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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#103714 | #6400. Game: Celeste | maspy | WA | 308ms | 628772kb | C++20 | 24.0kb | 2023-05-07 12:58:10 | 2023-05-07 12:58:13 |
Judging History
answer
#line 1 "library/my_template.hpp"
#if defined(LOCAL)
#include <my_template_compiled.hpp>
#else
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using u32 = unsigned int;
using u64 = unsigned long long;
using i128 = __int128;
template <class T>
constexpr T infty = 0;
template <>
constexpr int infty<int> = 1'000'000'000;
template <>
constexpr ll infty<ll> = ll(infty<int>) * infty<int> * 2;
template <>
constexpr u32 infty<u32> = infty<int>;
template <>
constexpr u64 infty<u64> = infty<ll>;
template <>
constexpr i128 infty<i128> = i128(infty<ll>) * infty<ll>;
template <>
constexpr double infty<double> = infty<ll>;
template <>
constexpr long double infty<long double> = infty<ll>;
using pi = pair<ll, ll>;
using vi = vector<ll>;
template <class T>
using vc = vector<T>;
template <class T>
using vvc = vector<vc<T>>;
template <class T>
using vvvc = vector<vvc<T>>;
template <class T>
using vvvvc = vector<vvvc<T>>;
template <class T>
using vvvvvc = vector<vvvvc<T>>;
template <class T>
using pq = priority_queue<T>;
template <class T>
using pqg = priority_queue<T, vector<T>, greater<T>>;
#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__))))
// https://trap.jp/post/1224/
#define FOR1(a) for (ll _ = 0; _ < ll(a); ++_)
#define FOR2(i, a) for (ll i = 0; i < ll(a); ++i)
#define FOR3(i, a, b) for (ll i = a; i < ll(b); ++i)
#define FOR4(i, a, b, c) for (ll i = a; i < ll(b); i += (c))
#define FOR1_R(a) for (ll i = (a)-1; i >= ll(0); --i)
#define FOR2_R(i, a) for (ll i = (a)-1; i >= ll(0); --i)
#define FOR3_R(i, a, b) for (ll i = (b)-1; i >= ll(a); --i)
#define overload4(a, b, c, d, e, ...) e
#define overload3(a, b, c, d, ...) d
#define FOR(...) overload4(__VA_ARGS__, FOR4, FOR3, FOR2, FOR1)(__VA_ARGS__)
#define FOR_R(...) overload3(__VA_ARGS__, FOR3_R, FOR2_R, FOR1_R)(__VA_ARGS__)
#define FOR_subset(t, s) \
for (ll t = (s); t >= 0; t = (t == 0 ? -1 : (t - 1) & (s)))
#define all(x) x.begin(), x.end()
#define len(x) ll(x.size())
#define elif else if
#define eb emplace_back
#define mp make_pair
#define mt make_tuple
#define fi first
#define se second
#define stoi stoll
int popcnt(int x) { return __builtin_popcount(x); }
int popcnt(u32 x) { return __builtin_popcount(x); }
int popcnt(ll x) { return __builtin_popcountll(x); }
int popcnt(u64 x) { return __builtin_popcountll(x); }
// (0, 1, 2, 3, 4) -> (-1, 0, 1, 1, 2)
int topbit(int x) { return (x == 0 ? -1 : 31 - __builtin_clz(x)); }
int topbit(u32 x) { return (x == 0 ? -1 : 31 - __builtin_clz(x)); }
