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답안 #895119

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
895119 2023-12-29T12:50:18 Z amirhoseinfar1385 별자리 3 (JOI20_constellation3) C++17
35 / 100
 1500 ms 24956 KB 
#include<bits/stdc++.h>
using namespace std;
const long long maxn=200000+10;
struct node{
	long long x,y,w,l,r;
}allq[maxn];
long long all[maxn],q,n;
vector<long long>sn,si;
pair<long long,long long>val[maxn],fakeval[maxn];
bool cmpn(long long a,long long b){
	return allq[a].y<allq[b].y;
}

bool cmpi(long long a,long long b){
	if(all[a]==all[b]){
		return a<b;
	}
	return all[a]<all[b];
}

void callr()
{
	for(long long i=1;i<=q;i++){
		long long l=allq[i].x,r=allq[i].x;
		while(l!=0&&all[l]<allq[i].y){
			l--;
		}
		while(r!=n+1&&all[r]<allq[i].y){
			r++;
		}
		allq[i].l=l;
		allq[i].r=r;
	}
}
long long mainres=0;

void updn(long long ind){
	long long res=0,resa=0;
	long long maxa=-1;
	for(long long i=allq[ind].x;i<allq[ind].r;i++){
		if(all[i]>=maxa){
			res+=val[i].second;
			maxa=all[i];
		}
	}
	maxa=-1;
	for(long long i=allq[ind].x;i>allq[ind].l;i--){
		if(all[i]>=maxa){
			res+=val[i].first;
			maxa=all[i];
		}
	}
	res+=resa+allq[ind].w;
	fakeval[allq[ind].r].first=max(fakeval[allq[ind].r].first,res);
	fakeval[allq[ind].l].second=max(fakeval[allq[ind].l].second,res);
//	cout<<ind<<" "<<allq[ind].l<<" "<<allq[ind].r<<" "<<res<<"\n";
	mainres=max(mainres,res);
}

void upd(long long ind){
	val[ind]=fakeval[ind];
//	cout<<ind<<" "<<val[ind].first<<" "<<val[ind].second<<"\n";
	long long res=0,maxa=-1;
	vector<long long>v;
	long long i=ind-1;
	while(i!=0&&all[i]<all[ind]){
		if(all[i]>maxa){
			v.clear();
			maxa=all[i];
			v.push_back(i);
		}
		else if(all[i]==maxa){
			v.push_back(i);
		}
		i--;
	}
	if((long long)v.size()>0){
		for(auto x:v){
			res+=val[x].second;
		}
		res+=val[v.back()].first;
		val[ind].first=max(val[ind].first,res);
	}
	res=0,maxa=-1;
	v.clear();
	i=ind+1;


	while(i!=n+1&&all[i]<all[ind]){
		if(all[i]>maxa){
			v.clear();
			maxa=all[i];
			v.push_back(i);
		}
		else if(all[i]==maxa){
			v.push_back(i);
		}
		i++;
	}
	if((long long)v.size()>0){
		for(auto x:v){
			res+=val[x].first;
		}
		res+=val[v.back()].second;
		val[ind].second=max(val[ind].second,res);
	}
	mainres=max(mainres,max(val[ind].first,val[ind].second));
}

