QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#823454 | #9774. Same Sum | ucup-team987# | TL | 1ms | 3844kb | C++23 | 26.1kb | 2024-12-21 00:47:03 | 2024-12-21 00:47:03 |
Judging History
你现在查看的是最新测评结果
- [2025-01-11 11:59:18]
- hack成功,自动添加数据
- (/hack/1443)
- [2024-12-23 17:02:06]
- hack成功,自动添加数据
- (/hack/1310)
- [2024-12-23 16:48:26]
- hack成功,自动添加数据
- (/hack/1309)
- [2024-12-23 16:33:45]
- hack成功,自动添加数据
- (/hack/1308)
- [2024-12-23 16:23:53]
- hack成功,自动添加数据
- (/hack/1307)
- [2024-12-23 16:13:08]
- hack成功,自动添加数据
- (/hack/1306)
- [2024-12-23 15:54:42]
- hack成功,自动添加数据
- (/hack/1305)
- [2024-12-23 14:58:39]
- hack成功,自动添加数据
- (/hack/1304)
- [2024-12-23 09:58:11]
- hack成功,自动添加数据
- (/hack/1302)
- [2024-12-23 09:47:22]
- hack成功,自动添加数据
- (/hack/1301)
- [2024-12-23 09:41:23]
- hack成功,自动添加数据
- (/hack/1300)
- [2024-12-23 09:26:32]
- hack成功,自动添加数据
- (/hack/1299)
- [2024-12-23 09:19:58]
- hack成功,自动添加数据
- (/hack/1298)
- [2024-12-23 09:13:29]
- hack成功,自动添加数据
- (/hack/1297)
- [2024-12-22 18:52:18]
- hack成功,自动添加数据
- (/hack/1296)
- [2024-12-22 18:13:14]
- hack成功,自动添加数据
- (/hack/1294)
- [2024-12-21 00:47:03]
- 提交
answer
/**
* date : 2024-12-21 01:46:39
* author : Nyaan
*/
#define NDEBUG
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 <tr2/dynamic_bitset>
#include <tuple>
#include <type_traits>
#include <typeinfo>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
// utility
namespace Nyaan {
using ll = long long;
using i64 = long long;
using u64 = unsigned long long;
using i128 = __int128_t;
using u128 = __uint128_t;
template <typename T>
using V = vector<T>;
template <typename T>
using VV = 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>>;
template <typename T>
using minpq = priority_queue<T, vector<T>, greater<T>>;
template <typename T, typename U>
struct P : pair<T, U> {
template <typename... Args>
constexpr 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>;
constexpr int inf = 1001001001;
constexpr long long infLL = 4004004004004004004LL;
template <typename T>
int sz(const T &t) {
return t.size();
}
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), 0LL);
}
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;
}
// 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;
}
} // namespace Nyaan
// bit operation
namespace Nyaan {
__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 Nyaan
// inout
namespace Nyaan {
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 IoSetupNya {
IoSetupNya() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
cout << fixed << setprecision(15);
cerr << fixed << setprecision(7);
}
} iosetupnya;
} // namespace Nyaan
// debug
#ifdef NyaanDebug
#define trc(...) (void(0))
#else
#define trc(...) (void(0))
#endif
#ifdef NyaanLocal
#define trc2(...) (void(0))
#else
#define trc2(...) (void(0))
#endif
// macro
#define each(x, v) for (auto&& x : v)
#define each2(x, y, v) for (auto&& [x, y] : v)
#define all(v) (v).begin(), (v).end()
#define rep(i, N) for (long long i = 0; i < (long long)(N); i++)
