Submission #908867

# Submission time Handle Problem Language Result Execution time Memory
908867 2024-01-17T00:50:17 Z vjudge1 Team Contest (JOI22_team) C++17
100 / 100
79 ms 7880 KB
#include <bits/stdc++.h>
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;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 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 1 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 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 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 1 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 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 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 604 KB Output is correct
29 Correct 3 ms 604 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 2 ms 348 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 2 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 456 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 600 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 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 29 ms 4884 KB Output is correct
12 Correct 21 ms 3292 KB Output is correct
13 Correct 22 ms 3932 KB Output is correct
14 Correct 30 ms 4884 KB Output is correct
15 Correct 27 ms 4700 KB Output is correct
16 Correct 24 ms 4696 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 456 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 600 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 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 29 ms 4884 KB Output is correct
12 Correct 21 ms 3292 KB Output is correct
13 Correct 22 ms 3932 KB Output is correct
14 Correct 30 ms 4884 KB Output is correct
15 Correct 27 ms 4700 KB Output is correct
16 Correct 24 ms 4696 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 660 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 37 ms 4872 KB Output is correct
23 Correct 34 ms 4700 KB Output is correct
24 Correct 27 ms 3664 KB Output is correct
25 Correct 39 ms 4908 KB Output is correct
26 Correct 29 ms 4944 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 456 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 600 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 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 29 ms 4884 KB Output is correct
12 Correct 21 ms 3292 KB Output is correct
13 Correct 22 ms 3932 KB Output is correct
14 Correct 30 ms 4884 KB Output is correct
15 Correct 27 ms 4700 KB Output is correct
16 Correct 24 ms 4696 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 660 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 37 ms 4872 KB Output is correct
23 Correct 34 ms 4700 KB Output is correct
24 Correct 27 ms 3664 KB Output is correct
25 Correct 39 ms 4908 KB Output is correct
26 Correct 29 ms 4944 KB Output is correct
27 Correct 1 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 1 ms 348 KB Output is correct
31 Correct 2 ms 468 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 43 ms 5340 KB Output is correct
35 Correct 43 ms 4956 KB Output is correct
36 Correct 45 ms 5468 KB Output is correct
37 Correct 51 ms 5712 KB Output is correct
38 Correct 37 ms 5468 KB Output is correct
39 Correct 19 ms 3420 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 456 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 600 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 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 29 ms 4884 KB Output is correct
12 Correct 21 ms 3292 KB Output is correct
13 Correct 22 ms 3932 KB Output is correct
14 Correct 30 ms 4884 KB Output is correct
15 Correct 27 ms 4700 KB Output is correct
16 Correct 24 ms 4696 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 660 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 37 ms 4872 KB Output is correct
23 Correct 34 ms 4700 KB Output is correct
24 Correct 27 ms 3664 KB Output is correct
25 Correct 39 ms 4908 KB Output is correct
26 Correct 29 ms 4944 KB Output is correct
27 Correct 1 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 1 ms 348 KB Output is correct
31 Correct 2 ms 468 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 43 ms 5340 KB Output is correct
35 Correct 43 ms 4956 KB Output is correct
36 Correct 45 ms 5468 KB Output is correct
37 Correct 51 ms 5712 KB Output is correct
38 Correct 37 ms 5468 KB Output is correct
39 Correct 19 ms 3420 KB Output is correct
40 Correct 2 ms 344 KB Output is correct
41 Correct 2 ms 344 KB Output is correct
42 Correct 2 ms 604 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 54 ms 6056 KB Output is correct
45 Correct 57 ms 6064 KB Output is correct
46 Correct 57 ms 6168 KB Output is correct
47 Correct 58 ms 5972 KB Output is correct
48 Correct 39 ms 5772 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 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 1 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 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 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 604 KB Output is correct
29 Correct 3 ms 604 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 2 ms 348 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 2 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 1 ms 456 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 0 ms 600 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 1 ms 344 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 29 ms 4884 KB Output is correct
51 Correct 21 ms 3292 KB Output is correct
52 Correct 22 ms 3932 KB Output is correct
53 Correct 30 ms 4884 KB Output is correct
54 Correct 27 ms 4700 KB Output is correct
55 Correct 24 ms 4696 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 1 ms 660 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 344 KB Output is correct
61 Correct 37 ms 4872 KB Output is correct
62 Correct 34 ms 4700 KB Output is correct
63 Correct 27 ms 3664 KB Output is correct
64 Correct 39 ms 4908 KB Output is correct
65 Correct 29 ms 4944 KB Output is correct
66 Correct 1 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 1 ms 348 KB Output is correct
70 Correct 2 ms 468 KB Output is correct
71 Correct 1 ms 344 KB Output is correct
72 Correct 1 ms 348 KB Output is correct
73 Correct 43 ms 5340 KB Output is correct
74 Correct 43 ms 4956 KB Output is correct
75 Correct 45 ms 5468 KB Output is correct
76 Correct 51 ms 5712 KB Output is correct
77 Correct 37 ms 5468 KB Output is correct
78 Correct 19 ms 3420 KB Output is correct
79 Correct 2 ms 344 KB Output is correct
80 Correct 2 ms 344 KB Output is correct
81 Correct 2 ms 604 KB Output is correct
82 Correct 2 ms 604 KB Output is correct
83 Correct 54 ms 6056 KB Output is correct
84 Correct 57 ms 6064 KB Output is correct
85 Correct 57 ms 6168 KB Output is correct
86 Correct 58 ms 5972 KB Output is correct
87 Correct 39 ms 5772 KB Output is correct
88 Correct 70 ms 7760 KB Output is correct
89 Correct 76 ms 7768 KB Output is correct
90 Correct 70 ms 7764 KB Output is correct
91 Correct 75 ms 7856 KB Output is correct
92 Correct 64 ms 6232 KB Output is correct
93 Correct 74 ms 6676 KB Output is correct
94 Correct 69 ms 6480 KB Output is correct
95 Correct 51 ms 7720 KB Output is correct
96 Correct 72 ms 7880 KB Output is correct
97 Correct 40 ms 7764 KB Output is correct
98 Correct 34 ms 6300 KB Output is correct
99 Correct 79 ms 6484 KB Output is correct