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin>>n;
	for(long long i=1;i<=n;i++){
		cin>>all[i];
		si.push_back(i);
	}
	cin>>q;
	long long suma=0;
	for(long long i=1;i<=q;i++){
		sn.push_back(i);
		cin>>allq[i].x>>allq[i].y>>allq[i].w;
		suma+=allq[i].w;
	}
	callr();
	sort(sn.begin(),sn.end(),cmpn);
	sort(si.begin(),si.end(),cmpi);
	long long i=0,j=0;
	while(i<(long long)sn.size()&&j<(long long)si.size()){
		if(allq[sn[i]].y<=all[si[j]]){
			updn(sn[i]);
			i++;
		}
		else{
			upd(si[j]);
			j++;
		}
	}
	while(i<(long long)sn.size()){
		updn(sn[i]);
		i++;
	}
	while(j<(long long)si.size()){
		upd(si[j]);
		j++;
	}
	long long now=(long long)si.size()-1;
	long long res=val[si[now]].second;
	while(now!=0&&all[si[now-1]]==all[si[now]]){
		now--;
		res+=val[si[now]].second;
	}
	res+=val[si[now]].first;
	mainres=max(mainres,res);
	mainres=suma-mainres;
	cout<<mainres<<"\n";
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6644 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6608 KB Output is correct
9 Correct 1 ms 6488 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6488 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6488 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6644 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6608 KB Output is correct
9 Correct 1 ms 6488 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6488 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6488 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 2 ms 6748 KB Output is correct
24 Correct 2 ms 6492 KB Output is correct
25 Correct 2 ms 6492 KB Output is correct
26 Correct 2 ms 6748 KB Output is correct
27 Correct 2 ms 6748 KB Output is correct
28 Correct 2 ms 6620 KB Output is correct
29 Correct 2 ms 6628 KB Output is correct
30 Correct 2 ms 6748 KB Output is correct
31 Correct 2 ms 6748 KB Output is correct
32 Correct 6 ms 6720 KB Output is correct
33 Correct 7 ms 6748 KB Output is correct
34 Correct 6 ms 6492 KB Output is correct
35 Correct 6 ms 7000 KB Output is correct
36 Correct 5 ms 6492 KB Output is correct
37 Correct 5 ms 6492 KB Output is correct
38 Correct 5 ms 6492 KB Output is correct
39 Correct 4 ms 6492 KB Output is correct
40 Correct 6 ms 6736 KB Output is correct
41 Correct 4 ms 6744 KB Output is correct
42 Correct 3 ms 6740 KB Output is correct
43 Correct 6 ms 6748 KB Output is correct
44 Correct 4 ms 6492 KB Output is correct

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6644 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6608 KB Output is correct
9 Correct 1 ms 6488 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6488 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6488 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 2 ms 6748 KB Output is correct
24 Correct 2 ms 6492 KB Output is correct
25 Correct 2 ms 6492 KB Output is correct
26 Correct 2 ms 6748 KB Output is correct
27 Correct 2 ms 6748 KB Output is correct
28 Correct 2 ms 6620 KB Output is correct
29 Correct 2 ms 6628 KB Output is correct
30 Correct 2 ms 6748 KB Output is correct
31 Correct 2 ms 6748 KB Output is correct
32 Correct 6 ms 6720 KB Output is correct
33 Correct 7 ms 6748 KB Output is correct
34 Correct 6 ms 6492 KB Output is correct
35 Correct 6 ms 7000 KB Output is correct
36 Correct 5 ms 6492 KB Output is correct
37 Correct 5 ms 6492 KB Output is correct
38 Correct 5 ms 6492 KB Output is correct
39 Correct 4 ms 6492 KB Output is correct
40 Correct 6 ms 6736 KB Output is correct
41 Correct 4 ms 6744 KB Output is correct
42 Correct 3 ms 6740 KB Output is correct
43 Correct 6 ms 6748 KB Output is correct
44 Correct 4 ms 6492 KB Output is correct
45 Correct 172 ms 24744 KB Output is correct
46 Correct 170 ms 24316 KB Output is correct
47 Correct 175 ms 24904 KB Output is correct
48 Correct 173 ms 24120 KB Output is correct
49 Correct 169 ms 24432 KB Output is correct
50 Correct 168 ms 24180 KB Output is correct
51 Correct 172 ms 24460 KB Output is correct
52 Correct 175 ms 24956 KB Output is correct
53 Correct 174 ms 24396 KB Output is correct
54 Execution timed out 1547 ms 20460 KB Time limit exceeded
55 Halted 0 ms 0 KB -