結果

問題 No.2698 Many Asakatsu
ユーザー ecotteaecottea
提出日時 2024-03-23 02:14:07
言語 C++17(gcc12)
(gcc 12.3.0 + boost 1.87.0)
結果
AC  
実行時間 465 ms / 2,000 ms
コード長 14,507 bytes
コンパイル時間 5,049 ms
コンパイル使用メモリ 274,724 KB
実行使用メモリ 9,600 KB
最終ジャッジ日時 2024-09-30 13:01:07
合計ジャッジ時間 10,419 ms
ジャッジサーバーID
(参考情報)
judge3 / judge5
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 32
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#ifndef HIDDEN_IN_VS //
//
#define _CRT_SECURE_NO_WARNINGS
//
#include <bits/stdc++.h>
using namespace std;
//
using ll = long long; using ull = unsigned long long; // -2^63 2^63 = 9 * 10^18int -2^31 2^31 = 2 * 10^9
using pii = pair<int, int>; using pll = pair<ll, ll>; using pil = pair<int, ll>; using pli = pair<ll, int>;
using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using vvvvi = vector<vvvi>;
using vl = vector<ll>; using vvl = vector<vl>; using vvvl = vector<vvl>; using vvvvl = vector<vvvl>;
using vb = vector<bool>; using vvb = vector<vb>; using vvvb = vector<vvb>;
using vc = vector<char>; using vvc = vector<vc>; using vvvc = vector<vvc>;
using vd = vector<double>; using vvd = vector<vd>; using vvvd = vector<vvd>;
template <class T> using priority_queue_rev = priority_queue<T, vector<T>, greater<T>>;
using Graph = vvi;
//
const double PI = acos(-1);
const vi DX = { 1, 0, -1, 0 }; // 4
const vi DY = { 0, 1, 0, -1 };
int INF = 1001001001; ll INFL = 4004004003104004004LL; // (int)INFL = 1010931620;
//
struct fast_io { fast_io() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(18); } } fastIOtmp;
//
#define all(a) (a).begin(), (a).end()
#define sz(x) ((int)(x).size())
#define lbpos(a, x) (int)distance((a).begin(), std::lower_bound(all(a), x))
#define ubpos(a, x) (int)distance((a).begin(), std::upper_bound(all(a), x))
#define Yes(b) {cout << ((b) ? "Yes\n" : "No\n");}
#define rep(i, n) for(int i = 0, i##_len = int(n); i < i##_len; ++i) // 0 n-1
#define repi(i, s, t) for(int i = int(s), i##_end = int(t); i <= i##_end; ++i) // s t
#define repir(i, s, t) for(int i = int(s), i##_end = int(t); i >= i##_end; --i) // s t
#define repe(v, a) for(const auto& v : (a)) // a
#define repea(v, a) for(auto& v : (a)) // a
#define repb(set, d) for(int set = 0, set##_ub = 1 << int(d); set < set##_ub; ++set) // d
#define repis(i, set) for(int i = lsb(set), bset##i = set; i >= 0; bset##i -= 1 << i, i = lsb(bset##i)) // set
#define repp(a) sort(all(a)); for(bool a##_perm = true; a##_perm; a##_perm = next_permutation(all(a))) // a
#define smod(n, m) ((((n) % (m)) + (m)) % (m)) // mod
#define uniq(a) {sort(all(a)); (a).erase(unique(all(a)), (a).end());} //
#define EXIT(a) {cout << (a) << endl; exit(0);} //
#define inQ(x, y, u, l, d, r) ((u) <= (x) && (l) <= (y) && (x) < (d) && (y) < (r)) //
//
template <class T> inline ll powi(T n, int k) { ll v = 1; rep(i, k) v *= n; return v; }