int topbit(ll x) { return (x == 0 ? -1 : 63 - __builtin_clzll(x)); }
int topbit(u64 x) { return (x == 0 ? -1 : 63 - __builtin_clzll(x)); }
// (0, 1, 2, 3, 4) -> (-1, 0, 1, 0, 2)
int lowbit(int x) { return (x == 0 ? -1 : __builtin_ctz(x)); }
int lowbit(u32 x) { return (x == 0 ? -1 : __builtin_ctz(x)); }
int lowbit(ll x) { return (x == 0 ? -1 : __builtin_ctzll(x)); }
int lowbit(u64 x) { return (x == 0 ? -1 : __builtin_ctzll(x)); }
template <typename T, typename U>
T ceil(T x, U y) {
return (x > 0 ? (x + y - 1) / y : x / y);
}
template <typename T, typename U>
T floor(T x, U y) {
return (x > 0 ? x / y : (x - y + 1) / y);
}
template <typename T, typename U>
pair<T, T> divmod(T x, U y) {
T q = floor(x, y);
return {q, x - q * y};
}
template <typename T, typename U>
T SUM(const vector<U> &A) {
T sum = 0;
for (auto &&a: A) sum += a;
return sum;
}
#define MIN(v) *min_element(all(v))
#define MAX(v) *max_element(all(v))
#define LB(c, x) distance((c).begin(), lower_bound(all(c), (x)))
#define UB(c, x) distance((c).begin(), upper_bound(all(c), (x)))
#define UNIQUE(x) \
sort(all(x)), x.erase(unique(all(x)), x.end()), x.shrink_to_fit()
template <typename T>
T POP(deque<T> &que) {
T a = que.front();
que.pop_front();
return a;
}
template <typename T>
T POP(pq<T> &que) {
T a = que.top();
que.pop();
return a;
}
template <typename T>
T POP(pqg<T> &que) {
assert(!que.empty());
T a = que.top();
que.pop();
return a;
}
template <typename T>
T POP(vc<T> &que) {
assert(!que.empty());
T a = que.back();
que.pop_back();
return a;
}
template <typename F>
ll binary_search(F check, ll ok, ll ng, bool check_ok = true) {
if (check_ok) assert(check(ok));
while (abs(ok - ng) > 1) {
auto x = (ng + ok) / 2;
tie(ok, ng) = (check(x) ? mp(x, ng) : mp(ok, x));
}
return ok;
}
template <typename F>
double binary_search_real(F check, double ok, double ng, int iter = 100) {
FOR(iter) {
double x = (ok + ng) / 2;
tie(ok, ng) = (check(x) ? mp(x, ng) : mp(ok, x));
}
return (ok + ng) / 2;
}
template <class T, class S>
inline bool chmax(T &a, const S &b) {
return (a < b ? a = b, 1 : 0);
}
template <class T, class S>
inline bool chmin(T &a, const S &b) {
return (a > b ? a = b, 1 : 0);
}
// ? は -1
vc<int> s_to_vi(const string &S, char first_char) {
vc<int> A(S.size());
FOR(i, S.size()) { A[i] = (S[i] != '?' ? S[i] - first_char : -1); }
return A;
}
template <typename T, typename U>
vector<T> cumsum(vector<U> &A, int off = 1) {
int N = A.size();
vector<T> B(N + 1);
FOR(i, N) { B[i + 1] = B[i] + A[i]; }
if (off == 0) B.erase(B.begin());
return B;
}
// stable sort
template <typename T>
vector<int> argsort(const vector<T> &A) {
vector<int> ids(len(A));
iota(all(ids), 0);
sort(all(ids),
[&](int i, int j) { return (A[i] == A[j] ? i < j : A[i] < A[j]); });
return ids;
}
// A[I[0]], A[I[1]], ...
