ID 题目 显示标签 隐藏标签 AC / 尝试 难度
2596 codeforces#P1036G  Sources and Sinks 0 / 0 10
2591 codeforces#P1037D  Valid BFS? 1 / 1 5
2583 codeforces#P1038E  Maximum Matching 1 / 3 9
2580 codeforces#P1039C  Network Safety 0 / 0 8
2563 codeforces#P1042F  Leaf Sets 0 / 0 9
2554 codeforces#P1044B  Intersecting Subtrees 0 / 0 6
2548 codeforces#P1045C  Hyperspace Highways 0 / 0 8
2510 codeforces#P1056D  Decorate Apple Tree 0 / 0 5
2502 codeforces#P1057A  Bmail Computer Network 0 / 2 3
2491 codeforces#P1060E  Sergey and Subway 0 / 0 7
2478 codeforces#P1062D  Fun with Integers 0 / 0 6
2477 codeforces#P1062E  Company 0 / 0 8
2476 codeforces#P1062F  Upgrading Cities 0 / 0 10
2464 codeforces#P1065D  Three Pieces 0 / 0 8
2463 codeforces#P1065F  Up and Down the Tree 0 / 0 9
2454 codeforces#P1067B  Multihedgehog 0 / 0 6
2427 codeforces#P1073F  Choosing Two Paths 0 / 0 9
2339 codeforces#P1092E  Minimal Diameter Forest 1 / 1 7
2338 codeforces#P1092F  Tree with Maximum Cost 1 / 8 6
2334 codeforces#P1093D  Beautiful Graph 0 / 0 5
2309 codeforces#P1098A  Sum in the tree 0 / 0 5
2306 codeforces#P1098C  Construct a tree 1 / 1 9
2300 codeforces#P1099F  Cookies 0 / 0 9
2295 codeforces#P1100E  Andrew and Taxi 1 / 1 8
2290 codeforces#P1101D  GCD Counting 0 / 0 7
2278 codeforces#P1103C  Johnny Solving 0 / 0 10
2270 codeforces#P1105D  Kilani and the Game 0 / 0 6
2265 codeforces#P1106D  Lunar New Year and a Wander 0 / 0 5
2230 codeforces#P1111E  Tree 0 / 0 9
2188 codeforces#P1118F1  Tree Cutting (Easy Version) 0 / 0 6
2190 codeforces#P1118F2  Tree Cutting (Hard Version) 1 / 2 10
2176 codeforces#P1120D  Power Tree 0 / 0 9
2162 codeforces#P1130C  Connect 0 / 0 4
2158 codeforces#P1131D  Gourmet choice 1 / 3 7
2150 codeforces#P1132E  Knapsack 0 / 0 8
2141 codeforces#P1133F2  Spanning Tree with One Fixed Degree 0 / 0 6
2125 codeforces#P1139C  Edgy Trees 0 / 0 5
2107 codeforces#P1141G  Privatization of Roads in Treeland 0 / 0 6
2105 codeforces#P1142B  Lynyrd Skynyrd 0 / 0 7
2099 codeforces#P1143C  Queen 0 / 0 4
2093 codeforces#P1144F  Graph Without Long Directed Paths 0 / 0 5
2081 codeforces#P1146D  Frog Jumping 0 / 0 7
2072 codeforces#P1147D  Palindrome XOR 0 / 0 9
2048 codeforces#P1152B  Neko Performs Cat Furrier Transform 0 / 0 4
2045 codeforces#P1152E  Neko and Flashback 0 / 0 9
2039 codeforces#P1153D  Serval and Rooted Tree 0 / 0 6
2022 codeforces#P1156B  Ugly Pairs 0 / 0 6
2020 codeforces#P1156D  0-1-Tree 0 / 0 8
2006 codeforces#P1158C  Permutation recovery 0 / 1 7
1975 codeforces#P1167C  News Distribution 0 / 0 4

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