oj.uz

Submission #1039589

# Submission time Handle Problem Language Result Execution time Memory
1039589 2024-07-31T05:00:48 Z juicy Reconstruction Project (JOI22_reconstruction) C++17
100 / 100
 567 ms 26916 KB 
#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

const int N = 505, M = 1e5 + 5, inf = 1e9;

int n, m, q;
int mn[N];
vector<array<int, 2>> g[N];
array<int, 3> edges[M];

void add(int u, int v, int w) {
  g[u].push_back({v, w});
  g[v].push_back({u, w});
}

void ers(int u, int v, int w) {
  g[u].erase(find(g[u].begin(), g[u].end(), array<int, 2>{v, w}));
  g[v].erase(find(g[v].begin(), g[v].end(), array<int, 2>{u, w}));
}

void dfs(int u, int p) {
  for (auto [v, w] : g[u]) {
    if (v != p) {
      mn[v] = min(mn[u], w);
      dfs(v, u);
    }
  }
}

int get(int u, int v) {
  fill(mn + 1, mn + n + 1, m + 1);
  dfs(u, u);
  return mn[v];
}

int main() {
  ios::sync_with_stdio(false); cin.tie(nullptr);

  cin >> n >> m;
  for (int i = 1; i <= m; ++i) {
    cin >> edges[i][1] >> edges[i][2] >> edges[i][0];
  }
  sort(edges + 1, edges + m + 1);
  vector<array<int, 3>> events;
  for (int i = 1; i <= m; ++i) {
    auto [c, u, v] = edges[i];
    int lt = get(u, v);
    if (lt != m + 1) {
      auto [w, x, y] = edges[lt];
      int md = (w + 1 + c) / 2;
      events.push_back({md, w + c, -2});
      ers(x, y, lt);
    } else {
      events.push_back({0, c, -1});
    }
    events.push_back({c, -2 * c, 2});
    add(u, v, i); 
  }
  sort(events.begin(), events.end());
  cin >> q;
  int j = 0, B = 0;
  long long A = 0;
  while (q--) {
    int X; cin >> X;
    while (j < events.size() && events[j][0] <= X) {
      A += events[j][1];
      B += events[j][2];
      ++j;
    }
    cout << (long long) B * X + A << "\n";
  }
  return 0;
}

Compilation message

reconstruction.cpp: In function 'int main()':
reconstruction.cpp:72:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |     while (j < events.size() && events[j][0] <= X) {
      |            ~~^~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 480 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 480 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 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

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 480 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 480 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 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 1 ms 348 KB Output is correct
20 Correct 374 ms 6336 KB Output is correct
21 Correct 227 ms 6880 KB Output is correct
22 Correct 343 ms 6232 KB Output is correct
23 Correct 316 ms 7648 KB Output is correct
24 Correct 364 ms 6368 KB Output is correct
25 Correct 336 ms 6372 KB Output is correct
26 Correct 327 ms 6280 KB Output is correct
27 Correct 334 ms 6376 KB Output is correct
28 Correct 319 ms 6284 KB Output is correct
29 Correct 245 ms 6400 KB Output is correct
30 Correct 323 ms 6420 KB Output is correct
31 Correct 353 ms 6376 KB Output is correct
32 Correct 332 ms 6380 KB Output is correct
33 Correct 355 ms 6320 KB Output is correct
34 Correct 233 ms 7168 KB Output is correct
35 Correct 363 ms 6340 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 546 ms 23996 KB Output is correct
5 Correct 531 ms 24044 KB Output is correct
6 Correct 515 ms 24524 KB Output is correct
7 Correct 171 ms 26052 KB Output is correct
8 Correct 192 ms 26492 KB Output is correct
9 Correct 192 ms 26064 KB Output is correct
10 Correct 559 ms 24012 KB Output is correct
11 Correct 200 ms 26072 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 480 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 480 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 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 480 KB Output is correct
20 Correct 133 ms 20324 KB Output is correct
21 Correct 156 ms 20524 KB Output is correct
22 Correct 148 ms 20476 KB Output is correct
23 Correct 122 ms 20456 KB Output is correct
24 Correct 130 ms 20324 KB Output is correct
25 Correct 127 ms 20308 KB Output is correct
26 Correct 113 ms 20304 KB Output is correct
27 Correct 127 ms 20284 KB Output is correct
28 Correct 117 ms 20220 KB Output is correct
29 Correct 118 ms 20312 KB Output is correct
30 Correct 118 ms 21584 KB Output is correct
31 Correct 122 ms 21484 KB Output is correct
32 Correct 119 ms 22100 KB Output is correct
33 Correct 118 ms 21328 KB Output is correct