#define repr(i, N) for (long long i = (long long)(N)-1; i >= 0; i--)
#define rep1(i, N) for (long long i = 1; i <= (long long)(N); i++)
#define repr1(i, N) for (long long i = (N); (long long)(i) > 0; i--)
#define reg(i, a, b) for (long long i = (a); i < (b); i++)
#define regr(i, a, b) for (long long i = (b)-1; i >= (a); i--)
#define fi first
#define se second
#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 { \
Nyaan::out(__VA_ARGS__); \
return; \
} while (0)
namespace Nyaan {
void solve();
}
int main() { Nyaan::solve(); }
//
template <typename T, typename E, T (*f)(T, T), T (*g)(T, E), E (*h)(E, E),
T (*ti)(), E (*ei)()>
struct LazySegmentTreeBase {
int n, log, s;
vector<T> val;
vector<E> laz;
explicit LazySegmentTreeBase() {}
explicit LazySegmentTreeBase(const vector<T>& vc) { init(vc); }
void init(const vector<T>& vc) {
n = 1, log = 0, s = vc.size();
while (n < s) n <<= 1, log++;
val.resize(2 * n, ti());
laz.resize(n, ei());
for (int i = 0; i < s; ++i) val[i + n] = vc[i];
for (int i = n - 1; i; --i) _update(i);
}
void update(int l, int r, const E& x) {
if (l == r) return;
l += n, r += n;
for (int i = log; i >= 1; i--) {
if (((l >> i) << i) != l) _push(l >> i);
if (((r >> i) << i) != r) _push((r - 1) >> i);
}
{
int l2 = l, r2 = r;
while (l < r) {
if (l & 1) _apply(l++, x);
if (r & 1) _apply(--r, x);
l >>= 1;
r >>= 1;
}
l = l2;
r = r2;
}
for (int i = 1; i <= log; i++) {
if (((l >> i) << i) != l) _update(l >> i);
if (((r >> i) << i) != r) _update((r - 1) >> i);
}
}
T query(int l, int r) {
if (l == r) return ti();
l += n, r += n;
T L = ti(), R = ti();
for (int i = log; i >= 1; i--) {
if (((l >> i) << i) != l) _push(l >> i);
if (((r >> i) << i) != r) _push((r - 1) >> i);
}
while (l < r) {
if (l & 1) L = f(L, val[l++]);
if (r & 1) R = f(val[--r], R);
l >>= 1;
r >>= 1;
}
return f(L, R);
}
void set_val(int k, const T& x) {
k += n;
for (int i = log; i >= 1; i--) {
if (((k >> i) << i) != k || (((k + 1) >> i) << i) != (k + 1))
_push(k >> i);
}
val[k] = x;
for (int i = 1; i <= log; i++) {
if (((k >> i) << i) != k || (((k + 1) >> i) << i) != (k + 1))
_update(k >> i);
}
}
void update_val(int k, const E& x) {
k += n;
for (int i = log; i >= 1; i--) {
if (((k >> i) << i) != k || (((k + 1) >> i) << i) != (k + 1))
_push(k >> i);
}
val[k] = g(val[k], x);
for (int i = 1; i <= log; i++) {
if (((k >> i) << i) != k || (((k + 1) >> i) << i) != (k + 1))
_update(k >> i);
}
}
T get_val(int k) {
k += n;
for (int i = log; i >= 1; i--) {
if (((k >> i) << i) != k || (((k + 1) >> i) << i) != (k + 1))
_push(k >> i);
}
return val[k];
}
template <class G>
int max_right(int l, G check) {
assert(0 <= l && l <= s);
assert(check(ti()));
if (l == n) return n;
l += n;
for (int i = log; i >= 1; i--) _push(l >> i);
T sm = ti();
do {
while (l % 2 == 0) l >>= 1;
if (!check(f(sm, val[l]))) {
while (l < n) {
_push(l);
l = (2 * l);
if (check(f(sm, val[l]))) {
sm = f(sm, val[l]);
l++;
}
}
return l - n;
}
sm = f(sm, val[l]);
l++;
} while ((l & -l) != l);
return s;