template <typename T>
vc<T> rearrange(const vc<T> &A, const vc<int> &I) {
vc<T> B(len(I));
FOR(i, len(I)) B[i] = A[I[i]];
return B;
}
#endif
#line 1 "library/other/io.hpp"
// based on yosupo's fastio
#include <unistd.h>
namespace fastio {
#define FASTIO
// クラスが read(), print() を持っているかを判定するメタ関数
struct has_write_impl {
template <class T>
static auto check(T &&x) -> decltype(x.write(), std::true_type{});
template <class T>
static auto check(...) -> std::false_type;
};
template <class T>
class has_write : public decltype(has_write_impl::check<T>(std::declval<T>())) {
};
struct has_read_impl {
template <class T>
static auto check(T &&x) -> decltype(x.read(), std::true_type{});
template <class T>
static auto check(...) -> std::false_type;
};
template <class T>
class has_read : public decltype(has_read_impl::check<T>(std::declval<T>())) {};
struct Scanner {
FILE *fp;
char line[(1 << 15) + 1];
size_t st = 0, ed = 0;
void reread() {
memmove(line, line + st, ed - st);
ed -= st;
st = 0;
ed += fread(line + ed, 1, (1 << 15) - ed, fp);
line[ed] = '\0';
}
bool succ() {
while (true) {
if (st == ed) {
reread();
if (st == ed) return false;
}
while (st != ed && isspace(line[st])) st++;
if (st != ed) break;
}
if (ed - st <= 50) {
bool sep = false;
for (size_t i = st; i < ed; i++) {
if (isspace(line[i])) {
sep = true;
break;
}
}
if (!sep) reread();
}
return true;
}
template <class T, enable_if_t<is_same<T, string>::value, int> = 0>
bool read_single(T &ref) {
if (!succ()) return false;
while (true) {
size_t sz = 0;
while (st + sz < ed && !isspace(line[st + sz])) sz++;
ref.append(line + st, sz);
st += sz;
if (!sz || st != ed) break;
reread();
}
return true;
}
template <class T, enable_if_t<is_integral<T>::value, int> = 0>
bool read_single(T &ref) {
if (!succ()) return false;
bool neg = false;
if (line[st] == '-') {
neg = true;
st++;
}
ref = T(0);
while (isdigit(line[st])) { ref = 10 * ref + (line[st++] & 0xf); }
if (neg) ref = -ref;
return true;
}
template <typename T,
typename enable_if<has_read<T>::value>::type * = nullptr>
inline bool read_single(T &x) {
x.read();
return true;
}
bool read_single(double &ref) {
string s;
if (!read_single(s)) return false;
ref = std::stod(s);
return true;
}
bool read_single(char &ref) {
string s;
if (!read_single(s) || s.size() != 1) return false;
ref = s[0];
return true;
}
template <class T>
bool read_single(vector<T> &ref) {
for (auto &d: ref) {
if (!read_single(d)) return false;
}
return true;
}
template <class T, class U>
bool read_single(pair<T, U> &p) {
return (read_single(p.first) && read_single(p.second));
}
template <size_t N = 0, typename T>
void read_single_tuple(T &t) {
if constexpr (N < std::tuple_size<T>::value) {
auto &x = std::get<N>(t);
read_single(x);
read_single_tuple<N + 1>(t);
}
}
template <class... T>
bool read_single(tuple<T...> &tpl) {
read_single_tuple(tpl);
return true;
}
void read() {}
template <class H, class... T>
void read(H &h, T &... t) {
bool f = read_single(h);
assert(f);
read(t...);
}
Scanner(FILE *fp) : fp(fp) {}
};
struct Printer {
Printer(FILE *_fp) : fp(_fp) {}
~Printer() { flush(); }
static constexpr size_t SIZE = 1 << 15;
FILE *fp;
char line[SIZE], small[50];
size_t pos = 0;
void flush() {
fwrite(line, 1, pos, fp);
pos = 0;
}
