Graph

# ID Name Difficulty Solver
1 abc225_b B. Star or Not -345 10425
2 yahoo_procon2019_qual_b B. Path -122 5040
3 abc061_b B. Counting Roads 108 14705
4 abc204_c C. Tour 629 10158
5 abc209_d D. Collision 686 7872
6 abc350_d D. New Friends 773 5927
7 abc016_3 C. 友達の友達 830 4906
8 abc320_d D. Relative Position 873 6110
9 abc160_d D. Line++ 879 10932
10 abc138_d D. Ki 920 10402
11 abc315_e E. Prerequisites 921 5422
12 abc079_d D. Wall 949 6905
13 abc309_e E. Family and Insurance 957 5329
14 abc088_d D. Grid Repainting 999 8530
15 abc218_e E. Destruction 1004 5878
16 abc291_e E. Find Permutation 1069 4802
17 abc325_e E. Our clients, please wait a moment 1093 3996
18 arc037_b B. バウムテスト 1109 3969
19 abc286_e E. Souvenir 1128 3912
20 abc192_e E. Train 1135 5274
21 abc282_d D. Make Bipartite 2 1154 4597
22 abc328_e E. Modulo MST 1160 4521
23 abc012_4 D. バスと避けられない運命 1166 4732
24 abc070_d D. Transit Tree Path 1182 5738
25 abc277_e E. Crystal Switches 1183 4118
26 abc208_d D. Shortest Path Queries 2 1190 5715
27 abc146_d D. Coloring Edges on Tree 1192 6318
28 abc237_e E. Skiing 1208 4005
29 abc256_e E. Takahashi's Anguish 1224 3982
30 agc014_b B. Unplanned Queries 1236 3683
31 abc054_c C. One-stroke Path 1244 9290
32 abc176_d D. Wizard in Maze 1248 6961
33 abc126_d D. Even Relation 1279 8413
34 abc296_e E. Transition Game 1285 3422
35 code_festival_morning_easy_c C. 身体バランス 1293 1231
36 abc252_e E. Road Reduction 1294 4280
37 arc030_2 B. ツリーグラフ 1298 1751
38 abc235_e E. MST + 1 1304 4078
39 abc289_e E. Swap Places 1318 3803
40 abc191_e E. Come Back Quickly 1323 4533
41 abc021_c C. 正直者の高橋くん 1324 2846
42 arc111_b B. Reversible Cards 1334 3329
43 abc073_d D. joisino's travel 1345 4833
44 abc348_e E. Minimize Sum of Distances 1347 3231
45 agc039_b B. Graph Partition 1393 2733
46 abc245_f F. Endless Walk 1451 3515
47 abc342_e E. Last Train 1476 2822
48 arc011_3 C. ダブレット 1488 1360
49 abc022_c C. Blue Bird 1505 2565
50 nikkei2019_qual_d D. Restore the Tree 1541 2512
51 arc083_b D. Restoring Road Network 1563 4441
52 abc051_d D. Candidates of No Shortest Paths 1566 4174
53 abc035_d D. トレジャーハント 1591 2939
54 abc282_e E. Choose Two and Eat One 1604 3077
55 arc076_b D. Built? 1615 5290
56 abc210_e E. Ring MST 1618 2637
57 zone2021_e E. Sneaking 1624 2013
58 abc132_e E. Hopscotch Addict 1625 4306
59 abc243_e E. Edge Deletion 1637 3645
60 soundhound2018_summer_qual_d D. Saving Snuuk 1637 2465
61 abc202_e E. Count Descendants 1638 3722
62 nikkei2019_2_qual_d D. Shortest Path on a Line 1647 2174
63 arc035_c C. アットコーダー王国の交通事情 1655 1292
64 codefestival_2016_qualB_c C. Gr-idian MST 1688 1764
65 arc022_3 C. ロミオとジュリエット 1694 1307
66 abc143_e E. Travel by Car 1695 3815
67 abc294_g G. Distance Queries on a Tree 1702 2132
68 arc056_b B. 駐車場 1726 1305
69 abc137_e E. Coins Respawn 1740 3174
70 arc044_b B. 最短路問題 1744 1270
71 agc013_b B. Hamiltonish Path 1763 2130
72 arc064_c E. Cosmic Rays 1769 2164
73 abc280_f F. Pay or Receive 1819 1891
74 agc044_a A. Pay to Win 1828 2506
75 abc270_f F. Transportation 1834 2119
76 abc061_d D. Score Attack 1838 3860
77 indeednow_2015_quala_4 D. パズル 1838 474
78 abc165_f F. LIS on Tree 1843 3108
79 abc014_4 D. 閉路 1856 2229
80 abc164_e E. Two Currencies 1877 2740
81 code_festival_2017_qualb_c C. 3 Steps 1883 2135
82 abc142_f F. Pure 1919 2139
83 jsc2019_qual_d D. Classified 1924 1332
84 arc008_3 C. THE☆たこ焼き祭り2012 1927 730
85 abc267_f F. Exactly K Steps 1939 2176
86 abc197_f F. Construct a Palindrome 1945 1918