template <class T> inline bool chmax(T& M, const T& x) { if (M < x) { M = x; return true; } return false; } // true
    
template <class T> inline bool chmin(T& m, const T& x) { if (m > x) { m = x; return true; } return false; } // true
    
template <class T> inline T get(T set, int i) { return (set >> i) & T(1); }
//
template <class T, class U> inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; }
template <class T> inline istream& operator>>(istream& is, vector<T>& v) { repea(x, v) is >> x; return is; }
template <class T> inline vector<T>& operator--(vector<T>& v) { repea(x, v) --x; return v; }
template <class T> inline vector<T>& operator++(vector<T>& v) { repea(x, v) ++x; return v; }
#endif //
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
#ifdef _MSC_VER
#include "localACL.hpp"
#endif
//using mint = modint1000000007;
using mint = modint998244353;
//using mint = modint; // mint::set_mod(m);
namespace atcoder {
inline istream& operator>>(istream& is, mint& x) { ll x_; is >> x_; x = x_; return is; }
inline ostream& operator<<(ostream& os, const mint& x) { os << x.val(); return os; }
}
using vm = vector<mint>; using vvm = vector<vm>; using vvvm = vector<vvm>; using vvvvm = vector<vvvm>; using pim = pair<int, mint>;
#endif
#ifdef _MSC_VER // Visual Studio
#include "local.hpp"
#else // gcc
inline int popcount(int n) { return __builtin_popcount(n); }
inline int popcount(ll n) { return __builtin_popcountll(n); }
inline int lsb(int n) { return n != 0 ? __builtin_ctz(n) : -1; }
inline int lsb(ll n) { return n != 0 ? __builtin_ctzll(n) : -1; }
inline int msb(int n) { return n != 0 ? (31 - __builtin_clz(n)) : -1; }
inline int msb(ll n) { return n != 0 ? (63 - __builtin_clzll(n)) : -1; }
#define dump(...)
#define dumpel(v)
#define dump_list(v)
#define dump_mat(v)
#define input_from_file(f)
#define output_to_file(f)
#define Assert(b) { if (!(b)) while (1) cout << "OLE"; }
#endif
//O(1)
/*
* Σi∈[i0..i1) (a i + b)
*/
template<class T>
T arithmetic_series(T a, T b, ll i0, ll i1) {
// verify : https://atcoder.jp/contests/arc035/tasks/arc035_b
if (i0 >= i1) return 0;
// 2^(-1) 2
if ((i1 - i0) % 2 == 0) {
return a * (i1 + i0 - 1) * ((i1 - i0) / 2) + b * (i1 - i0);
}
else {
return a * ((i1 + i0 - 1) / 2) * (i1 - i0) + b * (i1 - i0);
}
}
void WA() {
int n; ll m;
cin >> n >> m;
vl a(n), b(n);
rep(i, n) cin >> a[i] >> b[i];
int q; ll x;
cin >> q >> x;
vl c(n);
cin >> c;
vi res(q);
int j = 0; ll r = x;
rep(i, q) {
while (1) {
// d[i][j] <= r
// a[i] + b[i] * j <= r
// b[i] * j <= r - a[i]
ll th = m - 1;
if (b[j] != 0) {
if (r - a[j] >= 0) th = (r - a[j]) / b[j];
else th = -1;
chmin(th, m - 1);
}
else {
if (a[j] <= r) th = m - 1;
else th = -1;
}
ll dif = 0;
dif += arithmetic_series(-b[j], r - a[j], 0, th + 1);
dif += arithmetic_series(b[j], -r + a[j], th + 1, m);
dump(dif);
