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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#439106#5014. 复读程度275307894a0 8ms44152kbC++145.7kb2024-06-11 16:12:272024-06-11 16:12:27

Judging History

你现在查看的是最新测评结果

  • [2024-06-11 16:12:27]
  • 评测
  • 测评结果:0
  • 用时:8ms
  • 内存:44152kb
  • [2024-06-11 16:12:27]
  • 提交

answer

#include<bits/stdc++.h>
#define Gc() getchar()
#define Me(x,y) memset(x,y,sizeof(x))
#define Mc(x,y) memcpy(x,y,sizeof(x))
#define d(x,y) ((m)*(x-1)+(y))
#define R(n) (rnd()%(n)+1)
#define Pc(x) putchar(x)
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define eb emplace_back
#define all(x) x.begin(),x.end()
using namespace std;using ll=long long;using db=double;using lb=long db;using ui=unsigned;using ull=unsigned long long;using pii=pair<int,int>;
const int N=4e5+5,M=1e7+5,K=1000+5,mod=998244353,Mod=mod-1;const db eps=1e-9;const int INF=1e9+7;mt19937 rnd(263082);
#define Tp template<typename T>
#define Ts template<typename T,typename... Ar>
namespace Debug{
	Tp void _debug(char* f,T t){cerr<<f<<'='<<t<<endl;}
	Ts void _debug(char* f,T x,Ar... y){while(*f!=',') cerr<<*f++;cerr<<'='<<x<<",";_debug(f+1,y...);}
	#ifdef LOCAL
	#define gdb(...) _debug((char*)#__VA_ARGS__,__VA_ARGS__)
	#else 
	#define gdb(...) void()
	#endif
}using namespace Debug;
int n,q;
char s[N];
ull wl[N],wr[N];
struct SAM{
	int son[N][26],link[N],len[N],ed[N],La=1,cnt=1;
	void extend(int c){
		len[++cnt]=len[La]+1;int p=La;La=cnt;siz[La]=1;
		while(p&&!son[p][c]) son[p][c]=La,p=link[p];
		if(!p){link[La]=1;return;}
		int q=son[p][c];if(len[q]==len[p]+1){link[La]=q;return;}
		len[++cnt]=len[p]+1;Mc(son[cnt],son[q]);link[cnt]=link[q];link[q]=link[La]=cnt;ed[cnt]=ed[q];
		while(p&&son[p][c]==q) son[p][c]=cnt,p=link[p];
	}
	vector<int> S[N];
	int bl[N];
	int bg[N],en[N],bh,df[N];
	int trans[N][26];
	ull sum[N],siz[N];
	void make(int x,int La){
		bg[x]=++bh;df[bh]=x;
		for(int i:S[x]) make(i,x),ed[i]+len[x]<=n&&(trans[x][s[ed[i]+len[x]]-'a']=i),ed[x]=ed[i],sum[x]+=sum[i],siz[x]+=siz[i];
		en[x]=bh;
	}
	int fa[20][N];
	void build(){
		for(int i=2;i<=cnt;i++) S[link[i]].push_back(i);
		make(1,0);
		for(int i=1;i<=cnt;i++) fa[0][i]=link[i];
		for(int i=1;i<=18;i++) for(int j=1;j<=cnt;j++) fa[i][j]=fa[i-1][fa[i-1][j]];
	}
	vector<int> G[N];
	void push(int x){
		for(int i=0;i<26;i++) if(son[x][i]&&len[son[x][i]]==len[x]+1){
			push(son[x][i]);
			if(!bl[x]) bl[x]=bl[son[x][i]];
		}
		// gdb(x,bl[x]);
		G[bl[x]].push_back(x);
	}
	int jump(int x,int k){
		for(int i=18;~i;i--) if(len[fa[i][x]]>=k) x=fa[i][x];
		return x;
	}
}t1,t2;
int cnt,mx[N];
void dfs(int x,int y){
	// gdb(x,y,t1.len[x],t2.len[y]);
	if(t1.len[x]==t2.len[y]) t1.bl[x]=t2.bl[y]=++cnt,mx[cnt]=t1.len[x];
	for(int i=0;i<26;i++) if(t1.son[x][i]&&t1.len[x]+1==t1.len[t1.son[x][i]]) dfs(t1.son[x][i],t1.len[x]==t2.len[y]?t2.trans[y][i]:y);
}
int i1[N],i2[N];
void build(){
	for(int i=1;i<=n;i++) t1.extend(s[i]-'a'),i1[i]=t1.La,t1.sum[t1.La]=wr[i],t1.ed[t1.La]=i;
	for(int i=n;i;i--) t2.extend(s[i]-'a'),i2[i]=t2.La,t2.sum[t2.La]=wl[i],t2.ed[t2.La]=i;
	t1.build();t2.build();
	dfs(1,1);
	t1.push(1);t2.push(1);
}
ull ans[N];
struct ques{int l,r,id;ull w;}Q[N];int Qh;
ull qans[N];

