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Submission #861723

# Submission time Handle Problem Language Result Execution time Memory
861723 2023-10-16T18:24:50 Z ziu Team Contest (JOI22_team) C++14
100 / 100
 86 ms 8016 KB 
#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 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 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 348 KB Output is correct
8 Correct 0 ms 348 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 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 464 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 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 756 KB Output is correct
22 Correct 1 ms 504 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 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 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 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 348 KB Output is correct
8 Correct 0 ms 348 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 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 464 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 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 756 KB Output is correct
22 Correct 1 ms 504 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 2 ms 604 KB Output is correct
28 Correct 2 ms 468 KB Output is correct
29 Correct 2 ms 652 KB Output is correct
30 Correct 2 ms 348 KB Output is correct
31 Correct 2 ms 548 KB Output is correct
32 Correct 1 ms 552 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 1 ms 600 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 2 ms 596 KB Output is correct
39 Correct 1 ms 364 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 360 KB Output is correct
2 Correct 0 ms 360 KB Output is correct
3 Correct 0 ms 360 KB Output is correct
4 Correct 0 ms 360 KB Output is correct
5 Correct 0 ms 356 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 28 ms 4640 KB Output is correct
12 Correct 20 ms 3420 KB Output is correct
13 Correct 22 ms 3952 KB Output is correct
14 Correct 30 ms 4688 KB Output is correct
15 Correct 27 ms 4844 KB Output is correct
16 Correct 24 ms 4700 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 360 KB Output is correct
2 Correct 0 ms 360 KB Output is correct
3 Correct 0 ms 360 KB Output is correct
4 Correct 0 ms 360 KB Output is correct
5 Correct 0 ms 356 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 28 ms 4640 KB Output is correct
12 Correct 20 ms 3420 KB Output is correct
13 Correct 22 ms 3952 KB Output is correct
14 Correct 30 ms 4688 KB Output is correct
15 Correct 27 ms 4844 KB Output is correct
16 Correct 24 ms 4700 KB Output is correct
17 Correct 1 ms 612 KB Output is correct
18 Correct 0 ms 356 KB Output is correct
19 Correct 1 ms 608 KB Output is correct
20 Correct 1 ms 360 KB Output is correct
21 Correct 1 ms 360 KB Output is correct
22 Correct 36 ms 4968 KB Output is correct
23 Correct 32 ms 4700 KB Output is correct
24 Correct 27 ms 3672 KB Output is correct
25 Correct 38 ms 5036 KB Output is correct
26 Correct 29 ms 4956 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 360 KB Output is correct
2 Correct 0 ms 360 KB Output is correct
3 Correct 0 ms 360 KB Output is correct
4 Correct 0 ms 360 KB Output is correct
5 Correct 0 ms 356 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 28 ms 4640 KB Output is correct
12 Correct 20 ms 3420 KB Output is correct
13 Correct 22 ms 3952 KB Output is correct
14 Correct 30 ms 4688 KB Output is correct
15 Correct 27 ms 4844 KB Output is correct
16 Correct 24 ms 4700 KB Output is correct
17 Correct 1 ms 612 KB Output is correct
18 Correct 0 ms 356 KB Output is correct
19 Correct 1 ms 608 KB Output is correct
20 Correct 1 ms 360 KB Output is correct
21 Correct 1 ms 360 KB Output is correct
22 Correct 36 ms 4968 KB Output is correct
23 Correct 32 ms 4700 KB Output is correct
24 Correct 27 ms 3672 KB Output is correct
25 Correct 38 ms 5036 KB Output is correct
26 Correct 29 ms 4956 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 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 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 43 ms 5340 KB Output is correct
35 Correct 41 ms 5064 KB Output is correct
36 Correct 47 ms 5464 KB Output is correct
37 Correct 46 ms 5620 KB Output is correct
38 Correct 33 ms 5376 KB Output is correct
39 Correct 21 ms 3832 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 360 KB Output is correct
2 Correct 0 ms 360 KB Output is correct
3 Correct 0 ms 360 KB Output is correct
4 Correct 0 ms 360 KB Output is correct
5 Correct 0 ms 356 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 28 ms 4640 KB Output is correct
