結果
問題 | No.1153 ねこちゃんゲーム |
ユーザー | heno239 |
提出日時 | 2020-08-07 22:32:02 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,735 bytes |
コンパイル時間 | 1,462 ms |
コンパイル使用メモリ | 123,160 KB |
実行使用メモリ | 88,256 KB |
最終ジャッジ日時 | 2024-09-24 21:05:43 |
合計ジャッジ時間 | 17,878 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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 | 9 ms
25,584 KB |
testcase_01 | AC | 9 ms
25,208 KB |
testcase_02 | WA | - |
testcase_03 | AC | 10 ms
25,428 KB |
testcase_04 | AC | 10 ms
26,300 KB |
testcase_05 | AC | 10 ms
25,136 KB |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | AC | 280 ms
41,140 KB |
testcase_09 | WA | - |
testcase_10 | AC | 278 ms
41,340 KB |
testcase_11 | WA | - |
testcase_12 | AC | 267 ms
41,136 KB |
testcase_13 | AC | 279 ms
41,428 KB |
testcase_14 | WA | - |
testcase_15 | AC | 271 ms
41,440 KB |
testcase_16 | WA | - |
testcase_17 | AC | 278 ms
41,260 KB |
testcase_18 | AC | 277 ms
41,212 KB |
testcase_19 | WA | - |
testcase_20 | AC | 265 ms
40,644 KB |
testcase_21 | AC | 279 ms
40,508 KB |
testcase_22 | AC | 281 ms
41,480 KB |
testcase_23 | AC | 277 ms
41,184 KB |
testcase_24 | AC | 289 ms
40,828 KB |
testcase_25 | AC | 267 ms
40,808 KB |
testcase_26 | AC | 270 ms
40,752 KB |
testcase_27 | WA | - |
testcase_28 | AC | 360 ms
88,256 KB |
testcase_29 | WA | - |
testcase_30 | AC | 366 ms
83,668 KB |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | AC | 173 ms
38,832 KB |
testcase_34 | AC | 171 ms
38,840 KB |
testcase_35 | AC | 177 ms
38,820 KB |
testcase_36 | AC | 179 ms
37,812 KB |
testcase_37 | AC | 113 ms
37,876 KB |
testcase_38 | WA | - |
testcase_39 | AC | 106 ms
37,604 KB |
testcase_40 | AC | 110 ms
37,656 KB |
testcase_41 | WA | - |
ソースコード
#include<iostream> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<bitset> #include<stack> #include<unordered_map> #include<utility> #include<cassert> #include<complex> #include<numeric> using namespace std; //#define int long long typedef long long ll; typedef unsigned long long ul; typedef unsigned int ui; constexpr ll mod = 1000000007; const ll INF = mod * mod; typedef pair<int, int>P; #define stop char nyaa;cin>>nyaa; #define rep(i,n) for(int i=0;i<n;i++) #define per(i,n) for(int i=n-1;i>=0;i--) #define Rep(i,sta,n) for(int i=sta;i<n;i++) #define rep1(i,n) for(int i=1;i<=n;i++) #define per1(i,n) for(int i=n;i>=1;i--) #define Rep1(i,sta,n) for(int i=sta;i<=n;i++) #define all(v) (v).begin(),(v).end() typedef pair<ll, ll> LP; typedef long double ld; typedef pair<ld, ld> LDP; const ld eps = 1e-12; const ld pi = acos(-1.0); ll mod_pow(ll x, ll n, ll m) { ll res = 1; while (n) { if (n & 1)res = res * x % m; x = x * x % m; n >>= 1; } return res; } struct modint { ll n; modint() :n(0) { ; } modint(ll m) :n(m) { if (n >= mod)n %= mod; else if (n < 0)n = (n % mod + mod) % mod; } operator int() { return n; } }; bool operator==(modint a, modint b) { return a.n == b.n; } modint operator+=(modint& a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= mod; return a; } modint operator-=(modint& a, modint