QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#103763 | #6400. Game: Celeste | maspy | WA | 28ms | 542544kb | C++20 | 29.9kb | 2023-05-07 14:32:35 | 2023-05-07 14:32:39 |
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, bool make_copy = true) {
if (r == l + 1) {
c = copy_node(c);
c->x = MX::op(c->x, x);
return c;
}
ll m = (l + r) / 2;
if (make_copy) c = copy_node(c);
if (i < m) {
bool make = true;
if (!c->l) c->l = new_node(l, m), make = false;
c->l = multiply_rec(c->l, l, m, i, x, make);
} else {
bool make = true;
if (!c->r) c->r = new_node(m, r), make = false;
c->r = multiply_rec(c->r, m, r, i, x, make);
}
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/mod/modint_common.hpp"
struct has_mod_impl {
template <class T>
static auto check(T &&x) -> decltype(x.get_mod(), std::true_type{});
template <class T>
static auto check(...) -> std::false_type;
};
template <class T>
class has_mod : public decltype(has_mod_impl::check<T>(std::declval<T>())) {};
template <typename mint>
mint inv(int n) {
static const int mod = mint::get_mod();
static vector<mint> dat = {0, 1};
assert(0 <= n);
if (n >= mod) n %= mod;
while (len(dat) <= n) {
int k = len(dat);
int q = (mod + k - 1) / k;
dat.eb(dat[k * q - mod] * mint(q));
}
return dat[n];
}
template <typename mint>
mint fact(int n) {
static const int mod = mint::get_mod();
assert(0 <= n);
if (n >= mod) return 0;
static vector<mint> dat = {1, 1};
while (len(dat) <= n) dat.eb(dat[len(dat) - 1] * mint(len(dat)));
return dat[n];
}
template <typename mint>
mint fact_inv(int n) {
static const int mod = mint::get_mod();
assert(-1 <= n && n < mod);
static vector<mint> dat = {1, 1};
if (n == -1) return mint(0);
while (len(dat) <= n) dat.eb(dat[len(dat) - 1] * inv<mint>(len(dat)));
return dat[n];
}
template <class mint, class... Ts>
mint fact_invs(Ts... xs) {
return (mint(1) * ... * fact_inv<mint>(xs));
}
template <typename mint, class Head, class... Tail>
mint multinomial(Head &&head, Tail &&... tail) {
return fact<mint>(head) * fact_invs<mint>(std::forward<Tail>(tail)...);
}
template <typename mint>
mint C_dense(int n, int k) {
static vvc<mint> C;
static int H = 0, W = 0;
auto calc = [&](int i, int j) -> mint {
if (i == 0) return (j == 0 ? mint(1) : mint(0));
return C[i - 1][j] + (j ? C[i - 1][j - 1] : 0);
};
if (W <= k) {
FOR(i, H) {
C[i].resize(k + 1);
FOR(j, W, k + 1) { C[i][j] = calc(i, j); }
}
W = k + 1;
}
if (H <= n) {
C.resize(n + 1);
FOR(i, H, n + 1) {
C[i].resize(W);
FOR(j, W) { C[i][j] = calc(i, j); }
}
H = n + 1;
}
return C[n][k];
}
template <typename mint, bool large = false, bool dense = false>
mint C(ll n, ll k) {
assert(n >= 0);
if (k < 0 || n < k) return 0;
if (dense) return C_dense<mint>(n, k);
if (!large) return multinomial<mint>(n, k, n - k);
k = min(k, n - k);
mint x(1);
FOR(i, k) x *= mint(n - i);
return x * fact_inv<mint>(k);
}
template <typename mint, bool large = false>
mint C_inv(ll n, ll k) {
assert(n >= 0);
assert(0 <= k && k <= n);
if (!large) return fact_inv<mint>(n) * fact<mint>(k) * fact<mint>(n - k);
return mint(1) / C<mint, 1>(n, k);
}
// [x^d] (1-x) ^ {-n} の計算
template <typename mint, bool large = false, bool dense = false>
mint C_negative(ll n, ll d) {
assert(n >= 0);
if (d < 0) return mint(0);
if (n == 0) { return (d == 0 ? mint(1) : mint(0)); }
return C<mint, large, dense>(n + d - 1, d);
}
#line 3 "library/mod/modint.hpp"
template <int mod>
struct modint {
int val;
constexpr modint(const ll val = 0) noexcept
: val(val >= 0 ? val % mod : (mod - (-val) % mod) % mod) {}
bool operator<(const modint &other) const {