87 arc025_3 C. ウサギとカメ 1954 791
88 abc216_g G. 01Sequence 1963 1717
89 abc152_f F. Tree and Constraints 1965 2113
90 abc170_f F. Pond Skater 1968 2424
91 arc029_3 C. 高橋君と国家 1973 914
92 arc065_b D. Connectivity 1996 4592
93 tenka1_2012_qualA_3 C. 敵対的引用 1996 329
94 arc045_c C. エックスオア多橋君 2022 817
95 agc035_b B. Even Degrees 2039 1557
96 agc027_c C. ABland Yard 2077 1324
97 abc291_h Ex. Balanced Tree 2097 844
98 abc286_g G. Unique Walk 2135 991
99 nikkei2019_2_qual_c C. Swaps 2136 1088
100 arc030_3 C. 有向グラフ 2180 482
101 arc063_c E. Integers on a Tree 2198 1433
102 agc015_c C. Nuske vs Phantom Thnook 2241 1697
103 arc052_c C. 高橋くんと不思議な道 2277 406
104 agc032_c C. Three Circuits 2284 1196
105 arc026_4 D. 道を直すお仕事 2297 989
106 agc024_d D. Isomorphism Freak 2307 967
107 arc049_c C. ぬりまーす 2308 341
108 arc090_c E. Avoiding Collision 2319 1406
109 arc115_d D. Odd Degree 2325 808
110 abc133_f F. Colorful Tree 2330 1584
111 agc011_c C. Squared Graph 2355 1129
112 dwango2016qual_c C. メンテナンス明け 2384 188
113 jsc2021_g G. Spanning Tree 2451 405
114 arc084_b D. Small Multiple 2457 3819
115 agc028_c C. Min Cost Cycle 2463 1061
116 abc163_f F. path pass i 2470 1175
117 arc010_4 D. 情報伝播 2481 249
118 abc254_h Ex. Multiply or Divide by 2 2499 804
119 arc061_c E. Snuke's Subway Trip 2502 1714
120 abc175_f F. Making Palindrome 2512 725
121 arc039_d D. 旅行会社高橋君 2550 295
122 arc093_c E. Bichrome Spanning Tree 2551 936
123 tenka1_2015_qualA_d D. ハシポン 2559 103
124 abc306_g G. Return to 1 2563 514
125 keyence2019_e E. Connecting Cities 2623 710
126 abc210_f F. Coprime Solitaire 2632 549
127 arc018_4 D. 僕は友達が少ない 2644 147
128 discovery_2016_final_d D. ディスコ社内ツアーⅡ 2652 51
129 agc038_d D. Unique Path 2682 735
130 jsc2019_qual_e E. Card Collector 2691 518
131 abc155_f F. Perils in Parallel 2738 745
132 tenka1_2014_qualA_e E. パズルの移動 2750 85
133 agc018_d D. Tree and Hamilton Path 2757 921
134 arc103_d F. Distance Sums 2836 1166
135 agc016_e E. Poor Turkeys 3029 919
136 arc045_d D. みんな仲良し高橋君 3039 134
137 arc048_d D. たこ焼き屋とQ人の高橋君 3062 143
138 codefestival_2016_final_g G. Zigzag MST 3072 372
139 arc021_4 D. だいたい最小全域木 3152 64
140 agc017_e E. Jigsaw 3158 523
141 arc062_d F. Painting Graphs with AtCoDeer 3175 446
142 arc069_d F. Flags 3200 729
143 agc006_f F. Blackout 3530 805
144 agc027_f F. Grafting 3544 419
145 nikkei2019_2_qual_f F. Mirror Frame 3805 53
146 cf17_final_j J. Tree MST 3822 535
147 typical90_c 003. Longest Circular Road（★4） null 6935
148 typical90_bz 078. Easy Graph Problem（★2） null 5720
149 typical90_z 026. Independent Set on a Tree（★4） null 4359
150 typical90_m 013. Passing（★5） null 3984
151 typical90_u 021. Come Back in One Piece（★5） null 3077
152 typical90_aq 043. Maze Challenge with Lack of Sleep（★4） null 2655
153 joi2008yo_f F. 船旅 null 2392
154 agc001_c C. Shorten Diameter null 2110
155 joi2016yo_e E. ゾンビ島 (Zombie Island) null 1546
156 practice2_g G. SCC null 1393
157 joisc2010_finals finals. 本選会場 (Finals) null 1297
158 joi2014yo_e E. タクシー (Taxis) null 1250
159 past202004_h H. 1-9 Grid null 1240
160 past201912_k K. Conglomerate null 1219
161 past201912_j J. Leveling null 1170
162 typical90_aw 049. Flip Digits 2（★6） null 1019
163 past201912_l L. Gradation null 963
164 code_festival_2018_final_a A. 2540 null 743
165 mujin_pc_2018_d D. うほょじご null 742
166 tenka1_2016_qualA_b B. PackDrop null 730
167 typical90_ai 035. Preserve Connectivity（★7） null 716
168 maximum_cup_2018_c C. 嘘つきな天使たち null 621
