oj.uz

Submission #861987

# Submission time Handle Problem Language Result Execution time Memory
861987 2023-10-17T10:28:31 Z willychan Team Contest (JOI22_team) C++14
100 / 100
 107 ms 15596 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
//#include<bits/extc++.h>
//__gnu_pbds

vector<int> Y;
vector<int> Z;
vector<int> X;

vector<int>	ordery;
vector<int> rg;
struct seg{
	vector<int> arr;
	int n;
	void init(int S){
		n = S;
		arr.resize(2*S);
	}
	void chmax(int l,int r,int v){
		l+=n;r+=n;	
		while(l<r){
			if(l&1){arr[l] = max(arr[l],v);l++;}
			if(r&1){r--;arr[r] = max(arr[r],v);}
			l>>=1;r>>=1;
		}
	}
	int get(int ind){
		ind+=n;
		int ans = 0;
		while(ind){
			ans = max(ans,arr[ind]);
			ind>>=1;
		}
		return ans;
	}
} sgt;
/*
6
12 10 2
3 4 16
1 8 11
9 13 17
15 5 14
18 6 7

0,3 <=4
*/
int P = -1;
map<int,int> posP;
int n;
void add(int ind){
	int k = ordery[ind];
	sgt.chmax(rg[k],n,Z[ind]);
	if(posP.size()==0){
		if(k>P){
			if(sgt.get(k)>Z[ind]) P=k;
			else posP[Y[ind]]=ind;
		}
		return;
	}
	auto it = posP.upper_bound(Y[ind]);
	if(it==posP.end() || Z[it->second]>=Z[ind]){
		int g = it->second;
		--it;
		while(posP.begin()->second!=g){
			if(Z[it->second]>=Z[ind]) posP.erase(it--);
			else break;
		}
		if(k>P){
		posP[Y[ind]]=ind;
		if(sgt.get(k)>Z[ind]){
			P = k;
			while(posP.size() && ordery[posP.begin()->second]<=P){
				posP.erase(posP.begin());
			}
		}
		}
	}else{
		int g = it->second;
		while(posP.size() && posP.begin()->second!=g){posP.erase(posP.begin());}
		while(posP.size() && sgt.get(ordery[posP.begin()->second])>Z[posP.begin()->second]){
			P=ordery[posP.begin()->second];
			posP.erase(posP.begin());
		}
	}
}


int main(){
	ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	cin>>n;	
//	cout<<n<<"\n";
	X.resize(n);
	Y.resize(n);
	Z.resize(n);
	vector<int> w(n);
	sgt.init(n);
	for(int i=0;i<n;i++) cin>>X[i]>>Y[i]>>Z[i];
	//for(int i=0;i<n;i++) cout<<X[i]<<" "<<Y[i]<<" "<<Z[i]<<"\n";
	vector<int> order(n);
	vector<int> oty(n);
	ordery.resize(n);
	for(int i=0;i<n;i++) order[i]=i;
	sort(order.begin(),order.end(),[&](const int a,const int b){return (Y[a]==Y[b])?(Z[a]>Z[b]):(Y[a]<Y[b]);});
	for(int i=0;i<n;i++){
		oty[i]=order[i];
		ordery[order[i]]=i;
	}
	rg.resize(n,0);
	int head = 0;
	for(int i=0;i<n;i++){
		while(head<n && Y[order[head]]<=Y[order[i]]) head++;
		rg[i]=head;
	}
	sort(order.begin(),order.end(),[&](const int a,const int b){return (X[a]==X[b])?(Y[a]>Y[b]):(X[a]<X[b]);});
	int prevx = -1;
	queue<int> tobeadd;	
	int ans = -1;
	for(auto i : order){
		//cout<<i<<":\n";
		if(X[i]!=prevx){
			while(tobeadd.size()){
				add(tobeadd.front());
				tobeadd.pop();
			}
		}
		 //cout<<((P==-1)?(-1):(oty[P]))<<"\n";
		//for(auto i : posP) cout<<i.second<<" ";
		//cout<<"\n";
		if(P>=0 && Y[oty[P]]>Y[i] && sgt.get(P)>Z[i]){
			ans = max(ans,X[i]+Y[oty[P]]+sgt.get(P));	
		}
		prevx = X[i];
		tobeadd.push(i);
	}
	cout<<ans<<"\n";
	return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 460 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 452 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 460 KB Output is correct
25 Correct 1 ms 348 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 460 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 452 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 460 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 2 ms 856 KB Output is correct
28 Correct 2 ms 600 KB Output is correct
29 Correct 3 ms 732 KB Output is correct
30 Correct 2 ms 604 KB Output is correct
31 Correct 2 ms 412 KB Output is correct
32 Correct 2 ms 604 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 908 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 2 ms 604 KB Output is correct
38 Correct 2 ms 604 KB Output is correct
39 Correct 1 ms 348 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 42 ms 7000 KB Output is correct
12 Correct 27 ms 4956 KB Output is correct
13 Correct 29 ms 5980 KB Output is correct
14 Correct 41 ms 7532 KB Output is correct
15 Correct 35 ms 7508 KB Output is correct
16 Correct 26 ms 7508 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 42 ms 7000 KB Output is correct
12 Correct 27 ms 4956 KB Output is correct
13 Correct 29 ms 5980 KB Output is correct
14 Correct 41 ms 7532 KB Output is correct
15 Correct 35 ms 7508 KB Output is correct
16 Correct 26 ms 7508 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 460 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 54 ms 7068 KB Output is correct
23 Correct 48 ms 7000 KB Output is correct
24 Correct 41 ms 5324 KB Output is correct
25 Correct 50 ms 7156 KB Output is correct
26 Correct 34 ms 7516 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 42 ms 7000 KB Output is correct
12 Correct 27 ms 4956 KB Output is correct
13 Correct 29 ms 5980 KB Output is correct
14 Correct 41 ms 7532 KB Output is correct
15 Correct 35 ms 7508 KB Output is correct
16 Correct 26 ms 7508 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 460 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 54 ms 7068 KB Output is correct
23 Correct 48 ms 7000 KB Output is correct
24 Correct 41 ms 5324 KB Output is correct
25 Correct 50 ms 7156 KB Output is correct
26 Correct 34 ms 7516 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 2 ms 604 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 70 ms 7280 KB Output is correct
35 Correct 67 ms 6728 KB Output is correct
36 Correct 72 ms 7248 KB Output is correct
37 Correct 69 ms 7248 KB Output is correct
38 Correct 42 ms 7676 KB Output is correct
39 Correct 19 ms 4948 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 42 ms 7000 KB Output is correct
12 Correct 27 ms 4956 KB Output is correct
13 Correct 29 ms 5980 KB Output is correct
14 Correct 41 ms 7532 KB Output is correct
15 Correct 35 ms 7508 KB Output is correct
16 Correct 26 ms 7508 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 460 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 54 ms 7068 KB Output is correct
23 Correct 48 ms 7000 KB Output is correct
24 Correct 41 ms 5324 KB Output is correct
25 Correct 50 ms 7156 KB Output is correct
26 Correct 34 ms 7516 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 2 ms 604 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 70 ms 7280 KB Output is correct
35 Correct 67 ms 6728 KB Output is correct
36 Correct 72 ms 7248 KB Output is correct
37 Correct 69 ms 7248 KB Output is correct
38 Correct 42 ms 7676 KB Output is correct
39 Correct 19 ms 4948 KB Output is correct
40 Correct 2 ms 600 KB Output is correct
41 Correct 2 ms 600 KB Output is correct
42 Correct 2 ms 604 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 84 ms 7412 KB Output is correct
45 Correct 84 ms 7552 KB Output is correct
46 Correct 85 ms 7508 KB Output is correct
47 Correct 92 ms 7768 KB Output is correct
48 Correct 43 ms 8016 KB Output is correct

Subtask #7
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 460 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 452 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 460 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 2 ms 856 KB Output is correct
28 Correct 2 ms 600 KB Output is correct
29 Correct 3 ms 732 KB Output is correct
30 Correct 2 ms 604 KB Output is correct
31 Correct 2 ms 412 KB Output is correct
32 Correct 2 ms 604 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 908 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 2 ms 604 KB Output is correct
38 Correct 2 ms 604 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 344 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 42 ms 7000 KB Output is correct
51 Correct 27 ms 4956 KB Output is correct
52 Correct 29 ms 5980 KB Output is correct
53 Correct 41 ms 7532 KB Output is correct
54 Correct 35 ms 7508 KB Output is correct
55 Correct 26 ms 7508 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 460 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 1 ms 344 KB Output is correct
61 Correct 54 ms 7068 KB Output is correct
62 Correct 48 ms 7000 KB Output is correct
63 Correct 41 ms 5324 KB Output is correct
64 Correct 50 ms 7156 KB Output is correct
65 Correct 34 ms 7516 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 0 ms 348 KB Output is correct
68 Correct 0 ms 348 KB Output is correct
69 Correct 0 ms 348 KB Output is correct
70 Correct 2 ms 604 KB Output is correct
71 Correct 1 ms 348 KB Output is correct
72 Correct 1 ms 348 KB Output is correct
73 Correct 70 ms 7280 KB Output is correct
74 Correct 67 ms 6728 KB Output is correct
75 Correct 72 ms 7248 KB Output is correct
76 Correct 69 ms 7248 KB Output is correct
77 Correct 42 ms 7676 KB Output is correct
78 Correct 19 ms 4948 KB Output is correct
79 Correct 2 ms 600 KB Output is correct
80 Correct 2 ms 600 KB Output is correct
81 Correct 2 ms 604 KB Output is correct
82 Correct 2 ms 604 KB Output is correct
83 Correct 84 ms 7412 KB Output is correct
84 Correct 84 ms 7552 KB Output is correct
85 Correct 85 ms 7508 KB Output is correct
86 Correct 92 ms 7768 KB Output is correct
87 Correct 43 ms 8016 KB Output is correct
88 Correct 84 ms 8532 KB Output is correct
89 Correct 99 ms 9092 KB Output is correct
90 Correct 89 ms 8528 KB Output is correct
91 Correct 107 ms 9352 KB Output is correct
92 Correct 91 ms 8020 KB Output is correct
93 Correct 98 ms 8668 KB Output is correct
94 Correct 97 ms 8532 KB Output is correct
95 Correct 53 ms 8784 KB Output is correct
96 Correct 103 ms 15596 KB Output is correct
97 Correct 39 ms 9044 KB Output is correct
98 Correct 67 ms 9300 KB Output is correct
99 Correct 85 ms 9300 KB Output is correct