abc225_b C. Star or Not -345 12171
2 yahoo_procon2019_qual_b B. Path -122 5373
3 abc061_b B. Counting Roads 108 18621
4 abc204_c C. Tour 629 11996
5 abc362_d G. Shortest Path 3 634 9611
6 abc209_d D. Collision 686 9078
7 abc454_d G. (xx) 706 7625
8 abc376_d G. Cycle 743 8425
9 abc350_d G. New Friends 773 9757
10 abc420_e H. Reachability Query 790 6728
11 abc368_d G. Minimum Steiner Tree 816 8282
12 abc016_3 C. 友達の友達 830 5376
13 abc320_d G. Relative Position 873 7659
14 abc160_d D. Line++ 879 11869
15 abc138_d D. Ki 920 12375
16 abc315_e H. Prerequisites 921 6712
17 abc079_d D. Wall 949 8002
18 abc309_e H. Family and Insurance 957 6524
19 abc395_e H. Flip Edge 978 6556
20 abc088_d D. Grid Repainting 999 9996
21 abc218_e H. Destruction 1004 7459
22 abc291_e H. Find Permutation 1069 6407
23 abc239_e H. Subtree K-th Max 1084 6064
24 abc325_e H. Our clients, please wait a moment 1093 5271
25 arc037_b B. バウムテスト 1109 4307
26 abc286_e H. Souvenir 1128 4992
27 abc192_e E. Train 1135 6057
28 abc282_d G. Make Bipartite 2 1154 5776
29 abc328_e H. Modulo MST 1160 5632
30 abc012_4 D. バスと避けられない運命 1166 5383
31 abc070_d D. Transit Tree Path 1182 6649
32 abc277_e H. Crystal Switches 1183 5382
33 abc208_d D. Shortest Path Queries 2 1190 6924
34 abc146_d D. Coloring Edges on Tree 1192 7029
35 abc237_e H. Skiing 1208 5114
36 abc361_e H. Tree and Hamilton Path 2 1213 5793
37 abc256_e H. Takahashi's Anguish 1224 4946
38 agc014_b B. Unplanned Queries 1236 4026
39 abc054_c C. One-stroke Path 1244 10793
40 abc176_d D. Wizard in Maze 1248 8135
41 abc126_d D. Even Relation 1279 9709
42 abc296_e H. Transition Game 1285 4157
43 code_festival_morning_easy_c C. 身体バランス 1293 1296
44 abc252_e H. Road Reduction 1294 5378
45 abc357_e H. Reachability in Functional Graph 1295 5204
46 arc030_2 B. ツリーグラフ 1298 1861
47 abc235_e H. MST + 1 1304 5285
48 abc289_e H. Swap Places 1318 4703
49 abc191_e E. Come Back Quickly 1323 5238
50 abc021_c C. 正直者の高橋くん 1324 3168
51 arc111_b B. Reversible Cards 1334 3798
52 abc073_d D. joisino's travel 1345 5387
53 abc348_e H. Minimize Sum of Distances 1347 5114
54 agc039_b B. Graph Partition 1393 2922
55 abc245_f I. Endless Walk 1451 4461
56 abc342_e H. Last Train 1476 3644
57 arc011_3 C. ダブレット 1488 1456
58 abc022_c C. Blue Bird 1505 2889
59 nikkei2019_qual_d D. Restore the Tree 1541 2643
60 arc083_b D. Restoring Road Network 1563 5091
61 abc051_d D. Candidates of No Shortest Paths 1566 4814
62 abc035_d D. トレジャーハント 1591 3268
63 abc282_e H. Choose Two and Eat One 1604 4614
64 arc076_b D. Built? 1615 6731
65 abc383_e H. Sum of Max Matching 1616 3103
66 abc210_e E. Ring MST 1618 3180
67 zone2021_e E. Sneaking 1624 2270
68 abc132_e E. Hopscotch Addict 1625 5095
69 abc243_e H. Edge Deletion 1637 4613
