結果
| 問題 |
No.2404 Vertical Throw Up
|
| コンテスト | |
| ユーザー |
fuppy_kyopro
|
| 提出日時 | 2023-08-04 21:50:06 |
| 言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 7,229 bytes |
| コンパイル時間 | 10,952 ms |
| コンパイル使用メモリ | 289,504 KB |
| 最終ジャッジ日時 | 2025-02-15 22:37:16 |
|
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 20 WA * 10 |
ソースコード
//*
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
//*/
#include <bits/stdc++.h>
// #include <atcoder/all>
// #include <atcoder/convolution>
using namespace std;
// using namespace atcoder;
// #define _GLIBCXX_DEBUG
#define DEBUG(x) cerr << #x << ": " << x << endl;
#define DEBUG_VEC(v) \
cerr << #v << ":"; \
for (int iiiiiiii = 0; iiiiiiii < v.size(); iiiiiiii++) \
cerr << " " << v[iiiiiiii]; \
cerr << endl;
#define DEBUG_MAT(v) \
cerr << #v << endl; \
for (int iv = 0; iv < v.size(); iv++) { \
for (int jv = 0; jv < v[iv].size(); jv++) { \
cerr << v[iv][jv] << " "; \
} \
cerr << endl; \
}
typedef long long ll;
// #define int ll
#define vi vector<int>
#define vl vector<ll>
#define vii vector<vector<int>>
#define vll vector<vector<ll>>
#define vs vector<string>
#define pii pair<int, int>
#define pis pair<int, string>
#define psi pair<string, int>
#define pll pair<ll, ll>
template <class S, class T>
pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) {
return pair<S, T>(s.first + t.first, s.second + t.second);
}
template <class S, class T>
pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); }
template <class S, class T>
ostream &operator<<(ostream &os, pair<S, T> p) {
os << "(" << p.first << ", " << p.second << ")";
return os;
}
#define X first
#define Y second
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep1(i, n) for (int i = 1; i <= (int)(n); i++)
#define rrep(i, n) for (int i = (int)(n)-1; i >= 0; i--)
#define rrep1(i, n) for (int i = (int)(n); i > 0; i--)
#define REP(i, a, b) for (int i = a; i < b; i++)
#define in(x, a, b) (a <= x && x < b)
#define all(c) c.begin(), c.end()
void YES(bool t = true) {
cout << (t ? "YES" : "NO") << endl;
}
void Yes(bool t = true) { cout << (t ? "Yes" : "No") << endl; }
void yes(bool t = true) { cout << (t ? "yes" : "no") << endl; }
void NO(bool t = true) { cout << (t ? "NO" : "YES") << endl; }
void No(bool t = true) { cout << (t ? "No" : "Yes") << endl; }
void no(bool t = true) { cout << (t ? "no" : "yes") << endl; }
template <class T>
bool chmax(T &a, const T &b) {
if (a < b) {
a = b;
return 1;
}
return 0;
}
template <class T>
bool chmin(T &a, const T &b) {
if (a > b) {
a = b;
return 1;
}
return 0;
}
#define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end());
const ll inf = 1000000001;
const ll INF = (ll)1e18 + 1;
const long double pi = 3.1415926535897932384626433832795028841971L;
int popcount(ll t) { return __builtin_popcountll(t); }
// int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
// int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 };
vi dx = {0, 0, -1, 1}, dy = {-1, 1, 0, 0};
vi dx2 = {1, 1, 0, -1, -1, -1, 0, 1}, dy2 = {0, 1, 1, 1, 0, -1, -1, -1};
struct Setup_io {
Setup_io() {
ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
cout << fixed << setprecision(25);
}
} setup_io;
// const ll MOD = 1000000007;
const ll MOD = 998244353;
// #define mp make_pair
//#define endl '\n'
//最小値クエリ
//INFの値によってはすぐオーバーフローするので注意(|ab| < LLONG_MAX/4)
//非順序add非順序query
//http://d.hatena.ne.jp/sune2/20140310/1394440369
struct CHT2 {
CHT2() {
// 番兵
S.insert({L(INF, 0), L(-INF, 0)});
C.insert(cp(L(INF, 0), L(-INF, 0)));
}
// for debug
void print() {
cout << "S : ";
for (auto it : S)
printf("(%lld,%lld)", it.a, it.b);
puts("");
cout << "C : ";
for (auto it : C)
printf("(%lld,%lld)", it.n, it.d);
puts("");
}
// |ab| < LLONG_MAX/4 ???
