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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#67221#5098. 第一代图灵机hjl6660 0ms0kbC++144.5kb2022-12-10 10:47:552022-12-10 10:48:01

Judging History

This is the latest submission verdict.

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2022-12-10 10:48:01]
  • Judged
  • Verdict: 0
  • Time: 0ms
  • Memory: 0kb
  • [2022-12-10 10:47:55]
  • Submitted

answer

#include<bits/stdc++.h>
#define db double
#define int ll
#define ll long long
#define ull unsigned long long
#define pb emplace_back
#define MP make_pair
#define pii pair<int, int>
#define fi first
#define se second
#define ls k<<1
#define rs k<<1|1
#define CLK (double)clock()/(double)CLOCKS_PER_SEC
using namespace std;
mt19937 rnd(time(0));
inline int read(){
	register int x=0,f=1;
	register char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
	return x*f;
}
inline void write(register int x){
	if(x<0){putchar('-');x=-x;}
	if(x>9)write(x/10);
	putchar(x%10+'0');
}
const int N=2e5+5;
int n,m,q,pre[N],sum[N],a[N],c[N];
int ans[N<<2];
set<int>st[N];
struct Segment{
	int sum[N<<2];
	void upd(int k,int lt,int rt,int pos,int x){
		if(lt==rt)return sum[k]=x,void();
		int mid=lt+rt>>1;
		if(pos<=mid)upd(ls,lt,mid,pos,x);
		else upd(rs,mid+1,rt,pos,x);
		sum[k]=max(sum[ls],sum[rs]);
	}
	int qry(int k,int lt,int rt,int qx,int qy){
		if(qx>rt||qy<lt)return 0;
		if(qx<=lt&&rt<=qy)return sum[k];
		int mid=lt+rt>>1;
		return max(qry(ls,lt,mid,qx,qy),qry(rs,mid+1,rt,qx,qy));
	}
}A,B;
struct Tree{
	int S[N<<2],mx[N<<2];
	int qry(int k,int lt,int rt,int x){
		if(lt==rt)return mx[k]>=x?sum[lt]-sum[pre[lt]]:0;
		if(mx[k]<x)return 0;
		int mid=lt+rt>>1;
		if(mx[ls]<x)return max(B.qry(1,1,n,lt,mid)-sum[x],qry(rs,mid+1,rt,x));
		else return max(S[k],qry(ls,lt,mid,x));
	}
	void pushup(int k,int lt,int rt){
		int mid=lt+rt>>1;
		S[k]=max(S[ls],qry(rs,mid+1,rt,mx[ls]));
		mx[k]=max(mx[ls],mx[rs]);
	} 
	void build(int k,int lt,int rt){
		if(lt==rt){
			S[k]=sum[lt]-sum[pre[lt]];mx[k]=pre[lt];
			return ;
		}
		int mid=lt+rt>>1;
		build(ls,lt,mid);build(rs,mid+1,rt);
		pushup(k,lt,rt);
	}
	void modify(int k,int lt,int rt,int pos){
		if(lt==rt){
			S[k]=sum[lt]-sum[pre[lt]];mx[k]=pre[lt];
			return ;
		}
		int mid=lt+rt>>1;
		if(pos<=mid)modify(ls,lt,mid,pos);
		else modify(rs,mid+1,rt,pos);
		pushup(k,lt,rt);
	}
}T;
int find(int lt,int rt){
	int l=lt-1,r=rt+1;
	while(l+1<r){
		int mid=l+r>>1;
		if(A.qry(1,1,n,mid+1,rt)<mid)r=mid;
		else l=mid;
	}
	return r;
}
int query(int k,int lt,int rt,int x){
	if(lt==rt)return pre[lt]>=x?sum[lt]-sum[pre[lt]]:sum[lt]-sum[x-1];
	int mid=lt+rt>>1,res=0;
	if(A.qry(1,1,n,lt,mid)<x){
		res=max(res,B.qry(1,1,n,lt,mid)-sum[x-1]);
		res=max(res,query(rs,mid+1,rt,x));
		return res;
	}
	else {
		res=max(res,T.S[k]);
		res=max(res,query(ls,lt,mid+1,x));
		return res;
	}
}
void pushup(int k,int lt,int rt){
	int mid=lt+rt>>1;
	ans[k]=max(ans[ls],ans[rs]);
	int x=find(lt,mid);
	ans[k]=max(ans[k],query(rs,mid+1,rt,x));
}
void build(int k,int lt,int rt){
	if(lt==rt){
		ans[k]=a[lt];
		A.upd(1,1,n,lt,pre[lt]);B.upd(1,1,n,lt,sum[lt]);
		return ;
	}
	int mid=lt+rt>>1;
	build(ls,lt,mid);build(rs,mid+1,rt);
	pushup(k,lt,rt);
}
void modify(int k,int lt,int rt,int pos,int col){
	if(lt==rt){
		A.upd(1,1,n,lt,col);
		return ;
	}
	int mid=lt+rt>>1;
	if(pos<=mid)modify(ls,lt,mid,pos,col);
	else modify(rs,mid+1,rt,pos,col);
	pushup(k,lt,rt);
}
int ask(int k,int lt,int rt,int qx,int qy){
	if(qx>rt||qy<lt)return 0;
	if(qx<=lt&&rt<=qy)return ans[k];
	int mid=lt+rt>>1,res=0;
	res=max(ask(ls,lt,mid,qx,qy),ask(rs,mid+1,rt,qx,qy));
	if(qx>mid||qy<=mid)return res;
	int x=find(qx,mid);
	res=max(res,query(rs,mid+1,qy,x));
}
void MAIN(){
	n=read();m=read();q=read();
	for(int i=1;i<=n;i++)a[i]=read(),sum[i]=sum[i-1]+a[i];
	for(int i=1;i<=m;i++)st[i].insert(0),st[i].insert(n+1);
	for(int i=1;i<=n;i++){
		c[i]=read();st[c[i]].insert(i);
		pre[i]=*--st[c[i]].lower_bound(i);
	}
//	cout<<"Start\n";
	T.build(1,1,n);
//	cout<<"Middle\n";
	build(1,1,n);
//	cout<<"Work\n";
	for(int i=1;i<=q;i++){
		int opt=read(),x=read(),y=read();
		if(opt==1){
			cout<<ask(1,1,n,x,y)<<"\n";
		}
		else {
			int p=*st[c[x]].upper_bound(x);
			int q=*st[y].upper_bound(x);
			st[c[x]].erase(x);c[x]=y;st[c[x]].insert(x);
			pre[x]=*--st[c[i]].lower_bound(i);
			T.modify(1,1,n,x);
			modify(1,1,n,x,pre[x]);
			if(p<=n){
				pre[p]=*--st[c[p]].lower_bound(p);
				T.modify(1,1,n,p);
				modify(1,1,n,p,pre[p]);
			}
			if(q<=n){
				pre[q]=*--st[c[q]].lower_bound(q);
				T.modify(1,1,n,q);
				modify(1,1,n,q,pre[q]);
			}
		}
	}
}
signed main(){
//	freopen("a.in","r",stdin);
//	freopen("a.out","w",stdout);
    int T=1;while(T--)MAIN();
//  printf("\nTIME:%lf\n",(double)clock()/CLOCKS_PER_SEC);
	return 0;
}