70 soundhound2018_summer_qual_d D. Saving Snuuk 1637 2705
71 abc202_e E. Count Descendants 1638 5100
72 nikkei2019_2_qual_d D. Shortest Path on a Line 1647 2491
73 arc035_c C. アットコーダー王国の交通事情 1655 1422
74 codefestival_2016_qualB_c C. Gr-idian MST 1688 1858
75 arc022_3 C. ロミオとジュリエット 1694 1409
76 abc143_e E. Travel by Car 1695 4579
77 abc294_g G. Distance Queries on a Tree 1702 3499
78 arc056_b B. 駐車場 1726 1377
79 abc137_e E. Coins Respawn 1740 4087
80 arc044_b B. 最短路問題 1744 1361
81 abc387_f I. Count Arrays 1760 1971
82 agc013_b B. Hamiltonish Path 1763 2328
83 arc064_c E. Cosmic Rays 1769 2484
84 abc280_f I. Pay or Receive 1819 2514
85 agc044_a A. Pay to Win 1828 2689
86 abc270_f I. Transportation 1834 2854
87 abc061_d D. Score Attack 1838 4758
88 indeednow_2015_quala_4 D. パズル 1838 524
89 abc165_f F. LIS on Tree 1843 3803
90 abc014_4 D. 閉路 1856 2715
91 abc164_e E. Two Currencies 1877 3397
92 code_festival_2017_qualb_c C. 3 Steps 1883 2368
93 abc142_f F. Pure 1919 2422
94 jsc2019_qual_d D. Classified 1924 1422
95 arc008_3 C. THE☆たこ焼き祭り2012 1927 786
96 abc267_f I. Exactly K Steps 1939 3107
97 abc197_f F. Construct a Palindrome 1945 2949
98 arc025_3 C. ウサギとカメ 1954 822
99 abc216_g G. 01Sequence 1963 2445
100 abc152_f F. Tree and Constraints 1965 2610
101 abc170_f F. Pond Skater 1968 2757
102 arc029_3 C. 高橋君と国家 1973 1002
103 arc065_b D. Connectivity 1996 5394
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 883
106 agc035_b B. Even Degrees 2039 1850
107 agc027_c C. ABland Yard 2077 1479
108 abc291_h Ex. Balanced Tree 2097 1080
109 abc286_g G. Unique Walk 2135 1419
110 nikkei2019_2_qual_c C. Swaps 2136 1152
111 arc030_3 C. 有向グラフ 2180 521
112 abc362_f I. Perfect Matching on a Tree 2186 1549
113 arc063_c E. Integers on a Tree 2198 1688
114 agc015_c C. Nuske vs Phantom Thnook 2241 2499
115 arc052_c C. 高橋くんと不思議な道 2277 443
116 agc032_c C. Three Circuits 2284 1418
117 arc026_4 D. 道を直すお仕事 2297 1942
118 agc024_d D. Isomorphism Freak 2307 1138
119 arc049_c C. ぬりまーす 2308 360
120 arc090_c E. Avoiding Collision 2319 1696
121 arc115_d D. Odd Degree 2325 1069
122 abc133_f F. Colorful Tree 2330 2061
123 agc011_c C. Squared Graph 2355 1380
124 dwango2016qual_c C. メンテナンス明け 2384 202
125 jsc2021_g G. Spanning Tree 2451 464
126 abc364_g G. Last Major City 2455 829
127 arc084_b D. Small Multiple 2457 6935
128 agc028_c C. Min Cost Cycle 2463 1238
129 abc163_f F. path pass i 2470 1456
130 arc010_4 D. 情報伝播 2481 262
131 abc254_h Ex. Multiply or Divide by 2 2499 1088
132 arc061_c E. Snuke's Subway Trip 2502 2244
133 abc175_f F. Making Palindrome 2512 838
134 arc039_d D. 旅行会社高橋君 2550 345
135 arc093_c E. Bichrome Spanning Tree 2551 1122
136 tenka1_2015_qualA_d D. ハシポン 2559 120
137 abc306_g G. Return to 1 2563 705
