답안 #125951

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
125951 2019-07-06T15:10:15 Z faustaadp 사다리꼴 (balkan11_trapezoid) C++17
31 / 100
500 ms 19376 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&&que(1,K,me[A[j].se.fi],me[A[j].se.fi],1)<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 7 ms 5880 KB Output is correct
2 Correct 7 ms 5880 KB Output is correct
3 Partially correct 11 ms 6008 KB Partially correct
4 Correct 12 ms 6008 KB Output is correct
5 Incorrect 110 ms 6264 KB Output isn't correct
6 Partially correct 215 ms 6508 KB Partially correct
7 Correct 34 ms 6520 KB Output is correct
8 Partially correct 452 ms 6904 KB Partially correct
9 Execution timed out 1082 ms 7672 KB Time limit exceeded
10 Correct 254 ms 9592 KB Output is correct
11 Execution timed out 1077 ms 9976 KB Time limit exceeded
12 Execution timed out 1087 ms 13072 KB Time limit exceeded
13 Execution timed out 1081 ms 14836 KB Time limit exceeded
14 Execution timed out 1068 ms 16124 KB Time limit exceeded
15 Execution timed out 1083 ms 17600 KB Time limit exceeded
16 Execution timed out 1079 ms 17260 KB Time limit exceeded
17 Execution timed out 1088 ms 18596 KB Time limit exceeded
18 Execution timed out 1083 ms 19376 KB Time limit exceeded
19 Execution timed out 1070 ms 18660 KB Time limit exceeded
20 Execution timed out 1091 ms 19308 KB Time limit exceeded