ll ndif = INFL;
if (j < n - 1) {
j++;
ll th = m - 1;
if (b[j] != 0) {
if (r - a[j] >= 0) th = (r - a[j]) / b[j];
else th = -1;
chmin(th, m - 1);
}
else {
if (a[j] <= r) th = m - 1;
else th = -1;
}
ndif = 0;
ndif += arithmetic_series(-b[j], r - a[j], 0, th + 1);
ndif += arithmetic_series(b[j], -r + a[j], th + 1, m);
dump(ndif);
j--;
}
if (dif <= ndif) {
res[i] = j;
r += c[j];
break;
}
else {
j++;
}
}
}
rep(i, q) cout << res[i] + 1 << " \n"[i == q - 1];
}
//O(log(r - l))
/*
* - → 0 → + f(x) (l..r) x
* x
*/
template <class FUNC>
ll random_ternary_search_min(ll l, ll r, const FUNC& f) {
// verify : https://yukicoder.me/problems/no/2627
static bool first_call = true;
static mt19937 mt;
static uniform_int_distribution<ll> rnd;
if (first_call) {
first_call = false;
mt.seed((int)time(NULL));
rnd = uniform_int_distribution<ll>(0, INFL);
}
while (r - l > 2) {
ll m1 = l + 1 + rnd(mt) % (r - l - 1);
ll m2 = l + 1 + rnd(mt) % (r - l - 1);
if (m1 == m2) continue;
if (m1 > m2) swap(m1, m2);
if (f(m1) > f(m2)) l = m1; //
else r = m2;
}
return l + 1;
/* f
auto f = [&](ll x) {
return x;
};
*/
}
void WA_TLE() {
int n; ll m;
cin >> n >> m;
vl a(n), b(n);
rep(i, n) cin >> a[i] >> b[i];
int q; ll x;
cin >> q >> x;
vl c(n);
cin >> c;
vi res(q);
ll r = x;
rep(i, q) {
auto f = [&](ll j) {
ll th = m - 1;
if (b[j] != 0) {
if (r - a[j] >= 0) th = (r - a[j]) / b[j];
else th = -1;
chmin(th, m - 1);
}
else {
if (a[j] <= r) th = m - 1;
else th = -1;
}
__int128 dif = 0;
dif += arithmetic_series(-b[j], r - a[j], 0, th + 1);
dif += arithmetic_series(b[j], -r + a[j], th + 1, m);
return dif * n * 2 + j;
};
__int128 val_min = __int128(INFL) * n * 2;
int j_min = -1;
rep(hoge, 500000 / q) {
auto j = random_ternary_search_min(-1, n, f);
auto val = f(j);
if (chmin(val_min, val)) j_min = (int)j;
}
dump(j_min);
res[i] = (int)j_min;
r += c[j_min];
}
rep(i, q) cout << res[i] + 1 << " \n"[i == q - 1];
}
// Li Chao Tree1
/*
* Dynamic_Li_Chao_tree_1cross_func<P, T>(ll x_min, ll x_max, function<T(P p, ll x)> f, P p) : O(1)
* y = f(p; x) (x∈[x_min..x_max])
* p x f(p, x)
*
* add_function(P p) : O(log n)
* y = f(p; x) (x∈[x_min..x_max])
* 1
*
* add_function(ll l, ll r, P p) : O((log n)^2)
* y = f(p; x) (x∈[l..r))
* 1
*
* T get(ll x) : O(log n)
* x y = f(p; x)
*/
template <class P, class T = ll>
class Dynamic_Li_Chao_tree_1cross_func {
// : https://smijake3.hatenablog.com/entry/2018/06/16/144548
struct Node {
P p;
Node* l, * r;
Node(P p) : p(p), l(nullptr), r(nullptr) {}
};
ll x_min, x_max;
Node* root;
// p x f(p; x)
function<T(P p, ll x)> f;
P p_ini;
// [L..R) t f(p; x) (x∈[l..r))
void add_function(Node*& t, ll L, ll R, ll l, ll r, P p) {
if (L == R) return;
// [L..R) [l..r)
if (r <= L || R <= l) return;
//
if (!t) t = new Node(p_ini);
// [L..R)
ll M = (L + R) / 2;
// [L..R) [l..r)
if (L < l || r < R) {
//
add_function(t->l, L, M, l, r, p);
