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#603547#6435. Paimon Segment Treebruteforce_WA 1ms3664kbC++202.8kb2024-10-01 17:11:402024-10-01 17:11:40

Judging History

你现在查看的是最新测评结果

  • [2024-10-01 17:11:40]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3664kb
  • [2024-10-01 17:11:40]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N=1e6+7,inf=1e18,mod=998244353;
struct seg
{
	vector<int> val;
	vector<int> tag;
	bool bz;
	seg()
	{
		val.assign(5,0);
		tag.assign(7,0);
		bz=0;
	}
	seg(vector<int> a,vector<int> b,bool c):val(a),tag(b),bz(c){}
	void add(vector<int> &b)
	{

		//modify val
		(val[4]+=val[1]*b[3]%mod+val[2]*b[5]%mod+val[3]*b[6]%mod)%=mod;
		(val[3]+=val[1]*b[2]%mod+val[2]*b[4]%mod)%=mod;
		(val[2]+=val[1]*b[1]%mod)%=mod;
		
		
		
		//modify tag
		(tag[6]+=b[6])%=mod;
		(tag[5]+=tag[4]*b[6]%mod+b[5])%=mod;
		(tag[4]+=b[4])%=mod;
		(tag[3]+=tag[1]*b[5]+tag[2]*b[6]+b[3])%=mod;
		(tag[2]+=tag[1]*b[4]%mod+b[2])%=mod;
		(tag[1]+=b[1])%=mod;
		bz=1;
	}
};
vector<seg> tr;
void update(int u)
{
	int ls=u<<1,rs=u<<1|1;
	for(int i=1; i<=4; i++)
	{
		tr[u].val[i]=tr[ls].val[i]+tr[rs].val[i];
	}
}
void pushdown(int u)
{
	if(!tr[u].bz) return;
	tr[u<<1].add(tr[u].tag);
	tr[u<<1|1].add(tr[u].tag);
	tr[u].bz=0;
	tr[u].tag.clear();
}
vector<int> a;
void build(int u,int st,int ed)
{
	if(st==ed)
	{
		tr[u].val[1]=1;
		tr[u].val[2]=a[st];
		tr[u].val[3]=a[st]*a[st];
		tr[u].val[4]=a[st]*a[st];
		return;
	}
	int mid=st+ed>>1;
	build(u<<1,st,mid);
	build(u<<1|1,mid+1,ed);
	update(u);
}
void modify(int u,int st,int ed,int l,int r,int k)
{
	if(l<=st&&ed<=r)
	{
		int k2=k*k%mod;
		vector<int> b={0,k,k2,k2,2*k%mod,2*k%mod,1};
		tr[u].add(b);
		return;
	}
	pushdown(u);
	int mid=st+ed>>1;
	if(mid>=l)
		modify(u<<1,st,mid,l,r,k);
	if(mid<r)
		modify(u<<1|1,mid+1,ed,l,r,k);
	update(u);
}
int query(int u,int st,int ed,int l,int r)
{
	if(l<=st&&ed<=r)
	{
		return tr[u].val[4];
	}
	pushdown(u);
	int mid=st+ed>>1;
	int res=0;
	if(mid>=l)
		res=query(u<<1,st,mid,l,r);
	if(mid<r)
		res+=query(u<<1|1,mid+1,ed,l,r);
	res%=mod;
	return res;
}
void O_o()
{
	int n,m,Q;
	cin>>n>>m>>Q;
	tr.assign(n<<2,seg());
	vector<int> ans(Q,0);
	vector p(m+1,vector<array<int,3>>());//l,r,k
	vector q(m+1,vector<array<int,4>>());//l,r,id,1 or -1
	a.assign(n+1,0);
	for(int i=1; i<=n; i++)
		cin>>a[i];
	for(int i=1; i<=m; i++)
	{
		int l,r,k;
		cin>>l>>r>>k;
		if(l>1)
			p[i].push_back({1,l-1,0});
		if(r<n)
			p[i].push_back({r+1,n,0});
		p[i].push_back({l,r,k});
	}
	for(int i=0; i<Q; i++)
	{
		int l,r,x,y;
		cin>>l>>r>>x>>y;
		if(x>0)
			q[x-1].push_back({l,r,i,-1});
		q[y].push_back({l,r,i,1});
	}
	build(1,1,n);
	for(int i=0; i<=m; i++)
	{
		for(auto [l,r,k]:p[i])
		{
			modify(1,1,n,l,r,k);
		}
		for(auto [l,r,id,t]:q[i])
		{
			(ans[id]+=mod+t*query(1,1,n,l,r))%=mod;
		}
	}
	for(auto x:ans)
		cout<<x<<"\n";
}
signed main()
{
	ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	cout<<fixed<<setprecision(12);
	int T=1;
//	cin>>T;
	while(T--)
	{
		O_o();
	}
}















詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3600kb

input:

3 1 1
8 1 6
2 3 2
2 2 0 0

output:

1

result:

ok 1 number(s): "1"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3664kb

input:

4 3 3
2 3 2 2
1 1 6
1 3 3
1 3 6
2 2 2 3
1 4 1 3
4 4 2 3

output:

180
825
8

result:

ok 3 number(s): "180 825 8"

Test #3:

score: -100
Wrong Answer
time: 1ms
memory: 3612kb

input:

100 107 180
-280960553 266308104 -997644864 856103777 592874377 674379235 -946339772 641750362 642418716 -360811715 -555543246 206614021 358239245 349842656 983198973 807518446 -66612455 -980932737 109826132 -109676067 51226145 452115561 -42729559 -950621304 -87009773 714026474 375317493 693260053 -...

output:

319970821
982036098
487729707
219525501
640673380
93950215
748914815
553313942
426165200
717260249
330341960
347738635
223459267
374974748
564311761
217987090
37442138
430173578
761210554
206806445
71704735
706997165
606180267
101111635
649739372
617354057
41524429
453117732
539100411
873629294
2928...

result:

wrong answer 1st numbers differ - expected: '400489222', found: '319970821'