oj.uz

Submission #900220

# Submission time Handle Problem Language Result Execution time Memory
900220 2024-01-07T22:44:23 Z MilosMilutinovic Soccer Stadium (IOI23_soccer) C++17
25 / 100
 637 ms 368540 KB 
#include "soccer.h"
#include <bits/stdc++.h>

using namespace std;

const int dx[] = {1, 0, -1, 0};
const int dy[] = {0, 1, 0, -1};

bool check_all(int n, vector<vector<int>> a) {
  vector<vector<bool>> was(n, vector<bool>(n));
  function<void(int, int)> Dfs = [&](int x, int y) {
    if (x < 0 || x >= n || y < 0 || y >= n || a[x][y] == 1 || was[x][y]) {
      return;
    }
    was[x][y] = true;
    for (int d = 0; d < 4; d++) {
      Dfs(x + dx[d], y + dy[d]);
    }
  };
  bool done = false;
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      if (!done && a[i][j] == 0) {
        Dfs(i, j);
        done = true;
      }
    }
  }
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      if (a[i][j] == 0 && !was[i][j]) {
        return false;
      }
    }
  }
  vector<pair<int, int>> seg;
  for (int j = 0; j < n; j++) {
    int cnt = 0;
    for (int i = 0; i < n; i++) {
      if (a[i][j] == 1) {
        continue;
      }
      cnt += 1;
      if (cnt == 2) {
        return false;
      }
      int ptr = i;
      while (ptr + 1 < n && a[ptr + 1][j] == 0) {
        ptr += 1;
      }
      seg.emplace_back(i, ptr);
      i = ptr;
    }
  }
  int sz = (int) seg.size();
  int mx = 0;
  for (int i = 1; i < sz; i++) {
    if (seg[i].second - seg[i].first > seg[mx].second - seg[mx].first) {
      mx = i;
    }
  }
  int l = mx, r = mx, lst = mx;
  while (l != 0 || r != sz - 1) {
    if (l == 0 || (r + 1 < sz && seg[r + 1].second - seg[r + 1].first > seg[l - 1].second - seg[l - 1].first)) {
      if (!(seg[lst].first <= seg[r + 1].first && seg[r + 1].second <= seg[lst].second)) {
        return false;
      }
      r += 1;
      lst = r;
    } else {
      if (!(seg[lst].first <= seg[l - 1].first && seg[l - 1].second <= seg[lst].second)) {
        return false;
      }
      l -= 1;
      lst = l;
    }
  }
  return true;
}

int biggest_stadium(int n, vector<vector<int>> a) {
  if (check_all(n, a)) {
    int cnt = 0;
    for (int i = 0; i < n; i++) {
      for (int j = 0; j < n; j++) {
        if (a[i][j] == 0) {
          cnt += 1;
        }
      }
    }
    return cnt;
  }
  return 0;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 344 KB partial

Subtask #1
1.5 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB ok
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Partially correct 0 ms 348 KB partial
7 Partially correct 2 ms 1124 KB partial
8 Partially correct 34 ms 22960 KB partial
9 Partially correct 637 ms 361068 KB partial

Subtask #2
2.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB ok
2 Correct 0 ms 344 KB ok
3 Partially correct 0 ms 344 KB partial
4 Partially correct 0 ms 348 KB partial
5 Partially correct 0 ms 348 KB partial
6 Partially correct 0 ms 348 KB partial
7 Partially correct 1 ms 348 KB partial
8 Correct 0 ms 344 KB ok
9 Correct 1 ms 548 KB ok
10 Partially correct 0 ms 348 KB partial
11 Partially correct 0 ms 348 KB partial
12 Partially correct 1 ms 348 KB partial
13 Correct 0 ms 348 KB ok

Subtask #3
5.5 / 22.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 344 KB partial
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 344 KB ok
4 Partially correct 0 ms 344 KB partial
5 Partially correct 0 ms 348 KB partial
6 Partially correct 0 ms 348 KB partial
7 Partially correct 0 ms 348 KB partial
8 Partially correct 1 ms 348 KB partial
9 Correct 0 ms 344 KB ok
10 Correct 1 ms 548 KB ok
11 Partially correct 0 ms 348 KB partial
12 Partially correct 0 ms 348 KB partial
13 Partially correct 1 ms 348 KB partial
14 Correct 0 ms 348 KB ok
15 Partially correct 0 ms 348 KB partial
16 Partially correct 1 ms 348 KB partial
17 Partially correct 0 ms 348 KB partial
18 Partially correct 0 ms 600 KB partial
19 Partially correct 0 ms 348 KB partial
20 Correct 0 ms 432 KB ok
21 Correct 0 ms 344 KB ok
22 Partially correct 0 ms 600 KB partial
23 Partially correct 0 ms 348 KB partial
24 Partially correct 0 ms 348 KB partial
25 Partially correct 1 ms 344 KB partial
26 Partially correct 0 ms 344 KB partial