138 keyence2019_e E. Connecting Cities 2623 925
139 abc210_f F. Coprime Solitaire 2632 932
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 57
142 agc038_d D. Unique Path 2682 879
143 jsc2019_qual_e E. Card Collector 2691 707
144 abc155_f F. Perils in Parallel 2738 1245
145 tenka1_2014_qualA_e E. パズルの移動 2750 85
146 agc018_d D. Tree and Hamilton Path 2757 1178
147 arc103_d F. Distance Sums 2836 1607
148 abc301_h Ex. Difference of Distance 2898 239
149 agc016_e E. Poor Turkeys 3029 1382
150 arc045_d D. みんな仲良し高橋君 3039 198
151 arc048_d D. たこ焼き屋とQ人の高橋君 3062 152
152 codefestival_2016_final_g G. Zigzag MST 3072 463
153 arc021_4 D. だいたい最小全域木 3152 72
154 agc017_e E. Jigsaw 3158 671
155 arc062_d F. Painting Graphs with AtCoDeer 3175 598
156 abc269_h Ex. Antichain 3178 319
157 arc069_d F. Flags 3200 1276
158 agc006_f F. Blackout 3530 1142
159 agc027_f F. Grafting 3544 591
160 nikkei2019_2_qual_f F. Mirror Frame 3805 61
161 cf17_final_j J. Tree MST 3822 1057
162 typical90_c 003. Longest Circular Road（★4） null 9633
163 typical90_bz 078. Easy Graph Problem（★2） null 7905
164 typical90_z 026. Independent Set on a Tree（★4） null 5986
165 typical90_m 013. Passing（★5） null 5570
166 typical90_u 021. Come Back in One Piece（★5） null 4288
167 typical90_aq 043. Maze Challenge with Lack of Sleep（★4） null 3738
168 joi2008yo_f F. 船旅 null 2922
169 agc001_c C. Shorten Diameter null 2831
170 joi2016yo_e E. ゾンビ島 (Zombie Island) null 1952
171 practice2_g G. SCC null 1901
172 joisc2010_finals finals. 本選会場 (Finals) null 1600
173 joi2014yo_e E. タクシー (Taxis) null 1588
174 typical90_aw 049. Flip Digits 2（★6） null 1450
175 past201912_k K. Conglomerate null 1434
176 past202004_h H. 1-9 Grid null 1420
177 past201912_j J. Leveling null 1303
178 past201912_l L. Gradation null 1072
179 typical90_ai 035. Preserve Connectivity（★7） null 1041
180 tenka1_2016_qualA_b B. PackDrop null 778
181 mujin_pc_2018_d D. うほょじご null 777
182 code_festival_2018_final_a A. 2540 null 772
183 past202010_j J. ワープ null 713
184 maximum_cup_2018_c C. 嘘つきな天使たち null 688
185 past202005_m M. Real Traveling Salesman null 674
186 joi2015ho_c C. JOI 公園 (JOI Park) null 657
187 typical90_bs 071. Fuzzy Priority（★7） null 646
188 joi2017yo_f F. ヘビの JOI 君 (Snake JOI) null 645
189 iroha2019_day2_d D. 楽しすぎる家庭菜園 null 581
190 joi2021_yo2_b B. パンケーキ (Pancake) null 563
191 past202104_g G. One Step at a Time null 541
192 past202010_m M. 筆塗り null 535
193 jsc2019_final_b B. Reachability null 532
194 code_thanks_festival_2017_g G. Mixture Drug null 524
195 joig2021_e E. パレード (Parade) null 522
196 mujin_pc_2018_e E. 迷路 null 513
197 past202107_j J. Never Ending Journey null 505
198 joisc2007_route route. 象使い (Route) null 497
199 joi2011ho3 C. JOI 国の買い物事情 (Shopping in JOI Kingdom) null 496
