This documentation is automatically generated by online-judge-tools/verification-helper
# verification-helper: PROBLEM http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=GRL_5_A
import sys
input = sys.stdin.buffer.readline
from Graph.Tree.rerooting import rerooting
from Graph.misc.edge_to_vertex import edge_to_vertex
def main():
n = int(input())
edges = [list(map(int, input().split())) for i in range(n - 1)]
edges, vals = edge_to_vertex(n, edges)
unit = (0, 0)
def merge(a, b):
if a[0] > b[0]:
return (a[0], b[0])
return (b[0], a[0])
def addnode(a, v):
return (a[0] + vals[v], a[1] + vals[v])
ans = rerooting(n + n - 1, edges, unit, merge, addnode)
print(max([l1 + l2 for l1, l2 in ans[:n]]))
if __name__ == '__main__':
main()
Traceback (most recent call last):
File "/opt/hostedtoolcache/Python/3.12.4/x64/lib/python3.12/site-packages/onlinejudge_verify/documentation/build.py", line 71, in _render_source_code_stat
bundled_code = language.bundle(stat.path, basedir=basedir, options={'include_paths': [basedir]}).decode()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/hostedtoolcache/Python/3.12.4/x64/lib/python3.12/site-packages/onlinejudge_verify/languages/python.py", line 96, in bundle
raise NotImplementedError
NotImplementedError