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 480 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 480 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 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 1 ms 348 KB Output is correct
20 Correct 374 ms 6336 KB Output is correct
21 Correct 227 ms 6880 KB Output is correct
22 Correct 343 ms 6232 KB Output is correct
23 Correct 316 ms 7648 KB Output is correct
24 Correct 364 ms 6368 KB Output is correct
25 Correct 336 ms 6372 KB Output is correct
26 Correct 327 ms 6280 KB Output is correct
27 Correct 334 ms 6376 KB Output is correct
28 Correct 319 ms 6284 KB Output is correct
29 Correct 245 ms 6400 KB Output is correct
30 Correct 323 ms 6420 KB Output is correct
31 Correct 353 ms 6376 KB Output is correct
32 Correct 332 ms 6380 KB Output is correct
33 Correct 355 ms 6320 KB Output is correct
34 Correct 233 ms 7168 KB Output is correct
35 Correct 363 ms 6340 KB Output is correct
36 Correct 352 ms 6628 KB Output is correct
37 Correct 209 ms 6620 KB Output is correct
38 Correct 321 ms 6628 KB Output is correct
39 Correct 338 ms 6628 KB Output is correct
40 Correct 353 ms 6628 KB Output is correct
41 Correct 332 ms 6680 KB Output is correct
42 Correct 335 ms 6632 KB Output is correct
43 Correct 341 ms 6664 KB Output is correct
44 Correct 316 ms 6628 KB Output is correct
45 Correct 284 ms 7684 KB Output is correct
46 Correct 365 ms 6628 KB Output is correct
47 Correct 369 ms 6636 KB Output is correct
48 Correct 376 ms 6764 KB Output is correct
49 Correct 357 ms 6736 KB Output is correct
50 Correct 284 ms 7380 KB Output is correct
51 Correct 394 ms 6624 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 480 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 480 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 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 1 ms 348 KB Output is correct
20 Correct 374 ms 6336 KB Output is correct
21 Correct 227 ms 6880 KB Output is correct
22 Correct 343 ms 6232 KB Output is correct
23 Correct 316 ms 7648 KB Output is correct
24 Correct 364 ms 6368 KB Output is correct
25 Correct 336 ms 6372 KB Output is correct
26 Correct 327 ms 6280 KB Output is correct
27 Correct 334 ms 6376 KB Output is correct
28 Correct 319 ms 6284 KB Output is correct
29 Correct 245 ms 6400 KB Output is correct
30 Correct 323 ms 6420 KB Output is correct
31 Correct 353 ms 6376 KB Output is correct
32 Correct 332 ms 6380 KB Output is correct
33 Correct 355 ms 6320 KB Output is correct
34 Correct 233 ms 7168 KB Output is correct
35 Correct 363 ms 6340 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 546 ms 23996 KB Output is correct
40 Correct 531 ms 24044 KB Output is correct
41 Correct 515 ms 24524 KB Output is correct
42 Correct 171 ms 26052 KB Output is correct
43 Correct 192 ms 26492 KB Output is correct
44 Correct 192 ms 26064 KB Output is correct
45 Correct 559 ms 24012 KB Output is correct
46 Correct 200 ms 26072 KB Output is correct
47 Correct 0 ms 480 KB Output is correct
48 Correct 133 ms 20324 KB Output is correct
49 Correct 156 ms 20524 KB Output is correct
50 Correct 148 ms 20476 KB Output is correct
51 Correct 122 ms 20456 KB Output is correct
52 Correct 130 ms 20324 KB Output is correct
53 Correct 127 ms 20308 KB Output is correct
54 Correct 113 ms 20304 KB Output is correct
55 Correct 127 ms 20284 KB Output is correct
56 Correct 117 ms 20220 KB Output is correct
57 Correct 118 ms 20312 KB Output is correct
58 Correct 118 ms 21584 KB Output is correct
59 Correct 122 ms 21484 KB Output is correct
60 Correct 119 ms 22100 KB Output is correct
61 Correct 118 ms 21328 KB Output is correct
62 Correct 352 ms 6628 KB Output is correct
63 Correct 209 ms 6620 KB Output is correct
64 Correct 321 ms 6628 KB Output is correct
65 Correct 338 ms 6628 KB Output is correct
66 Correct 353 ms 6628 KB Output is correct
67 Correct 332 ms 6680 KB Output is correct
68 Correct 335 ms 6632 KB Output is correct
69 Correct 341 ms 6664 KB Output is correct
70 Correct 316 ms 6628 KB Output is correct
71 Correct 284 ms 7684 KB Output is correct
72 Correct 365 ms 6628 KB Output is correct
73 Correct 369 ms 6636 KB Output is correct
74 Correct 376 ms 6764 KB Output is correct
75 Correct 357 ms 6736 KB Output is correct
76 Correct 284 ms 7380 KB Output is correct
77 Correct 394 ms 6624 KB Output is correct
78 Correct 494 ms 24600 KB Output is correct
79 Correct 336 ms 26580 KB Output is correct
80 Correct 506 ms 25644 KB Output is correct
81 Correct 545 ms 25640 KB Output is correct
82 Correct 525 ms 25032 KB Output is correct
83 Correct 525 ms 24648 KB Output is correct
84 Correct 487 ms 24544 KB Output is correct
85 Correct 476 ms 24544 KB Output is correct
86 Correct 491 ms 24644 KB Output is correct
87 Correct 426 ms 26096 KB Output is correct
88 Correct 547 ms 23088 KB Output is correct
89 Correct 567 ms 23008 KB Output is correct
90 Correct 506 ms 23040 KB Output is correct
91 Correct 519 ms 22896 KB Output is correct
92 Correct 433 ms 26916 KB Output is correct
93 Correct 482 ms 24100 KB Output is correct