結果
| 問題 |
No.3222 Let the World Forget Me
|
| ユーザー |
 yamada
|
| 提出日時 | 2025-08-01 22:50:49 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 77 ms / 2,000 ms |
| コード長 | 19,595 bytes |
| コンパイル時間 | 3,674 ms |
| コンパイル使用メモリ | 343,908 KB |
| 実行使用メモリ | 12,292 KB |
| 最終ジャッジ日時 | 2025-08-01 22:50:56 |
| 合計ジャッジ時間 | 6,820 ms |
|
ジャッジサーバーID （参考情報） |
judge5 / judge1 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 31 |
ソースコード
// Begin include: "../../template/template.hpp"
using namespace std;
// intrinstic
#include <immintrin.h>
#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <cctype>
#include <cfenv>
#include <cfloat>
#include <chrono>
#include <cinttypes>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdarg>
#include <cstddef>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <deque>
#include <fstream>
#include <functional>
#include <initializer_list>
#include <iomanip>
#include <ios>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <streambuf>
#include <string>
#include <tuple>
#include <type_traits>
#include <typeinfo>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
// utility
// Begin include: "util.hpp"
namespace yamada {
using ll = long long;
using i64 = long long;
using u64 = unsigned long long;
using i128 = __int128_t;
using u128 = __uint128_t;
using lld = long double;
template <typename T>
using V = vector<T>;
template <typename T>
using VV = vector<vector<T>>;
template <typename T>
using VVV = vector<vector<vector<T>>>;
template <typename T>
using VVVV = vector<vector<vector<vector<T>>>>;
using vi = vector<int>;
using vl = vector<long long>;
using vd = V<double>;
using vs = V<string>;
using vvi = vector<vector<int>>;
using vvl = vector<vector<long long>>;
using vvvl = vector<vector<vector<long long>>>;
using vvvvl = vector<vector<vector<vector<long long>>>>;
template <typename T>
using minpq = priority_queue<T, vector<T>, greater<T>>;
template <typename T>
using maxpq = priority_queue<T, vector<T>, less<T>>;
template <typename T, typename U>
struct P : pair<T, U> {
template <typename... Args>
P(Args... args) : pair<T, U>(args...) {}
using pair<T, U>::first;
using pair<T, U>::second;
P &operator+=(const P &r) {
first += r.first;
second += r.second;
return *this;
}
P &operator-=(const P &r) {
first -= r.first;
second -= r.second;
return *this;
}
P &operator*=(const P &r) {
first *= r.first;
second *= r.second;
return *this;
}
template <typename S>
P &operator*=(const S &r) {
first *= r, second *= r;
return *this;
}
P operator+(const P &r) const { return P(*this) += r; }
P operator-(const P &r) const { return P(*this) -= r; }
P operator*(const P &r) const { return P(*this) *= r; }
template <typename S>
P operator*(const S &r) const {
return P(*this) *= r;
}
P operator-() const { return P{-first, -second}; }
};
using pl = P<ll, ll>;
using pi = P<int, int>;
using vp = V<pl>;
using vvp = VV<pl>;
constexpr int inf = 1001001001;
constexpr long long infLL = 4004004004004004004LL;
template <typename T, typename U>
inline bool amin(T &x, U y) {
return (y < x) ? (x = y, true) : false;
}
