結果
問題 | No.2726 Rooted Tree Nim |
ユーザー |
|
提出日時 | 2024-04-12 23:00:53 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 230 ms / 2,000 ms |
コード長 | 3,322 bytes |
コンパイル時間 | 2,270 ms |
コンパイル使用メモリ | 201,252 KB |
最終ジャッジ日時 | 2025-02-21 00:43:54 |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 13 |
ソースコード
#include <bits/stdc++.h>using namespace std;#define SZ(x) (int) (x).size()#define REP(i, n) for(int i = 0; i < (n); i++)#define FOR(i, a, b) for(auto i = (a); i < (b); i++)#define For(i, a, b, c) \for(auto i = (a); i != (b); i += (c))#define REPR(i, n) for(auto i = (n) -1; i >= 0; i--)#define ALL(s) (s).begin(), (s).end()#define so(V) sort(ALL(V))#define rev(V) reverse(ALL(V))#define uni(v) v.erase(unique(ALL(v)), (v).end())#define eb emplace_backtypedef unsigned long long ull;typedef long long ll;typedef vector<int> vi;typedef vector<ll> vll;typedef vector<bool> vb;typedef vector<vi> vvi;typedef vector<vll> vvll;typedef pair<int, int> PI;typedef pair<ll, ll> PL;const double EPS = 1e-6;const int MOD = 1e9 + 7;const int INF = (1 << 30);const ll LINF = 1e18;const double math_PI = acos(-1);template<typename T>vector<T> make_v(size_t a) {return vector<T>(a);}template<typename T, typename... Ts>auto make_v(size_t a, Ts... ts) {return vector<decltype(make_v<T>(ts...))>(a, make_v<T>(ts...));}template<typename T, typename V>typename enable_if<is_class<T>::value == 0>::type fill_v(T& t, const V& v) {t = v;}template<typename T, typename V>typename enable_if<is_class<T>::value != 0>::type fill_v(T& t, const V& v) {for(auto& e: t) fill_v(e, v);}template<class T>bool chmax(T& a, const T& b) {if(a < b) {a = b;return true;}return false;}template<class T>bool chmin(T& a, const T& b) {if(a > b) {a = b;return true;}return false;}template<typename S, typename T>istream& operator>>(istream& is, pair<S, T>& p) {cin >> p.first >> p.second;return is;}template<typename T>istream& operator>>(istream& is, vector<T>& vec) {for(T& x: vec) is >> x;return is;}template<typename T>string join(vector<T>& vec, string splitter) {stringstream ss;REP(i, SZ(vec)) {if(i != 0) ss << splitter;ss << vec[i];}return ss.str();}template<typename T>ostream& operator<<(ostream& os, vector<T>& vec) {os << join(vec, " ");return os;}#ifdef LOCAL#include "./cpp-dump/dump.hpp"#include "./cpp-dump/mytypes.hpp"#define dump(...) cpp_dump(__VA_ARGS__)namespace cp = cpp_dump;#else#define dump(...)#define preprocess(...)#define CPP_DUMP_SET_OPTION(...)#define CPP_DUMP_DEFINE_EXPORT_OBJECT(...)#define CPP_DUMP_DEFINE_EXPORT_ENUM(...)#define CPP_DUMP_DEFINE_DANGEROUS_EXPORT_OBJECT(...)#endiftemplate<class T = ll>struct Edge {public:int from, to;T cost;Edge() {}Edge(int _from, int _to, T _cost) {from = _from;to = _to;cost = _cost;}};template<class T = ll>using Edges = vector<Edge<T>>;template<class T = ll>using Graph = vector<Edges<T>>;void solve() {int N, K;cin >> N >> K;Graph<ll> G(N);REP(i, N - 1) {int X, Y;cin >> X >> Y;X--;Y--;G[X].eb(X, Y, 1);G[Y].eb(Y, X, 1);}vi A(N);cin >> A;ll X = 0;auto dfs = [&](auto f, int c = 0, int p = -1,int d = 0) -> void {if(d % 2 == 1) {X ^= A[c] % (K + 1);}for(auto e: G[c]) {if(e.to == p) continue;f(f, e.to, c, d + 1);}};dfs(dfs);if(X == 0) {cout << "P" << endl;} else {cout << "K" << endl;}}int main() {cin.tie(nullptr);ios::sync_with_stdio(false);preprocess();int T;cin >> T;while(T--) {solve();}return 0;}