oj.uz

답안 #887497

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
887497 2023-12-14T16:10:49 Z Ahmed57 Team Contest (JOI22_team) C++17
18 / 100
 78 ms 12124 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
long long seg1[1800001],seg2[1800001];
pair<long long,long long> seg3[1800001],seg4[1800001];

void build(int p,int l,int r){
	seg1[p] = seg2[p] = -1e9;
	seg3[p] = {-1e9,-1e9};
	seg4[p] = {-1e9,-1e9};
    if(l==r){
        return ;
    }
    int md = (l+r)/2;
    build(p*2,l,md);build(p*2+1,md+1,r);
}
void update1(int p,int l,int r,int idx,long long val){
	if(l==r){
		seg1[p] = max(seg1[p],val);
		return ;
	}
	int md = (l+r)/2;
	if(idx<=md)update1(p*2,l,md,idx,val);
	else update1(p*2+1,md+1,r,idx,val);
	seg1[p] = max(seg1[p*2],seg1[p*2+1]);
}void update2(int p,int l,int r,int idx,long long val){
	if(l==r){
		seg2[p] = max(seg2[p],val);
		return ;
	}
	int md = (l+r)/2;
	if(idx<=md)update2(p*2,l,md,idx,val);
	else update2(p*2+1,md+1,r,idx,val);
	seg2[p] = max(seg2[p*2],seg2[p*2+1]);
}void update3(int p,int l,int r,int idx,long long val2,long long val){
	if(l==r){
		seg3[p] = max(seg3[p],make_pair(val,val+val2));
		return ;
	}
	int md = (l+r)/2;
	if(idx<=md)update3(p*2,l,md,idx,val2,val);
	else update3(p*2+1,md+1,r,idx,val2,val);
	seg3[p] = max(seg3[p*2],seg3[p*2+1]);
}void update4(int p,int l,int r,int idx,long long val2,long long val){
	if(l==r){
		seg4[p] = max(seg4[p],make_pair(val,val+val2));
		return ;
	}
	int md = (l+r)/2;
	if(idx<=md)update4(p*2,l,md,idx,val2,val);
	else update4(p*2+1,md+1,r,idx,val2,val);
	seg4[p] = max(seg4[p*2],seg4[p*2+1]);
}
long long query1(int p,int l,int r,int lq,int rq){
	if(r<lq||l>rq||lq>rq)return -1e9;
    if(l>=lq&&r<=rq)return seg1[p];
    int md = (l+r)/2;
    return max(query1(p*2,l,md,lq,rq),query1(p*2+1,md+1,r,lq,rq));
}long long query2(int p,int l,int r,int lq,int rq){
	if(r<lq||l>rq||lq>rq)return -1e9;
    if(l>=lq&&r<=rq)return seg2[p];
    int md = (l+r)/2;
    return max(query2(p*2,l,md,lq,rq),query2(p*2+1,md+1,r,lq,rq));
}long long query3(int p,int l,int r,int lq,int rq,int limit){
	if(r<lq||l>rq||lq>rq)return -1e9;
    if(l>=lq&&r<=rq){
    	if(seg3[p].first>limit)return seg3[p].second;
    	else return -1e9;
    }
    int md = (l+r)/2;
    return max(query3(p*2,l,md,lq,rq,limit),query3(p*2+1,md+1,r,lq,rq,limit));
}long long query4(int p,int l,int r,int lq,int rq,int limit){
	if(r<lq||l>rq||lq>rq)return -1e9;
    if(l>=lq&&r<=rq){
    	if(seg4[p].first>limit)return seg4[p].second;
    	else return -1e9;
    }
    int md = (l+r)/2;
    return max(query4(p*2,l,md,lq,rq,limit),query4(p*2+1,md+1,r,lq,rq,limit));
}
signed main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	//freopen("input.txt","r",stdin);
	//freopen("output.txt","w",stdout);
	int n;
	cin>>n;
	vector<array<long long,3>> v;
	map<int,int> mp,sav;
	for(int i = 0;i<n;i++){
		long long a,b,c;cin>>a>>b>>c;
		v.push_back({a,b,c});
		mp[a]++;
		mp[b]++;
		mp[c]++;
	}
	int cnt = 0;
	for(auto i:mp){
		sav[i.first] = ++cnt;
	}
	sort(v.begin(),v.end());
	int ind = 0;
	long long ans = -1e9;
	build(1,1,cnt);
	for(int i = 0;i<n;i++){
        while(v[ind][0]<v[i][0]){
            {//taking first as max
                long long val = query1(1,1,cnt,1,v[ind][1]-1);
                if(val>v[ind][2]){
                	update3(1,1,cnt,sav[v[ind][1]],v[ind][1],val);
                }
            }
            {
                long long val = query2(1,1,cnt,1,v[ind][2]-1);
                if(val>v[ind][1]){
                	update4(1,1,cnt,sav[v[ind][2]],v[ind][2],val);
                }
            }
            update1(1,1,cnt,sav[v[ind][1]],v[ind][2]);
            update2(1,1,cnt,sav[v[ind][2]],v[ind][1]);
            ind++;
        }
        ans = max(ans,v[i][0]+max(query3(1,1,cnt,sav[v[i][1]]+1,cnt,v[i][2]),query4(1,1,cnt,sav[v[i][2]]+1,cnt,v[i][1])));
	}
	cout<<(ans<0?-1:ans)<<endl;
}