template <typename T, typename U>
inline bool amax(T &x, U y) {
return (x < y) ? (x = y, true) : false;
}
template <typename T>
inline T Max(const vector<T> &v) {
return *max_element(begin(v), end(v));
}
template <typename T>
inline T Min(const vector<T> &v) {
return *min_element(begin(v), end(v));
}
template <typename T>
inline long long Sum(const vector<T> &v) {
return accumulate(begin(v), end(v), T(0));
}
template <typename T>
int lb(const vector<T> &v, const T &a) {
return lower_bound(begin(v), end(v), a) - begin(v);
}
template <typename T>
int ub(const vector<T> &v, const T &a) {
return upper_bound(begin(v), end(v), a) - begin(v);
}
constexpr long long TEN(int n) {
long long ret = 1, x = 10;
for (; n; x *= x, n >>= 1) ret *= (n & 1 ? x : 1);
return ret;
}
template <typename T, typename U>
pair<T, U> mkp(const T &t, const U &u) {
return make_pair(t, u);
}
template <typename T>
vector<T> mkrui(const vector<T> &v, bool rev = false) {
vector<T> ret(v.size() + 1);
if (rev) {
for (int i = int(v.size()) - 1; i >= 0; i--) ret[i] = v[i] + ret[i + 1];
} else {
for (int i = 0; i < int(v.size()); i++) ret[i + 1] = ret[i] + v[i];
}
return ret;
};
template <typename T>
vector<T> mkuni(const vector<T> &v) {
vector<T> ret(v);
sort(ret.begin(), ret.end());
ret.erase(unique(ret.begin(), ret.end()), ret.end());
return ret;
}
template <typename F>
vector<int> mkord(int N, F f) {
vector<int> ord(N);
iota(begin(ord), end(ord), 0);
sort(begin(ord), end(ord), f);
return ord;
}
template <typename T>
vector<int> mkinv(vector<T> &v) {
int max_val = *max_element(begin(v), end(v));
vector<int> inv(max_val + 1, -1);
for (int i = 0; i < (int)v.size(); i++) inv[v[i]] = i;
return inv;
}
vector<int> mkiota(int n) {
vector<int> ret(n);
iota(begin(ret), end(ret), 0);
return ret;
}
template <typename T>
T mkrev(const T &v) {
T w{v};
reverse(begin(w), end(w));
return w;
}
template <typename T>
bool nxp(T &v) {
return next_permutation(begin(v), end(v));
}
// 返り値の型は入力の T に依存
// i 要素目 : [0, a[i])
template <typename T>
vector<vector<T>> product(const vector<T> &a) {
vector<vector<T>> ret;
vector<T> v;
auto dfs = [&](auto rc, int i) -> void {
if (i == (int)a.size()) {
ret.push_back(v);
return;
}
for (int j = 0; j < a[i]; j++) v.push_back(j), rc(rc, i + 1), v.pop_back();
};
dfs(dfs, 0);
return ret;
}
template <typename T, typename U>
vector<U> Digit(T a, const U &x) {
vector<U> ret;
while (a > 0) {
ret.emplace_back(a % x);
a /= x;
}
return ret;
}
// F : function(void(T&)), mod を取る操作
// T : 整数型のときはオーバーフローに注意する
template <typename T>
T Power(T a, long long n, const T &I, const function<void(T &)> &f) {
T res = I;
for (; n; f(a = a * a), n >>= 1) {
if (n & 1) f(res = res * a);
}
return res;
}
// T : 整数型のときはオーバーフローに注意する
template <typename T>
T Power(T a, long long n, const T &I = T{1}) {
return Power(a, n, I, function<void(T &)>{[](T &) -> void {}});
}
template <typename T>
T Rev(const T &v) {
T res = v;
reverse(begin(res), end(res));
return res;
}
template <typename T>
vector<T> Transpose(const vector<T> &v) {
using U = typename T::value_type;
if(v.empty()) return {};
