Submission #549277

# Submission time Handle Problem Language Result Execution time Memory
549277 2022-04-15T13:50:08 Z Bungmint trapezoid (balkan11_trapezoid) C++17
30 / 100
176 ms 15228 KB
//Copyright © 2022 Youngmin Park. All rights reserved.
//#pragma GCC optimize("O3")
//#pragma GCC target("avx2")
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using vi = vector<int>;
using pii = pair<int, int>;
using vpi = vector<pii>;
using pll = pair<ll, ll>;
using vl = vector<ll>;
using vpl = vector<pll>;
using ld = long double;
template <typename T, size_t SZ>
using ar = array<T, SZ>;

#define all(v) (v).begin(), (v).end()
#define pb push_back
#define sz(x) (int)(x).size()
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define FOR(i, a, b) for (int i = (a); i < (b); ++i)
#define F0R(i, a) FOR(i, 0, a)
#define ROF(i, a, b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i, a) ROF(i, 0, a)
#define REP(a) F0R(_, a)

const int INF = 1e9;
const ll LINF = 1e18;
const int MOD = 1e9 + 7; //998244353;
const ld PI = acos((ld)-1.0);
const int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
template <typename T>
using pqg = priority_queue<T, vector<T>, greater<T>>;
template <typename T>
bool ckmin(T &a, const T &b) { return b < a ? a = b, 1 : 0; }
template <typename T>
bool ckmax(T &a, const T &b) { return b > a ? a = b, 1 : 0; }

template <typename A, typename B>
ostream &operator<<(ostream &os, const pair<A, B> &p)
{
    return os << '(' << p.first << ", " << p.second << ')';
}
template <typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type>
ostream &operator<<(ostream &os, const T_container &v)
{
    os << '{';
    string sep;
    for (const T &x : v)
        os << sep << x, sep = ", ";
    return os << '}';
}
void dbg_out()
{
    cerr << endl;
}
template <typename Head, typename... Tail>
void dbg_out(Head H, Tail... T)
{
    cerr << ' ' << H;
    dbg_out(T...);
}
#ifdef LOCAL
#define dbg(...) cerr << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__)
#else
#define dbg(...) 42
#endif

inline namespace RecursiveLambda{
	template <typename Fun>
	struct y_combinator_result{
		Fun fun_;
		template <typename T> 
		explicit y_combinator_result(T &&fun): fun_(forward<T>(fun)){}
		template <typename...Args>
		decltype(auto) operator()(Args &&...args){
			return fun_(ref(*this), forward<Args>(args)...);
		}
	};
	template <typename Fun>
	decltype(auto) y_combinator(Fun &&fun){
		return y_combinator_result<decay_t<Fun>>(forward<Fun>(fun));
	}
};

void setIO(string s) // USACO
{
	#ifndef LOCAL
	    freopen((s + ".in").c_str(), "r", stdin);
	    freopen((s + ".out").c_str(), "w", stdout);
	#endif
}

template<typename T, typename Merge = plus<T>>
struct SegTree{
	int sz;
	const Merge merge;
	vector<T> t;
	SegTree(int n) : merge(Merge()) {
		sz = 1;
		while (sz<n) sz*=2;
		t.resize(sz*2);
	}
	void build(vector<T> &vec, int x, int l, int r)
	{
	    if (r - l == 1)
	    {
	        if (l < (int)vec.size())
	            t[x] = vec[l];
	        return;
	    }
	    int mid = (l + r) / 2;
	    build(vec, 2 * x + 1, l, mid);
	    build(vec, 2 * x + 2, mid, r);
	    t[x] = merge(t[2 * x + 1], t[2 * x + 2]);
	}
	void build(vector<T> &vec)
	{
	    build(vec, 0, 0, sz);
	}
	void upd(int i, const T& v, int x, int l, int r)
	{
	    if (r - l == 1)
	    {
	        t[x] = v;
	        return;
	    }
	    int mid = (l + r) / 2;
	    if (i < mid)
	        upd(i, v, 2 * x + 1, l, mid);
	    else
	        upd(i, v, 2 * x + 2, mid, r);
	    t[x] = merge(t[2 * x + 1], t[2 * x + 2]);
	}
	void upd(int i, const T& v)
	{
	    upd(i, v, 0, 0, sz);
	}
	T query(int l, int r, int x, int lx, int rx)
	{
	    if (lx >= r || rx <= l)
	        return T();
	    if (lx >= l && rx <= r)
	        return t[x];
	    int mid = (lx + rx) / 2;
	    T a = query(l, r, 2 * x + 1, lx, mid);
	    T b = query(l, r, 2 * x + 2, mid, rx);
	    return merge(a, b);
	}
	T query(int l, int r)
	{
	    return query(l, r, 0, 0, sz);
	}
};