void Solve(){
	int i,j;scanf("%d%d%s",&n,&q,s+1);
	for(i=1;i<=n;i++) scanf("%llu",&wl[i]);
	for(i=1;i<=n;i++) scanf("%llu",&wr[i]);
	build();
	for(i=1;i<=q;i++){
		int l1,r1,l2,r2;
		scanf("%d%d%d%d",&l1,&r1,&l2,&r2);
		int x=t2.jump(i2[l1],r1-l1+1),y=t1.jump(i1[r2],r2-l2+1);
		int i1=t2.bl[x],i2=t1.bl[y],len1=r1-l1+1,len2=r2-l2+1;
		if(t1.bl[y]==t2.bl[x]){
			if(t2.len[x]+t1.len[y]-mx[i1]>t1.len[t1.link[y]]&&t2.len[x]+t1.len[y]-mx[i1]<max(len1,len2)) ans[i]-=t1.sum[y]*t2.sum[x]*t1.siz[y];
		}else{
			for(int j=t2.len[x]-len1+1;j<=t2.len[x]-(t2.len[t2.link[x]]+1);j++){
				if(t1.bg[y]<=t1.bg[t1.G[i1][j]]&&t1.bg[t1.G[i1][j]]<=t1.en[y]) ans[i]-=t2.sum[x]*t1.sum[t1.G[i1][j]]*t2.siz[x];
			}
			for(int j=t1.len[y]-len2+1;j<=t1.len[y]-(t1.len[t1.link[y]]+1);j++){
				if(t2.bg[x]<=t2.bg[t2.G[i2][j]]&&t2.bg[t2.G[i2][j]]<=t2.en[x]) ans[i]-=t1.sum[y]*t2.sum[t2.G[i2][j]]*t1.siz[y];
			}
		}
		// gdb(ans[i]);
		Q[++Qh]=(ques){t1.bg[y]-1,t2.bg[x]-1,i,1};
		Q[++Qh]=(ques){t1.en[y],t2.en[x],i,1};
		Q[++Qh]=(ques){t1.bg[y]-1,t2.en[x],i,-1ull};
		Q[++Qh]=(ques){t1.en[y],t2.bg[x]-1,i,-1ull};
		/*for(int j=t2.bg[x];j<=t2.en[x];j++) for(int h=t1.bg[y];h<=t1.en[y];h++)if(t2.bl[t2.df[j]]==t1.bl[t1.df[h]]){
			if(t2.len[t2.df[j]]+t1.len[t1.df[h]]-mx[t2.bl[t2.df[j]]]>t1.len[t1.link[t1.df[h]]]){
				ans[i]+=t2.sum[t2.df[j]]*t1.sum[t1.df[h]]*t2.siz[t2.df[j]];
			}
		}*/
		// printf("%llu\n",ans[i]);
	}
	int l=0,r=0,Bl=max(n/sqrt(q),1.0);
	sort(Q+1,Q+Qh+1,[&](ques x,ques y){return x.l/Bl^y.l/Bl?x.l<y.l:(x.l/Bl&1?x.r<y.r:x.r>y.r);});
	
