Eulerian Trail (Directed) (verify/graph/euler_directed.test.cpp)

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• Last update: 2025-05-22 14:15:11+02:00
• Problem: https://judge.yosupo.jp/problem/eulerian_trail_directed

Depends on

• cp-algo/graph/base.hpp
• cp-algo/graph/edge_types.hpp
• cp-algo/graph/euler.hpp
• cp-algo/structures/stack_union.hpp

Code

// @brief Eulerian Trail (Directed)
#define PROBLEM "https://judge.yosupo.jp/problem/eulerian_trail_directed"
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("tune=native")
#include "cp-algo/graph/euler.hpp"
#include <bits/stdc++.h>

using namespace std;
using namespace cp_algo::graph;

void solve() {
    int n, m;
    cin >> n >> m;
    graph<directed> g(n);
    g.read_edges(m);
    auto [v0, es] = euler_trail(g);
    if(ssize(es) != m) {
        cout << "No" << "\n";
    } else {
        cout << "Yes" << "\n";
        cout << v0 << ' ';
        for(auto e: es) {cout << g.edge(e).to << ' ';}
        cout << "\n";
        for(auto e: es) {cout << e / 2 << ' ';}
        cout << "\n";
    }
}

signed main() {
    //freopen("input.txt", "r", stdin);
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t = 1;
    cin >> t;
    while(t--) {
        solve();
    }
}

Traceback (most recent call last):
  File "/home/runner/.local/lib/python3.12/site-packages/competitive_verifier/oj_resolve/resolver.py", line 181, in resolve
    bundled_code = language.bundle(path, basedir=basedir)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/runner/.local/lib/python3.12/site-packages/competitive_verifier/oj/verify/languages/cplusplus.py", line 252, in bundle
    bundler.update(path)
  File "/home/runner/.local/lib/python3.12/site-packages/competitive_verifier/oj/verify/languages/cplusplus_bundle.py", line 327, in update
    assert len(lines) == len(uncommented_lines)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError

Test cases

Env	Name	Status	Elapsed	Memory
g++	euler_tour_00	AC	61 ms	12 MB
g++	euler_tour_01	AC	61 ms	11 MB
g++	euler_tour_02	AC	59 ms	10 MB
g++	euler_tour_03	AC	61 ms	9 MB
g++	example_00	AC	5 ms	4 MB
g++	example_01	AC	4 ms	4 MB
g++	many_same_vertex_00	AC	60 ms	16 MB
g++	many_same_vertex_01	AC	65 ms	16 MB
g++	many_same_vertex_02	AC	67 ms	16 MB
g++	max_random_00	AC	25 ms	7 MB
g++	max_random_01	AC	25 ms	7 MB
g++	max_random_02	AC	33 ms	8 MB
g++	max_random_walk_00	AC	53 ms	15 MB
g++	max_random_walk_01	AC	56 ms	15 MB
g++	max_random_walk_02	AC	72 ms	16 MB
g++	mid_random_00	AC	23 ms	4 MB
g++	mid_random_01	AC	23 ms	4 MB
g++	mid_random_02	AC	23 ms	4 MB
g++	mid_random_walk_00	AC	44 ms	4 MB
g++	mid_random_walk_01	AC	41 ms	4 MB
g++	mid_random_walk_02	AC	41 ms	4 MB
g++	small_random_00	AC	25 ms	4 MB
g++	small_random_01	AC	24 ms	4 MB
g++	small_random_02	AC	25 ms	4 MB
g++	small_random_walk_00	AC	41 ms	4 MB
g++	small_random_walk_01	AC	41 ms	4 MB
g++	small_random_walk_02	AC	43 ms	4 MB

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