int H = v.size(), W = v[0].size();
vector res(W, T(H, U{}));
for (int i = 0; i < H; i++) {
for (int j = 0; j < W; j++) {
res[j][i] = v[i][j];
}
}
return res;
}
template <typename T>
vector<T> Rotate(const vector<T> &v, int clockwise = true) {
using U = typename T::value_type;
int H = v.size(), W = v[0].size();
vector res(W, T(H, U{}));
for (int i = 0; i < H; i++) {
for (int j = 0; j < W; j++) {
if (clockwise) {
res[W - 1 - j][i] = v[i][j];
} else {
res[j][H - 1 - i] = v[i][j];
}
}
}
return res;
}
template <typename T, typename F>
T bisect(T ok, T bad, F pred) {
if (ok == bad) return ok;
if (!pred(ok)) return ok;
while (bad - ok > 1) { T mid = ok + (bad - ok) / 2; (pred(mid) ? ok : bad) = mid; }
return bad;
}
template <typename T, typename F>
T bisect_double(T ok, T bad, F pred, int iter = 100) {
if (ok == bad) return ok;
if (!pred(ok)) return ok;
for (int i = 0; i < iter; i++){
T mid = ok + (bad - ok) / 2; (pred(mid) ? ok : bad) = mid;
}
return bad;
}
template <typename T>
bool inLR(T L, T x, T R){ return (L <= x && x < R); }
bool YESNO(bool b) { cout << (b ? "YES\n" : "NO\n"); return b; }
bool YesNo(bool b) { cout << (b ? "Yes\n" : "No\n"); return b; }
template <typename mint>
void mout(mint a, int M = 100) {
if (a == 0) { cout << 0 << "\n"; return; }
for (int i = 0; i <= M; i++) for (int j = 1; j <= M; j++) {
mint val = (mint)i / j;
if (val == a) {
if (j == 1) cout << i << "\n";
else cout << i << "/" << j << "\n";
return;
}
else if (val == -a) {
if (j == 1) cout << -i << "\n";
else cout << -i << "/" << j << "\n";
return;
}
}
cout << "NF\n";
}
template <typename mint>
void mout(std::vector<mint> A, int M = 100) {
int N = A.size();
for (int pos = 0; pos < N; pos++) {
if (A[pos] == 0) { cout << 0 << (pos == N - 1 ? "\n" : " "); continue; }
bool fn = false;
for (int i = 0; i <= M; i++) {
for (int j = 1; j <= M; j++) {
mint val = (mint)i / j;
if (val == A[pos]) {
if (j == 1) cout << i << (pos == N - 1 ? "\n" : " ");
else cout << i << "/" << j << (pos == N - 1 ? "\n" : " ");
fn = true;
break;
}
else if (val == -A[pos]) {
if (j == 1) cout << -i << (pos == N - 1 ? "\n" : " ");
else cout << -i << "/" << j << (pos == N - 1 ? "\n" : " ");
fn = true;
break;
}
}
if (fn) break;
}
if (!fn) cout << "NF" << (pos == N - 1 ? "\n" : " ");
}
}
} // namespace yamada
// End include: "util.hpp"
// bit operation
// Begin include: "bitop.hpp"
namespace yamada {
__attribute__((target("popcnt"))) inline int popcnt(const u64 &a) {
return __builtin_popcountll(a);
}
inline int lsb(const u64 &a) { return a ? __builtin_ctzll(a) : 64; }
inline int ctz(const u64 &a) { return a ? __builtin_ctzll(a) : 64; }
inline int msb(const u64 &a) { return a ? 63 - __builtin_clzll(a) : -1; }
template <typename T>
inline int gbit(const T &a, int i) {
return (a >> i) & 1;
}
template <typename T>
inline void sbit(T &a, int i, bool b) {
if (gbit(a, i) != b) a ^= T(1) << i;
}
constexpr long long PW(int n) { return 1LL << n; }
constexpr long long MSK(int n) { return (1LL << n) - 1; }
} // namespace yamada
// End include: "bitop.hpp"
// inout
// Begin include: "inout.hpp"
