Suspension of classes to prepare for NOIP, the first time in life.
The question is difficult, in the words of the teacher, but it is to temper the mood.
Total score: 106
T1: Space Walk
When I took the exam, I planned to use the dictionary tree at the beginning, but when I found that I read the wrong question, I typed a dfs. I couldn't figure out how to deal with the nested situation.
Score: 56
T2: Deconstruction of the tree
Understand the question, output n-1
score: 10
positive solutions: ans= ∑ i = 1 n ∑ j = 1 depi 1 j \sum_{i=1}^{n}\sum_{j=1}^{dep_i}\ frac{1}{j}∑i=1n∑j=1depij1
T3: Little T and Lingshi
Understand the question and play pure violence
Score: 40
T4: Small S buried mine
No, output 0
points: 0