200 joi2013ho3 3. 現代的な屋敷 (Modern Mansion) null 484
201 past202004_o O. Variable Spanning Trees null 477
202 joisc2008_flu flu. インフルエンザ (Flu) null 460
203 past202107_k K. Flying Trip null 443
204 joisc2008_sheet sheet. 色紙 (Sheet) null 439
205 tkppc4_1_h H. don't be late null 436
206 qupc2018_c C. Ito Campus null 436
207 wupc2012_5 E. 会場への道 null 430
208 indeednow_2015_finalb_d D. Game on a Grid null 424
209 joisc2009_advertisement advertisement. 宣伝 (Advertisement) null 402
210 past202104_l L. Urban Planning null 386
211 dwacon5th_final_a A. Taro vs. Jiro null 375
212 iroha2019_day1_i I. リスのお仕事 null 340
213 iroha2019_day2_g G. 通学路 null 338
214 icpc2012autumn_c C. Median Tree null 317
215 joisc2014_f F. 友だちをつくろう null 314
216 past202104_o O. Shortest Distance Query null 304
217 utpc2013_03 C. 直径 null 303
218 kupc2015_c C. 最短経路 null 276
219 yahoo_procon2019_final_b B. Bonsai Grafting null 248
220 joi2012ho5 E. JOI 国のお祭り事情 (Festivals in JOI Kingdom) null 248
221 asaporo_c A. Graph null 242
222 cf_2015_relay_f F. グラフの個数 null 236
223 joisc2014_j J. 電圧 null 227
224 kupc2017_e E. Treasure Hunt null 226
225 fuka_liquid C. 流れ null 216
226 utpc2013_08 H. Asteroids2 null 194
227 ttpc2019_f F. Road Construction null 194
228 wupc2019_c C. Permutation City null 194
229 ttpc2019_m M. Inversion Numbers of Tree null 190
230 joi2017ho_d D. サッカー (Soccer) null 188
231 code_festival_relay_f F. ループを探せ null 177
232 code_thanks_festival_2015_g G. カメレオン null 169
233 yahoo_procon2018_final_c C. 木の問題 null 164
234 s8pc_6_e E. 90-degree Rotations null 147
235 pakencamp_2019_day4_e E. IOI のために null 143
236 tenka1_2015_final_f F. 根付き木のみさわさん null 131
237 ddcc2017_final_c C. グラフいじり null 111
238 njpc2017_h H. 白黒ツリー null 110
239 joisc2011_report report. 報告 (Report) null 106
240 iroha2019_day2_k K. 虫取り null 106
241 code_festival_relay_i I. 信号待ち null 104
242 qupc2018_g G. Tapu & Tapi 2 null 103
243 nyc2015_5 E. ひも null 102
244 utpc2013_06 F. 魔法の糸 null 98
245 yuha_c88_d D. 氷柱の上の聖剣 null 97
246 yahoo_procon2018_qual_e E. グラフの問題 null 94
247 kupc2012_11 K. XOR回廊 null 90
248 maximum_cup_2018_e E. Interrupt Array null 90
249 joisc2012_building2 building2. ビルの飾り付け 2 null 89
250 cpsco2019_s2_g G. MSTX null 78
251 nikkei2019_final_f F. Flights null 78
252 utpc2013_09 I. 支配と友好 null 69
253 otemae2019_g G. 空をかけるピ太郎 (Pitaro, who Leaps through Air) null 68
254 nikkei2019_final_g G. Greatest Journey null 60
255 ttpc2015_n N. 何かグラフの問題 null 55
256 nikkei2019_2_final_d D. 木、 null 54
257 code_festival_exhibition_a A. パズル null 46
258 tenka1_2016_qualA_e E. 無限グラフ null 41
259 cpsco2019_s4_f F. Lost Tree null 41
260 dwacon6th_final_c C. Tree Shrinking null 38
261 dwacon5th_final_c C. Interval and MST null 32
262 k4pc_f F. タイトル未定(Untitled) null 20