void write(const char val) {
if (pos == SIZE) flush();
line[pos++] = val;
}
template <class T, enable_if_t<is_integral<T>::value, int> = 0>
void write(T val) {
if (pos > (1 << 15) - 50) flush();
if (val == 0) {
write('0');
return;
}
if (val < 0) {
write('-');
val = -val; // todo min
}
size_t len = 0;
while (val) {
small[len++] = char(0x30 | (val % 10));
val /= 10;
}
for (size_t i = 0; i < len; i++) { line[pos + i] = small[len - 1 - i]; }
pos += len;
}
void write(const string s) {
for (char c: s) write(c);
}
void write(const char *s) {
size_t len = strlen(s);
for (size_t i = 0; i < len; i++) write(s[i]);
}
void write(const double x) {
ostringstream oss;
oss << fixed << setprecision(15) << x;
string s = oss.str();
write(s);
}
void write(const long double x) {
ostringstream oss;
oss << fixed << setprecision(15) << x;
string s = oss.str();
write(s);
}
template <typename T,
typename enable_if<has_write<T>::value>::type * = nullptr>
inline void write(T x) {
x.write();
}
template <class T>
void write(const vector<T> val) {
auto n = val.size();
for (size_t i = 0; i < n; i++) {
if (i) write(' ');
write(val[i]);
}
}
template <class T, class U>
void write(const pair<T, U> val) {
write(val.first);
write(' ');
write(val.second);
}
template <size_t N = 0, typename T>
void write_tuple(const T t) {
if constexpr (N < std::tuple_size<T>::value) {
if constexpr (N > 0) { write(' '); }
const auto x = std::get<N>(t);
write(x);
write_tuple<N + 1>(t);
}
}
template <class... T>
bool write(tuple<T...> tpl) {
write_tuple(tpl);
return true;
}
template <class T, size_t S>
void write(const array<T, S> val) {
auto n = val.size();
for (size_t i = 0; i < n; i++) {
if (i) write(' ');
write(val[i]);
}
}
void write(i128 val) {
string s;
bool negative = 0;
if (val < 0) {
negative = 1;
val = -val;
}
while (val) {
s += '0' + int(val % 10);
val /= 10;
}
if (negative) s += "-";
reverse(all(s));
if (len(s) == 0) s = "0";
write(s);
}
};
Scanner scanner = Scanner(stdin);
Printer printer = Printer(stdout);
void flush() { printer.flush(); }
void print() { printer.write('\n'); }
template <class Head, class... Tail>
void print(Head &&head, Tail &&... tail) {
printer.write(head);
if (sizeof...(Tail)) printer.write(' ');
print(forward<Tail>(tail)...);
}
void read() {}
template <class Head, class... Tail>
void read(Head &head, Tail &... tail) {
scanner.read(head);
read(tail...);
}
} // namespace fastio
using fastio::print;
using fastio::flush;
using fastio::read;
#define INT(...) \
int __VA_ARGS__; \
read(__VA_ARGS__)
#define LL(...) \
ll __VA_ARGS__; \
read(__VA_ARGS__)
#define STR(...) \
string __VA_ARGS__; \
read(__VA_ARGS__)
#define CHAR(...) \
char __VA_ARGS__; \
read(__VA_ARGS__)
#define DBL(...) \
double __VA_ARGS__; \
read(__VA_ARGS__)
#define VEC(type, name, size) \
vector<type> name(size); \
read(name)
#define VV(type, name, h, w) \
vector<vector<type>> name(h, vector<type>(w)); \
read(name)
void YES(bool t = 1) { print(t ? "YES" : "NO"); }
void NO(bool t = 1) { YES(!t); }
void Yes(bool t = 1) { print(t ? "Yes" : "No"); }
void No(bool t = 1) { Yes(!t); }
void yes(bool t = 1) { print(t ? "yes" : "no"); }
void no(bool t = 1) { yes(!t); }
#line 3 "main.cpp"
#line 2 "library/ds/segtree/dynamic_segtree.hpp"
// sparse もあるので状況によってはそっちで
