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Submission #634502

# Submission time Handle Problem Language Result Execution time Memory
634502 2022-08-24T13:30:05 Z LittleCube Team Contest (JOI22_team) C++14
37 / 100
 2000 ms 6220 KB 
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define F first
#define S second
using namespace std;

struct ppl
{
	ll x, y, z;
} a[150005];

int N;
map<int, int> mp;
ll ans = -1, bit[150005];

void init()
{
	for(int i = 1; i <= N; i++)
		bit[i] = -1e10;
}

void modify(int pos, ll val)
{
	for(int i = pos; i <= N; i += (i & -i))
		bit[i] = max(bit[i], val);
}

ll query(int pos)
{
	ll ans = -1e10;
	for(int i = pos; i > 0; i -= (i & -i))
		ans = max(ans, bit[i]);
	return ans;
}

int ypos[150005];

signed main()
{
	cin >> N;
	for(int i = 1; i <= N; i++)
		cin >> a[i].x >> a[i].y >> a[i].z;
	sort(a + 1, a + 1 + N, [&](ppl p, ppl q){ return make_tuple(p.x, p.y, p.z) < make_tuple(q.x, q.y, q.z); });

	// N = unique(a + 1, a + 1 + N, [&](ppl p, ppl q){ return make_tuple(p.x, p.y, p.z) == make_tuple(q.x, q.y, q.z); }) - a;
	


	int t = 2;
	while(t--)
	{	
		vector<int> v;
		for(int i = 1; i <= N; i++)
			v.emplace_back(a[i].y);
		sort(v.begin(), v.end());
		for(int i = 1; i <= N; i++)
			ypos[i] = lower_bound(v.begin(), v.end(), a[i].y) - v.begin() + 1;
		init();

		for(int i = 1, nxt = 1; i <= N; i++)
		{	
			while(a[nxt].x < a[i].x)
			{
				modify(ypos[nxt], a[nxt].z);
				nxt++;
			}

			for(int j = 1; a[j].x < a[i].x; j++)
			{
				if(a[j].y <= a[i].y)
					continue;
				ll mxz = query(ypos[j] - 1);
				if(mxz > max(a[j].z, a[i].z))
					ans = max(ans, a[i].x + a[j].y + mxz);
			}
		}
		for(int i = 1; i <= N; i++)
			swap(a[i].y, a[i].z);
	}
	cout << ans << '\n';
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 236 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 260 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 3 ms 340 KB Output is correct
15 Correct 2 ms 340 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 2 ms 340 KB Output is correct
18 Correct 2 ms 220 KB Output is correct
19 Correct 2 ms 224 KB Output is correct
20 Correct 2 ms 352 KB Output is correct
21 Correct 1 ms 224 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 212 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 236 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 260 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 3 ms 340 KB Output is correct
15 Correct 2 ms 340 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 2 ms 340 KB Output is correct
18 Correct 2 ms 220 KB Output is correct
19 Correct 2 ms 224 KB Output is correct
20 Correct 2 ms 352 KB Output is correct
21 Correct 1 ms 224 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 179 ms 492 KB Output is correct
27 Correct 151 ms 480 KB Output is correct
28 Correct 113 ms 488 KB Output is correct
29 Correct 77 ms 408 KB Output is correct
30 Correct 55 ms 340 KB Output is correct
31 Correct 150 ms 476 KB Output is correct
32 Correct 135 ms 476 KB Output is correct
33 Correct 24 ms 488 KB Output is correct
34 Correct 27 ms 400 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 3 ms 340 KB Output is correct
37 Correct 17 ms 508 KB Output is correct
38 Correct 23 ms 480 KB Output is correct
39 Correct 27 ms 352 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 224 KB Output is correct
2 Correct 1 ms 224 KB Output is correct
3 Correct 1 ms 224 KB Output is correct
4 Correct 1 ms 224 KB Output is correct
5 Correct 0 ms 224 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Execution timed out 2058 ms 6220 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #4
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 224 KB Output is correct
2 Correct 1 ms 224 KB Output is correct
3 Correct 1 ms 224 KB Output is correct
4 Correct 1 ms 224 KB Output is correct
5 Correct 0 ms 224 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Execution timed out 2058 ms 6220 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 224 KB Output is correct
2 Correct 1 ms 224 KB Output is correct
3 Correct 1 ms 224 KB Output is correct
4 Correct 1 ms 224 KB Output is correct
5 Correct 0 ms 224 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Execution timed out 2058 ms 6220 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 224 KB Output is correct
2 Correct 1 ms 224 KB Output is correct
3 Correct 1 ms 224 KB Output is correct
4 Correct 1 ms 224 KB Output is correct
5 Correct 0 ms 224 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Execution timed out 2058 ms 6220 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #7
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 236 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 260 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 3 ms 340 KB Output is correct
15 Correct 2 ms 340 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 2 ms 340 KB Output is correct
18 Correct 2 ms 220 KB Output is correct
19 Correct 2 ms 224 KB Output is correct
20 Correct 2 ms 352 KB Output is correct
21 Correct 1 ms 224 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 179 ms 492 KB Output is correct
27 Correct 151 ms 480 KB Output is correct
28 Correct 113 ms 488 KB Output is correct
29 Correct 77 ms 408 KB Output is correct
30 Correct 55 ms 340 KB Output is correct
31 Correct 150 ms 476 KB Output is correct
32 Correct 135 ms 476 KB Output is correct
33 Correct 24 ms 488 KB Output is correct
34 Correct 27 ms 400 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 3 ms 340 KB Output is correct
37 Correct 17 ms 508 KB Output is correct
38 Correct 23 ms 480 KB Output is correct
39 Correct 27 ms 352 KB Output is correct
40 Correct 1 ms 224 KB Output is correct
41 Correct 1 ms 224 KB Output is correct
42 Correct 1 ms 224 KB Output is correct
43 Correct 1 ms 224 KB Output is correct
44 Correct 0 ms 224 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Execution timed out 2058 ms 6220 KB Time limit exceeded
51 Halted 0 ms 0 KB -