답안 #125815

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
125815 2019-07-06T11:55:31 Z faustaadp 사다리꼴 (balkan11_trapezoid) C++17
37 / 100
500 ms 20508 KB
#include<bits/stdc++.h>
typedef long long ll;
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
int n,i,ta,tb,tc,td,j,h1,h2,d[101010],d2[101010],mo=30013,K,ST[808080],ST2[808080],D[101010],LZ[808080];
vector<int> v[101010],z;
pair<pair<int,int>,pair<int,int> > A[101010];
map<int,int> me;
int depe(int aa)
{
	if(d[aa]==-1)
	{
		d[aa]=0;
		int ii;
		for(ii=0;ii<v[aa].size();ii++)
			d[aa]=max(d[aa],depe(v[aa][ii]));
		d[aa]++;
	}
	return d[aa];
}
int depe2(int aa)
{
	if(depe(aa)==1)return 1;
	if(d2[aa]==-1)
	{
		d2[aa]=0;
		int ii;
		for(ii=0;ii<v[aa].size();ii++)
			if(depe(aa)==depe(v[aa][ii])+1)
				d2[aa]=(d2[aa]+depe2(v[aa][ii]))%mo;
	}
	return d2[aa];
}
void upd(ll aa,ll bb,ll cc,ll dd,ll ee,ll ff)
{
	if(LZ[ee])
	{
		if(aa<bb)
		{
			LZ[ee*2]=1;
			LZ[ee*2+1]=1;
		}
		LZ[ee]=0;
		ST2[ee]=0;
	}
	if(aa==bb)
	{
		ST[ee]=dd;
		ST2[ee]+=ff;
		ST2[ee]%=mo;
	}
	else
	{
		ll ce=(aa+bb)/2;
		if(cc<=ce)
			upd(aa,ce,cc,dd,ee*2,ff);
		else
			upd(ce+1,bb,cc,dd,ee*2+1,ff);
		ST[ee]=max(ST[ee*2],ST[ee*2+1]);
		ST2[ee]=(ST2[ee*2]+ST2[ee*2+1])%mo;
	}
}
ll que(ll aa,ll bb,ll cc,ll dd,ll ee)
{
	if(bb<cc||dd<aa)return 0;
	else
	if(cc<=aa&&bb<=dd)return ST[ee];
	else
	{
		ll ce=(aa+bb)/2;
		return max(que(aa,ce,cc,dd,ee*2),que(ce+1,bb,cc,dd,ee*2+1));
	}
}
ll que2(ll aa,ll bb,ll cc,ll dd,ll ee)
{
	if(LZ[ee])
	{
		if(aa<bb)
		{
			LZ[ee*2]=1;
			LZ[ee*2+1]=1;
		}
		LZ[ee]=0;
		ST2[ee]=0;
	}
	if(bb<cc||dd<aa)return 0;
	else
	if(cc<=aa&&bb<=dd)return ST2[ee];
	else
	{
		ll ce=(aa+bb)/2;
		return ((que2(aa,ce,cc,dd,ee*2)+que2(ce+1,bb,cc,dd,ee*2+1))%mo);
	}
}
void kos(ll aa,ll bb,ll cc,ll dd,ll ee)
{
	if(LZ[ee])
	{
		if(aa<bb)
		{
			LZ[ee*2]=1;
			LZ[ee*2+1]=1;
		}
		LZ[ee]=0;
		ST2[ee]=0;
	}
	if(bb<cc||dd<aa)return ;
	else
	if(cc<=aa&&bb<=dd)
	{
		ST2[ee]=0;
		if(aa<bb)
		{
			LZ[ee*2]=0;
			LZ[ee*2+1]=0;
		}
	}
	else
	{
		ll ce=(aa+bb)/2;
		kos(aa,ce,cc,dd,ee*2);
		kos(ce+1,bb,cc,dd,ee*2+1);
		ST2[ee]=(ST2[ee*2]+ST2[ee*2+1])%mo;
	}
}
int main()
{
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>n;
	K=n*2;
	for(i=1;i<=n;i++)
	{
		cin>>ta>>tb>>tc>>td;
		A[i]=mp(mp(ta,tb),mp(tc,td));
		z.pb(tc);
		z.pb(td+1);
	}
	sort(z.begin(),z.end());
	for(i=0;i<z.size();i++)
		me[z[i]]=i+1;
	if(1)
	{
		sort(A+1,A+1+n);
		for(i=1;i<=n;i++)
		{
			int L=i+1,R=n,C,H=0;
			while(L<=R)
			{
				C=(L+R)/2;
				if(A[i].fi.se<A[C].fi.fi)
				{
					H=C;
					R=C-1;
				}
				else
					L=C+1;
			}
			if(H)
				v[H].pb(i);
		}
		//return 0;
		for(i=n;i>=1;i--)d[i]=1;
		for(i=n;i>=1;i--)d2[i]=1;
		for(i=n;i>=1;i--)
		{
			if(que(1,K,me[A[i].se.fi],K,1)<=d[i])
			{
				ll L=1,R=me[A[i].se.fi],C,H=-1;
				while(L<=R)
				{
					C=(L+R)/2;
					if(que(1,K,C,me[A[i].se.fi],1)<d[i])
					{
						H=C;
						R=C-1;
					}
					else
						L=C+1;
				}
				if(H!=-1)
					kos(1,K,H,me[A[i].se.fi],1);
				//cout<<i<<" "<<me[A[i].se.fi]<<" "<<H<<"_\n";
				//cout<<"upd "<<i<<" "<<me[A[i].se.fi]<<" "<<d[i]<<"___\n";
				upd(1,K,me[A[i].se.fi],d[i],1,d2[i]);
			}
			for(j=0;j<v[i].size();j++)
			{
				int now=v[i][j];
				d[now]=que(1,K,me[A[now].se.se+1],K,1)+1;
				ll L=me[A[now].se.se+1],R=K,C,H=0;
				while(L<=R)
				{
					C=(L+R)/2;
					if(que(1,K,me[A[now].se.se+1],C,1)+1==d[now])
					{
						H=C;
						R=C-1;
					}
					else
						L=C+1;
				}
				L=H,R=K;
				ll H2=K;
				while(L<=R)
				{
					C=(L+R)/2;
					if((que(1,K,C,K,1)+1)!=d[now])
					{
						H2=C-1;
						R=C-1;
					}
					else
						L=C+1;
				}
				if(d[now]==1)d2[now]=1;
				else
				{
			//		cout<<now<<"___ "<<H<<" "<<H2<<"@\n";
					d2[now]=que2(1,K,H,H2,1);
				}
			}
		//	cout<<i<<" "<<d[i]<<" "<<d2[i]<<"\n";
			h1=max(h1,d[i]);
		}
	//	cout<<"A";
		for(i=1;i<=n;i++)
			if(h1==d[i])
				h2=(h2+d2[i])%mo;
	}
	else
	{
		for(i=1;i<=n;i++)
			for(j=1;j<=n;j++)
				if(A[i].fi.se<A[j].fi.fi&&A[i].se.se<A[j].se.fi)
					v[i].pb(j);
		memset(d,-1,sizeof(d));
		memset(d2,-1,sizeof(d2));
		for(i=1;i<=n;i++)
			h1=max(h1,depe(i));
		for(i=1;i<=n;i++)
			if(depe(i)==h1)
				h2=(h2+depe2(i))%mo;
	}
	cout<<h1<<" "<<h2<<"\n";	
}

