QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#650272#5069. VacationShumomoWA 758ms169220kbC++148.2kb2024-10-18 14:23:392024-10-18 14:23:39

Judging History

你现在查看的是最新测评结果

  • [2024-10-18 14:23:39]
  • 评测
  • 测评结果:WA
  • 用时:758ms
  • 内存:169220kb
  • [2024-10-18 14:23:39]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
long long num,c;
struct seg2{
	vector<long long> a,v;
	void build(int rt,int l,int r){
		if(l==r){
			v[rt]=a[l];
			return;
		}
		int mid=(l+r)>>1;
		build(rt<<1,l,mid);
		build(rt<<1|1,mid+1,r);
		v[rt]=max(v[rt<<1],v[rt<<1|1]);
	}
	void update(int rt,int l,int r,int ll,long long xx){
		if(l==r){
			v[rt]=xx;
			return;
		}
		int mid=(l+r)>>1;
		if(xx<=mid)update(rt<<1,l,mid,ll,xx);
		else update(rt<<1|1,mid+1,r,ll,xx);
		v[rt]=max(v[rt<<1],v[rt<<1|1]);
		return;
	}
	void change(int x,long long y){
		if(a[x]==y)return;
		a[x]=y;
		update(1,1,num,x,y);
		return;
	}
	long long query(int rt,int l,int r,int ll,int rr){
		if(l>rr||r<ll)return 0;
		if(l>=ll&&r<=rr)return v[rt];
		int mid=(l+r)>>1;
		return max(query(rt<<1,l,mid,ll,rr),query(rt<<1|1,mid+1,r,ll,rr));
	}
}tr2,tr3;
struct seg1{
	vector<long long> a,b,f,g,lazyf,lazyg,fl;
	struct node{
		long long fmx,gmx,ans;
		node operator +(const node bb)const{
			node rtn;
			rtn.fmx=max(fmx,bb.fmx);
			rtn.gmx=max(gmx,bb.gmx);
			rtn.ans=max(ans,bb.ans);
			rtn.ans=max(rtn.ans,fmx+bb.gmx);
			return rtn;
		}
	};
	vector<node> v;
	void pushdown(int rt){
		if(lazyf[rt]){
			lazyf[rt<<1]+=lazyf[rt];
			lazyf[rt<<1|1]+=lazyf[rt];
			v[rt<<1].fmx+=lazyf[rt];
			v[rt<<1|1].fmx+=lazyf[rt];
			if(!fl[rt<<1])v[rt<<1].ans+=lazyf[rt];
			if(!fl[rt<<1|1])v[rt<<1|1].ans+=lazyf[rt];
			lazyf[rt]=0;
		}
		if(lazyg[rt]){
			lazyg[rt<<1]+=lazyg[rt];
			lazyg[rt<<1|1]+=lazyg[rt];
			v[rt<<1].gmx+=lazyg[rt];
			v[rt<<1|1].gmx+=lazyg[rt];
			if(!fl[rt<<1])v[rt<<1].ans+=lazyg[rt];
			if(!fl[rt<<1|1])v[rt<<1|1].ans+=lazyg[rt];
			lazyg[rt]=0;
		}
	}
	void build(int rt,int l,int r){
		if(l==r){
			v[rt].fmx=f[l];
			v[rt].gmx=g[l];
			v[rt].ans=0;
			fl[rt]=1;
			return;
		}
		int mid=(l+r)>>1;
		build(rt<<1,l,mid);
		build(rt<<1|1,mid+1,r);
		v[rt]=v[rt<<1]+v[rt<<1|1];
		return; 
	} 
	node query1(int rt,int l,int r,int ll){
		if(l==r)return v[rt];
		int mid=(l+r)>>1;
		node tmp=v[rt<<1];
		tmp.ans=tmp.gmx=0;
		pushdown(rt);
		node tttmp=query1(rt<<1,l,mid,ll);
		tttmp=tttmp+v[rt<<1|1];
//		cout<<tttmp.ans<<endl;
		tttmp=tmp+query1(rt<<1|1,mid+1,r,ll);
//		cout<<tttmp.ans<<endl;
//		cout<<v[rt].ans<<endl;
		if(ll<=mid)return query1(rt<<1,l,mid,ll)+v[rt<<1|1];
		else return tmp+query1(rt<<1|1,mid+1,r,ll);
	}
	node query2(int rt,int l,int r,int ll){
		if(l==r)return v[rt];
		int mid=(l+r)>>1;
		node tmp=v[rt<<1|1];
		tmp.ans=tmp.fmx=0;
		pushdown(rt);
		if(ll<=mid)return query2(rt<<1,l,mid,ll)+tmp;
		else return v[rt<<1]+query2(rt<<1|1,mid+1,r,ll);
	}
	node query3(int rt,int l,int r,int ll){
		if(l>ll){
			node tmp=v[rt];
			tmp.fmx=tmp.ans=0;
			return tmp;
		}
		if(r<=ll){
			node tmp=v[rt];
			tmp.gmx=tmp.ans=0;
			return tmp;
		}
		int mid=(l+r)>>1;
		pushdown(rt);
