Submission #883715

#	Time	Username	Problem	Language	Result	Execution time	Memory
883715		tsumondai	trapezoid (balkan11_trapezoid)	C++14	43 / 100	97 ms	25012 KiB

trapezoid

#include <bits/stdc++.h>
using namespace std;

#pragma comment(linker, "/stack:336777216")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

#define int long long

#define tl fi.fi
#define tr fi.se
#define dl se.fi
#define dr se.se
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define foru(i, l, r) for(int i = l; i <= r; i++)
#define ford(i, r, l) for(int i = r; i >= l; i--)
#define __TIME  (1.0 * clock() / CLOCKS_PER_SEC)

typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;

const int N = 5e5 + 5;

const int oo = 1e9, mod = 2023;

pair <ii, ii> a[N];

ii bit[N];
int n;
void update (int x, ii val) {
	for (; x <= 2 * n; x += x & -x)
		if (bit[x].fi < val.fi)
			bit[x] = val;
		else if (bit[x].fi == val.fi)
			bit[x].se = (bit[x].se + val.se) % mod;
}

ii get (int x) {
	ii ans = {0, 1};
	for (; x > 0; x -= x & -x)
		if (bit[x].fi > ans.fi)
			ans = bit[x];
		else if (bit[x].fi == ans.fi)
			ans.se = (ans.se + bit[x].se) % mod;
	return ans;
}

ii ret, res[N];
vector <int> t, d;
int g[N], u[N];

void process() {
	cin >> n;
	for (int i = 1; i <= n; ++i) {
		cin >> a[i].tl >> a[i].tr >> a[i].dl >> a[i].dr;
		t.pb(a[i].tl);
		t.pb(a[i].tr);
		d.pb(a[i].dl);
		d.pb(a[i].dr);
	}
	sort(t.begin(), t.end());
	sort(d.begin(), d.end());
	t.erase(unique(t.begin(), t.end()), t.end());
	d.erase(unique(d.begin(), d.end()), d.end());
	for (int i = 1; i <= n; ++i) {
		a[i].tl = lower_bound (t.begin(), t.end(), a[i].tl) - t.begin() + 1;
		a[i].tr = lower_bound (t.begin(), t.end(), a[i].tr) - t.begin() + 1;
		a[i].dl = lower_bound (d.begin(), d.end(), a[i].dl) - d.begin() + 1;
		a[i].dr = lower_bound (d.begin(), d.end(), a[i].dr) - d.begin() + 1;
		g[a[i].tl] = i;
		u[a[i].tr] = i;
	}
	for (int i = 1; i <= 2 * n; i++) {
		if (g[i]) {
			int v = g[i];
			ii f = get(a[v].dl);
			++f.fi;
			res[v] = f;
			if (f.fi > ret.fi)
				ret = f;
			else if (f.fi == ret.fi)
				ret.se = (ret.se + f.se) % mod;
		}
		else {
			int v = u[i];
			update(a[v].dr, res[v]);
		}
	}
	cout << ret.fi << " " << ret.se;
	return;
}


signed main() {
	cin.tie(0)->sync_with_stdio(false);
	//freopen(".inp", "r", stdin);
	//freopen(".out", "w", stdout);
	process();
	cerr << "Time elapsed: " << __TIME << " s.\n";
	return 0;
}

// dont stop

Compilation message (stderr)

trapezoid.cpp:4: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    4 | #pragma comment(linker, "/stack:336777216")
      |

• Subtask 1: 43 / 100