namespace yamada {
template <typename T, typename U>
ostream &operator<<(ostream &os, const pair<T, U> &p) {
os << p.first << " " << p.second;
return os;
}
template <typename T, typename U>
istream &operator>>(istream &is, pair<T, U> &p) {
is >> p.first >> p.second;
return is;
}
template <typename T>
ostream &operator<<(ostream &os, const vector<T> &v) {
int s = (int)v.size();
for (int i = 0; i < s; i++) os << (i ? " " : "") << v[i];
return os;
}
template <typename T>
istream &operator>>(istream &is, vector<T> &v) {
for (auto &x : v) is >> x;
return is;
}
istream &operator>>(istream &is, __int128_t &x) {
string S;
is >> S;
x = 0;
int flag = 0;
for (auto &c : S) {
if (c == '-') {
flag = true;
continue;
}
x *= 10;
x += c - '0';
}
if (flag) x = -x;
return is;
}
istream &operator>>(istream &is, __uint128_t &x) {
string S;
is >> S;
x = 0;
for (auto &c : S) {
x *= 10;
x += c - '0';
}
return is;
}
ostream &operator<<(ostream &os, __int128_t x) {
if (x == 0) return os << 0;
if (x < 0) os << '-', x = -x;
string S;
while (x) S.push_back('0' + x % 10), x /= 10;
reverse(begin(S), end(S));
return os << S;
}
ostream &operator<<(ostream &os, __uint128_t x) {
if (x == 0) return os << 0;
string S;
while (x) S.push_back('0' + x % 10), x /= 10;
reverse(begin(S), end(S));
return os << S;
}
void in() {}
template <typename T, class... U>
void in(T &t, U &...u) {
cin >> t;
in(u...);
}
void out() { cout << "\n"; }
template <typename T, class... U, char sep = ' '>
void out(const T &t, const U &...u) {
cout << t;
if (sizeof...(u)) cout << sep;
out(u...);
}
struct IoSetupYamada {
IoSetupYamada() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
cout << fixed << setprecision(15);
cerr << fixed << setprecision(7);
}
} iosetupyamada;
} // namespace yamada
// End include: "inout.hpp"
// macro
// Begin include: "macro.hpp"
#define each(x, v) for (auto&& x : v)
#define each2(x, y, v) for (auto&& [x, y] : v)
#define each3(x, y, z, v) for (auto&& [x, y, z] : v)
#define all(v) (v).begin(), (v).end()
#define rep1(a) for (long long _ = 0; _ < (long long)(a); ++_)
#define rep2(i, a) for (long long i = 0; i < (long long)(a); ++i)
#define rep3(i, a, b) for (long long i = a; i < (long long)(b); ++i)
#define rep4(i, a, b, c) for (long long i = a; i < (long long)(b); i += c)
#define overload4(a, b, c, d, e, ...) e
#define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__)
#define rep1r(a) for (long long i = (long long)(a)-1; i >= 0LL; --i)
#define rep2r(i, a) for (long long i = (long long)(a)-1; i >= 0LL; --i)
#define rep3r(i, a, b) for (long long i = (long long)(b)-1; i >= (long long)(a); --i)
#define overload3(a, b, c, d, ...) d
#define repr(...) overload3(__VA_ARGS__, rep3r, rep2r, rep1r)(__VA_ARGS__)
#define eb emplace_back
#define mkp make_pair
#define mkt make_tuple
#define fi first
#define se second
#define vv(type, name, h, ...) \
vector<vector<type> > name(h, vector<type>(__VA_ARGS__))
#define vvv(type, name, h, w, ...) \
vector<vector<vector<type>>> name( \
h, vector<vector<type>>(w, vector<type>(__VA_ARGS__)))
#define vvvv(type, name, a, b, c, ...) \
