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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#20789#2468. IzboriJohnAlfnov15 262ms87072kbC++203.3kb2022-02-18 15:21:182022-05-03 11:27:43

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.
  • [2022-05-03 11:27:43]
  • 评测
  • 测评结果:15
  • 用时:262ms
  • 内存:87072kb
  • [2022-02-18 15:21:18]
  • 提交

answer

#include<bits/stdc++.h>
#define HaojiaShi
#ifdef HaojiaShi
#define DX 16777220
#else
#define DX 167
#endif
using namespace std;
namespace file_read{
    namespace input_file_io{
        char ib[1<<25],*ip1=ib,*ip2=ib;
        inline char gc(){
#ifdef HaojiaShi
            return (ip1==ip2&&(ip2=(ip1=ib)+fread(ib,1,1<<24,stdin)),ip1==ip2?EOF:*ip1++);
#else
			return getchar();
#endif
        }
        inline int read(){
            int x=0,f=1;
            char c=gc();
            while(c<'0'||c>'9'){
            	if(c=='-')f=-1;
            	c=gc();
			}
            while(c>='0'&&c<='9'){
                x=(x<<3)+(x<<1)+(c-'0');
                c=gc();
            }
            return x*f;
        }
    };
    using namespace input_file_io;
};
using namespace file_read;
long long s1[DX+5],s2[DX+5];
int l1[DX+5],l2[DX+5];
void pushdown1(int l,int r,int o){
	if(!l1[o])return;
	int mid=(l+r)>>1;
	l1[o<<1]+=l1[o];
	l1[o<<1|1]+=l1[o];
	s1[o<<1]+=1ll*(mid-l+1)*l1[o];
	s1[o<<1|1]+=1ll*(r-mid)*l1[o];
	l1[o]=0;
}
void pushdown2(int l,int r,int o){
	if(!l2[o])return;
	int mid=(l+r)>>1;
	l2[o<<1]+=l2[o];
	l2[o<<1|1]+=l2[o];
	s2[o<<1]+=-1ll*(l+mid)*(mid-l+1)/2*l2[o];
	s2[o<<1|1]+=-1ll*(mid+1+r)*(r-mid)/2*l2[o];
	l2[o]=0;
}
void add1(int l,int r,int o,int ll,int rr,int x){
	if(l>=ll&&r<=rr){
		l1[o]+=x;
		s1[o]+=1ll*(r-l+1)*x;
		return;
	}
	pushdown1(l,r,o);
	int mid=(l+r)>>1;
	if(mid>=ll)add1(l,mid,o<<1,ll,rr,x);
	if(mid<rr)add1(mid+1,r,o<<1|1,ll,rr,x);
	s1[o]=s1[o<<1]+s1[o<<1|1];
}
void add2(int l,int r,int o,int ll,int rr,int x){
	if(l>=ll&&r<=rr){
		l2[o]+=x;
		s2[o]+=-1ll*(l+r)*(r-l+1)/2*x;
		return;
	}
	pushdown2(l,r,o);
	int mid=(l+r)>>1;
	if(mid>=ll)add2(l,mid,o<<1,ll,rr,x);
	if(mid<rr)add2(mid+1,r,o<<1|1,ll,rr,x);
	s2[o]=s2[o<<1]+s2[o<<1|1];
}
long long query1(int l,int r,int o,int ll,int rr){
	if(l>=ll&&r<=rr)return s1[o];
	pushdown1(l,r,o);
	int mid=(l+r)>>1;
	long long ans=0;
	if(mid>=ll)ans+=query1(l,mid,o<<1,ll,rr);
	if(mid<rr)ans+=query1(mid+1,r,o<<1|1,ll,rr);
	return ans;
}
long long query2(int l,int r,int o,int ll,int rr){
	if(l>=ll&&r<=rr)return s2[o];
	pushdown2(l,r,o);
	int mid=(l+r)>>1;
	long long ans=0;
	if(mid>=ll)ans+=query2(l,mid,o<<1,ll,rr);
	if(mid<rr)ans+=query2(mid+1,r,o<<1|1,ll,rr);
	return ans;
}
int a[3000005];
vector<int>g[3000005];
int LL,RR,PY;
long long ans;
void add(int l,int r){
	if(l>r)return;
	l+=PY,r+=PY;
	if(LL<l)ans+=(r-l+1)*query1(LL,RR,1,LL,l-1);
	ans+=query2(LL,RR,1,l,r);
	ans+=r*query1(LL,RR,1,l,r);
	add1(LL,RR,1,l,r,1);
	add2(LL,RR,1,l,r,1);
}
void del(int l,int r){
	if(l>r)return;
	l+=PY,r+=PY;
	add1(LL,RR,1,l,r,-1);
	add2(LL,RR,1,l,r,-1);
}
int main(){
	int n=read();
	for(int i=1;i<=n;++i){
		a[i]=read();
		g[a[i]].emplace_back(i);
	}
	PY=n+1,LL=1,RR=n+n+1;
	ans=0;
	for(int i=1;i<=n;++i)if(g[i].size()){
		int s;
		g[i].emplace_back(n+1);
		s=0;
		add(s=(1-g[i][0]),0);
		for(int j=0;j<(signed)g[i].size()-1;++j){
			int L=g[i][j],R=g[i][j+1];
			++s;
			add(s,s);
			if(L+1<R){
				add(s-(R-L-1),s-1);
				s-=R-L-1;
			}
		}
		s=0;
		del(s=(1-g[i][0]),0);
		for(int j=0;j<(signed)g[i].size()-1;++j){
			int L=g[i][j],R=g[i][j+1];
			++s;
			del(s,s);
			if(L+1<R){
				del(s-(R-L-1),s-1);
				s-=R-L-1;
			}
		}
	}
	printf("%lld\n",ans);
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 0
Runtime Error