add_function(t->r, M, R, l, r, p);
return;
}
// [L..R) [l..r)
// F0 L, R
T yL0 = f(t->p, L), yR0 = f(t->p, R);
// F1 L, R
T yL1 = f(p, L), yR1 = f(p, R);
// F1 F0 F1
if (yL1 >= yL0 && yR1 >= yR0) return;
// F1 F0 F0 F1
if (yL1 <= yL0 && yR1 <= yR0) {
t->p = p;
return;
}
// F0 M
T yM0 = f(t->p, M);
// F1 M
T yM1 = f(p, M);
// [M..R) F1 F0 [L..M)
if (yM1 >= yM0 && yR1 >= yR0) {
add_function(t->l, L, M, l, r, p);
return;
}
// [L..M) F1 F0 [M..R)
if (yL1 >= yL0 && yM1 >= yM0) {
add_function(t->r, M, R, l, r, p);
return;
}
// [M..R) F1 F0 F1 F0 [L..M)
if (yM1 <= yM0 && yR1 <= yR0) {
swap(t->p, p);
add_function(t->l, L, M, l, r, p);
return;
}
// [L..M) F1 F0 F1 F0 [M..R)
if (yL1 <= yL0 && yM1 <= yM0) {
swap(t->p, p);
add_function(t->r, M, R, l, r, p);
return;
}
}
// [L..R) i y = f(p; x)
T get(Node* t, ll L, ll R, ll x) const {
// [L..R)
ll M = (L + R) / 2;
T y = f(t->p, x);
if (x < M) {
if (t->l) chmin(y, get(t->l, L, M, x));
}
else {
if (t->r) chmin(y, get(t->r, M, R, x));
}
return y;
}
public:
// y = f(p; x) (x∈[x_min..x_max]))
Dynamic_Li_Chao_tree_1cross_func(ll x_min, ll x_max, const function<T(P p, ll x)>& f, const P& p)
: x_min(x_min), x_max(x_max), f(f), p_ini(p), root(nullptr) {
}
Dynamic_Li_Chao_tree_1cross_func() : x_min(-INFL), x_max(INFL), root(nullptr) {}
// y = f(p; x) (x∈[x_min..x_max])
void add_function(const P& p) {
add_function(root, x_min, x_max + 1, x_min, x_max + 1, p);
}
// y = f(p; x) (x∈[l..r))
void add_function(ll l, ll r, const P& p) {
chmax(l, x_min); chmin(r, x_max + 1);
if (l >= r) return;
add_function(root, x_min, x_max + 1, l, r, p);
}
// x y = f(p; x)
T get(ll x) const {
if (!root) return f(p_ini, x);
T y = get(root, x_min, x_max + 1, x);
return y;
}
#ifdef _MSC_VER
friend ostream& operator<<(ostream& os, Dynamic_Li_Chao_tree_1cross_func seg) {
repi(x, seg.x_min, seg.x_max) {
os << seg.get(x) << " ";
}
return os;
}
#endif
};
int main() {
input_from_file("input.txt");
// output_to_file("output.txt");
int n; ll m;
cin >> n >> m;
vl a(n), b(n);
rep(i, n) cin >> a[i] >> b[i];
int q; ll x;
cin >> q >> x;
vl c(n);
cin >> c;
vi res(q);
using P = int;
auto f = [&](P p, ll x) {
if (p == -1) return make_pair(INFL, -1);
ll th = m - 1;
if (b[p] != 0) {
if (x - a[p] >= 0) th = (x - a[p]) / b[p];
else th = -1;
chmin(th, m - 1);
}
else {
if (a[p] <= x) th = m - 1;
else th = -1;
}
ll dif = 0;
dif += arithmetic_series(-b[p], x - a[p], 0, th + 1);
dif += arithmetic_series(b[p], -x + a[p], th + 1, m);
return make_pair(dif, p);
};
Dynamic_Li_Chao_tree_1cross_func<P, pli> D(0, INF, f, -1);
rep(i, n) D.add_function(i);
ll r = x;
rep(t, q) {
dump("-- t:", t, "--");
dump(r);
auto [diff, i] = D.get(r);
dump(diff, i);
res[t] = i;
r += c[i];
chmin<ll>(r, INF); //
}
rep(i, q) cout << res[i] + 1 << " \n"[i == q - 1];
}
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