vector<vector<vector<vector<type>>>> name( \
a, vector<vector<vector<type>>>( \
b, vector<vector<type>>(c, vector<type>(__VA_ARGS__))))
#define ini(...) \
int __VA_ARGS__; \
in(__VA_ARGS__)
#define inl(...) \
long long __VA_ARGS__; \
in(__VA_ARGS__)
#define ins(...) \
string __VA_ARGS__; \
in(__VA_ARGS__)
#define in2(s, t) \
for (int i = 0; i < (int)s.size(); i++) { \
in(s[i], t[i]); \
}
#define in3(s, t, u) \
for (int i = 0; i < (int)s.size(); i++) { \
in(s[i], t[i], u[i]); \
}
#define in4(s, t, u, v) \
for (int i = 0; i < (int)s.size(); i++) { \
in(s[i], t[i], u[i], v[i]); \
}
#define die(...) \
do { \
yamada::out(__VA_ARGS__);\
return; \
} while (0)
// End include: "macro.hpp"
namespace yamada {
void solve();
}
int main() { yamada::solve(); }
// End include: "../../template/template.hpp"
// Begin include: "../../tree/tree-query.hpp"
// Begin include: "../graph/graph-template.hpp"
template <typename T>
struct edge {
int src, to;
T cost;
edge(int _to, T _cost) : src(-1), to(_to), cost(_cost) {}
edge(int _src, int _to, T _cost) : src(_src), to(_to), cost(_cost) {}
edge &operator=(const int &x) {
to = x;
return *this;
}
operator int() const { return to; }
};
template <typename T>
using Edges = vector<edge<T>>;
template <typename T>
using WeightedGraph = vector<Edges<T>>;
using UnweightedGraph = vector<vector<int>>;
// Input of (Unweighted) Graph
UnweightedGraph graph(int N, int M = -1, bool is_directed = false,
bool is_1origin = true) {
UnweightedGraph g(N);
if (M == -1) M = N - 1;
for (int _ = 0; _ < M; _++) {
int x, y;
cin >> x >> y;
if (is_1origin) x--, y--;
g[x].push_back(y);
if (!is_directed) g[y].push_back(x);
}
return g;
}
// Input of Weighted Graph
template <typename T>
WeightedGraph<T> wgraph(int N, int M = -1, bool is_directed = false,
bool is_1origin = true) {
WeightedGraph<T> g(N);
if (M == -1) M = N - 1;
for (int _ = 0; _ < M; _++) {
int x, y;
cin >> x >> y;
T c;
cin >> c;
if (is_1origin) x--, y--;
g[x].emplace_back(x, y, c);
if (!is_directed) g[y].emplace_back(y, x, c);
}
return g;
}
// Input of Edges
template <typename T>
Edges<T> esgraph([[maybe_unused]] int N, int M, int is_weighted = true,
bool is_1origin = true) {
Edges<T> es;
for (int _ = 0; _ < M; _++) {
int x, y;
cin >> x >> y;
T c;
if (is_weighted)
cin >> c;
else
c = 1;
if (is_1origin) x--, y--;
es.emplace_back(x, y, c);
}
return es;
}
// Input of Adjacency Matrix
template <typename T>
vector<vector<T>> adjgraph(int N, int M, T INF, int is_weighted = true,
bool is_directed = false, bool is_1origin = true) {
vector<vector<T>> d(N, vector<T>(N, INF));
for (int _ = 0; _ < M; _++) {
int x, y;
cin >> x >> y;
T c;
if (is_weighted)
cin >> c;
else
c = 1;
if (is_1origin) x--, y--;
d[x][y] = c;
if (!is_directed) d[y][x] = c;
}
return d;
}
/**
* @brief グラフテンプレート
* @docs docs/graph/graph-template.md
*/
// End include: "../graph/graph-template.hpp"
template <typename G>
struct Tree {
private:
G& g;
int root;
vector<array<int, 24>> bl;
vector<int> dp;
vector<int> sz;
void build() {
bl.resize(g.size());
dp.resize(g.size());
sz.resize(g.size());