Test #1:

score: 0
Runtime Error

input:

10
942147545 450336559 589072061 942414770 141868244 766117816 508242564 347873370 140196153 821766606

output:


result:


Subtask #2:

score: 0
Runtime Error

Test #7:

score: 0
Runtime Error

input:

921
524767688 509815977 594114825 991570522 991979961 544018125 777680993 983750838 95962635 531067495 150617691 492786314 158077719 497465369 741403989 459469418 977138578 151552739 702032898 475129961 244853392 202522013 917454821 365887956 487159109 141392137 134488324 185031598 38901169 31318575...

output:


result:


Subtask #3:

score: 15
Accepted

Test #18:

score: 15
Accepted
time: 167ms
memory: 75124kb

input:

132639
1 2 1 2 2 2 2 2 2 1 2 2 2 1 2 2 1 2 1 1 2 1 1 1 2 1 2 2 2 2 1 1 2 2 1 2 1 2 2 1 2 1 2 2 1 2 1 1 1 2 1 2 1 2 2 1 1 1 1 1 1 2 2 2 2 1 1 1 1 2 2 2 2 1 1 1 2 1 1 1 2 2 1 1 1 2 2 2 2 1 2 2 2 2 2 1 1 2 2 2 2 2 2 1 1 2 1 2 2 2 2 2 1 2 1 2 1 2 1 1 1 2 1 1 2 1 1 1 1 2 1 1 2 1 2 1 1 1 2 1 2 2 1 2 1 1 2...

output:

8783382170

result:

ok single line: '8783382170'

Test #19:

score: 0
Accepted
time: 211ms
memory: 75556kb

input:

