답안 #125950

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
125950 2019-07-06T15:07:19 Z faustaadp 사다리꼴 (balkan11_trapezoid) C++17
35 / 100
500 ms 20080 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]!=-1)
	{
		if(aa<bb)
		{
			LZ[ee*2]=LZ[ee];
			LZ[ee*2+1]=LZ[ee];
		}
		ST2[ee]=0;
		//ST[ee]=LZ[ee];
		LZ[ee]=-1;
	}
	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(LZ[ee]!=-1)
	{
		if(aa<bb)
		{
			LZ[ee*2]=LZ[ee];
			LZ[ee*2+1]=LZ[ee];
		}
		ST2[ee]=0;
		//ST[ee]=LZ[ee];
		LZ[ee]=-1;
	}
	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]!=-1)
	{
		if(aa<bb)
		{
			LZ[ee*2]=LZ[ee];
			LZ[ee*2+1]=LZ[ee];
		}
		ST2[ee]=0;
		//ST[ee]=LZ[ee];
		LZ[ee]=-1;
	}
	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,ll ff)
{
	if(LZ[ee]!=-1)
	{
		if(aa<bb)
		{
			LZ[ee*2]=LZ[ee];
			LZ[ee*2+1]=LZ[ee];
		}
		ST2[ee]=0;
		//ST[ee]=LZ[ee];
		LZ[ee]=-1;
	}
	if(bb<cc||dd<aa)return ;
	else
	//if(cc<=aa&&bb<=dd)
	if(aa==bb)
	{
		ST2[ee]=0;
		//ST[ee]=ff;
		if(aa<bb)
		{
			LZ[ee*2]=ff;
			LZ[ee*2+1]=ff;
		}
	}
	else
	{
		ll ce=(aa+bb)/2;
		kos(aa,ce,cc,dd,ee*2,ff);
		kos(ce+1,bb,cc,dd,ee*2+1,ff);
		ST2[ee]=(ST2[ee*2]+ST2[ee*2+1])%mo;
		ST[ee]=max(ST[ee*2],ST[ee*2+1]);
	}
}
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;
		memset(LZ,-1,sizeof(LZ));
		for(i=n;i>=1;i--)
		{
			if(que(1,K,me[A[i].se.fi],K,1)<=d[i])
			{
				ll L=K+1,R=me[A[i].se.fi],C,H=-1;
				R=0;
				// 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;
				// } 
				for(j=i;j<=n;j++)
					if(A[j].se.fi<A[i].se.fi&&d[j]<d[i])
					{
						L=min(L,(ll)me[A[j].se.fi]);
						R=max(R,(ll)me[A[j].se.fi]);
					}
				//kos(1,K,me[A[j].se.fi],me[A[j].se.fi],1,d[i]);
				kos(1,K,L,R,1,d[i]);
				//if(H!=-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:159:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(i=0;i<z.size();i++)
          ~^~~~~~~~~
trapezoid.cpp:189:31: warning: unused variable 'C' [-Wunused-variable]
     ll L=K+1,R=me[A[i].se.fi],C,H=-1;
                               ^
trapezoid.cpp:189:33: warning: unused variable 'H' [-Wunused-variable]
     ll L=K+1,R=me[A[i].se.fi],C,H=-1;
                                 ^
trapezoid.cpp:215:13: 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 6 ms 5880 KB Output is correct
2 Correct 7 ms 5880 KB Output is correct
3 Partially correct 10 ms 6008 KB Partially correct
4 Correct 12 ms 6008 KB Output is correct
5 Partially correct 38 ms 6392 KB Partially correct
6 Partially correct 86 ms 6392 KB Partially correct
7 Correct 35 ms 6520 KB Output is correct
8 Partially correct 114 ms 6808 KB Partially correct
9 Partially correct 336 ms 7800 KB Partially correct
10 Correct 256 ms 9676 KB Output is correct
11 Execution timed out 1084 ms 10360 KB Time limit exceeded
12 Execution timed out 1084 ms 13168 KB Time limit exceeded
13 Execution timed out 1075 ms 15064 KB Time limit exceeded
14 Execution timed out 1083 ms 16652 KB Time limit exceeded
15 Execution timed out 1088 ms 18272 KB Time limit exceeded
16 Execution timed out 1073 ms 17884 KB Time limit exceeded
17 Execution timed out 1087 ms 19440 KB Time limit exceeded
18 Execution timed out 1087 ms 19308 KB Time limit exceeded
19 Execution timed out 1084 ms 19448 KB Time limit exceeded
20 Execution timed out 1088 ms 20080 KB Time limit exceeded