verify/AI/bellmanford_test.nim

View this file on GitHub
Last update: 2026-07-07 07:56:57+09:00
Problem: https://onlinejudge.u-aizu.ac.jp/problems/ITP1_1_A

Depends on

Code

# verification-helper: PROBLEM https://onlinejudge.u-aizu.ac.jp/problems/ITP1_1_A
echo "Hello World"

import cplib/graph/bellmanford
import cplib/graph/graph

var g = initWeightedDirectedGraph(4)
g.add_edge(0, 1, 2)
g.add_edge(1, 2, -5)
g.add_edge(0, 2, 10)
g.add_edge(2, 3, 1)
assert g.bellmanford(0)[3] == -2
let restored = g.restore_bellmanford(0)
assert restored.costs[2] == -3
assert restored.prev[3] == 2
let sp = g.shortest_path_bellmanford(0, 3)
assert sp.path == @[0, 1, 2, 3]
assert sp.cost == -2

var ng = initWeightedDirectedGraph(3)
ng.add_edge(0, 1, 1)
ng.add_edge(1, 2, -3)
ng.add_edge(2, 1, 1)
assert ng.bellmanford(0)[1] < -1_000_000_000

Traceback (most recent call last):
  File "/home/runner/.local/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 "/home/runner/.local/lib/python3.12/site-packages/onlinejudge_verify/languages/nim.py", line 86, in bundle
    raise NotImplementedError
NotImplementedError