Details

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Subtask #1:

score: 0
Runtime Error

Test #1:

score: 0
Runtime Error

input:

5000 200 5000
2315 3433 1793 4621 4627 4561 289 4399 3822 2392 392 4581 2643 2441 4572 4649 2981 3094 4206 2057 761 2516 2849 3509 3033 658 4965 3316 3269 4284 4961 753 1187 2515 1377 1725 4743 4761 3823 3464 4859 989 2401 953 875 1481 2181 103 2067 2625 3296 4721 61 3843 1607 997 4385 1284 4299 441...

output:


result:


Subtask #2:

score: 0
Runtime Error

Test #3:

score: 0
Runtime Error

input:

200000 10 200000
55651 97298 108697 86619 60721 199951 10610 162267 154301 138848 39191 18605 101369 57073 34977 101576 71252 143401 89587 160521 166491 38442 150761 35579 25571 121311 38033 38483 144639 41401 179161 54872 157905 137601 46863 187656 171901 43715 41036 150741 69057 102031 130561 4772...

output:


result:


Subtask #3:

score: 0
Runtime Error

Test #5:

score: 0
Runtime Error

input:

200000 20000 200000
30681 32496 35471 48191 159123 69792 120915 150673 187226 158493 36275 26856 107976 124777 145229 69745 183961 14497 144808 153612 185893 137681 66417 46802 19345 113322 168046 128149 191001 135433 13201 139214 59489 81178 42343 163158 110121 119201 97501 53079 158755 192241 1132...

output:


result:


Subtask #4:

score: 0
Skipped

Dependency #1:

0%

Subtask #5:

score: 0
Skipped

Dependency #4:

0%