Subtask #1
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6488 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 6492 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 6492 KB Output is correct
9 Correct 1 ms 6492 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 2 ms 6780 KB Output is correct
15 Incorrect 2 ms 6492 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #2
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6488 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 6492 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 6492 KB Output is correct
9 Correct 1 ms 6492 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 2 ms 6780 KB Output is correct
15 Incorrect 2 ms 6492 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #3
9.0 / 9.0

# 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 6488 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6744 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 53 ms 11780 KB Output is correct
12 Correct 34 ms 8900 KB Output is correct
13 Correct 36 ms 9424 KB Output is correct
14 Correct 49 ms 11824 KB Output is correct
15 Correct 40 ms 11204 KB Output is correct
16 Correct 32 ms 11720 KB Output is correct

Subtask #4
9.0 / 9.0

# 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 6488 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6744 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 53 ms 11780 KB Output is correct
12 Correct 34 ms 8900 KB Output is correct
13 Correct 36 ms 9424 KB Output is correct
14 Correct 49 ms 11824 KB Output is correct
15 Correct 40 ms 11204 KB Output is correct
16 Correct 32 ms 11720 KB Output is correct
17 Correct 1 ms 6488 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 2 ms 6716 KB Output is correct
22 Correct 78 ms 11200 KB Output is correct
23 Correct 68 ms 10628 KB Output is correct
24 Correct 52 ms 9152 KB Output is correct
25 Correct 74 ms 11820 KB Output is correct
26 Correct 53 ms 12124 KB Output is correct

Subtask #5
0 / 9.0

# 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 6488 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6744 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 53 ms 11780 KB Output is correct
12 Correct 34 ms 8900 KB Output is correct
13 Correct 36 ms 9424 KB Output is correct
14 Correct 49 ms 11824 KB Output is correct
15 Correct 40 ms 11204 KB Output is correct
16 Correct 32 ms 11720 KB Output is correct
17 Correct 1 ms 6488 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 2 ms 6716 KB Output is correct
22 Correct 78 ms 11200 KB Output is correct
23 Correct 68 ms 10628 KB Output is correct
24 Correct 52 ms 9152 KB Output is correct
25 Correct 74 ms 11820 KB Output is correct
26 Correct 53 ms 12124 KB Output is correct
27 Incorrect 1 ms 6492 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #6
0 / 9.0

# 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 6488 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6744 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 53 ms 11780 KB Output is correct
12 Correct 34 ms 8900 KB Output is correct
13 Correct 36 ms 9424 KB Output is correct
14 Correct 49 ms 11824 KB Output is correct
15 Correct 40 ms 11204 KB Output is correct
16 Correct 32 ms 11720 KB Output is correct
17 Correct 1 ms 6488 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 2 ms 6716 KB Output is correct
22 Correct 78 ms 11200 KB Output is correct
23 Correct 68 ms 10628 KB Output is correct
24 Correct 52 ms 9152 KB Output is correct
25 Correct 74 ms 11820 KB Output is correct
26 Correct 53 ms 12124 KB Output is correct
27 Incorrect 1 ms 6492 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #7
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6488 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 6492 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 6492 KB Output is correct
9 Correct 1 ms 6492 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 2 ms 6780 KB Output is correct
15 Incorrect 2 ms 6492 KB Output isn't correct
16 Halted 0 ms 0 KB -