790 道题

ID 题目 显示标签 隐藏标签 AC / 尝试 难度
3323 P1039C   Network Safety 0 / 0 (无)
3307 P1042F   Leaf Sets 0 / 0 (无)
3298 P1044B   Intersecting Subtrees 0 / 0 (无)
3291 P1045C   Hyperspace Highways 0 / 0 (无)
3252 P1056D   Decorate Apple Tree 0 / 0 (无)
3247 P1057A   Bmail Computer Network 0 / 0 (无)
3235 P1060E   Sergey and Subway 0 / 0 (无)
3222 P1062D   Fun with Integers 0 / 0 (无)
3221 P1062E   Company 0 / 0 (无)
3220 P1062F   Upgrading Cities 0 / 0 (无)
3208 P1065D   Three Pieces 0 / 0 (无)
3206 P1065F   Up and Down the Tree 0 / 0 (无)
3197 P1067B   Multihedgehog 0 / 0 (无)
3171 P1073F   Choosing Two Paths 0 / 0 (无)
3069 P1092E   Minimal Diameter Forest 0 / 0 (无)
3068 P1092F   Tree with Maximum Cost 0 / 0 (无)
3064 P1093D   Beautiful Graph 0 / 0 (无)
3039 P1098A   Sum in the tree 0 / 0 (无)
3037 P1098C   Construct a tree 0 / 0 (无)
3030 P1099F   Cookies 0 / 0 (无)

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