169 past202010_j J. ワープ null 617
170 past202005_m M. Real Traveling Salesman null 569
171 iroha2019_day2_d D. 楽しすぎる家庭菜園 null 522
172 jsc2019_final_b B. Reachability null 518
173 mujin_pc_2018_e E. 迷路 null 498
174 joi2015ho_c C. JOI 公園 (JOI Park) null 495
175 joi2017yo_f F. ヘビの JOI 君 (Snake JOI) null 475
176 code_thanks_festival_2017_g G. Mixture Drug null 472
177 typical90_bs 071. Fuzzy Priority（★7） null 459
178 past202104_g G. One Step at a Time null 454
179 past202107_j J. Never Ending Journey null 412
180 wupc2012_5 E. 会場への道 null 400
181 past202004_o O. Variable Spanning Trees null 400
182 indeednow_2015_finalb_d D. Game on a Grid null 392
183 past202010_m M. 筆塗り null 389
184 tkppc4_1_h H. don't be late null 388
185 joi2011ho3 C. JOI 国の買い物事情 (Shopping in JOI Kingdom) null 380
186 qupc2018_c C. Ito Campus null 378
187 joisc2007_route route. 象使い (Route) null 373
188 dwacon5th_final_a A. Taro vs. Jiro null 370
189 past202107_k K. Flying Trip null 368
190 joisc2008_flu flu. インフルエンザ (Flu) null 363
191 joi2021_yo2_b B. パンケーキ (Pancake) null 362
192 joi2013ho3 3. 現代的な屋敷 (Modern Mansion) null 349
193 joisc2008_sheet sheet. 色紙 (Sheet) null 340
194 joig2021_e E. パレード (Parade) null 327
195 past202104_l L. Urban Planning null 319
196 iroha2019_day2_g G. 通学路 null 306
197 iroha2019_day1_i I. リスのお仕事 null 306
198 joisc2009_advertisement advertisement. 宣伝 (Advertisement) null 302
199 icpc2012autumn_c C. Median Tree null 283
200 kupc2015_c C. 最短経路 null 262
201 utpc2013_03 C. 直径 null 260
202 cf_2015_relay_f F. グラフの個数 null 227
203 past202104_o O. Shortest Distance Query null 226
204 asaporo_c A. Graph null 223
205 joisc2014_f F. 友だちをつくろう null 215
206 kupc2017_e E. Treasure Hunt null 207
207 fuka_liquid C. 流れ null 202
208 yahoo_procon2019_final_b B. Bonsai Grafting null 189
209 ttpc2019_f F. Road Construction null 186
210 wupc2019_c C. Permutation City null 185
211 utpc2013_08 H. Asteroids2 null 177
212 joi2012ho5 E. JOI 国のお祭り事情 (Festivals in JOI Kingdom) null 166
213 code_festival_relay_f F. ループを探せ null 157
214 joisc2014_j J. 電圧 null 152
215 ttpc2019_m M. Inversion Numbers of Tree null 144
216 code_thanks_festival_2015_g G. カメレオン null 142
217 s8pc_6_e E. 90-degree Rotations null 140
218 joi2017ho_d D. サッカー (Soccer) null 125
219 pakencamp_2019_day4_e E. IOI のために null 125
220 yahoo_procon2018_final_c C. 木の問題 null 123
221 ddcc2017_final_c C. グラフいじり null 110
222 tenka1_2015_final_f F. 根付き木のみさわさん null 105
223 code_festival_relay_i I. 信号待ち null 99
224 qupc2018_g G. Tapu & Tapi 2 null 92
225 utpc2013_06 F. 魔法の糸 null 90
226 njpc2017_h H. 白黒ツリー null 90
227 yuha_c88_d D. 氷柱の上の聖剣 null 90
228 yahoo_procon2018_qual_e E. グラフの問題 null 88
229 joisc2011_report report. 報告 (Report) null 88
230 iroha2019_day2_k K. 虫取り null 85
231 maximum_cup_2018_e E. Interrupt Array null 81
232 cpsco2019_s2_g G. MSTX null 75
233 joisc2012_building2 building2. ビルの飾り付け 2 null 74
234 nyc2015_5 E. ひも null 73
235 nikkei2019_final_f F. Flights null 70
236 utpc2013_09 I. 支配と友好 null 65
237 otemae2019_g G. 空をかけるピ太郎 (Pitaro, who Leaps through Air) null 64
238 ttpc2015_n N. 何かグラフの問題 null 51
239 nikkei2019_final_g G. Greatest Journey null 51
240 kupc2012_11 K. XOR回廊 null 50
241 nikkei2019_2_final_d D. 木、 null 47
242 cpsco2019_s4_f F. Lost Tree null 38
243 tenka1_2016_qualA_e E. 無限グラフ null 37
244 code_festival_exhibition_a A. パズル null 36
245 dwacon6th_final_c C. Tree Shrinking null 33
246 dwacon5th_final_c C. Interval and MST null 18
247 k4pc_f F. タイトル未定(Untitled) null 18