結果
| 問題 |
No.1602 With Animals into Institute 2
|
| コンテスト | |
| ユーザー |
 hitonanode
|
| 提出日時 | 2021-07-10 14:40:51 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
MLE
|
| 実行時間 | - |
| コード長 | 10,264 bytes |
| コンパイル時間 | 2,703 ms |
| コンパイル使用メモリ | 170,992 KB |
| 最終ジャッジ日時 | 2025-01-23 00:10:59 |
|
ジャッジサーバーID （参考情報） |
judge2 / judge2 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 29 MLE * 7 |
ソースコード
#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) {
REP(i, g.size()) assert(g[i].size() == is_consistent[i].size());
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()) {
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];
if (!uf.same(x, y)) 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, unsigned>>> to2(N);
vector<tuple<int, int, int>> edges;
REP(e, M) {
int a, b, c;
string x;
cin >> a >> b >> c >> x;
unsigned 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);
WeightedUnionFind<unsigned> 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);
}
}
vector<vector<int>> is_consistent(N);
REP(i, N) {
for (auto [j, w, g] : to2[i]) {
auto diff = wuf.diff(i, j);
is_consistent[i].push_back(diff == g);
}
}
to2.clear();
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';
}
}