		return query3(rt<<1,l,mid,ll)+query3(rt<<1|1,mid+1,r,ll);
	}
	node query4(int rt,int l,int r,int ll,int rr){
		if(l>=ll&&r<=rr)return v[rt];
		if(l>rr){
			node tmp;
			tmp.gmx=tmp.fmx=tmp.ans=0;
			return tmp;
		}
		if(r<ll){
			node tmp=v[rt];
			tmp.gmx=tmp.ans=0;
			return tmp;
		}
		int mid=(l+r)>>1;
		pushdown(rt);
		return query4(rt<<1,l,mid,ll,rr)+query4(rt<<1|1,mid+1,r,ll,rr);
	}
	long long Query1(int x){
		node rtn=query1(1,1,c,x);
		long long tmp=max(rtn.ans,rtn.fmx);
		return max(tmp,rtn.gmx);
	}
	long long Query2(int x){
		node rtn=query2(1,1,c,x);
		long long tmp=max(rtn.ans,rtn.fmx);
		return max(tmp,rtn.gmx);
	}
	long long Query3(int l,int r){
		node rtn=query3(1,1,c,r);
		long long tmp=max(0ll,rtn.fmx)+max(0ll,rtn.gmx);
		rtn=query4(1,1,c,l,r);
		tmp=max(tmp,rtn.gmx);
		tmp=max(tmp,rtn.fmx);
		tmp=max(tmp,rtn.ans);
		return tmp;
	}
	void update1(int rt,int l,int r,int ll,int rr,long long xx){
		if(l>rr||r<ll)return;
		if(l>=ll&&r<=rr){
			lazyg[rt]+=xx;
			v[rt].gmx+=xx;
			if(l!=r)v[rt].ans+=xx;
			return;
		}
		int mid=(l+r)>>1;
		pushdown(rt);
		update1(rt<<1,l,mid,ll,rr,xx);
		update1(rt<<1|1,mid+1,r,ll,rr,xx);
		v[rt]=v[rt<<1]+v[rt<<1|1];
	}
	void update2(int rt,int l,int r,int ll,int rr,long long xx){
		if(l>rr||r<ll)return;
		if(l>=ll&&r<=rr){
			lazyf[rt]+=xx;
			v[rt].fmx+=xx;
			if(l!=r)v[rt].ans+=xx;
			return;
		}
		int mid=(l+r)>>1;
		pushdown(rt);
		update2(rt<<1,l,mid,ll,rr,xx);
		update2(rt<<1|1,mid+1,r,ll,rr,xx);
		v[rt]=v[rt<<1]+v[rt<<1|1];
	}
	void bbuild(){
		for(int i=1;i<=c;i++)f[i]=f[i-1]+b[i];
		for(int i=c;i;i--)g[i]=g[i+1]+a[i];
		build(1,1,c);
		return;
	}
	void change1(int x,long long y){
		if(a[x]==y)return;
		update1(1,1,c,1,x,y-a[x]);
		a[x]=y;
	}
	void change2(int x,long long y){
		if(b[x]==y)return;
		update2(1,1,c,x,c,y-b[x]);
		b[x]=y;
	}
}tr1;
struct seg0{
	struct node{
		long long ls,rs,ss,mx;
		node operator +(const node bb){
			node rtn;
			rtn.ls=max(ls,ss+bb.ls);
			rtn.rs=max(ss+bb.rs,rs);
			rtn.ss=ss+bb.ss;
			rtn.mx=max(mx,bb.mx);
			rtn.mx=max(rtn.mx,rs+bb.ls);
			return rtn;
		}
	}v[1000009];
	long long a[200009];
	void build(int rt,int l,int r){
		if(l==r){
			v[rt].ls=v[rt].rs=v[rt].ss=v[rt].mx=a[l];
			return;
		}
		int mid=(l+r)>>1;
		build(rt<<1,l,mid);
		build(rt<<1|1,mid+1,r);
		v[rt]=v[rt<<1]+v[rt<<1|1];
	}
	void update(int rt,int l,int r,int ll,int yy){
		if(l==r){
			a[ll]=yy;
			v[rt].ls=v[rt].rs=v[rt].ss=v[rt].mx=yy;
			return;
		}
		int mid=(l+r)>>1;
		if(ll<=mid)update(rt<<1,l,mid,ll,yy);
		else update(rt<<1|1,mid+1,r,ll,yy);
		v[rt]=v[rt<<1]+v[rt<<1|1];
	}
	node query(int rt,int l,int r,int ll,int rr){
		if(l>=ll&&r<=rr)return v[rt];
		int mid=(l+r)>>1;
		if(ll<=mid&&rr>mid)return query(rt<<1,l,mid,ll,rr)+query(rt<<1|1,mid+1,r,ll,rr);
		if(ll<=mid)return query(rt<<1,l,mid,ll,rr);
		else return query(rt<<1|1,mid+1,r,ll,rr);
	}
} tr0;
int main(){
	long long n,m,bl[200009],lb[200009],a[200009],op,x,y,ans;
	scanf("%lld%lld%lld",&n,&m,&c);
	num=c;
	bl[0]=0;
	for(int i=1;i<=n;i++){
		scanf("%lld",a+i);
		num++;
		if(num<=c){
			bl[i]=bl[i-1];
			lb[i]=num;
		}
		else{
			bl[i]=bl[i-1]+1;