173817
1 1 1 2 2 2 2 1 1 1 2 2 1 1 2 2 1 1 1 1 2 1 1 2 2 1 2 2 2 2 1 2 1 1 2 2 2 2 2 1 1 2 1 1 1 1 1 1 2 1 2 2 1 2 2 1 1 1 2 1 1 1 1 2 1 2 1 1 2 1 1 1 2 1 1 2 1 1 1 2 1 2 1 1 2 2 1 2 2 2 1 1 2 1 2 1 2 1 2 1 1 2 1 1 1 1 1 2 1 1 2 2 2 1 1 1 1 2 2 1 1 1 2 1 2 1 2 2 1 2 1 1 1 2 2 1 2 1 1 1 1 2 2 2 2 2 1...

output:

15075709853

result:

ok single line: '15075709853'

Test #20:

score: 0
Accepted
time: 126ms
memory: 74796kb

input:

101140
1 1 2 1 2 1 2 1 2 2 2 1 2 2 2 2 1 2 2 1 1 1 2 2 2 2 2 1 1 1 2 1 2 2 2 1 2 1 1 1 2 1 1 1 1 1 2 2 2 2 1 2 1 2 2 2 1 2 1 2 1 2 2 1 1 1 1 2 1 2 2 1 1 1 1 1 1 2 1 2 1 1 1 1 1 2 2 1 1 1 2 1 1 2 1 1 1 1 1 2 2 2 1 2 1 1 1 1 1 1 1 2 1 1 1 2 2 1 2 1 2 2 2 1 1 1 1 1 2 2 2 1 1 1 1 2 2 2 2 2 2 1 1 1 2 2 2...

output:

5098687920

result:

ok single line: '5098687920'

Test #21:

score: 0
Accepted
time: 223ms
memory: 75688kb

input:

181968
2 1 2 1 2 2 1 2 2 2 1 1 1 1 2 1 2 2 1 1 2 2 2 2 1 1 1 1 1 2 1 1 2 2 2 2 1 2 1 2 2 1 2 1 2 2 2 1 2 2 2 1 1 2 1 2 1 2 2 2 1 1 2 2 1 2 2 1 2 2 1 2 1 2 2 1 2 1 2 1 2 2 1 1 2 2 2 2 1 2 1 1 1 2 1 2 1 2 2 2 2 1 1 2 2 1 2 1 1 2 1 1 2 2 2 2 2 1 2 2 1 2 2 2 1 2 2 1 2 1 1 2 2 1 2 1 1 2 1 1 1 1 2 1 2 1 1...

output:

16531060131

result:

ok single line: '16531060131'

Test #22:

score: 0
Accepted
time: 231ms
memory: 75676kb

input:

188622
2 2 1 2 1 2 1 2 1 2 1 1 1 1 1 2 1 1 2 2 1 2 1 1 2 2 2 1 1 2 1 1 1 2 1 1 1 2 1 2 1 2 1 2 1 1 2 2 1 2 1 1 2 1 2 2 1 2 1 1 1 1 2 1 1 1 1 1 2 2 2 2 1 1 2 1 2 1 1 1 1 2 1 2 2 1 2 2 1 2 1 2 1 2 2 2 1 1 1 1 1 1 2 1 1 2 2 1 1 2 1 2 2 1 1 1 1 1 1 1 1 2 2 1 2 2 2 1 2 1 2 1 1 1 2 2 1 2 1 2 2 2 1 1 2 1 2...

output:

17753612469

result:

ok single line: '17753612469'

Test #23:

score: 0
Accepted
time: 262ms
memory: 75824kb

input:

200000
2 1 2 1 2 1 2 2 2 1 2 2 1 1 1 2 1 1 2 1 2 2 2 1 2 1 2 2 2 2 2 2 1 1 2 2 1 1 1 2 1 2 1 1 1 2 2 2 2 1 2 2 2 2 1 1 1 2 1 2 1 1 1 2 2 1 2 2 1 1 1 2 2 2 1 1 2 2 2 1 2 2 1 1 2 1 2 2 1 2 2 2 2 1 2 2 2 1 2 1 1 1 2 2 1 1 1 2 2 2 1 2 2 1 1 1 2 1 1 2 1 1 1 2 2 1 2 1 1 2 1 2 2 2 2 1 2 2 2 1 1 1 2 2 1 2 2...