for (auto& v : bl) fill(begin(v), end(v), -1);
dfs(root, -1, 0);
}
void dfs(int c, int p, int _dp) {
dp[c] = _dp;
sz[c] = 1;
for (int i = p, x = 0; i != -1;) {
bl[c][x] = i;
i = bl[i][x], x++;
}
for (auto& d : g[c]) {
if (d == p) continue;
dfs(d, c, _dp + 1);
sz[c] += sz[d];
}
}
public:
Tree(G& _g, int _r = 0) : g(_g), root(_r) { build(); }
int depth(int u) const { return dp[u]; }
int size(int u) const {return sz[u]; }
int par(int u) const { return u == root ? -1 : bl[u][0]; }
int kth_ancestor(int u, int k) const {
if (dp[u] < k) return -1;
while (k) {
int t = __builtin_ctz(k);
u = bl[u][t], k ^= 1 << t;
}
return u;
}
int nxt(int s, int t) const {
if (dp[s] >= dp[t]) return par(s);
int u = kth_ancestor(t, dp[t] - dp[s] - 1);
return bl[u][0] == s ? u : bl[s][0];
}
vector<int> path(int s, int t) const {
vector<int> pre, suf;
while (dp[s] > dp[t]) {
pre.push_back(s);
s = bl[s][0];
}
while (dp[s] < dp[t]) {
suf.push_back(t);
t = bl[t][0];
}
while (s != t) {
pre.push_back(s);
suf.push_back(t);
s = bl[s][0];
t = bl[t][0];
}
pre.push_back(s);
reverse(begin(suf), end(suf));
copy(begin(suf), end(suf), back_inserter(pre));
return pre;
}
int lca(int u, int v) {
if (dp[u] != dp[v]) {
if (dp[u] > dp[v]) swap(u, v);
v = kth_ancestor(v, dp[v] - dp[u]);
}
if (u == v) return u;
for (int i = __lg(dp[u]); i >= 0; --i) {
if (dp[u] < (1 << i)) continue;
if (bl[u][i] != bl[v][i]) u = bl[u][i], v = bl[v][i];
}
return bl[u][0];
}
// u - v 間のパス上の頂点のうち u から距離 i の頂点
// (dist(u, v) < i のとき -1)
int jump(int u, int v, int i) {
int lc = lca(u, v);
int d1 = dp[u] - dp[lc];
if (i <= d1) return kth_ancestor(u, i);
int d = d1 + dp[v] - dp[lc];
if (i <= d) return kth_ancestor(v, d - i);
return -1;
}
int len(int u, int v) { return depth(u) + depth(v) - depth(lca(u, v)) * 2; }
};
/**
* @brief 木に対する一般的なクエリ
* @docs docs/tree/tree-query.md
*/
// End include: "../../tree/tree-query.hpp"
// Begin include: "../../shortest-path/bfs.hpp"
vector<int> bfs(vector<vector<int>>& g, vector<int> st) {
vector<int> d(g.size(), -1);
queue<int> Q;
for (auto&& s : st) {
d[s] = 0;
Q.push(s);
}
while (!Q.empty()) {
int cur = Q.front();
Q.pop();
int cd = d[cur];
for (auto&& dst : g[cur]) {
if (d[dst] == -1) {
d[dst] = cd + 1;
Q.push(dst);
}
}
}
return d;
}
vector<int> bfs(vector<vector<int>>& g, int st = 0) {
vector<int> s;
s.emplace_back(st);
return bfs(g, s);
}
// End include: "../../shortest-path/bfs.hpp"
// Begin include: "../../graph/graph-template.hpp"
// End include: "../../graph/graph-template.hpp"
void yamada::solve()
{
inl(N,M);
vl P(N); in(P);
UnweightedGraph g=graph(N);
vi C(M); in(C); each(c,C)--c;
auto D=bfs(g,C);
/* return; */
ll root=0;
while(g[root].size()==1)++root;
vl cnt(N);
rep(i,N)cnt[i]=(i==root? g[i].size(): g[i].size()-1);
/* return; */
maxpq<pl>q;
rep(i,N)if(cnt[i]==0)q.push(mkp(P[i],i));
/* return; */
/* Tree T(g,root); */
/* return; */
ll ans=0;
rep(t,N){
while(!q.empty()){
auto[p,i]=q.top();
if(D[i]<=t)q.pop();
else break;
}
if(q.empty())break;
auto[p,i]=q.top(); q.pop();
ans+=p;
each(to,g[i])if(cnt[to]>=1){
if(--cnt[to]==0)q.push(mkp(P[to],to));
}
}
out(ans);
}