oj.uz

Submission #544504

# Submission time Handle Problem Language Result Execution time Memory
544504 2022-04-02T07:03:10 Z model_code Team Contest (JOI22_team) C++17
100 / 100
 138 ms 3980 KB 
/*
	[ SAMPLE SOURCE CODE FOR "TEAM CONTEST" ]
	Algorithm: Please refer to the editorial.
	Time Complexity: O(N log N)
*/

#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;

int main() {
	// step #1. read input
	cin.tie(0);
	ios_base::sync_with_stdio(false);
	int N;
	cin >> N;
	vector<int> X(N), Y(N), Z(N);
	for (int i = 0; i < N; i++) {
		cin >> X[i] >> Y[i] >> Z[i];
	}
	
	// step #2. erase from the top
	vector<int> px(N), py(N), pz(N);
	for (int i = 0; i < N; i++) {
		px[i] = i;
		py[i] = i;
		pz[i] = i;
	}
	sort(px.begin(), px.end(), [&](int i, int j) { return X[i] < X[j]; });
	sort(py.begin(), py.end(), [&](int i, int j) { return Y[i] < Y[j]; });
	sort(pz.begin(), pz.end(), [&](int i, int j) { return Z[i] < Z[j]; });
	vector<bool> used(N, false);
	int tx = N - 1, ty = N - 1, tz = N - 1;
	bool found = false;
	while (tx != -1 && ty != -1 && tz != -1) {
		int mx = X[px[tx]], my = Y[py[ty]], mz = Z[pz[tz]];
		int cntx = 1 + (Y[px[tx]] == my ? 1 : 0) + (Z[px[tx]] == mz ? 1 : 0);
		int cnty = 1 + (Z[py[ty]] == mz ? 1 : 0) + (X[py[ty]] == mx ? 1 : 0);
		int cntz = 1 + (X[pz[tz]] == mx ? 1 : 0) + (Y[pz[tz]] == my ? 1 : 0);
		if (cntx >= 2) {
			used[px[tx]] = true;
			tx--;
		}
		else if (cnty >= 2) {
			used[py[ty]] = true;
			ty--;
		}
		else if (cntz >= 2) {
			used[pz[tz]] = true;
			tz--;
		}
		else {
			cout << mx + my + mz << endl;
			found = true;
			break;
		}
		while (tx != -1 && used[px[tx]]) tx--;
		while (ty != -1 && used[py[ty]]) ty--;
		while (tz != -1 && used[pz[tz]]) tz--;
	}
	if (!found) {
		cout << -1 << endl;
	}
	
	return 0;
}

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 212 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 0 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 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 280 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 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 212 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 0 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 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 280 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 3 ms 340 KB Output is correct
27 Correct 3 ms 340 KB Output is correct
28 Correct 4 ms 340 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 3 ms 372 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 3 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 2 ms 340 KB Output is correct
38 Correct 3 ms 384 KB Output is correct
39 Correct 1 ms 340 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 240 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 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 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 Correct 53 ms 3764 KB Output is correct
12 Correct 26 ms 2772 KB Output is correct
13 Correct 41 ms 3176 KB Output is correct
14 Correct 45 ms 3840 KB Output is correct
15 Correct 51 ms 3848 KB Output is correct
16 Correct 33 ms 3848 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 240 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 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 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 Correct 53 ms 3764 KB Output is correct
12 Correct 26 ms 2772 KB Output is correct
13 Correct 41 ms 3176 KB Output is correct
14 Correct 45 ms 3840 KB Output is correct
15 Correct 51 ms 3848 KB Output is correct
16 Correct 33 ms 3848 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 50 ms 3740 KB Output is correct
23 Correct 42 ms 3704 KB Output is correct
24 Correct 54 ms 2892 KB Output is correct
25 Correct 78 ms 3764 KB Output is correct
26 Correct 55 ms 3844 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 240 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 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 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 Correct 53 ms 3764 KB Output is correct
12 Correct 26 ms 2772 KB Output is correct
13 Correct 41 ms 3176 KB Output is correct
14 Correct 45 ms 3840 KB Output is correct
15 Correct 51 ms 3848 KB Output is correct
16 Correct 33 ms 3848 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 50 ms 3740 KB Output is correct
23 Correct 42 ms 3704 KB Output is correct
24 Correct 54 ms 2892 KB Output is correct
25 Correct 78 ms 3764 KB Output is correct
26 Correct 55 ms 3844 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 2 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 3 ms 368 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 59 ms 3672 KB Output is correct
35 Correct 70 ms 3504 KB Output is correct
36 Correct 64 ms 3756 KB Output is correct
37 Correct 81 ms 3848 KB Output is correct
38 Correct 63 ms 3716 KB Output is correct
39 Correct 28 ms 2412 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 240 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 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 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 Correct 53 ms 3764 KB Output is correct
12 Correct 26 ms 2772 KB Output is correct
13 Correct 41 ms 3176 KB Output is correct
14 Correct 45 ms 3840 KB Output is correct
15 Correct 51 ms 3848 KB Output is correct
16 Correct 33 ms 3848 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 50 ms 3740 KB Output is correct
23 Correct 42 ms 3704 KB Output is correct
24 Correct 54 ms 2892 KB Output is correct
25 Correct 78 ms 3764 KB Output is correct
26 Correct 55 ms 3844 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 2 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 3 ms 368 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 59 ms 3672 KB Output is correct
35 Correct 70 ms 3504 KB Output is correct
36 Correct 64 ms 3756 KB Output is correct
37 Correct 81 ms 3848 KB Output is correct
38 Correct 63 ms 3716 KB Output is correct
39 Correct 28 ms 2412 KB Output is correct
40 Correct 2 ms 340 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 3 ms 340 KB Output is correct
44 Correct 89 ms 3868 KB Output is correct
45 Correct 83 ms 3744 KB Output is correct
46 Correct 82 ms 3852 KB Output is correct
47 Correct 83 ms 3844 KB Output is correct
48 Correct 76 ms 3844 KB Output is correct