output:

19966666586

result:

ok single line: '19966666586'

Test #24:

score: 0
Accepted
time: 241ms
memory: 75828kb

input:

200000
2 2 1 2 2 1 2 2 1 2 2 2 2 2 2 1 1 1 1 2 1 2 2 1 1 1 1 1 1 1 1 1 1 1 2 1 2 1 2 2 2 2 1 2 1 2 2 2 1 1 2 1 2 1 2 1 1 2 2 2 1 2 2 1 2 2 1 1 2 1 2 1 1 1 2 1 2 2 1 1 1 2 1 2 2 1 2 2 2 1 1 1 2 2 1 2 1 1 1 2 1 1 1 2 1 1 2 2 1 2 1 2 1 2 2 1 2 2 2 1 1 2 2 1 1 1 1 1 1 2 1 1 1 1 1 1 2 1 2 1 2 2 1 2 2 2 1...

output:

19954274756

result:

ok single line: '19954274756'

Test #25:

score: 0
Accepted
time: 244ms
memory: 76028kb

input:

200000
1 2 1 2 2 2 2 1 1 1 2 1 2 2 2 1 2 1 2 1 1 1 2 2 1 2 2 1 1 1 1 1 1 1 2 2 1 1 2 1 1 1 2 1 1 1 2 1 2 2 2 1 2 2 1 2 2 2 2 2 2 2 1 2 2 2 2 2 2 1 1 2 2 1 1 1 2 2 2 2 2 1 2 2 1 2 1 1 2 1 2 1 2 2 1 1 2 2 2 2 1 2 2 1 2 2 2 1 2 1 1 2 2 1 1 2 1 1 1 2 1 1 2 1 2 1 1 2 2 1 1 1 1 2 1 1 2 1 1 2 1 1 1 2 1 1 1...

output:

19965178643

result:

ok single line: '19965178643'

Test #26:

score: 0
Accepted
time: 250ms
memory: 75972kb

input:

200000
1 1 1 2 1 1 1 2 2 2 2 1 2 1 2 1 1 2 1 1 2 2 2 2 2 2 1 1 1 2 1 1 2 2 2 1 1 2 2 1 2 2 1 1 2 2 2 2 2 2 2 1 1 1 2 1 1 1 2 1 1 2 1 1 1 1 2 2 2 2 1 1 1 1 1 2 1 2 1 2 1 2 2 2 1 2 1 2 1 1 2 2 2 1 2 2 2 2 2 2 1 2 2 2 1 1 1 1 2 1 1 1 2 2 2 2 1 1 2 2 2 2 1 1 2 1 2 1 2 1 2 1 1 1 2 2 1 1 2 2 1 2 2 2 1 1 2...

output:

19958231053

result:

ok single line: '19958231053'

Test #27:

score: 0
Accepted
time: 243ms
memory: 75624kb

input:

200000
2 1 2 2 2 2 2 1 1 1 1 1 1 2 1 2 1 1 1 1 2 1 1 2 1 2 1 2 2 1 2 2 1 1 1 1 2 2 2 2 1 1 2 1 2 2 2 1 2 1 2 2 2 1 2 1 2 2 2 2 2 1 1 2 2 2 1 2 2 2 1 1 2 2 1 1 1 2 1 1 2 2 2 1 1 1 2 1 1 1 2 1 2 1 1 1 1 2 1 1 1 2 2 1 2 2 2 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 1 2 2 2 1 1 2 1 2 1 2 1 2 2 1 2 2 2 2 1 2 1 2 2...

output:

19940557707

result:

ok single line: '19940557707'

Test #28:

score: 0
Accepted
time: 186ms
memory: 87072kb

input:

200000
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2...

output:

20000100000

result:

ok single line: '20000100000'

Subtask #4:

score: 0
Runtime Error

Test #29:

score: 0
Runtime Error

input:

200000
369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369607912 369...

output:


result: