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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#534955#8338. Quad Kingdoms ChessliqingyangWA 52ms21892kbC++172.2kb2024-08-27 17:57:082024-08-27 17:57:08

Judging History

你现在查看的是最新测评结果

  • [2024-08-27 17:57:08]
  • 评测
  • 测评结果:WA
  • 用时:52ms
  • 内存:21892kb
  • [2024-08-27 17:57:08]
  • 提交

answer

#include<iostream>
#include<random>
#include<vector>
using namespace std;
mt19937 Rand(20080704);
int n,m,q,a[2][100010];
vector<pair<int,int> > e[2][100010];
unsigned int R[100010],ans[200010];
struct node
{
	int min1,min2,c;
	unsigned int v;
};
struct tree
{
	node a[800000];
	inline void update(int p)
	{
		a[p].min1=min(a[p<<1].min1,a[(p<<1)|1].min1);
		a[p].min2=min(a[p<<1].min1==a[p].min1?a[p<<1].min2:a[p<<1].min1
		,a[(p<<1)|1].min1==a[p].min1?a[(p<<1)|1].min2:a[(p<<1)|1].min1);
	}
	inline void change(int p,int minn,int c,unsigned int v)
	{
		if(a[p].min1>minn)
		{
			return;
		}
		a[p].min1=a[p].c=c;
		a[p].v^=v;
	}
	inline void pushdown(int p)
	{
		if(a[p].c)
		{
			change(p<<1,a[p].min1,a[p].c,a[p].v);
			change((p<<1)|1,a[p].min1,a[p].c,a[p].v);
			a[p].c=a[p].v=0;
		}
	}
	void change(int l,int r,int ll,int rr,int v,int p)
	{
		if(r<ll||l>rr||v<a[p].min1)
		{
			return;
		}
		if(ll<=l&&r<=rr&&v<a[p].min2)
		{
			change(p,a[p].min1,v,R[v]);
			return;
		}
		pushdown(p);
		int mid=l+r>>1;
		change(l,mid,ll,rr,v,p<<1);
		change(mid+1,r,ll,rr,v,(p<<1)|1);
		update(p);
	}
	void build(int l,int r,int p)
	{
		a[p].min1=0,a[p].min2=1e9;
		a[p].c=a[p].v=0;
		if(l==r)
		{
			return;
		}
		int mid=l+r>>1;
		build(l,mid,p<<1);
		build(mid+1,r,(p<<1)|1);
	}
	void query(int l,int r,int p)
	{
		if(l==r)
		{
			ans[l]^=a[p].v;
			return;
		}
		pushdown(p);
		int mid=l+r>>1;
		query(l,mid,p<<1);
		query(mid+1,r,(p<<1)|1);
	}
};
inline void solve(int n,int *a,vector<pair<int,int> > *e)
{
	static tree T;
	T.build(1,q,1);
	for(int i=n;i;i--)
	{
		int k=1,l=a[i];
		for(int j=0;j<e[i].size();j++)
		{
			int t=e[i][j].first;
			T.change(1,q,k,t-1,l,1);
			k=t,l=e[i][j].second;
		}
		T.change(1,q,k,q,l,1);
	}
	T.query(1,q,1);
}
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		cin>>a[0][i];
	}
	cin>>m;
	for(int i=1;i<=m;i++)
	{
		cin>>a[1][i];
	}
	cin>>q;
	for(int i=1,op,x,y;i<=q;i++)
	{
		cin>>op>>x>>y;
		e[op-1][x].push_back({i,y});
	}
	for(int i=1;i<=1e5;i++)
	{
		R[i]=Rand();
	}
	solve(n,a[0],e[0]);
	solve(m,a[1],e[1]);
	for(int i=1;i<=q;i++)
	{
		puts(ans[i]?"NO":"YES");
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 10168kb

input:

5
1 2 3 4 5
5
5 4 3 2 1
8
1 1 5
1 4 2
1 2 4
1 5 1
1 5 5
2 1 4
2 3 5
2 5 5

output:

NO
NO
NO
YES
NO
NO
NO
YES

result:

ok 8 tokens

Test #2:

score: -100
Wrong Answer
time: 52ms
memory: 21892kb

input:

1
2
6
2 1 1 1 1 1
200000
2 6 2
1 1 1
1 1 1
1 1 2
2 1 1
1 1 2
1 1 1
2 4 1
2 1 2
1 1 1
1 1 2
2 5 1
1 1 1
1 1 2
1 1 1
2 6 1
1 1 2
1 1 2
1 1 2
2 3 1
1 1 1
2 1 1
2 6 2
1 1 2
2 4 1
1 1 2
2 6 1
1 1 2
1 1 1
2 5 2
2 6 2
1 1 1
2 4 2
2 5 2
2 6 2
1 1 1
2 5 1
2 6 2
1 1 2
1 1 1
1 1 1
2 4 1
1 1 2
1 1 2
1 1 2
2 3 2...

output:

NO
NO
NO
NO
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
NO
NO
YES
YES
YES
YES
NO
YES
YES
YES
NO
NO
NO
YES
NO
NO
YES
YES
YES
NO
NO
YES
YES
NO
YES
YES
YES
NO
YES
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO
YES
NO
YES
NO
NO
NO
YE...

result:

wrong answer 48th words differ - expected: 'NO', found: 'YES'