oj.uz

Submission #572487

# Submission time Handle Problem Language Result Execution time Memory
572487 2022-06-04T13:29:05 Z sidon Team Contest (JOI22_team) C++17
73 / 100
 164 ms 9172 KB 
#include <bits/stdc++.h>
using namespace std;
#define maxim(X, Y) (X = max(X, Y))
#define all(X) begin(X), end(X)

const int INF = 2e9+5;

struct DS {
	map<int, int> a;
	void add(int i, int v) {
		auto f = a.upper_bound(i);
		if(f != begin(a) && prev(f)->second >= v) return;
		a[i] = v;
		while(f != end(a) && f->second <= v)
			f = a.erase(f);
	}
	int query(int i) {
		auto f = a.upper_bound(i);
		if(f == begin(a)) return -INF;
		return prev(f)->second;
	}
};

struct BIT {
	int n;
	vector<DS> a;
	BIT(int N) : n(N), a(N+1) {}
	void update(int i, int j, int v) {
		for(++i; i <= n; i += i&-i) a[i].add(j, v);
	}
	int query(int i, int j) {
		int v = -INF;
		for(++i; i >= 1; i -= i&-i) maxim(v, a[i].query(j));
		return v;
	}
};

int main() {
	ios::sync_with_stdio(0), cin.tie(0);

	int N; cin >> N;
	array<int, 3> a[N];
	vector<int> C[2];
	array<int, 2> sz, c[N];

	for(auto &[x, y, z] : a) {
		cin >> x >> y >> z;
		C[0].push_back(x);
		C[1].push_back(y);
	}
	DS f[2];

	for(int i = 0; i < 2; ++i) {
		sort(all(C[i]));
		C[i].erase(unique(all(C[i])), end(C[i]));
	}

	sort(a, a + N, [&](const auto &i, const auto &j) {
		return i[2] < j[2];
	});

	BIT b(sz[0]);

	for(int i = 0; i < N; ++i)
		for(int k = 0; k < 2; ++k)
			c[i][k] = sz[k] - 1 - (lower_bound(all(C[k]), a[i][k]) - begin(C[k]));

	int ans = -INF;

	for(int l = 0, r; l < N; l = r) {
		for(r = l + 1; r < N && a[l][2] == a[r][2]; ++r);

		for(int i = l; i < r; ++i)
			maxim(ans, a[i][2] + b.query(c[i][0] - 1, c[i][1] - 1));

		for(int i = l; i < r; ++i) {
			int j = f[0].query(sz[0] - 2 - c[i][0]);
			if(j > sz[1] - 1 - c[i][1])
				b.update(c[i][0], sz[1] - 1 - j, a[i][0] + C[1][j]);

			j = f[1].query(sz[1] - 2 - c[i][1]);
			if(j > sz[0] - 1 - c[i][0])
				b.update(sz[0] - 1 - j, c[i][1], a[i][1] + C[0][j]);

			for(int k = 0; k < 2; ++k)
				f[k].add(sz[k] - 1 - c[i][k], sz[!k] - 1 - c[i][!k]);
		}
	}

	cout << max(ans, int(-1));
}

Compilation message

team.cpp: In function 'int main()':
team.cpp:62:13: warning: 'sz' may be used uninitialized in this function [-Wmaybe-uninitialized]
   62 |  BIT b(sz[0]);
      |             ^
team.cpp:66:24: warning: ''target_mem_ref' not supported by dump_expr<expression error>' may be used uninitialized in this function [-Wmaybe-uninitialized]
   66 |    c[i][k] = sz[k] - 1 - (lower_bound(all(C[k]), a[i][k]) - begin(C[k]));
team.cpp:78:17: warning: '*((void*)& sz +4)' may be used uninitialized in this function [-Wmaybe-uninitialized]
   78 |    if(j > sz[1] - 1 - c[i][1])

