#1158383 (C++23) No.3508 OR Mapping

• 問題: No.3508 OR Mapping
• ユーザー: 👑 sgfc
• 提出日時: 2026-04-17 23:16:51
• 言語: C++23 (gcc 15.2.0 + boost 1.89.0)
• 結果: WA
• 実行時間: -
• コード長: 5,254 bytes
• コンパイル時間: 8,545 ms
• コンパイル使用メモリ: 669,288 KB
• 実行使用メモリ: 166,224 KB
• 最終ジャッジ日時: 2026-04-17 23:17:33
• 合計ジャッジ時間: 20,495 ms
• ジャッジサーバーID （参考情報）: judge3_0 / judge1_1

ファイルパターン	結果
sample	AC * 2
other	AC * 63 WA * 2

ソースコード

#pragma GCC optimize("O3")

//import std;
#include "bits/stdc++.h"
#include <stdio.h>
#include "atcoder/all"
#include <boost/multiprecision/cpp_int.hpp>
using namespace boost::multiprecision;

using namespace std;
using namespace atcoder;

using ll = long long;
using ull = unsigned long long;
using mint = modint998244353;
using mint2 = modint1000000007;
const double eps = 1e-9;

#define OVERLOAD3(_1, _2, _3, call,...) call
#define REP1(i, n) for (ll i = 0; i < ll(n); ++i)
#define REP2(i, a, b) for (ll i = ll(a); i < ll(b); ++i)
#define REP(...) OVERLOAD3(__VA_ARGS__, REP2, REP1)(__VA_ARGS__)
#define RREP1(i, n) for (ll i = ll(n) - 1; i >= 0; --i)
#define RREP2(i, a, b) for (ll i = ll(a) - 1; i >= b; --i)
#define RREP(...) OVERLOAD3(__VA_ARGS__, RREP2, RREP1)(__VA_ARGS__)
#define REPE(i, c) for (auto&& i : c)
#define TCASE() ll _ttt; cin >> _ttt; while(_ttt--)

using vl = vector<ll>; using vvl = vector<vl>; using vvvl = vector<vvl>; using vb = vector<bool>;
using vd = vector<double>; using pl = pair<ll, ll>; using vpl = vector<pl>; using vvpl = vector<vpl>;

template<class T> void sc(T& x) { string s; if (cin >> s) from_chars(s.data(), s.data() + s.size(), x); }
template<> void sc(string& x) { cin >> x; }
template<class... T> void COMMON_IN(T&... a) { (sc(a), ...); }
#define LI(...) ll __VA_ARGS__; COMMON_IN(__VA_ARGS__);
#define SI(...) string __VA_ARGS__; COMMON_IN(__VA_ARGS__);
#define VLI(a, n) vector<ll> a(n); for(auto& x : a) sc(x);
#define DLI(a, n) deque<ll> a(n); for(auto& x : a) sc(x);
#define VSI(a, n) vector<string> a(n); for(auto& x : a) cin >> x;
#define VVLI(a, n, m) vector<vector<ll>> a(n, vector<ll>(m)); for(auto& x : a) for(auto& y : x) sc(y);
struct uv { ll u; ll v; }; struct uvc { ll u; ll v; ll c = 1; };
#define VUVI(a, n) vector<uv> a; a.assign(n, {0, 0}); for(auto& x : a) {sc(x.u); sc(x.v); x.u--; x.v--;}
#define VUVCI(a, n) vector<uvc> a; a.assign(n, {0, 0, 0}); for(auto& x : a) {sc(x.u); sc(x.v); sc(x.c); x.u--; x.v--;}

vvl to_edge(const ll n, const vector<uv>& v) { vvl ret(n); for (auto& x : v) ret[x.u].emplace_back(x.v); return ret; }
vvl to_edge_d(const ll n, const vector<uv>& v) { vvl ret(n); for (auto& x : v) { ret[x.u].emplace_back(x.v); ret[x.v].emplace_back(x.u); } return ret; }
vvpl to_edge(const ll n, const vector<uvc>& v) { vvpl ret(n); for (auto& x : v) { ret[x.u].emplace_back(x.v, x.c); } return ret; }
vvpl to_edge_d(const ll n, const vector<uvc>& v) { vvpl ret(n); for (auto& x : v) { ret[x.u].emplace_back(x.v, x.c); ret[x.v].emplace_back(x.u, x.c); } return ret; }

template <class T = long long> using pql = priority_queue<T>;
template <class T = long long> using pqg = priority_queue<T, vector<T>, greater<T>>;
using vm = vector<mint>; using vvm = vector<vm>;

template <class T> requires std::is_base_of_v<atcoder::internal::modint_base, T> ostream& operator<<(ostream& os, const T& v) { os << v.val(); return os; }
void yn(bool f) { std::cout << (f ? "Yes" : "No") << "\n"; };
template<class T> void ovn(const T& v) { for (auto it = v.begin(); it != v.end(); it++) { if (it != v.begin()) cout << " "; cout << *it; }  cout << "\n"; };

const ll llhuge = 1LL << 61; //十分でかいが多少足しても溢れない数値
auto gmax(const auto& a, const auto& b) { return a > b ? a : b; };
auto gmin(const auto& a, const auto& b) { return a < b ? a : b; };
bool chmin(auto& a, const auto& b) { const auto olda = a; a = gmin(a, b); return olda != a; }
bool chmax(auto& a, const auto& b) { const auto olda = a; a = gmax(a, b); return olda != a; }
void sort(auto& v) { std::ranges::sort(v); };
void rev(auto& v) { std::ranges::reverse(v); };
template<class T, class K = T::key_type, class V = T::mapped_type> [[nodiscard]] V myat(const T& mp, const K& key) { return mp.find(key) == mp.end() ? V() : mp.at(key); }
long long ceil(const long long a, const long long b) { return (a + b - 1) / b; }
template<class T, class U> pair<T, U> operator+(const pair<T, U>& a, const pair<T, U>& b) { return { a.first + b.first, a.second + b.second }; }

int main() {
	cin.tie(nullptr);
	ios::sync_with_stdio(false);

	LI(n, m, k);
	VUVI(uv, m);
	auto g = to_edge(n, uv);

	scc_graph scc(n);
	REP(i, n) for (auto& j : g[i]) scc.add_edge(i, j);

	auto scc_ids = scc.scc();

	bool ok = true;
	bool s1ok = false;
	vl check(n, -1);
	set<ll> stold;
	REP(i, ssize(scc_ids)) {
		if (!s1ok && ssize(scc_ids[i]) == 1) { ok = false; break; }
		if (s1ok && ssize(scc_ids[i]) == 1) { s1ok = false; continue; }

		set<ll> st;
		REPE(e, scc_ids[i]) st.insert(e);
		if (i == 0 && !st.contains(0)) { ok = false; break; }

		if (i > 0) {
			bool found = false;
			for (auto& x : stold) {
				REPE(e, g[x]) {
					if (st.contains(e)) {
						found = true;
						break;
					}
				}
				if (found) break;
			}
			if (!found) { ok = false; break; }
		}

		bool tok = false;
		queue<ll> q;
		q.push(scc_ids[i][0]);
		check[scc_ids[i][0]] = 0;
		while(!q.empty()) {
			auto v = q.front(); q.pop();
			for (auto& w : g[v]) {
				if (!st.contains(w)) continue;
				if (check[w] == -1) {
					check[w] = 1 - check[v];
					q.push(w);
				} else if (check[w] == check[v]) {
					tok = true;
					break;
				}
			}
			if (tok) break;
		}
		if (!tok) { ok = false; break; }

		stold = std::move(st);
	}

	yn(ok);
}