void add(ll a, ll b) {
const L p(a, b);
It pos = S.insert(p).first;
if (check(*it_m1(pos), p, *it_p1(pos))) {
// 直線(a,b)が不要
S.erase(pos);
return;
}
C.erase(cp(*it_m1(pos), *it_p1(pos)));
{
// 右方向の削除
It it = it_m1(pos);
while (it != S.begin() && check(*it_m1(it), *it, p))
--it;
C_erase(it, it_m1(pos));
S.erase(++it, pos);
pos = S.find(p);
}
{
// 左方向の削除
It it = it_p1(pos);
while (it_p1(it) != S.end() && check(p, *it, *it_p1(it)))
++it;
C_erase(++pos, it);
S.erase(pos, it);
pos = S.find(p);
}
C.insert(cp(*it_m1(pos), *pos));
C.insert(cp(*pos, *it_p1(pos)));
}
ll query(ll x) {
const L &p = (--C.lower_bound(CP(x, 1, L(0, 0))))->p;
return p.a * x + p.b;
}
private:
template <class T>
T it_p1(T a) { return ++a; }
template <class T>
T it_m1(T a) { return --a; }
struct L {
ll a, b;
L(ll a, ll b) : a(a), b(b) {}
bool operator<(const L &rhs) const {
return a != rhs.a ? a > rhs.a : b < rhs.b;
}
};
struct CP {
ll n, d;
L p;
CP(ll _n, ll _d, const L &p) : n(_n), d(_d), p(p) {
if (d < 0) {
n *= -1;
d *= -1;
}
};
bool operator<(const CP &rhs) const {
if (n == INF || rhs.n == -INF) return 0;
if (n == -INF || rhs.n == INF) return 1;
return n * rhs.d < rhs.n * d;
}
};
set<L> S;
set<CP> C;
typedef set<L>::iterator It;
void C_erase(It a, It b) {
for (It it = a; it != b; ++it)
C.erase(cp(*it, *it_p1(it)));
}
CP cp(const L &p1, const L &p2) {
if (p1.a == INF) return CP(-INF, 1, p2);
if (p2.a == -INF) return CP(INF, 1, p2);
return CP(p1.b - p2.b, p2.a - p1.a, p2);
}
bool check(const L &p1, const L &p2, const L &p3) {
if (p1.a == p2.a && p1.b <= p2.b) return 1;
if (p1.a == INF || p3.a == -INF) return 0;
return (p2.a - p1.a) * (p3.b - p2.b) >= (p2.b - p1.b) * (p3.a - p2.a);
}
};
signed main() {
// 多分通らない
int a;
cin >> a;
int q;
cin >> q;
CHT2 cht;
int cnt = 0;
while (q--) {
int ty;
cin >> ty;
if (ty == 1) {
ll s, t;
cin >> s >> t;
ll b = (t - s) * a;
cnt++;
cht.add(-2 * a * s - b, a * s * s + b * s);
} else {
if (cnt == 0) {
cout << 0 << endl;
continue;
}
ll t;
cin >> t;
ll mi = cht.query(t);
ll ans = -mi;
ans -= a * t * t;
if (ans <= 0) {
cout << 0 << endl;
} else {
cout << ans << endl;
}
}
}
}
fuppy_kyopro