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 516 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 0 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 516 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 0 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 5 ms 724 KB Output is correct
27 Correct 5 ms 724 KB Output is correct
28 Correct 4 ms 708 KB Output is correct
29 Correct 6 ms 596 KB Output is correct
30 Correct 3 ms 596 KB Output is correct
31 Correct 6 ms 596 KB Output is correct
32 Correct 3 ms 596 KB Output is correct
33 Correct 4 ms 596 KB Output is correct
34 Correct 5 ms 980 KB Output is correct
35 Correct 2 ms 468 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 4 ms 596 KB Output is correct
38 Correct 3 ms 596 KB Output is correct
39 Correct 2 ms 596 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 64 ms 5016 KB Output is correct
12 Correct 47 ms 3280 KB Output is correct
13 Correct 35 ms 3916 KB Output is correct
14 Correct 64 ms 4936 KB Output is correct
15 Correct 50 ms 4976 KB Output is correct
16 Correct 48 ms 4924 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 64 ms 5016 KB Output is correct
12 Correct 47 ms 3280 KB Output is correct
13 Correct 35 ms 3916 KB Output is correct
14 Correct 64 ms 4936 KB Output is correct
15 Correct 50 ms 4976 KB Output is correct
16 Correct 48 ms 4924 KB Output is correct
17 Correct 0 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 0 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 596 KB Output is correct
22 Correct 72 ms 4936 KB Output is correct
23 Correct 75 ms 4876 KB Output is correct
24 Correct 47 ms 3408 KB Output is correct
25 Correct 64 ms 4964 KB Output is correct
26 Correct 47 ms 4956 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 64 ms 5016 KB Output is correct
12 Correct 47 ms 3280 KB Output is correct
13 Correct 35 ms 3916 KB Output is correct
14 Correct 64 ms 4936 KB Output is correct
15 Correct 50 ms 4976 KB Output is correct
16 Correct 48 ms 4924 KB Output is correct
17 Correct 0 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 0 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 596 KB Output is correct
22 Correct 72 ms 4936 KB Output is correct
23 Correct 75 ms 4876 KB Output is correct
24 Correct 47 ms 3408 KB Output is correct
25 Correct 64 ms 4964 KB Output is correct
26 Correct 47 ms 4956 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 4 ms 596 KB Output is correct
32 Correct 1 ms 584 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 88 ms 4788 KB Output is correct
35 Correct 77 ms 4756 KB Output is correct
36 Correct 83 ms 5008 KB Output is correct
37 Correct 99 ms 4976 KB Output is correct
38 Correct 76 ms 5016 KB Output is correct
39 Correct 49 ms 3024 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 64 ms 5016 KB Output is correct
12 Correct 47 ms 3280 KB Output is correct
13 Correct 35 ms 3916 KB Output is correct
14 Correct 64 ms 4936 KB Output is correct
15 Correct 50 ms 4976 KB Output is correct
16 Correct 48 ms 4924 KB Output is correct
17 Correct 0 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 0 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 596 KB Output is correct
22 Correct 72 ms 4936 KB Output is correct
23 Correct 75 ms 4876 KB Output is correct
24 Correct 47 ms 3408 KB Output is correct
25 Correct 64 ms 4964 KB Output is correct
26 Correct 47 ms 4956 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 4 ms 596 KB Output is correct
32 Correct 1 ms 584 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 88 ms 4788 KB Output is correct
35 Correct 77 ms 4756 KB Output is correct
36 Correct 83 ms 5008 KB Output is correct
37 Correct 99 ms 4976 KB Output is correct
38 Correct 76 ms 5016 KB Output is correct
39 Correct 49 ms 3024 KB Output is correct
40 Correct 4 ms 596 KB Output is correct
41 Correct 4 ms 596 KB Output is correct
42 Correct 2 ms 596 KB Output is correct
43 Correct 5 ms 724 KB Output is correct
44 Correct 141 ms 4896 KB Output is correct
45 Correct 164 ms 5008 KB Output is correct
46 Correct 127 ms 4928 KB Output is correct
47 Correct 127 ms 4992 KB Output is correct
48 Correct 61 ms 5008 KB Output is correct

Subtask #7
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 516 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 0 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 5 ms 724 KB Output is correct
27 Correct 5 ms 724 KB Output is correct
28 Correct 4 ms 708 KB Output is correct
29 Correct 6 ms 596 KB Output is correct
30 Correct 3 ms 596 KB Output is correct
31 Correct 6 ms 596 KB Output is correct
32 Correct 3 ms 596 KB Output is correct
33 Correct 4 ms 596 KB Output is correct
34 Correct 5 ms 980 KB Output is correct
35 Correct 2 ms 468 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 4 ms 596 KB Output is correct
38 Correct 3 ms 596 KB Output is correct
39 Correct 2 ms 596 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 0 ms 468 KB Output is correct
44 Correct 0 ms 468 KB Output is correct
45 Correct 1 ms 468 KB Output is correct
46 Correct 1 ms 512 KB Output is correct
47 Correct 1 ms 468 KB Output is correct
48 Correct 1 ms 468 KB Output is correct
49 Correct 1 ms 468 KB Output is correct
50 Correct 64 ms 5016 KB Output is correct
51 Correct 47 ms 3280 KB Output is correct
52 Correct 35 ms 3916 KB Output is correct
53 Correct 64 ms 4936 KB Output is correct
54 Correct 50 ms 4976 KB Output is correct
55 Correct 48 ms 4924 KB Output is correct
56 Correct 0 ms 468 KB Output is correct
57 Correct 1 ms 468 KB Output is correct
58 Correct 0 ms 468 KB Output is correct
59 Correct 1 ms 468 KB Output is correct
60 Correct 1 ms 596 KB Output is correct
61 Correct 72 ms 4936 KB Output is correct
62 Correct 75 ms 4876 KB Output is correct
63 Correct 47 ms 3408 KB Output is correct
64 Correct 64 ms 4964 KB Output is correct
65 Correct 47 ms 4956 KB Output is correct
66 Correct 1 ms 468 KB Output is correct
67 Correct 1 ms 468 KB Output is correct
68 Correct 1 ms 468 KB Output is correct
69 Correct 1 ms 468 KB Output is correct
70 Correct 4 ms 596 KB Output is correct
71 Correct 1 ms 584 KB Output is correct
72 Correct 1 ms 468 KB Output is correct
73 Correct 88 ms 4788 KB Output is correct
74 Correct 77 ms 4756 KB Output is correct
75 Correct 83 ms 5008 KB Output is correct
76 Correct 99 ms 4976 KB Output is correct
77 Correct 76 ms 5016 KB Output is correct
78 Correct 49 ms 3024 KB Output is correct
79 Correct 4 ms 596 KB Output is correct
80 Correct 4 ms 596 KB Output is correct
81 Correct 2 ms 596 KB Output is correct
82 Correct 5 ms 724 KB Output is correct
83 Correct 141 ms 4896 KB Output is correct
84 Correct 164 ms 5008 KB Output is correct
85 Correct 127 ms 4928 KB Output is correct
86 Correct 127 ms 4992 KB Output is correct
87 Correct 61 ms 5008 KB Output is correct
88 Runtime error 138 ms 9172 KB Execution killed with signal 11
89 Halted 0 ms 0 KB -