12 Correct 20 ms 3420 KB Output is correct
13 Correct 22 ms 3952 KB Output is correct
14 Correct 30 ms 4688 KB Output is correct
15 Correct 27 ms 4844 KB Output is correct
16 Correct 24 ms 4700 KB Output is correct
17 Correct 1 ms 612 KB Output is correct
18 Correct 0 ms 356 KB Output is correct
19 Correct 1 ms 608 KB Output is correct
20 Correct 1 ms 360 KB Output is correct
21 Correct 1 ms 360 KB Output is correct
22 Correct 36 ms 4968 KB Output is correct
23 Correct 32 ms 4700 KB Output is correct
24 Correct 27 ms 3672 KB Output is correct
25 Correct 38 ms 5036 KB Output is correct
26 Correct 29 ms 4956 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 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 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 43 ms 5340 KB Output is correct
35 Correct 41 ms 5064 KB Output is correct
36 Correct 47 ms 5464 KB Output is correct
37 Correct 46 ms 5620 KB Output is correct
38 Correct 33 ms 5376 KB Output is correct
39 Correct 21 ms 3832 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 2 ms 348 KB Output is correct
42 Correct 1 ms 604 KB Output is correct
43 Correct 2 ms 600 KB Output is correct
44 Correct 55 ms 6060 KB Output is correct
45 Correct 59 ms 6112 KB Output is correct
46 Correct 59 ms 6060 KB Output is correct
47 Correct 57 ms 5968 KB Output is correct
48 Correct 40 ms 5980 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 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 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 348 KB Output is correct
8 Correct 0 ms 348 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 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 464 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 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 756 KB Output is correct
22 Correct 1 ms 504 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 2 ms 604 KB Output is correct
28 Correct 2 ms 468 KB Output is correct
29 Correct 2 ms 652 KB Output is correct
30 Correct 2 ms 348 KB Output is correct
31 Correct 2 ms 548 KB Output is correct
32 Correct 1 ms 552 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 1 ms 600 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 2 ms 596 KB Output is correct
39 Correct 1 ms 364 KB Output is correct
40 Correct 0 ms 360 KB Output is correct
41 Correct 0 ms 360 KB Output is correct
42 Correct 0 ms 360 KB Output is correct
43 Correct 0 ms 360 KB Output is correct
44 Correct 0 ms 356 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 344 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 28 ms 4640 KB Output is correct
51 Correct 20 ms 3420 KB Output is correct
52 Correct 22 ms 3952 KB Output is correct
53 Correct 30 ms 4688 KB Output is correct
54 Correct 27 ms 4844 KB Output is correct
55 Correct 24 ms 4700 KB Output is correct
56 Correct 1 ms 612 KB Output is correct
57 Correct 0 ms 356 KB Output is correct
58 Correct 1 ms 608 KB Output is correct
59 Correct 1 ms 360 KB Output is correct
60 Correct 1 ms 360 KB Output is correct
61 Correct 36 ms 4968 KB Output is correct
62 Correct 32 ms 4700 KB Output is correct
63 Correct 27 ms 3672 KB Output is correct
64 Correct 38 ms 5036 KB Output is correct
65 Correct 29 ms 4956 KB Output is correct
66 Correct 1 ms 348 KB Output is correct
67 Correct 0 ms 348 KB Output is correct
68 Correct 1 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 0 ms 348 KB Output is correct
72 Correct 1 ms 348 KB Output is correct
73 Correct 43 ms 5340 KB Output is correct
74 Correct 41 ms 5064 KB Output is correct
75 Correct 47 ms 5464 KB Output is correct
76 Correct 46 ms 5620 KB Output is correct
77 Correct 33 ms 5376 KB Output is correct
78 Correct 21 ms 3832 KB Output is correct
79 Correct 1 ms 348 KB Output is correct
80 Correct 2 ms 348 KB Output is correct
81 Correct 1 ms 604 KB Output is correct
82 Correct 2 ms 600 KB Output is correct
83 Correct 55 ms 6060 KB Output is correct
84 Correct 59 ms 6112 KB Output is correct
85 Correct 59 ms 6060 KB Output is correct
86 Correct 57 ms 5968 KB Output is correct
87 Correct 40 ms 5980 KB Output is correct
88 Correct 72 ms 7852 KB Output is correct
89 Correct 72 ms 7900 KB Output is correct
90 Correct 69 ms 7760 KB Output is correct
91 Correct 86 ms 8016 KB Output is correct
92 Correct 65 ms 6420 KB Output is correct
93 Correct 69 ms 6764 KB Output is correct
94 Correct 75 ms 6480 KB Output is correct
95 Correct 57 ms 7784 KB Output is correct
96 Correct 71 ms 7900 KB Output is correct
97 Correct 39 ms 7760 KB Output is correct
98 Correct 34 ms 6492 KB Output is correct
99 Correct 83 ms 6484 KB Output is correct