template <typename Monoid, bool PERSISTENT, int NODES>
struct Dynamic_SegTree {
using MX = Monoid;
using X = typename MX::value_type;
using F = function<X(ll, ll)>;
F default_prod;
struct Node {
Node *l, *r;
X x;
};
const ll L0, R0;
Node *pool;
int pid;
using np = Node *;
Dynamic_SegTree(
ll L0, ll R0, F default_prod = [](ll l, ll r) -> X { return MX::unit(); })
: default_prod(default_prod), L0(L0), R0(R0), pid(0) {
pool = new Node[NODES];
}
np new_root() { return new_node(L0, R0); }
np new_node(const X x) {
pool[pid].l = pool[pid].r = nullptr;
pool[pid].x = x;
return &(pool[pid++]);
}
np new_node(ll l, ll r) { return new_node(default_prod(l, r)); }
np new_node() { return new_node(L0, R0); }
np new_node(const vc<X> &dat) {
assert(L0 == 0 && R0 == len(dat));
auto dfs = [&](auto &dfs, ll l, ll r) -> Node * {
if (l == r) return nullptr;
if (r == l + 1) return new_node(dat[l]);
ll m = (l + r) / 2;
np l_root = dfs(dfs, l, m), r_root = dfs(dfs, m, r);
X x = MX::op(l_root->x, r_root->x);
np root = new_node(x);
root->l = l_root, root->r = r_root;
return root;
};
return dfs(dfs, 0, len(dat));
}
X prod(np root, ll l, ll r) {
assert(pid && root && L0 <= l && l <= r && r <= R0);
if (l == r) return MX::unit();
X x = MX::unit();
prod_rec(root, L0, R0, l, r, x);
return x;
}
np set(np root, ll i, const X &x) {
assert(pid && root && L0 <= i && i < R0);
return set_rec(root, L0, R0, i, x);
}
np multiply(np root, ll i, const X &x) {
assert(pid && root && L0 <= i && i < R0);
return multiply_rec(root, L0, R0, i, x);
}
template <typename F>
ll max_right(np root, F check, ll L) {
assert(pid && root && L0 <= L && L <= R0 && check(MX::unit()));
X x = MX::unit();
return max_right_rec(root, check, L0, R0, L, x);
}
template <typename F>
ll min_left(np root, F check, ll R) {
assert(pid && L0 <= R && R <= R0 && check(MX::unit()));
X x = MX::unit();
return min_left_rec(root, check, L0, R0, R, x);
}
// (idx, val)
template <typename F>
void enumerate(np root, F f) {
if (!root) return;
auto dfs = [&](auto &dfs, np c, ll l, ll r) -> void {
if (!c) return;
if (r - l == 1) {
f(l, c->x);
return;
}
ll m = (l + r) / 2;
dfs(dfs, c->l, l, m);
dfs(dfs, c->r, m, r);
};
dfs(dfs, root, L0, R0);
return;
}
void reset() { pid = 0; }
private:
np copy_node(np c) {
if (!c || !PERSISTENT) return c;
pool[pid].l = c->l, pool[pid].r = c->r;
pool[pid].x = c->x;
return &(pool[pid++]);
}
np set_rec(np c, ll l, ll r, ll i, const X &x) {
if (r == l + 1) {
c = copy_node(c);
c->x = x;
return c;
}
ll m = (l + r) / 2;
c = copy_node(c);
if (i < m) {
if (!c->l) c->l = new_node(l, m);
c->l = set_rec(c->l, l, m, i, x);
} else {
if (!c->r) c->r = new_node(m, r);
c->r = set_rec(c->r, m, r, i, x);
}
X xl = (c->l ? c->l->x : default_prod(l, m));
X xr = (c->r ? c->r->x : default_prod(m, r));
c->x = MX::op(xl, xr);
return c;
}
np multiply_rec(np c, ll l, ll r, ll i, const X &x) {
if (r == l + 1) {
c = copy_node(c);
c->x = MX::op(c->x, x);
return c;
}
ll m = (l + r) / 2;
c = copy_node(c);
if (i < m) {
if (!c->l) c->l = new_node(l, m);
c->l = multiply_rec(c->l, l, m, i, x);
} else {
if (!c->r) c->r = new_node(m, r);
c->r = multiply_rec(c->r, m, r, i, x);
}
X xl = (c->l ? c->l->x : default_prod(l, m));
X xr = (c->r ? c->r->x : default_prod(m, r));