return val < other.val;
} // To use std::map
modint &operator+=(const modint &p) {
if ((val += p.val) >= mod) val -= mod;
return *this;
}
modint &operator-=(const modint &p) {
if ((val += mod - p.val) >= mod) val -= mod;
return *this;
}
modint &operator*=(const modint &p) {
val = (int)(1LL * val * p.val % mod);
return *this;
}
modint &operator/=(const modint &p) {
*this *= p.inverse();
return *this;
}
modint operator-() const { return modint(-val); }
modint operator+(const modint &p) const { return modint(*this) += p; }
modint operator-(const modint &p) const { return modint(*this) -= p; }
modint operator*(const modint &p) const { return modint(*this) *= p; }
modint operator/(const modint &p) const { return modint(*this) /= p; }
bool operator==(const modint &p) const { return val == p.val; }
bool operator!=(const modint &p) const { return val != p.val; }
modint inverse() const {
int 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 modint(u);
}
modint pow(ll n) const {
assert(n >= 0);
modint ret(1), mul(val);
while (n > 0) {
if (n & 1) ret *= mul;
mul *= mul;
n >>= 1;
}
return ret;
}
#ifdef FASTIO
void write() { fastio::printer.write(val); }
void read() { fastio::scanner.read(val); }
#endif
static constexpr int get_mod() { return mod; }
// (n, r), r は 1 の 2^n 乗根
static constexpr pair<int, int> ntt_info() {
if (mod == 167772161) return {25, 17};
if (mod == 469762049) return {26, 30};
if (mod == 754974721) return {24, 362};
if (mod == 880803841) return {23, 211};
if (mod == 998244353) return {23, 31};
if (mod == 1045430273) return {20, 363};
if (mod == 1051721729) return {20, 330};
if (mod == 1053818881) return {20, 2789};
return {-1, -1};
}
static constexpr bool can_ntt() { return ntt_info().fi != -1; }
};
using modint107 = modint<1000000007>;
using modint998 = modint<998244353>;
#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 2 "library/alg/monoid/add.hpp"
template <typename X>
struct Monoid_Add {
using value_type = X;
static constexpr X op(const X &x, const X &y) noexcept { return x + y; }
static constexpr X inverse(const X &x) noexcept { return -x; }
static constexpr X power(const X &x, ll n) noexcept { return X(n) * x; }
static constexpr X unit() { return X(0); }
static constexpr bool commute = true;
};
#line 9 "main.cpp"
// using mint = modint61;
using mint = modint107;
/*
// 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 Mono = Monoid_Add<mint>;
void solve() {
static Dynamic_SegTree<Mono, true, 23'000'000> 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<mint> invs(N + 1);
FOR(x, N + 1) invs[x] = mint(1) / hash_base[x];
vc<int> par(N, -1);
vc<np> roots(N, nullptr);
roots[0] = seg.new_root();
roots[0] = seg.multiply(roots[0], A[0], hash_base[A[0]]);
auto get_cnt = [&](int v, mint x) -> int { return (x * invs[v]).val; };
auto eval = [&](np a) -> mint {
if (!a) return 0;
return a->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 get_cnt(L, eval(a)) < get_cnt(L, eval(b)); }
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;
int before = seg.pid;
roots[v] = seg.multiply(roots[p], A[v], hash_base[A[v]]);
int after = seg.pid;
if (after - before >= 35) print(A[v], after - before);
}
if (N > 1 && 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);
print("node", seg.pid);
}
signed main() {
INT(T);
FOR(T) solve();
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 28ms
memory: 542544kb
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 node 89 -1
result:
wrong answer 3rd lines differ - expected: '-1', found: 'node 89'