Subtask #7
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 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 0 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 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 280 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 3 ms 340 KB Output is correct
27 Correct 3 ms 340 KB Output is correct
28 Correct 4 ms 340 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 3 ms 372 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 3 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 2 ms 340 KB Output is correct
38 Correct 3 ms 384 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 240 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 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 Correct 53 ms 3764 KB Output is correct
51 Correct 26 ms 2772 KB Output is correct
52 Correct 41 ms 3176 KB Output is correct
53 Correct 45 ms 3840 KB Output is correct
54 Correct 51 ms 3848 KB Output is correct
55 Correct 33 ms 3848 KB Output is correct
56 Correct 1 ms 212 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 1 ms 212 KB Output is correct
60 Correct 2 ms 340 KB Output is correct
61 Correct 50 ms 3740 KB Output is correct
62 Correct 42 ms 3704 KB Output is correct
63 Correct 54 ms 2892 KB Output is correct
64 Correct 78 ms 3764 KB Output is correct
65 Correct 55 ms 3844 KB Output is correct
66 Correct 1 ms 212 KB Output is correct
67 Correct 2 ms 212 KB Output is correct
68 Correct 1 ms 212 KB Output is correct
69 Correct 1 ms 212 KB Output is correct
70 Correct 3 ms 368 KB Output is correct
71 Correct 1 ms 340 KB Output is correct
72 Correct 1 ms 384 KB Output is correct
73 Correct 59 ms 3672 KB Output is correct
74 Correct 70 ms 3504 KB Output is correct
75 Correct 64 ms 3756 KB Output is correct
76 Correct 81 ms 3848 KB Output is correct
77 Correct 63 ms 3716 KB Output is correct
78 Correct 28 ms 2412 KB Output is correct
79 Correct 2 ms 340 KB Output is correct
80 Correct 3 ms 340 KB Output is correct
81 Correct 1 ms 340 KB Output is correct
82 Correct 3 ms 340 KB Output is correct
83 Correct 89 ms 3868 KB Output is correct
84 Correct 83 ms 3744 KB Output is correct
85 Correct 82 ms 3852 KB Output is correct
86 Correct 83 ms 3844 KB Output is correct
87 Correct 76 ms 3844 KB Output is correct
88 Correct 114 ms 3852 KB Output is correct
89 Correct 122 ms 3856 KB Output is correct
90 Correct 94 ms 3868 KB Output is correct
91 Correct 138 ms 3876 KB Output is correct
92 Correct 101 ms 3876 KB Output is correct
93 Correct 97 ms 3972 KB Output is correct
94 Correct 98 ms 3868 KB Output is correct
95 Correct 88 ms 3868 KB Output is correct
96 Correct 111 ms 3868 KB Output is correct
97 Correct 61 ms 3876 KB Output is correct
98 Correct 58 ms 3740 KB Output is correct
99 Correct 109 ms 3980 KB Output is correct