}
template <class G>
int min_left(int r, G check) {
assert(0 <= r && r <= s);
assert(check(ti()));
if (r == 0) return 0;
r += n;
for (int i = log; i >= 1; i--) _push((r - 1) >> i);
T sm = ti();
do {
r--;
while (r > 1 && (r % 2)) r >>= 1;
if (!check(f(val[r], sm))) {
while (r < n) {
_push(r);
r = (2 * r + 1);
if (check(f(val[r], sm))) {
sm = f(val[r], sm);
r--;
}
}
return r + 1 - n;
}
sm = f(val[r], sm);
} while ((r & -r) != r);
return 0;
}
private:
void _push(int i) {
if (laz[i] != ei()) {
val[2 * i + 0] = g(val[2 * i + 0], laz[i]);
val[2 * i + 1] = g(val[2 * i + 1], laz[i]);
if (2 * i < n) {
compose(laz[2 * i + 0], laz[i]);
compose(laz[2 * i + 1], laz[i]);
}
laz[i] = ei();
}
}
inline void _update(int i) { val[i] = f(val[2 * i + 0], val[2 * i + 1]); }
inline void _apply(int i, const E& x) {
if (x != ei()) {
val[i] = g(val[i], x);
if (i < n) compose(laz[i], x);
}
}
inline void compose(E& a, const E& b) { a = a == ei() ? b : h(a, b); }
};
namespace SegmentTreeUtil {
template <typename T>
struct Pair {
T first, second;
Pair() = default;
Pair(const T& f, const T& s) : first(f), second(s) {}
operator T() const { return first; }
friend ostream& operator<<(ostream& os, const Pair<T>& p) {
os << T(p.first);
return os;
}
};
template <typename T>
T Mx(T a, T b) {
return max(a, b);
}
template <typename T>
T Mn(T a, T b) {
return min(a, b);
}
template <typename T>
T Update(T, T b) {
return b;
}
template <typename T>
T Add(T a, T b) {
return a + b;
}
template <typename T>
Pair<T> Psum(Pair<T> a, Pair<T> b) {
return Pair<T>(a.first + b.first, a.second + b.second);
}
template <typename T>
Pair<T> Padd(Pair<T> a, T b) {
return Pair<T>(a.first + a.second * b, a.second);
}
template <typename T>
Pair<T> PUpdate(Pair<T> a, T b) {
return Pair<T>(a.second * b, a.second);
}
template <typename T>
Pair<T> Pid() {
return Pair<T>(T{}, T{});
}
template <typename T>
T Zero() {
return T{};
}
template <typename T, T val>
T Const() {
return val;
}
template <typename T, T MINF>
struct AddMax_LazySegmentTree : LazySegmentTreeBase<T, T, Mx<T>, Add<T>, Add<T>,
Const<T, MINF>, Zero<T>> {
using base =
LazySegmentTreeBase<T, T, Mx<T>, Add<T>, Add<T>, Const<T, MINF>, Zero<T>>;
AddMax_LazySegmentTree(const vector<T>& v) : base(v) {}
};
template <typename T, T INF>
struct AddMin_LazySegmentTree
: LazySegmentTreeBase<T, T, Mn<T>, Add<T>, Add<T>, Const<T, INF>, Zero<T>> {
using base =
LazySegmentTreeBase<T, T, Mn<T>, Add<T>, Add<T>, Const<T, INF>, Zero<T>>;
AddMin_LazySegmentTree(const vector<T>& v) : base(v) {}
};
template <typename T>
struct AddSum_LazySegmentTree
: LazySegmentTreeBase<Pair<T>, T, Psum<T>, Padd<T>, Add<T>, Pid<T>,
Zero<T>> {
using base = LazySegmentTreeBase<Pair<T>, T, Psum<T>, Padd<T>, Add<T>, Pid<T>,
Zero<T>>;
AddSum_LazySegmentTree(const vector<T>& v) {
vector<Pair<T>> w(v.size());
for (int i = 0; i < (int)v.size(); i++) w[i] = Pair<T>(v[i], 1);
base::init(w);
}
};
template <typename T, T MINF>
struct UpdateMax_LazySegmentTree
: LazySegmentTreeBase<T, T, Mx<T>, Update<T>, Update<T>, Const<T, MINF>,
Const<T, MINF>> {
using base = LazySegmentTreeBase<T, T, Mx<T>, Update<T>, Update<T>,
Const<T, MINF>, Const<T, MINF>>;
UpdateMax_LazySegmentTree(const vector<T>& v) : base(v) {}
};
template <typename T, T INF>
struct UpdateMin_LazySegmentTree
: LazySegmentTreeBase<T, T, Mn<T>, Update<T>, Update<T>, Const<T, INF>,
Const<T, INF>> {
using base = LazySegmentTreeBase<T, T, Mn<T>, Update<T>, Update<T>,
Const<T, INF>, Const<T, INF>>;
UpdateMin_LazySegmentTree(const vector<T>& v) : base(v) {}
};
template <typename T, T UNUSED_VALUE>
struct UpdateSum_LazySegmentTree
: LazySegmentTreeBase<Pair<T>, T, Psum<T>, PUpdate<T>, Update<T>, Pid<T>,
Const<T, UNUSED_VALUE>> {
using base = LazySegmentTreeBase<Pair<T>, T, Psum<T>, PUpdate<T>, Update<T>,
Pid<T>, Const<T, UNUSED_VALUE>>;
UpdateSum_LazySegmentTree(const vector<T>& v) {
vector<Pair<T>> w(v.size());
for (int i = 0; i < (int)v.size(); i++) w[i] = Pair<T>(v[i], 1);
base::init(w);
}
};
} // namespace SegmentTreeUtil
using SegmentTreeUtil::AddMax_LazySegmentTree;
using SegmentTreeUtil::AddMin_LazySegmentTree;
using SegmentTreeUtil::AddSum_LazySegmentTree;
using SegmentTreeUtil::UpdateMax_LazySegmentTree;
using SegmentTreeUtil::UpdateMin_LazySegmentTree;
using SegmentTreeUtil::UpdateSum_LazySegmentTree;
/**
* @brief 使用頻度の高い遅延セグメント木
* @docs docs/segment-tree/lazy-segment-tree-utility.md
*/
// LazySegmentTree
template <typename T, typename E, typename F, typename G, typename H>
struct LazySegmentTree {
int n, height;
F f;
G g;
H h;
T ti;
E ei;
vector<T> dat;
vector<E> laz;
LazySegmentTree(int _n, F _f, G _g, H _h, T _ti, E _ei)
: f(_f), g(_g), h(_h), ti(_ti), ei(_ei) {
init(_n);
}
LazySegmentTree(const vector<T> &v, F _f, G _g, H _h, T _ti, E _ei)
: f(_f), g(_g), h(_h), ti(_ti), ei(_ei) {
init((int)v.size());
build(v);
}
void init(int _n) {
n = 1;
height = 0;
while (n < _n) n <<= 1, height++;
dat.assign(2 * n, ti);
laz.assign(2 * n, ei);
}
void build(const vector<T> &v) {
int _n = v.size();
init(_n);
for (int i = 0; i < _n; i++) dat[n + i] = v[i];
for (int i = n - 1; i; i--)
dat[i] = f(dat[(i << 1) | 0], dat[(i << 1) | 1]);
}
inline T reflect(int k) { return laz[k] == ei ? dat[k] : g(dat[k], laz[k]); }
inline void eval(int k) {
if (laz[k] == ei) return;
laz[(k << 1) | 0] = h(laz[(k << 1) | 0], laz[k]);
laz[(k << 1) | 1] = h(laz[(k << 1) | 1], laz[k]);
dat[k] = reflect(k);
laz[k] = ei;
}
inline void thrust(int k) {
for (int i = height; i; i--) eval(k >> i);
}
inline void recalc(int k) {
while (k >>= 1) dat[k] = f(reflect((k << 1) | 0), reflect((k << 1) | 1));
}
void update(int a, int b, E x) {
if (a >= b) return;
thrust(a += n);
thrust(b += n - 1);
for (int l = a, r = b + 1; l < r; l >>= 1, r >>= 1) {
if (l & 1) laz[l] = h(laz[l], x), l++;
if (r & 1) --r, laz[r] = h(laz[r], x);
}
recalc(a);
recalc(b);
}
void set_val(int a, T x) {
thrust(a += n);
dat[a] = x;
laz[a] = ei;
recalc(a);
}
T get_val(int a) {
thrust(a += n);
return reflect(a);
}