c->x = MX::op(xl, xr);
return c;
}
void prod_rec(np c, ll l, ll r, ll ql, ll qr, X &x) {
chmax(ql, l);
chmin(qr, r);
if (ql >= qr) return;
if (!c) {
x = MX::op(x, default_prod(ql, qr));
return;
}
if (l == ql && r == qr) {
x = MX::op(x, c->x);
return;
}
ll m = (l + r) / 2;
prod_rec(c->l, l, m, ql, qr, x);
prod_rec(c->r, m, r, ql, qr, x);
}
template <typename F>
ll max_right_rec(np c, const F &check, ll l, ll r, ll ql, X &x) {
if (r <= ql) return R0;
if (ql <= l && check(MX::op(x, c->x))) {
x = MX::op(x, c->x);
return R0;
}
if (r == l + 1) return l;
ll m = (l + r) / 2;
if (!c->l) c->l = new_node(l, m);
ll k = max_right_rec(c->l, check, l, m, ql, x);
if (k != R0) return k;
if (!c->r) c->r = new_node(m, r);
return max_right_rec(c->r, check, m, r, ql, x);
}
template <typename F>
ll min_left_rec(np c, const F &check, ll l, ll r, ll qr, X &x) {
if (qr <= l) return L0;
if (r <= qr && check(MX::op(c->x, x))) {
x = MX::op(x, c->x);
return L0;
}
if (r == l + 1) return r;
ll m = (l + r) / 2;
if (!c->r) c->r = new_node(m, r);
ll k = min_left_rec(c->r, check, m, r, qr, x);
if (k != L0) return k;
if (!c->l) c->l = new_node(l, m);
return min_left_rec(c->l, check, l, m, qr, x);
}
};
#line 2 "library/mod/modint61.hpp"
struct modint61 {
static constexpr bool is_modint = true;
static constexpr ll mod = (1LL << 61) - 1;
ll val;
constexpr modint61(const ll x = 0) : val(x) {
while (val < 0) val += mod;
while (val >= mod) val -= mod;
}
bool operator<(const modint61 &other) const {
return val < other.val;
} // To use std::map
bool operator==(const modint61 &p) const { return val == p.val; }
bool operator!=(const modint61 &p) const { return val != p.val; }
modint61 &operator+=(const modint61 &p) {
if ((val += p.val) >= mod) val -= mod;
return *this;
}
modint61 &operator-=(const modint61 &p) {
if ((val += mod - p.val) >= mod) val -= mod;
return *this;
}
modint61 &operator*=(const modint61 &p) {
ll a = val, b = p.val;
const ll MASK30 = (1LL << 30) - 1;
const ll MASK31 = (1LL << 31) - 1;
const ll MASK61 = (1LL << 61) - 1;
ll au = a >> 31, ad = a & MASK31;
ll bu = b >> 31, bd = b & MASK31;
ll x = ad * bu + au * bd;
ll xu = x >> 30, xd = x & MASK30;
x = au * bu * 2 + xu + (xd << 31) + ad * bd;
xu = x >> 61, xd = x & MASK61;
x = xu + xd;
if (x >= MASK61) x -= MASK61;
val = x;
return *this;
}
modint61 operator-() const { return modint61(get_mod() - val); }
modint61 &operator/=(const modint61 &p) {
*this *= p.inverse();
return *this;
}
modint61 operator+(const modint61 &p) const { return modint61(*this) += p; }
modint61 operator-(const modint61 &p) const { return modint61(*this) -= p; }
modint61 operator*(const modint61 &p) const { return modint61(*this) *= p; }
modint61 operator/(const modint61 &p) const { return modint61(*this) /= p; }
modint61 inverse() const {
ll a = val, b = mod, u = 1, v = 0, t;
while (b > 0) {
t = a / b;
swap(a -= t * b, b), swap(u -= t * v, v);
}
return modint61(u);
}
modint61 pow(int64_t n) const {
modint61 ret(1), mul(val);
while (n > 0) {
if (n & 1) ret = ret * mul;
mul = mul * mul;
n >>= 1;
}
return ret;
}
static constexpr ll get_mod() { return mod; }
#ifdef FASTIO
void write() { fastio::printer.write(val); }
void read() { fastio::scanner.read(val); }
#endif
};
#line 2 "library/random/base.hpp"
