답안 #125778

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
125778 2019-07-06T11:03:13 Z faustaadp 사다리꼴 (balkan11_trapezoid) C++17
26 / 100
500 ms 22768 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 ((que(aa,ce,cc,dd,ee*2)+que(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--)
		{
			if(que(1,K,me[A[i].se.fi],K,1)<=d[i])
			{
				ll L=me[A[i].se.fi],R,C,H=0;
				while(L<=R)
				{
					C=(L+R)/2;
					if(que(1,K,me[A[i].se.fi],C,1)<d[i])
					{
						H=C;
						R=C-1;
					}
					else
						L=C+1;
				}
				kos(1,K,me[A[i].se.fi],H,1);
				upd(1,K,me[A[i].se.fi],d[i],1,0);
			}
			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],C,1)+1==d[now])
					{
						H=C;
						L=C+1;
					}
					else
						R=C-1;
				}
				d2[now]=que2(1,K,me[A[now].se.se+1],H,1);
			}
			h1=max(h1,d[i]);
		}
		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:185:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(j=0;j<v[i].size();j++)
            ~^~~~~~~~~~~~
trapezoid.cpp:173:10: warning: 'R' may be used uninitialized in this function [-Wmaybe-uninitialized]
      C=(L+R)/2;
        ~~^~~
# 결과 실행 시간 메모리 Grader output
1 Partially correct 5 ms 2808 KB Partially correct
2 Partially correct 4 ms 2808 KB Partially correct
3 Partially correct 6 ms 2808 KB Partially correct
4 Partially correct 8 ms 2936 KB Partially correct
5 Partially correct 12 ms 3192 KB Partially correct
6 Partially correct 16 ms 3448 KB Partially correct
7 Partially correct 18 ms 3576 KB Partially correct
8 Partially correct 27 ms 3704 KB Partially correct
9 Partially correct 59 ms 4680 KB Partially correct
10 Partially correct 103 ms 7312 KB Partially correct
11 Partially correct 163 ms 7800 KB Partially correct
12 Partially correct 383 ms 13464 KB Partially correct
13 Partially correct 472 ms 15176 KB Partially correct
14 Execution timed out 580 ms 19628 KB Time limit exceeded
15 Execution timed out 665 ms 18776 KB Time limit exceeded
16 Execution timed out 702 ms 19948 KB Time limit exceeded
17 Execution timed out 758 ms 21612 KB Time limit exceeded
18 Execution timed out 704 ms 20716 KB Time limit exceeded
19 Execution timed out 860 ms 21612 KB Time limit exceeded
20 Execution timed out 940 ms 22768 KB Time limit exceeded