T query(int a, int b) {
if (a >= b) return ti;
thrust(a += n);
thrust(b += n - 1);
T vl = ti, vr = ti;
for (int l = a, r = b + 1; l < r; l >>= 1, r >>= 1) {
if (l & 1) vl = f(vl, reflect(l++));
if (r & 1) vr = f(reflect(--r), vr);
}
return f(vl, vr);
}
};
//
using namespace std;
namespace internal {
unsigned long long non_deterministic_seed() {
unsigned long long m =
chrono::duration_cast<chrono::nanoseconds>(
chrono::high_resolution_clock::now().time_since_epoch())
.count();
m ^= 9845834732710364265uLL;
m ^= m << 24, m ^= m >> 31, m ^= m << 35;
return m;
}
unsigned long long deterministic_seed() { return 88172645463325252UL; }
// 64 bit の seed 値を生成 (手元では seed 固定)
// 連続で呼び出すと同じ値が何度も返ってくるので注意
// #define RANDOMIZED_SEED するとシードがランダムになる
unsigned long long seed() {
#if defined(DETERMINISTIC_SEED)
return deterministic_seed();
#elif defined(NyaanLocal) && !defined(RANDOMIZED_SEED)
return deterministic_seed();
#else
return non_deterministic_seed();
#endif
}
} // namespace internal
namespace my_rand {
using i64 = long long;
using u64 = unsigned long long;
// [0, 2^64 - 1)
u64 rng() {
static u64 _x = internal::seed();
return _x ^= _x << 7, _x ^= _x >> 9;
}
// [l, r]
i64 rng(i64 l, i64 r) {
assert(l <= r);
return l + rng() % u64(r - l + 1);
}
// [l, r)
i64 randint(i64 l, i64 r) {
assert(l < r);
return l + rng() % u64(r - l);
}
// choose n numbers from [l, r) without overlapping
vector<i64> randset(i64 l, i64 r, i64 n) {
assert(l <= r && n <= r - l);
unordered_set<i64> s;
for (i64 i = n; i; --i) {
i64 m = randint(l, r + 1 - i);
if (s.find(m) != s.end()) m = r - i;
s.insert(m);
}
vector<i64> ret;
for (auto& x : s) ret.push_back(x);
sort(begin(ret), end(ret));
return ret;
}
// [0.0, 1.0)
double rnd() { return rng() * 5.42101086242752217004e-20; }
// [l, r)
double rnd(double l, double r) {
assert(l < r);
return l + rnd() * (r - l);
}
template <typename T>
void randshf(vector<T>& v) {
int n = v.size();
for (int i = 1; i < n; i++) swap(v[i], v[randint(0, i + 1)]);
}
} // namespace my_rand
using my_rand::randint;
using my_rand::randset;
using my_rand::randshf;
using my_rand::rnd;
using my_rand::rng;
using namespace std;
struct modint_2_61m1 {
using M = modint_2_61m1;
using u64 = unsigned long long;
using u128 = __uint128_t;
static constexpr u64 mod = (1uLL << 61) - 1;
u64 x;
static constexpr u64 modulo(u128 y) {
u64 val = (y >> 61) + (y & mod);
return val >= mod ? val - mod : val;
}
modint_2_61m1() : x(0) {}
modint_2_61m1(long long _x) {
long long y = _x % (long long)mod;
if (y < 0) y += mod;
x = y;
}
static M raw(u64 y) {
M res;
res.x = y;
return res;
}
u64 get() const { return x; }
static u64 get_mod() { return mod; }
friend M operator+(const M& l, const M& r) {
u64 y = l.x + r.x;
if (y >= mod) y -= mod;
return raw(y);
}
friend M operator-(const M& l, const M& r) {
u64 y = l.x - r.x;
if (y >= mod) y += mod;
return raw(y);
}
friend M operator*(const M& l, const M& r) {
return raw(modulo(u128(l.x) * r.x));
}
friend M operator/(const M& l, const M& r) { return l * r.inverse(); }
