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#309637#8133. When Anton Saw This Task He Reacted With 😩ucup-team191#WA 3687ms20836kbC++143.6kb2024-01-20 19:25:372024-01-20 19:25:37

Judging History

你现在查看的是最新测评结果

  • [2024-01-20 19:25:37]
  • 评测
  • 测评结果:WA
  • 用时:3687ms
  • 内存:20836kb
  • [2024-01-20 19:25:37]
  • 提交

answer

#include <bits/stdc++.h>
#define x first
#define y second
using namespace std;
using ll=long long;
using pii=pair<int,int>;
using vi=vector<int>;
using vl=vector<ll>;
using vec=array<int,3>;
using mat=array<vec,3>;
#define pb push_back
#define all(a) begin(a),end(a)

const int N=200010,MOD=998244353,K=300;
const char en='\n';
const ll LLINF=1ll<<60;

int sub(int a,int b)
{
	if (a>=b) return a-b;
	return a-b+MOD;
}

int mul(int a,int b)
{
	return a*1ll*b%MOD;
}

void ad(int&a,int b)
{
	a+=b;
	if (a>=MOD) a-=MOD;
}

vec sub(vec a,vec b)
{
	return {sub(a[0],b[0]),sub(a[1],b[1]),sub(a[2],b[2])};
}

vec mul(mat a,vec b)
{
	vec re;
	for (int i=0;i<3;++i)
	{
		re[i]=0;
		for (int k=0;k<3;++k)
		{
			ad(re[i],mul(a[i][k],b[k]));
		}
	}
	return re;
}

vec mul(vec a,int b)
{
	return {mul(a[0],b),mul(a[1],b),mul(a[2],b)};
}

vec cross(vec a,vec b)
{
	return {sub(mul(a[1],b[2]),mul(a[2],b[1])),sub(mul(a[2],b[0]),mul(a[0],b[2])),sub(mul(a[0],b[1]),mul(a[1],b[0]))};
}

mat crossL(mat a,vec b)
{
	return {sub(mul(a[1],b[2]),mul(a[2],b[1])),sub(mul(a[2],b[0]),mul(a[0],b[2])),sub(mul(a[0],b[1]),mul(a[1],b[0]))};
}

mat crossR(vec a,mat b)
{
	return {sub(mul(b[2],a[1]),mul(b[1],a[2])),sub(mul(b[0],a[2]),mul(b[2],a[0])),sub(mul(b[1],a[0]),mul(b[0],a[1]))};
}

int n,q,lc[N],rc[N],ind[N],de[N],r[N],par[20][N];
bool impo[N];
vec va[N];
vi ord,vaz;
pair<int,mat> tra[N];
mat id;

void dfs1(int i)
{
	ind[i]=ord.size();
	ord.pb(i);
	if (lc[i]!=-1)
	{
		par[0][lc[i]]=i;
		de[lc[i]]=de[i]+1;
		dfs1(lc[i]);
		par[0][rc[i]]=i;
		de[rc[i]]=de[i]+1;
		dfs1(rc[i]);
	}
	r[i]=ord.size();
}

void dfs2(int i)
{
	if (impo[i])
	{
		tra[i]={i,id};
		vaz.pb(i);
		return;
	}
	if (lc[i]==-1)
	{
		tra[i].x=-1;
		tra[i].y[0]=va[i];
		return;
	}
	dfs2(lc[i]);
	dfs2(rc[i]);
	if (!impo[lc[i]] && !impo[rc[i]])
	{
		tra[i].x=-1;
		tra[i].y[0]=cross(tra[lc[i]].y[0],tra[rc[i]].y[0]);
		return;
	}
	impo[i]=1;
	if (impo[lc[i]] && impo[rc[i]])
	{
		tra[i]={i,id};
		vaz.pb(i);
		return;
	}
	if (impo[lc[i]] && !impo[rc[i]])
	{
		tra[i].x=tra[lc[i]].x;
		tra[i].y=crossL(tra[lc[i]].y,tra[rc[i]].y[0]);
		return;
	}
	if (!impo[lc[i]] && impo[rc[i]])
	{
		tra[i].x=tra[rc[i]].x;
		tra[i].y=crossR(tra[lc[i]].y[0],tra[rc[i]].y);
		return;
	}
	assert(0);
}

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	for (int i=0;i<3;++i) id[i][i]=1;
	par[0][1]=1;
	cin>>n>>q;
	for (int i=1;i<=n;++i)
	{
		char ti;
		cin>>ti;
		if (ti=='x')
		{
			cin>>lc[i]>>rc[i];
		}
		else
		{
			cin>>va[i][0]>>va[i][1]>>va[i][2];
			lc[i]=-1;
			rc[i]=-1;
		}
	}
	dfs1(1);
	//cout<<"dfs-ed"<<endl;
	vector<pair<int,vec>> qu;
	for (int r=0;r<q;++r)
	{
		int x1,a1,b1,c1;
		cin>>x1>>a1>>b1>>c1;
		qu.pb({x1,{a1,b1,c1}});
		if (qu.size()==K || r==q-1)
		{
			memset(impo,0,sizeof(impo));
			for (auto x: qu) impo[x.x]=1;
			vaz.clear();
			dfs2(1);
			reverse(all(vaz));
			for (auto x: qu)
			{
				va[x.x]=x.y;
				for (auto i: vaz)
				{
					if (lc[i]==-1) continue;
					vec lij=mul(tra[lc[i]].y,va[tra[lc[i]].x]);
					vec des=mul(tra[rc[i]].y,va[tra[rc[i]].x]);
					va[i]=cross(lij,des);
				}
				if (vaz.back()!=1)
				{
					vec lij,des;
					if (impo[lc[1]])
					{
						lij=mul(tra[lc[1]].y,va[tra[lc[1]].x]);
						des=tra[rc[1]].y[0];
					}
					else
					{
						assert(impo[rc[1]]);
						lij=tra[lc[1]].y[0];
						des=mul(tra[rc[1]].y,va[tra[rc[1]].x]);
					}
					va[1]=cross(lij,des);
				}
				cout<<va[1][0]<<' '<<va[1][1]<<' '<<va[1][2]<<en;
			}
			qu.clear();
		}
	}
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 9720kb

input:

5 3
x 2 3
v 1 0 1
x 4 5
v 0 2 1
v 1 1 1
4 1 2 3
5 0 1 1
4 0 2 2

output:

998244351 0 2
1 998244351 998244352
0 0 0

result:

ok 9 numbers

Test #2:

score: -100
Wrong Answer
time: 3687ms
memory: 20836kb

input:

199999 100000
x 137025 65661
v 572518668 158967010 74946561
x 129836 192657
x 141948 187810
v 574918069 328924434 141474729
x 143312 111002
x 52772 148497
v 922857701 690080961 651915759
v 656198340 28002884 129579416
v 639893144 265359784 646791226
v 796871409 411409966 598676495
v 882562617 224394...

output:

0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 914774641 811979590
0 914774641 811979590
0 914774641 811979590
0 914774641 811979590
0 494682488 223611556
0 494682488 223611556
0 494682488 223611556
0 494682488 223611556
0 494682488 223611556
0 494682488 223611556
0 494682488 223611556
0 494682488 223611556
0 4946...

result:

wrong answer 1st numbers differ by non-multiple of MOD, - expected: '393120558', found: '0'