結果
| 問題 |
No.2627 Unnatural Pitch
|
| コンテスト | |
| ユーザー |
Kude
|
| 提出日時 | 2024-02-09 23:49:00 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,721 bytes |
| コンパイル時間 | 4,281 ms |
| コンパイル使用メモリ | 309,900 KB |
| 実行使用メモリ | 43,524 KB |
| 最終ジャッジ日時 | 2024-09-28 16:42:04 |
| 合計ジャッジ時間 | 9,433 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 15 WA * 8 |
ソースコード
#include<bits/stdc++.h>
namespace {
#pragma GCC diagnostic ignored "-Wunused-function"
#include<atcoder/all>
#pragma GCC diagnostic warning "-Wunused-function"
using namespace std;
using namespace atcoder;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; i--)
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } else return false; }
template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return true; } else return false; }
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<ll>;
using VVL = vector<VL>;
auto floor_div(signed_integral auto x, signed_integral auto y) {
return x / y - ((x ^ y) < 0 && x % y != 0);
}
template <integral T>
T floor_div(T x, unsigned_integral auto y) {
return x >= 0 ? T(x / y) : -T(-x / y + (-x % y != 0));
}
auto ceil_div(signed_integral auto x, signed_integral auto y) {
return x / y + ((x ^ y) >= 0 && x % y != 0);
}
template <integral T>
T ceil_div(T x, unsigned_integral auto y) {
return x >= 0 ? T(x / y + (x % y != 0)) : -T(-x / y);
}
constexpr long long INF = 1002003004005006007;
template <class S>
struct value_compression : vector<S> {
bool built = false;
using VS = vector<S>;
using VS::VS;
value_compression(vector<S> v) : vector<S>(move(v)) {}
void build() {
sort(this->begin(), this->end());
this->erase(unique(this->begin(), this->end()), this->end());
built = true;
}
template <class T>
void convert(T first, T last) {
assert(built);
for (; first != last; ++first) *first = (*this)(*first);
}
int operator()(S x) {
assert(built);
return lower_bound(this->begin(), this->end(), x) - this->begin();
}
void clear() {
this->clear();
built = false;
}
};
} int main() {
ios::sync_with_stdio(false);
cin.tie(0);
int n, k;
ll l, r;
cin >> n >> k >> l >> r;
r++;
VL addl, addr;
vector<tuple<int, int, ll, ll>> add_seg;
rep(_, n) {
ll a;
cin >> a;
ll la = l - a, ra = r - a;
auto lc = ceil_div(la, k);
auto rc = ceil_div(ra, k) - 1;
addl.emplace_back(lc);
addr.emplace_back(rc);
int nxt_l = (la - 1) % k;
if (nxt_l < 0) nxt_l += k;
int nxt_r = (ra - 1) % k;
if (nxt_r < 0) nxt_r += k;
if (nxt_l) add_seg.emplace_back(nxt_l, -1, -INF, lc);
if (nxt_r) add_seg.emplace_back(nxt_r, 1, rc, INF);
}
value_compression<ll> vc;
for (ll x : addl) vc.emplace_back(x);
for (ll x : addr) vc.emplace_back(x);
for (auto [t, v, l, r] : add_seg) vc.emplace_back(l), vc.emplace_back(r);
vc.build();
int sz = vc.size();
VL init(sz);
{
ll a = 0, b = 0;
sort(rall(addl));
sort(rall(addr));
for (ll x : addl) a--, b += x;
rep(i, sz) {
ll x = vc[i];
while (addl.size() && addl.back() == x) {
a++, b -= x;
addl.pop_back();
}
while (addr.size() && addr.back() == x) {
a++, b -= x;
addr.pop_back();
}
ll v;
if (__builtin_mul_overflow(x, a, &v)) v = INF;
else v += b;
init[i] = v;
}
}
lazy_segtree<ll, [](ll x, ll y) { return min(x, y); }, []() { return INF; }, int, [](int f, ll x) { return x >= INF ? INF : x + f; }, [](int f, int g) { return f + g; }, []() { return 0; }> seg(init);
sort(rall(add_seg));
ll ans = seg.all_prod();
rep(r, k) {
while (add_seg.size() && get<0>(add_seg.back()) == r) {
auto [_, v, l, r] = add_seg.back();
add_seg.pop_back();
seg.apply(vc(l), vc(r), v);
}
chmin(ans, seg.all_prod());
}
assert(add_seg.empty());
cout << ans << '\n';
}
Kude