Compilation message

trapezoid.cpp: In function 'int depe(int)':
trapezoid.cpp:18:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(ii=0;ii<v[aa].size();ii++)
            ~~^~~~~~~~~~~~~
trapezoid.cpp: In function 'int depe2(int)':
trapezoid.cpp:31:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(ii=0;ii<v[aa].size();ii++)
            ~~^~~~~~~~~~~~~
trapezoid.cpp: In function 'int main()':
trapezoid.cpp:142:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(i=0;i<z.size();i++)
          ~^~~~~~~~~
trapezoid.cpp:189:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(j=0;j<v[i].size();j++)
            ~^~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 2808 KB Output is correct
2 Correct 5 ms 2808 KB Output is correct
3 Partially correct 8 ms 2808 KB Partially correct
4 Correct 10 ms 2936 KB Output is correct
5 Partially correct 19 ms 3064 KB Partially correct
6 Partially correct 29 ms 3320 KB Partially correct
7 Correct 28 ms 3576 KB Output is correct
8 Partially correct 39 ms 3676 KB Partially correct
9 Partially correct 93 ms 4728 KB Partially correct
10 Correct 171 ms 6904 KB Output is correct
11 Partially correct 314 ms 7544 KB Partially correct
12 Execution timed out 637 ms 12400 KB Time limit exceeded
13 Execution timed out 836 ms 13988 KB Time limit exceeded
14 Execution timed out 1079 ms 18544 KB Time limit exceeded
15 Execution timed out 1073 ms 18672 KB Time limit exceeded
16 Execution timed out 1086 ms 19384 KB Time limit exceeded
17 Execution timed out 1084 ms 20224 KB Time limit exceeded
18 Execution timed out 1082 ms 19720 KB Time limit exceeded
19 Execution timed out 1081 ms 19920 KB Time limit exceeded
20 Execution timed out 1091 ms 20508 KB Time limit exceeded