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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#80110#1268. Diamond RusheyiigjknWA 2493ms148848kbC++143.6kb2023-02-22 11:57:312023-02-22 11:57:33

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-02-22 11:57:33]
  • 评测
  • 测评结果:WA
  • 用时:2493ms
  • 内存:148848kb
  • [2023-02-22 11:57:31]
  • 提交

answer

# include <bits/stdc++.h>
using namespace std;
using ll=long long;
using Hash=pair<int,int>;
constexpr int p1=1e9+7,p2=1e9+9,Base=998244353;
inline Hash operator+(const Hash &x,const Hash &y){return {(x.first+y.first)%p1,(x.second+y.second)%p2};}
inline Hash &operator+=(Hash &x,const Hash &y){return x=x+y;}
inline Hash operator-(const Hash &x,const Hash &y){return {(x.first+p1-y.first)%p1,(x.second+p2-y.second)%p2};}
inline Hash operator*(const Hash &x,const Hash &y){return {(ll)x.first*y.first%p1,(ll)x.second*y.second%p2};}
int N,a[410][410],f[410][410],g[410][410],pwn[160010],lc[20000010],rc[20000010],cnt[20000010],sum[20000010],tot=0;
Hash pw[160010],pre[410][410],suf[410][410],val[20000010];
template<typename T>
inline void upd(int &x,const T &y){x=(x+y)%p1;}
inline Hash Lc(const Hash &rt){return {lc[rt.first],lc[rt.second]};}
inline Hash Rc(const Hash &rt){return {rc[rt.first],rc[rt.second]};}
inline int Cnt(const Hash &rt){return cnt[rt.first]+cnt[rt.second];}
inline int Sum(const Hash &rt){return (sum[rt.first]+sum[rt.second])%p1;}
inline Hash Val(const Hash &rt){return val[rt.first]+val[rt.second];}
void pushup(int rt)
{
	sum[rt]=(sum[lc[rt]]+sum[rc[rt]])%p1;
	val[rt]=val[lc[rt]]+val[rc[rt]];
}
void update(int &rt,int l,int r,int x)
{
	int cur=++tot;
	lc[cur]=lc[rt];rc[cur]=rc[rt];sum[cur]=sum[rt];val[cur]=val[rt];rt=cur;
	if(l==r) return cnt[rt]++,upd(sum[rt],pwn[l]),val[rt]+=pw[l],void();
	int mid=(l+r)/2;
	if(x<=mid) update(lc[rt],l,mid,x);
	else update(rc[rt],mid+1,r,x);
	pushup(rt);
}
bool cmp(int r1,int r2,int l,int r)
{
	if(!r1) return false;
	else if(!r2) return true;
	if(l==r) return cnt[r1]>cnt[r2];
	int mid=(l+r)/2;
	if(val[rc[r1]]!=val[rc[r2]]) return cmp(rc[r1],rc[r2],mid+1,r);
	else return cmp(lc[r1],lc[r2],l,mid);
}
bool cmp(const Hash &r1,const Hash &r2,int l,int r)
{
	if(!r1.first && !r1.second) return false;
	else if(!r2.first && !r2.second) return true;
	if(l==r) return Cnt(r1)>Cnt(r2);
	int mid=(l+r)/2;
	if(Val(Rc(r1))!=Val(Rc(r2))) return cmp(Rc(r1),Rc(r2),mid+1,r);
	else return cmp(Lc(r1),Lc(r2),l,mid);
}
int main()
{
	int T,n,q,x1,x2,y1,y2;
	cin>>T;
	while(T--)
	{
		scanf("%d%d",&n,&q);N=n*n;
		pwn[0]=1;
		for(int i=1;i<=N;i++) pwn[i]=(ll)pwn[i-1]*N%p1;
		pw[0]={1,1};
		for(int i=1;i<=N;i++) pw[i]=pw[i-1]*Hash{Base,Base};
		for(int i=1;i<=n;i++)
			for(int j=1;j<=n;j++)
				scanf("%d",&a[i][j]);
		for(int i=1;i<=n;i++)
			for(int j=1;j<=n;j++)
			{
				if(i==1 && j==1) f[i][j]=0;
				else if(i==1) f[i][j]=f[i][j-1];
				else if(j==1) f[i][j]=f[i-1][j];
				else f[i][j]=(cmp(f[i][j-1],f[i-1][j],1,N)?f[i][j-1]:f[i-1][j]);
				update(f[i][j],1,N,a[i][j]);
			}
		for(int i=n;i;i--)
			for(int j=n;j;j--)
			{
				if(i==n && j==n) g[i][j]=0;
				else if(i==n) g[i][j]=g[i][j+1];
				else if(j==n) g[i][j]=g[i+1][j];
				else g[i][j]=(cmp(g[i][j+1],g[i+1][j],1,N)?g[i][j+1]:g[i+1][j]);
				pre[i][j]=suf[i][j]={f[i][j],g[i][j]};
				update(g[i][j],1,N,a[i][j]);
			}
		for(int i=1;i<=n;i++)
		{
			for(int j=2;j<=n;j++) pre[i][j]=(cmp(pre[i][j],pre[i][j-1],1,N)?pre[i][j]:pre[i][j-1]);
			for(int j=n-1;j;j--) suf[i][j]=(cmp(suf[i][j],suf[i][j+1],1,N)?suf[i][j]:suf[i][j+1]);
		}
		while(q--)
		{
			Hash ans={0,0};
			scanf("%d%d%d%d",&x1,&x2,&y1,&y2);
			if(x2<n && y1>1) ans=(cmp(ans,pre[x2+1][y1-1],1,N)?ans:pre[x2+1][y1-1]);
			if(x1>1 && y2<n) ans=(cmp(ans,suf[x1-1][y2+1],1,N)?ans:suf[x1-1][y2+1]);
			printf("%d\n",Sum(ans));
		}
		memset(lc+1,0,sizeof(int)*tot);
		memset(rc+1,0,sizeof(int)*tot);
		memset(cnt+1,0,sizeof(int)*tot);
		memset(sum+1,0,sizeof(int)*tot);
		memset(val+1,0,sizeof(Hash)*tot);
		tot=0;
	}
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 2ms
memory: 5888kb

input:

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

output:

276
336

result:

ok 2 lines

Test #2:

score: -100
Wrong Answer
time: 2493ms
memory: 148848kb

input:

5
399 200000
1 5 3 2 3 5 5 4 3 5 2 5 1 2 4 1 3 1 1 5 5 5 5 2 2 2 3 3 5 3 5 3 1 2 3 2 3 3 4 3 5 3 1 3 4 5 2 1 4 4 5 4 5 3 3 2 4 2 3 5 1 2 4 4 3 2 3 5 4 4 1 2 3 5 5 2 1 5 5 1 4 1 2 5 3 4 5 3 5 5 5 3 2 3 1 2 1 1 2 5 1 4 1 3 4 1 1 3 5 3 2 2 3 1 3 1 3 1 5 1 4 1 1 2 5 1 4 3 1 3 2 5 4 2 3 5 5 2 5 3 1 5 3 1...

output:

531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
531293517
...

result:

wrong answer 1st lines differ - expected: '941207053', found: '531293517'