const int mod = 30013;
struct Node {
	int mx, cnt;
	Node(int x = 0, int c = 0) : mx(x), cnt(c) {}
	Node operator+(const Node& other) const {
		Node res = {};
		if (mx == other.mx) res.mx = mx, res.cnt = (cnt + other.cnt) % mod;
		else{
			if (mx > other.mx) res = *this;
			else res = other;
		}
		return res;
	}
};


vi xs, ys;
void insert_x(int x) {
	xs.pb(x);
}
void insert_y(int x) {
	ys.pb(x);
}
int get_x(int x) {
	return lb(all(xs), x) - xs.begin();
}
int get_y(int y) {
	return lb(all(ys), y) - ys.begin();
}
pii conv(pii a) {
	return {get_x(a.fi), get_y(a.se)};
}

void solve()
{
	int n;
	cin >> n;
	vector<pair<pii, pii>> a(n);
	vector<ar<int, 4>> todo;
	vector<Node> b(n);
	SegTree<Node> seg(2 * n + 2);
	for (auto &[x, y] : a) {
		cin >> x.fi >> x.se >> y.fi >> y.se;
		insert_x(x.fi), insert_x(x.se);
		insert_y(y.fi), insert_y(y.se);
	}
	insert_x(0); insert_y(0);
	insert_x(INF + 1), insert_y(INF + 1);
	pii st = {0, 0}, en = {INF + 1, INF + 1};
	sort(all(xs)), xs.resize(unique(all(xs)) - xs.begin());
	sort(all(ys)), ys.resize(unique(all(ys)) - ys.begin());
	F0R(i, n) {
		auto &[x, y] = a[i];
		x = conv(x), y = conv(y);
		todo.pb({x.fi, y.fi, 1, i});
		todo.pb({x.se, y.se, -1, i});
	}
	st = conv(st), en = conv(en);
	seg.upd(st.se, Node(0, 1));
	sort(all(todo));
	for (auto &[x, y, t, id] : todo) {
		if (t == -1) {
			seg.upd(y, b[id]);
		}else{
			b[id] = seg.query(0, y);
			b[id].mx++;
		}
	}
	Node ans = seg.query(0, en.se);
	cout << ans.mx << ' ' << ans.cnt << '\n';
}

int main()
{
    cin.tie(0)->sync_with_stdio(0);
    cin.exceptions(cin.failbit);
    int testcase=1;
    // cin >> testcase;	
    while (testcase--)
    {
        solve();
    }
}

Compilation message

trapezoid.cpp: In function 'void setIO(std::string)':
trapezoid.cpp:94:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   94 |      freopen((s + ".in").c_str(), "r", stdin);
      |      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
trapezoid.cpp:95:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   95 |      freopen((s + ".out").c_str(), "w", stdout);
      |      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Incorrect 1 ms 340 KB Output isn't correct
4 Correct 2 ms 468 KB Output is correct
5 Incorrect 3 ms 596 KB Output isn't correct
6 Incorrect 4 ms 852 KB Output isn't correct
7 Correct 5 ms 980 KB Output is correct
8 Incorrect 7 ms 1236 KB Output isn't correct
9 Incorrect 19 ms 2232 KB Output isn't correct
10 Correct 28 ms 3900 KB Output is correct
11 Incorrect 46 ms 4164 KB Output isn't correct
12 Incorrect 77 ms 7876 KB Output isn't correct
13 Incorrect 107 ms 8424 KB Output isn't correct
14 Incorrect 111 ms 13324 KB Output isn't correct
15 Incorrect 141 ms 13624 KB Output isn't correct
16 Incorrect 148 ms 13920 KB Output isn't correct
17 Incorrect 149 ms 14272 KB Output isn't correct
18 Correct 132 ms 14600 KB Output is correct
19 Incorrect 164 ms 14944 KB Output isn't correct
20 Incorrect 176 ms 15228 KB Output isn't correct