	for(i=1;i<=Qh;i++){
		qans[i]=qans[i-1];
		while(l<Q[i].l){
			l++;
			for(int j=1;j<=r;j++) if(t1.bl[t1.df[l]]==t2.bl[t2.bl[j]]){
				if(t2.len[t2.df[j]]+t1.len[t1.df[l]]-mx[t2.bl[t2.df[j]]]>t1.len[t1.link[t1.df[l]]]){
					qans[i]+=t2.sum[t2.df[j]]*t1.sum[t1.df[l]]*t2.siz[t2.df[j]];
				}
			}
		}
		while(l>Q[i].l){
			for(int j=1;j<=r;j++) if(t1.bl[t1.df[l]]==t2.bl[t2.bl[j]]){
				if(t2.len[t2.df[j]]+t1.len[t1.df[l]]-mx[t2.bl[t2.df[j]]]>t1.len[t1.link[t1.df[l]]]){
					qans[i]-=t2.sum[t2.df[j]]*t1.sum[t1.df[l]]*t2.siz[t2.df[j]];
				}
			}
			l--;
		}
		while(r<Q[i].r){
			r++;
			for(int j=1;j<=l;j++)if(t1.bl[t1.df[j]]==t2.bl[t2.bl[r]]){
				if(t2.len[t2.df[r]]+t1.len[t1.df[j]]-mx[t2.bl[t2.df[r]]]>t1.len[t1.link[t1.df[j]]]){
					qans[i]+=t2.sum[t2.df[r]]*t1.sum[t1.df[j]]*t2.siz[t2.df[r]];
				}
			}
		}
		while(r>Q[i].r){
			for(int j=1;j<=l;j++)if(t1.bl[t1.df[j]]==t2.bl[t2.bl[r]]){
				if(t2.len[t2.df[r]]+t1.len[t1.df[j]]-mx[t2.bl[t2.df[r]]]>t1.len[t1.link[t1.df[j]]]){
					qans[i]-=t2.sum[t2.df[r]]*t1.sum[t1.df[j]]*t2.siz[t2.df[r]];
				}
			}
			r--;
		}
		ans[Q[i].id]+=qans[i]*Q[i].w;
	}
	for(i=1;i<=q;i++) printf("%llu\n",ans[i]);
}
int main(){
	int t=1;
	// scanf("%d",&t);
	while(t--) Solve();
	cerr<<clock()*1.0/CLOCKS_PER_SEC<<'\n';
}

詳細信息

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 7
Accepted
time: 8ms
memory: 43048kb

input:

500 500
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

output:

15720454042420499810
4058077030882532408
14651762045124606089
4030024243931986061
18033423360813892607
9470601111824364484
3883374861354698625
16650831689368240202
8339028189650687576
2683289915379600554
13133811958066776394
14181220923901262251
18173739360450512256
13142314545999179754
148925491596...

result:

ok 500 lines

Test #2:

score: 0
Wrong Answer
time: 8ms
memory: 44152kb

input:

500 500
zszzszszzszzszszzszszzszzszszzszzszszzszszzszzszszzszszzszzszszzszzszszzszszzszzszszzszzszszzszszzszzszszzszszzszzszszzszzszszzszszzszzszszzszszzszzszszzszzszszzszszzszzszszzszzszszzszszzszzszszzszszzszzszszzszzszszzszszzszzszszzszzszszzszszzszzszszzszszzszzszszzszzszszzszszzszzszszzszszzszz...

output:

14474795271763890665
1983017672294672588
13623057916585389028
5255353490708840384
11775171575738575689
5323333841680885144
0
4672269164432294672
0
16448962039360115768
0
0
11122267230123002761
1556499476035269955
11098562156063039632
10698892008963419548
2149980627398691752
16303238148286703136
1089...

result:

wrong answer 1st lines differ - expected: '4843650749197240262', found: '14474795271763890665'

Subtask #2:

score: 0
Skipped

Dependency #1:

0%

Subtask #3:

score: 0
Skipped

Dependency #2:

0%

Subtask #4:

score: 0
Time Limit Exceeded

Test #22:

score: 0
Time Limit Exceeded

input:

100000 100000
zbbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaabab...

output:


result:


Subtask #5:

score: 0
Skipped

Dependency #4:

0%

Subtask #6:

score: 0
Skipped

Dependency #2:

0%

Subtask #7:

score: 0
Skipped

Dependency #3:

0%