Submission #1039386

#	Time	Username	Problem	Language	Result	Execution time	Memory
1039386		1L1YA	trapezoid (balkan11_trapezoid)	C++17	46 / 100	109 ms	35012 KiB

trapezoid

//1L1YA

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

//#pragma GCC optimize ("O3,unrool-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")

typedef long long       ll;
typedef pair<ll,ll>     pll;
typedef pair<int,int>   pii;

#define Pb              push_back
#define F               first
#define S               second
#define endl            '\n'
#define sep             ' '
#define all(x)          x.begin(),x.end()
#define al(x,n)         x+1,x+n+1
#define SZ(x)           ((int)x.size())
#define lc              (id<<1)
#define rc              (lc|1)
#define mid             (l+r>>1)
#define dokme(x)        cout << x << endl, exit(0)
#define sik(x)          cout << x << endl;continue;
#define FastIO          ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define FileIO          freopen("input.txt","r",stdin);freopen("output.txt","w",stdout);

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const ll oo=1e18;
const int mod=1e9+7;
const int inf=1e9+111;
const int N=1e5+11;
const int lg=23;

int n,m,a[N],b[N],c[N],d[N];
pii dp[N],fen[N<<2];
vector<int> vc1[N<<2],vc2[N<<2];

void upd(int x,pii y){
	for(;x<=m;x+=x&-x)
		if(y.F>fen[x].F)	fen[x]=y;
		else if(y.F==fen[x].F)	fen[x].S+=y.S;
}

pii get(int x){
	pii ans={0,1};
	for(;x;x-=x&-x)
		if(fen[x].F>ans.F)	ans=fen[x];
		else if(fen[x].F==ans.F)	ans.S+=fen[x].S;
	return ans;
}

int main(){
	FastIO

	cin >> n;
	vector<int> comp;
	for(int i=1;i<=n;i++){
		cin >> a[i] >> b[i] >> c[i] >> d[i];
		comp.Pb(a[i]);comp.Pb(b[i]);comp.Pb(c[i]);comp.Pb(d[i]);
	}
	sort(all(comp));
	comp.resize(unique(all(comp))-comp.begin());
	m=SZ(comp);
	for(int i=1;i<=n;i++){
		a[i]=lower_bound(all(comp),a[i])-comp.begin()+1;
		b[i]=lower_bound(all(comp),b[i])-comp.begin()+1;
		c[i]=lower_bound(all(comp),c[i])-comp.begin()+1;
		d[i]=lower_bound(all(comp),d[i])-comp.begin()+1;
		vc1[a[i]].Pb(i);
		vc2[b[i]].Pb(i);
	}
	for(int i=1;i<=m;i++)	fen[i]={0,0};
	for(int i=1;i<=m;i++){
		for(int j: vc1[i])	dp[j]=get(c[j]-1),dp[j].F++;
		for(int j: vc2[i])	upd(d[j],dp[j]);
	}
	cout << get(m).F << sep << get(m).S << endl;

	return 0;
}

• Subtask 1: 46 / 100