b) { a.n -= b.n; if (a.n < 0)a.n += mod; return a; } modint operator*=(modint& a, modint b) { a.n = ((ll)a.n * b.n) % mod; return a; } modint operator+(modint a, modint b) { return a += b; } modint operator-(modint a, modint b) { return a -= b; } modint operator*(modint a, modint b) { return a *= b; } modint operator^(modint a, ll n) { if (n == 0)return modint(1); modint res = (a * a) ^ (n / 2); if (n % 2)res = res * a; return res; } ll inv(ll a, ll p) { return (a == 1 ? 1 : (1 - p * inv(p % a, a)) / a + p); } modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); } const int max_n = 1 << 17; modint fact[max_n], factinv[max_n]; void init_f() { fact[0] = modint(1); for (int i = 0; i < max_n - 1; i++) { fact[i + 1] = fact[i] * modint(i + 1); } factinv[max_n - 1] = modint(1) / fact[max_n - 1]; for (int i = max_n - 2; i >= 0; i--) { factinv[i] = factinv[i + 1] * modint(i + 1); } } modint comb(int a, int b) { if (a < 0 || b < 0 || a < b)return 0; return fact[a] * factinv[b] * factinv[a - b]; } const int mn = 1 << 18; struct edge { int to; }; using Data = int; vector<edge> G[mn]; vector<int> ids[mn]; vector<Data> memo[mn]; int root; int mex(vector<int> v) { sort(all(v)); v.erase(unique(all(v)), v.end()); rep(i, v.size())if (i != v[i])return i; return v.size(); } int pars[mn]; Data dfs(int id, int fr) { pars[id] = fr; Data res; vector<int> v; // //initialize // for (edge e : G[id]) { if (e.to == fr)continue; Data nex = dfs(e.to, id); // //update with edge // v.push_back(nex); ids[id].push_back(e.to); memo[id].push_back(nex); } // //update for return res = mex(v); // return res; } int grandy[mn]; int pargrandy[mn]; void invdfs(int id, int fr, Data pre) { vector<Data> v; for (Data d : memo[id])v.push_back(d); if (fr >= 0)v.push_back(pre); int len = v.size(); // //calcurate id's ans grandy[id] = mex(v); // // Data init_c = 0; // vector<int> cnt(len + 1); rep(i, len) { if (v[i] <= len)cnt[v[i]]++; } int ag = 0; rep(i, len+1)if (cnt[i] == 0) { ag = i; break; } rep(i, ids[id].size()) { int to = ids[id][i]; int val = ag; if (v[i] <= len && cnt[v[i]] == 1) { val = min(val, v[i]); } // //update for return // pargrandy[to] = id; invdfs(to, id, val); } } void yaru() { dfs(root, -1); invdfs(root, -1, 0); } void solve() { int n; cin >> n; int m; cin >> m; vector<int> a(m); rep(i, m) { cin >> a[i]; a[i]--; } rep(i, n - 1) { int a, b; cin >> a >> b; a--; b--; G[a].push_back({ b }); G[b].push_back({ a }); } yaru(); int x = 0; int ma = -1; int chk = -1; rep(i, m) { x ^= grandy[a[i]]; if (ma < grandy[a[i]]) { ma = grandy[a[i]]; chk = i; } } if (x == 0) { cout << -1 << " " << -1 << "\n"; } else { int y = x ^ grandy[a[chk]]; if (pargrandy[a[chk]] == y) { cout << chk + 1 << " " << pars[a[chk]] + 1 << "\n"; } else { rep(j, ids[a[chk]].size()) { if (memo[a[chk]][j] == y) { cout << chk + 1 << " " << ids[a[chk]][j] + 1 << "\n"; return; } } } } } signed main() { ios::sync_with_stdio(false); cin.tie(0); //cout << fixed << setprecision(10); //init_f(); //expr(); //int t; cin >> t; rep(i, t) solve(); return 0; }