M& operator+=(const M& r) { return *this = *this + r; }
M& operator-=(const M& r) { return *this = *this - r; }
M& operator*=(const M& r) { return *this = *this * r; }
M& operator/=(const M& r) { return *this = *this / r; }
M operator-() const { return raw(x ? mod - x : u64{0}); }
M operator+() const { return *this; }
M pow(u64 e) const {
M res{1}, a{*this};
while (e) {
if (e & 1) res = res * a;
a = a * a;
e >>= 1;
}
return res;
}
M inverse() const {
assert(x != 0);
return this->pow(mod - 2);
}
friend bool operator==(const M& l, const M& r) { return l.x == r.x; }
friend bool operator!=(const M& l, const M& r) { return l.x != r.x; }
friend ostream& operator<<(ostream& os, const M& r) { return os << r.x; }
};
//
using namespace Nyaan;
using mint = modint_2_61m1;
// using mint = LazyMontgomeryModInt<1000000007>;
using namespace Nyaan;
// 0, 1, 2, 3 乗和
constexpr int B = 10;
mint base[B];
struct BaseInit {
BaseInit() { rep(i, B) base[i] = rng(1, mint::get_mod() - 1); }
} baseinit;
struct Data {
mint a[B];
Data() { rep(i, B) a[i] = 0; }
Data(ll x) {
if (x >= 0) {
rep(i, B) a[i] = base[i].pow(x);
} else {
rep(i, B) a[i] = base[i].pow(-x).inverse();
}
}
Data apply(ll x) const {
Data res;
if (x >= 0) {
rep(i, B) res.a[i] = a[i] * base[i].pow(x);
} else {
rep(i, B) res.a[i] = a[i] * base[i].pow(-x).inverse();
}
return res;
}
};
Data merge(const Data& a, const Data& b) {
Data res;
rep(i, B) res.a[i] = a.a[i] + b.a[i];
return res;
}
void q() {
inl(N, Q);
vl A(N);
in(A);
AddSum_LazySegmentTree<ll> segsum(A);
auto f = [&](const Data& a, const Data& b) { return merge(a, b); };
auto g = [&](const Data& a, ll b) { return a.apply(b); };
auto h = [&](ll a, ll b) { return a + b; };
Data ti = Data{};
ll ei = 0;
V<Data> init, initrev;
rep(i, N) {
init.push_back(Data{A[i]});
initrev.push_back(Data{-A[i]});
}
LazySegmentTree seg(init, f, g, h, ti, ei);
LazySegmentTree segrev(initrev, f, g, h, ti, ei);
rep(q, Q) {
ini(cmd, L, R);
--L;
if (cmd == 1) {
inl(v);
segsum.update(L, R, v);
seg.update(L, R, v);
segrev.update(L, R, -v);
} else {
ll s = segsum.query(L, R);
if (s % ((R - L) / 2)) {
out("NO");
} else {
ll x = s / ((R - L) / 2);
Data h1 = seg.query(L, R).apply(-x);
Data h2 = segrev.query(L, R);
int ok = 1;
rep(i, B) if (h1.a[i] != h2.a[i]) ok = 0;
out(ok ? "YES" : "NO");
}
}
}
}
void Nyaan::solve() {
int t = 1;
// in(t);
while (t--) q();
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3844kb
input:
8 4 1 2 3 4 5 6 7 8 2 1 8 1 1 4 4 2 1 6 2 1 8
output:
YES NO YES
result:
ok 3 token(s): yes count is 2, no count is 1
Test #2:
score: -100
Time Limit Exceeded
input:
200000 200000 0 0 0 1 1 0 2 1 1 2 0 1 0 0 0 2 1 0 1 2 2 1 2 1 2 0 0 2 1 2 1 0 0 2 0 2 1 1 1 2 0 0 0 0 2 0 1 0 0 2 2 1 1 0 0 2 1 0 2 0 2 1 2 1 0 1 2 1 0 1 2 1 2 1 0 1 2 0 1 0 1 1 0 2 1 2 0 2 2 1 1 2 1 2 2 0 0 1 2 0 0 2 2 0 1 2 2 0 0 1 2 1 2 0 2 0 0 2 0 2 1 0 1 1 1 1 2 1 2 0 1 2 1 0 2 1 0 1 1 2 2 0 1 ...
output:
NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO ...