結果

問題 No.1602 With Animals into Institute 2
ユーザー hitonanodehitonanode
提出日時 2021-07-10 14:36:01
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
MLE  
実行時間 -
コード長 10,345 bytes
コンパイル時間 2,376 ms
コンパイル使用メモリ 176,104 KB
実行使用メモリ 817,180 KB
最終ジャッジ日時 2024-07-02 02:25:32
合計ジャッジ時間 6,755 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge1
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 2 ms
5,248 KB
testcase_01 AC 2 ms
5,376 KB
testcase_02 AC 2 ms
5,376 KB
testcase_03 AC 6 ms
5,376 KB
testcase_04 AC 5 ms
5,376 KB
testcase_05 MLE -
testcase_06 -- -
testcase_07 -- -
testcase_08 -- -
testcase_09 -- -
testcase_10 -- -
testcase_11 -- -
testcase_12 -- -
testcase_13 -- -
testcase_14 -- -
testcase_15 -- -
testcase_16 -- -
testcase_17 -- -
testcase_18 -- -
testcase_19 -- -
testcase_20 -- -
testcase_21 -- -
testcase_22 -- -
testcase_23 -- -
testcase_24 -- -
testcase_25 -- -
testcase_26 -- -
testcase_27 -- -
testcase_28 -- -
testcase_29 -- -
testcase_30 -- -
testcase_31 -- -
testcase_32 -- -
testcase_33 -- -
testcase_34 -- -
testcase_35 -- -
testcase_36 -- -
testcase_37 -- -
testcase_38 -- -
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function 'std::vector<long long int> sssup(const std::vector<std::vector<std::pair<int, int> > >&, const SSSP&, std::vector<std::vector<int> >)':
main.cpp:141:21: warning: ignoring return value of 'std::priority_queue<_Tp, _Sequence, _Compare>::size_type std::priority_queue<_Tp, _Sequence, _Compare>::size() const [with _Tp = std::tuple<long long int, int, int>; _Sequence = std::vector<std::tuple<long long int, int, int>, std::allocator<std::tuple<long long int, int, int> > >; _Compare = std::less<std::tuple<long long int, int, int> >; size_type = long unsigned int]', declared with attribute 'nodiscard' [-Wunused-result]
  141 |         dbg(que.size());
      |                     ^
main.cpp:72:17: note: in definition of macro 'dbg'
   72 | #define dbg(x) (x)
      |                 ^
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/queue:64,
                 from main.cpp:19:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_queue.h:714:7: note: declared here
  714 |       size() const
      |       ^~~~

ソースコード

diff # 

#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <chrono>
#include <cmath>
#include <complex>
#include <deque>
#include <forward_list>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iostream>
#include <limits>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <tuple>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
using namespace std;
using lint = long long;
using pint = pair<int, int>;
using plint = pair<lint, lint>;
struct fast_ios { fast_ios(){ cin.tie(nullptr), ios::sync_with_stdio(false), cout << fixed << setprecision(20); }; } fast_ios_;
#define ALL(x) (x).begin(), (x).end()
#define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i<i##_end_;i++)
#define IFOR(i, begin, end) for(int i=(end)-1,i##_begin_=(begin);i>=i##_begin_;i--)
#define REP(i, n) FOR(i,0,n)
#define IREP(i, n) IFOR(i,0,n)
template <typename T, typename V>
void ndarray(vector<T>& vec, const V& val, int len) { vec.assign(len, val); }
template <typename T, typename V, typename... Args> void ndarray(vector<T>& vec, const V& val, int len, Args... args) { vec.resize(len), for_each(begin(vec), end(vec), [&](T& v) { ndarray(v, val, args...); }); }
template <typename T> bool chmax(T &m, const T q) { return m < q ? (m = q, true) : false; }
template <typename T> bool chmin(T &m, const T q) { return m > q ? (m = q, true) : false; }
int floor_lg(long long x) { return x <= 0 ? -1 : 63 - __builtin_clzll(x); }
template <typename T1, typename T2> pair<T1, T2> operator+(const pair<T1, T2> &l, const pair<T1, T2> &r) { return make_pair(l.first + r.first, l.second + r.second); }
template <typename T1, typename T2> pair<T1, T2> operator-(const pair<T1, T2> &l, const pair<T1, T2> &r) { return make_pair(l.first - r.first, l.second - r.second); }
template <typename T> vector<T> sort_unique(vector<T> vec) { sort(vec.begin(), vec.end()), vec.erase(unique(vec.begin(), vec.end()), vec.end()); return vec; }
template <typename T> int arglb(const std::vector<T> &v, const T &x) { return std::distance(v.begin(), std::lower_bound(v.begin(), v.end(), x)); }
template <typename T> int argub(const std::vector<T> &v, const T &x) { return std::distance(v.begin(), std::upper_bound(v.begin(), v.end(), x)); }
template <typename T> istream &operator>>(istream &is, vector<T> &vec) { for (auto &v : vec) is >> v; return is; }
template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec) { os << '['; for (auto v : vec) os << v << ','; os << ']'; return os; }
template <typename T, size_t sz> ostream &operator<<(ostream &os, const array<T, sz> &arr) { os << '['; for (auto v : arr) os << v << ','; os << ']'; return os; }
#if __cplusplus >= 201703L
template <typename... T> istream &operator>>(istream &is, tuple<T...> &tpl) { std::apply([&is](auto &&... args) { ((is >> args), ...);}, tpl); return is; }
template <typename... T> ostream &operator<<(ostream &os, const tuple<T...> &tpl) { os << '('; std::apply([&os](auto &&... args) { ((os << args << ','), ...);}, tpl); return os << ')'; }
#endif
template <typename T> ostream &operator<<(ostream &os, const deque<T> &vec) { os << "deq["; for (auto v : vec) os << v << ','; os << ']'; return os; }
template <typename T> ostream &operator<<(ostream &os, const set<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T, typename TH> ostream &operator<<(ostream &os, const unordered_set<T, TH> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T> ostream &operator<<(ostream &os, const multiset<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T> ostream &operator<<(ostream &os, const unordered_multiset<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &pa) { os << '(' << pa.first << ',' << pa.second << ')'; return os; }
template <typename TK, typename TV> ostream &operator<<(ostream &os, const map<TK, TV> &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; }
template <typename TK, typename TV, typename TH> ostream &operator<<(ostream &os, const unordered_map<TK, TV, TH> &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; }
#ifdef HITONANODE_LOCAL
const string COLOR_RESET = "\033[0m", BRIGHT_GREEN = "\033[1;32m", BRIGHT_RED = "\033[1;31m", BRIGHT_CYAN = "\033[1;36m", NORMAL_CROSSED = "\033[0;9;37m", RED_BACKGROUND = "\033[1;41m", NORMAL_FAINT = "\033[0;2m";
#define dbg(x) cerr << BRIGHT_CYAN << #x << COLOR_RESET << " = " << (x) << NORMAL_FAINT << " (L" << __LINE__ << ") " << __FILE__ << COLOR_RESET << endl
#define dbgif(cond, x) ((cond) ? cerr << BRIGHT_CYAN << #x << COLOR_RESET << " = " << (x) << NORMAL_FAINT << " (L" << __LINE__ << ") " << __FILE__ << COLOR_RESET << endl : cerr)
#else
#define dbg(x) (x)
#define dbgif(cond, x) 0
#endif

// https://gist.github.com/wata-orz/d3037bd0b919c76dd9ddc0379e1e3192
constexpr lint INF = 1LL << 60;

struct SSSP {
    int s;
    vector<lint> dist;
    vector<int> parent, depth;
};

SSSP sssp(const vector<vector<pint>> &g, int s) {
    vector<lint> dist(g.size(), INF);
    vector<int> depth(g.size()), parent(depth.size());
    priority_queue<plint, vector<plint>, greater<>> que;
    dist[s] = 0;
    depth[s] = 0;
    que.emplace(0, s);
    while (que.size()) {
        auto [d, u] = que.top();
        que.pop();
        if (dist[u] != d) {
            continue;
        }
        for (auto [v, l] : g[u]) {
            auto d2 = d + l;
            if (chmin(dist[v], d2)) {
                depth[v] = depth[u] + 1;
                parent[v] = u;
                que.emplace(d2, v);
            }
        }
    }
    return SSSP{s, dist, parent, depth};
}

// UnionFind Tree (0-indexed), based on size of each disjoint set
struct UnionFind {
    std::vector<int> par, cou;
    UnionFind(int N = 0) : par(N), cou(N, 1) { iota(par.begin(), par.end(), 0); }
    int find(int x) { return (par[x] == x) ? x : (par[x] = find(par[x])); }
    bool unite(int x, int y) {
        x = find(x), y = find(y);
        if (x == y) return false;
        if (cou[x] < cou[y]) std::swap(x, y);
        par[y] = x, cou[x] += cou[y];
        return true;
    }
    int count(int x) { return cou[find(x)]; }
    bool same(int x, int y) { return find(x) == find(y); }
};


vector<lint> sssup(const vector<vector<pint>> &g, const SSSP &sp, const vector<vector<int>> is_consistent) {
    vector<lint> dist(g.size(), INF);
    UnionFind uf(g.size());
    using P = tuple<lint, int, int>;
    priority_queue<P> que;
    REP(u, g.size()) {
        REP(i, g[u].size()) {
            auto [v, l] = g[u][i];
            if (u < v and !is_consistent[u][i]) {
                que.emplace(-(sp.dist[u] + sp.dist[v] + l), u, i);
            }
        }
    }
    while (que.size()) {
        dbg(que.size());
        auto [h, u0, i] = que.top();
        que.pop();
        h = -h;
        const int v0 = g[u0][i].first;
        int u = uf.find(u0), v = uf.find(v0);
        vector<int> bs;
        while (u != v) {
            if (sp.depth[u] > sp.depth[v]) {
                bs.push_back(u);
                u = uf.find(sp.parent[u]);
            } else {
                bs.push_back(v);
                v = uf.find(sp.parent[v]);
            }
        }
        for (auto x : bs) {
            uf.unite(u, x);
            dist[x] = h - sp.dist[x];
            REP(i, g[x].size()) {
                if (is_consistent[x][i]) {
                    const auto [y, l] = g[x][i];
                    que.emplace(-(dist[x] + sp.dist[y] + l), x, i);
                }
            }
        }
    }
    return dist;
}

// Weighted UnionFind
template <typename T> struct WeightedUnionFind {
    std::vector<int> par, sz;
    std::vector<T> pot;
    WeightedUnionFind(int N = 0) : par(N), sz(N, 1), pot(N) { std::iota(par.begin(), par.end(), 0); }
    int find(int x) {
        if (par[x] != x) {
            int r = find(par[x]);
            pot[x] = pot[x] ^ pot[par[x]], par[x] = r;
        }
        return par[x];
    }
    bool unite(int s, int t, T rel_diff) {
        // Relate s and t by t = s + rel_diff
        // Return false iff contradiction happens.
        rel_diff = rel_diff ^ weight(s) ^ weight(t);
        if ((s = find(s)) == (t = find(t))) return rel_diff == 0;
        if (sz[s] < sz[t]) std::swap(s, t);
        par[t] = s, sz[s] += sz[t], pot[t] = rel_diff;
        return true;
    }
    T weight(int x) {
        find(x);
        return pot[x];
    }
    T diff(int s, int t) { return weight(t) ^ weight(s); }
    int count(int x) { return sz[find(x)]; }
    bool same(int s, int t) { return find(s) == find(t); }
};

int main() {
    int N, M, K;
    cin >> N >> M >> K;
    vector<vector<pint>> to(N);
    vector<vector<tuple<int, int, int>>> to2(N);

    vector<tuple<int, int, int>> edges;
    REP(e, M) {
        int a, b, c;
        string x;
        cin >> a >> b >> c >> x;
        int m = 0;
        for (auto c : x) m = m * 2 + c - '0';
        a--, b--;
        to[a].emplace_back(b, c);
        to[b].emplace_back(a, c);
        to2[a].emplace_back(b, c, m);
        to2[b].emplace_back(a, c, m);
    }
    auto sp = sssp(to, N - 1);
    dbg(sp.dist);
    dbg(sp.depth);
    dbg(sp.parent);
    WeightedUnionFind<int> wuf(N);
    REP(i, N) {
        for (auto [j, w, g] : to2[i]) {
            if (sp.parent[j] == i and sp.dist[i] + w == sp.dist[j] and !wuf.same(i, j)) wuf.unite(i, j, g);
        }
    }
    dbg(wuf.count(N - 1));

    vector<vector<int>> is_consistent(N);
    REP(i, N) {
        for (auto [j, w, g] : to2[i]) {
            auto diff = wuf.diff(i, j);
            dbg((vector<int>{i, j, diff}));
            is_consistent[i].push_back(diff == g);
        }
    }
    dbg(to);
    dbg(to2);
    dbg(is_consistent);
    vector<lint> ret = sssup(to, sp, is_consistent);
    REP(i, N - 1) {
        lint x = ret[i];
        if (wuf.diff(N - 1, i)) chmin(x, sp.dist[i]);
        cout << (x == INF ? -1 : x) << '\n';
    }
}
0