u64 RNG_64() {
static uint64_t x_
= uint64_t(chrono::duration_cast<chrono::nanoseconds>(
chrono::high_resolution_clock::now().time_since_epoch())
.count())
* 10150724397891781847ULL;
x_ ^= x_ << 7;
return x_ ^= x_ >> 9;
}
u64 RNG(u64 lim) { return RNG_64() % lim; }
ll RNG(ll l, ll r) { return l + RNG_64() % (r - l); }
#line 7 "main.cpp"
using mint = modint61;
// cnt, hash
struct Mono {
using value_type = pair<int, mint>;
using X = value_type;
static X op(X x, X y) { return {x.fi + y.fi, x.se + y.se}; }
static constexpr X unit() { return {0, 0}; }
static constexpr bool commute = 1;
};
using P = typename Mono::value_type;
void solve() {
static Dynamic_SegTree<Mono, true, 20'000'000> seg(0, 1 << 20);
seg.reset();
using np = decltype(seg)::np;
LL(N, L, R);
VEC(int, X, N);
VEC(int, A, N);
vc<mint> hash_base(N + 1);
FOR(i, N + 1) hash_base[i] = RNG(0, mint::get_mod());
vc<int> par(N, -1);
vc<np> roots(N, nullptr);
roots[0] = seg.new_root();
roots[0] = seg.multiply(roots[0], A[0], {1, hash_base[A[0]]});
auto eval = [&](np a) -> P {
if (!a) return {0, 0};
return a->x;
};
auto debug = [&](np a) -> vc<int> {
vc<int> X(6);
FOR(k, 6) X[k] = seg.prod(a, k, k + 1).fi;
return X;
};
auto is_small = [&](int i, int j) -> bool {
np a = roots[i], b = roots[j];
assert(a != nullptr);
assert(b != nullptr);
int L = 0, R = (1 << 20);
while (1) {
if (R == L + 1) { return eval(a).fi < eval(b).fi; }
int M = (L + R) / 2;
if (eval(a->r) != eval(b->r)) {
if (!(a->r)) return true;
if (!(b->r)) return false;
a = a->r, b = b->r, L = M;
continue;
}
if (!(a->l)) return true;
if (!(b->l)) return false;
a = a->l, b = b->l, R = M;
continue;
}
assert(0);
return 1;
};
// [x-R:x-L] の減少列
vc<int> que(N);
int ql = 0, qr = 0;
int nxt = 0;
auto push = [&](int idx) -> void {
if (roots[idx] == nullptr) return;
while (ql < qr && is_small(que[qr - 1], idx)) --qr;
que[qr++] = idx;
};
FOR(v, 1, N) {
while (nxt < v && X[nxt] <= X[v] - L) {
// nxt からの遷移を追加
push(nxt++);
}
while (ql < qr) {
int idx = que[ql];
if (X[idx] < X[v] - R)
++ql;
else
break;
}
if (ql == qr) continue;
int p = que[ql];
par[v] = p;
roots[v] = seg.multiply(roots[p], A[v], {1, hash_base[A[v]]});
}
if (par[N - 1] == -1) return print(-1);
vc<int> PATH = {N - 1};
while (PATH.back() != 0) PATH.eb(par[PATH.back()]);
reverse(all(PATH));
for (auto&& x: PATH) x = A[x];
sort(all(PATH));
reverse(all(PATH));
print(len(PATH));
print(PATH);
}
signed main() {
INT(T);
FOR(T) solve();
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 65ms
memory: 628480kb
input:
2 5 2 3 1 2 3 4 5 5 2 3 1 4 3 1 2 1 4 7 3 3 3
output:
3 5 4 3 -1
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 308ms
memory: 628772kb
input:
10000 57 8 11 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 11 16 7 7 10 13 9 14 10 1 12 4 8 13 3 20 16 7 16 19 20 8 19 7 16 6 17 13 7 19 17 11 12 17 6 3 7 8 14 2 4 15 5 18 16 7 20 9 1...
output:
7 20 20 19 14 12 11 3 -1 6 6 5 3 2 1 1 -1 185 20 20 20 20 20 20 20 20 19 19 19 19 19 19 19 19 19 19 19 19 18 18 18 18 18 17 17 17 17 17 17 17 17 16 16 16 16 16 16 16 16 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 14 14 14 14 14 14 14 13 13 13 13 13 13 13 13 13 12 12 12 12 12 12 12 12...
result:
wrong answer 66th lines differ - expected: '1', found: '-1'