8.15ctrip笔试
由于笔试要求不能向外***，所以仅放代码以供参考。
笔者很惨，第一条应该没问题但是测试没过，第二条由于分析错误导致未能写完，结束后自己编写了测试用例，调试通过了。
1.
2.
def divingBoard(a, b, k): if k == 0:return [] temp = set() for i in range(k+1): s = i*a + (k-i)*b temp.add(s) res = [] while temp: res.append(temp.pop()) return sorted(res)
2.
def setNode(s):
t = s.split('|')
tree = []
for i in t:
node = i.split('^')
tree.append(node)
return tree
def dfs(root,cur,tree,res):
if root[2] == 'END':
cur += int(root[1])
res.append(cur)
cur -= int(root[1])
else:
cur += int(root[1])
next = root[2].split(',')
for n in next:
for i in range(len(tree)):
if tree[i][0] == n:
index = i
dfs(tree[index],cur,tree,res)
def treeMaxValue(s):
tree = setNode(s)
res = []
dfs(tree[0],0,tree,res)
return max(res)
s = 'HEAD^0^A,B,C|A^50^END|B^20^END|C^30^D,E|D^10^F|E^20^END|F^40^END'
print(treeMaxValue(s))
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