ID 题目 显示标签 隐藏标签 AC / 尝试 难度
4265 P1039C   Network Safety 0 / 0 8
4249 P1042F   Leaf Sets 0 / 0 9
4240 P1044B   Intersecting Subtrees 0 / 0 6
4233 P1045C   Hyperspace Highways 0 / 0 8
4194 P1056D   Decorate Apple Tree 0 / 0 5
4189 P1057A   Bmail Computer Network 0 / 0 3
4177 P1060E   Sergey and Subway 0 / 0 7
4164 P1062D   Fun with Integers 0 / 0 6
4163 P1062E   Company 0 / 0 8
4162 P1062F   Upgrading Cities 0 / 0 10
4150 P1065D   Three Pieces 0 / 0 8
4148 P1065F   Up and Down the Tree 0 / 0 9
4139 P1067B   Multihedgehog 0 / 0 6
4113 P1073F   Choosing Two Paths 0 / 0 9
4011 P1092E   Minimal Diameter Forest 0 / 0 7
4010 P1092F   Tree with Maximum Cost 0 / 0 6
4006 P1093D   Beautiful Graph 0 / 0 5
3981 P1098A   Sum in the tree 0 / 0 5
3979 P1098C   Construct a tree 0 / 0 9
3972 P1099F   Cookies 0 / 0 9
3967 P1100E   Andrew and Taxi 0 / 0 8
3962 P1101D   GCD Counting 0 / 0 7
3950 P1103C   Johnny Solving 0 / 0 10
3942 P1105D   Kilani and the Game 0 / 0 6
3937 P1106D   Lunar New Year and a Wander 0 / 0 5
3902 P1111E   Tree 0 / 0 9
3861 P1118F1   Tree Cutting (Easy Version) 0 / 0 6
3860 P1118F2   Tree Cutting (Hard Version) 0 / 0 10
3848 P1120D   Power Tree 0 / 0 9
3834 P1130C   Connect 0 / 0 4
3830 P1131D   Gourmet choice 0 / 0 7
3822 P1132E   Knapsack 0 / 0 8
3813 P1133F2   Spanning Tree with One Fixed Degree 0 / 0 6
3797 P1139C   Edgy Trees 0 / 0 5
3779 P1141G   Privatization of Roads in Treeland 0 / 0 6
3777 P1142B   Lynyrd Skynyrd 0 / 0 7
3771 P1143C   Queen 0 / 0 4
3765 P1144F   Graph Without Long Directed Paths 0 / 0 5
3753 P1146D   Frog Jumping 0 / 0 7
3745 P1147D   Palindrome XOR 0 / 0 9
3720 P1152B   Neko Performs Cat Furrier Transform 0 / 0 4
3717 P1152E   Neko and Flashback 0 / 0 9
3711 P1153D   Serval and Rooted Tree 0 / 0 6
3694 P1156B   Ugly Pairs 0 / 0 6
3692 P1156D   0-1-Tree 0 / 0 8
3678 P1158C   Permutation recovery 0 / 0 7
3646 P1167C   News Distribution 0 / 0 4
3624 P1172B   Nauuo and Circle 0 / 0 6
3606 P1175E   Minimal Segment Cover 0 / 0 8
3600 P1176D   Recover it! 0 / 0 6

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