			lb[i]=1;
			num=1;
		}
	}
	num=bl[n];
	vector<seg1> tr1;
	tr1.resize(num+2);
	for(int i=1;i<=num;i++){
		tr1[i].a.resize(c+2);
		tr1[i].b.resize(c+2);
		tr1[i].g.resize(c+2);
		tr1[i].f.resize(c+2);
		tr1[i].fl.resize((c+2)<<1);
		tr1[i].lazyf.resize((c+2)<<1);
		tr1[i].lazyg.resize((c+2)<<1);
		tr1[i].v.resize((c+2)<<1);
	}
	tr2.a.resize(num+2);
	tr2.v.resize((num+2)<<1);
	tr3.a.resize(num+2);
	tr3.v.resize((num+2)<<1);
	for(int i=1;i<=n;i++){
		tr1[bl[i]].a[lb[i]]=a[i];
		if(bl[i]>1)tr1[bl[i]-1].b[lb[i]]=a[i];
		tr0.a[i]=a[i];
	}
	tr0.build(1,1,n);
	for(int i=1;i<=num;i++){
//		cout<<i<<endl;
		tr1[i].bbuild();
//		cout<<i<<endl;
		tr2.a[bl[i]]=tr0.query(1,1,n,bl[i]*c-c+1,bl[i]*c).mx;
//		cout<<i<<endl;
		tr3.a[bl[i]]=tr1[i].v[1].ans;
//		cout<<i<<endl;
	}
	tr2.build(1,1,num);
	tr3.build(1,1,num); 
	for(int i=1;i<=m;i++){
		scanf("%lld",&op);
		if(op==1){
			scanf("%lld%lld",&x,&y);
			tr0.update(1,1,n,x,y);
			tr1[bl[x]].change1(lb[x],y);
			if(bl[x]>1)tr1[bl[x]-1].change2(lb[x],y);
			tr2.change(bl[x],tr0.query(1,1,n,bl[x]*c-c+1,bl[x]*c).mx);
			if(bl[x]>1)tr3.change(bl[x]-1,tr1[bl[x]-1].v[1].ans);
			tr3.change(bl[x],tr1[bl[x]].v[1].ans);
		}
		else{
			scanf("%lld%lld",&x,&y);
			if(y-x+1<=c){
				printf("%lld\n",max(tr0.query(1,1,n,x,y).mx,0ll));
			}
			else if(bl[y]==bl[x]+1){
				ans=tr1[bl[x]].Query3(lb[x],lb[y]);
				ans=max(ans,tr0.query(1,1,n,x,x+c-1).mx);
				ans=max(ans,tr0.query(1,1,n,y-c+1,y).mx);
//				cout<<tr0.query(1,1,n,x,x+c-1).mx<<" "<<tr0.query(1,1,n,y-c+1,y).mx<<endl;
				printf("%lld\n",max(ans,0ll)); 
			}
			else if(bl[y]==bl[x]+2){
				ans=max(tr1[bl[x]].Query1(lb[x]),tr1[bl[y]-1].Query2(lb[y]));
				ans=max(ans,tr2.a[bl[x]+1]);
				ans=max(ans,tr0.query(1,1,n,x,x+c-1).mx);
				ans=max(ans,tr0.query(1,1,n,y-c+1,y).mx);
				printf("%lld\n",max(ans,0ll));
			}
			else{
				ans=max(tr1[bl[x]].Query1(lb[x]),tr1[bl[y]-1].Query2(lb[y]));
				ans=max(ans,tr2.query(1,1,num,bl[x]+1,bl[y]-1));
				ans=max(ans,tr3.query(1,1,num,bl[x]+1,bl[y]-2));
				ans=max(ans,tr0.query(1,1,n,x,x+c-1).mx);
				ans=max(ans,tr0.query(1,1,n,y-c+1,y).mx);
				printf("%lld\n",max(ans,0ll));
			}
		}
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 8500kb

input:

5 6 3
0 -5 -3 8 -3
2 3 5
1 2 5
2 1 5
1 4 -3
2 3 5
2 1 5

output:

8
10
0
5

result:

ok 4 number(s): "8 10 0 5"

Test #2:

score: -100
Wrong Answer
time: 758ms
memory: 169220kb

input:

200000 500000 1
387060158 961744470 37167782 737122872 -532977662 1604246 -30977399 871848791 444997246 454204578 -813187501 -660394286 448014171 -835115276 -631880452 887715308 258530352 805589560 -414653327 -156732249 -335096199 -80266237 367896009 738406627 -903652056 446120866 415658444 -1347916...

output:

999902477
999981999
999343404
999847372
999957587
998160312
999981999
999981999
999981999
999980061
999981999
999981999
999981999
999876122
999981999
999996602
999981999
999981999
999981999
999723649
999981999
999957587
999896087
999981999
999981999
999981999
999981999
999981999
999957587
999981999
...

result:

wrong answer 622nd numbers differ - expected: '999932568', found: '999921057'