Subtask #4
4.5 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 344 KB partial
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 344 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Partially correct 0 ms 344 KB partial
7 Partially correct 0 ms 348 KB partial
8 Partially correct 0 ms 348 KB partial
9 Partially correct 0 ms 348 KB partial
10 Partially correct 1 ms 348 KB partial
11 Correct 0 ms 344 KB ok
12 Correct 1 ms 548 KB ok
13 Partially correct 0 ms 348 KB partial
14 Partially correct 0 ms 348 KB partial
15 Partially correct 1 ms 348 KB partial
16 Correct 0 ms 348 KB ok
17 Partially correct 0 ms 348 KB partial
18 Partially correct 1 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Partially correct 0 ms 600 KB partial
21 Partially correct 0 ms 348 KB partial
22 Correct 0 ms 432 KB ok
23 Correct 0 ms 344 KB ok
24 Partially correct 0 ms 600 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 348 KB partial
27 Partially correct 1 ms 344 KB partial
28 Partially correct 0 ms 344 KB partial
29 Partially correct 1 ms 348 KB partial
30 Partially correct 1 ms 348 KB partial
31 Partially correct 0 ms 348 KB partial
32 Partially correct 0 ms 348 KB partial
33 Partially correct 1 ms 348 KB partial
34 Correct 0 ms 348 KB ok
35 Correct 1 ms 344 KB ok
36 Partially correct 1 ms 388 KB partial
37 Partially correct 0 ms 348 KB partial
38 Partially correct 0 ms 348 KB partial
39 Partially correct 1 ms 348 KB partial
40 Partially correct 0 ms 348 KB partial
41 Partially correct 0 ms 432 KB partial

Subtask #5
4.0 / 16.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 344 KB partial
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 344 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Partially correct 0 ms 344 KB partial
7 Partially correct 0 ms 348 KB partial
8 Partially correct 0 ms 348 KB partial
9 Partially correct 0 ms 348 KB partial
10 Partially correct 1 ms 348 KB partial
11 Correct 0 ms 344 KB ok
12 Correct 1 ms 548 KB ok
13 Partially correct 0 ms 348 KB partial
14 Partially correct 0 ms 348 KB partial
15 Partially correct 1 ms 348 KB partial
16 Correct 0 ms 348 KB ok
17 Partially correct 0 ms 348 KB partial
18 Partially correct 1 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Partially correct 0 ms 600 KB partial
21 Partially correct 0 ms 348 KB partial
22 Correct 0 ms 432 KB ok
23 Correct 0 ms 344 KB ok
24 Partially correct 0 ms 600 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 348 KB partial
27 Partially correct 1 ms 344 KB partial
28 Partially correct 0 ms 344 KB partial
29 Partially correct 1 ms 348 KB partial
30 Partially correct 1 ms 348 KB partial
31 Partially correct 0 ms 348 KB partial
32 Partially correct 0 ms 348 KB partial
33 Partially correct 1 ms 348 KB partial
34 Correct 0 ms 348 KB ok
35 Correct 1 ms 344 KB ok
36 Partially correct 1 ms 388 KB partial
37 Partially correct 0 ms 348 KB partial
38 Partially correct 0 ms 348 KB partial
39 Partially correct 1 ms 348 KB partial
40 Partially correct 0 ms 348 KB partial
41 Partially correct 0 ms 432 KB partial
42 Partially correct 39 ms 17744 KB partial
43 Partially correct 30 ms 13392 KB partial
44 Partially correct 35 ms 22612 KB partial
45 Partially correct 35 ms 22864 KB partial
46 Partially correct 34 ms 20308 KB partial
47 Partially correct 35 ms 23388 KB partial
48 Correct 22 ms 9048 KB ok
49 Partially correct 28 ms 10580 KB partial
50 Partially correct 27 ms 13648 KB partial
51 Partially correct 15 ms 3932 KB partial
52 Partially correct 17 ms 5208 KB partial
53 Partially correct 16 ms 4444 KB partial
54 Partially correct 17 ms 5212 KB partial
55 Partially correct 18 ms 5972 KB partial
56 Partially correct 23 ms 11856 KB partial
57 Partially correct 31 ms 18380 KB partial
58 Partially correct 29 ms 17756 KB partial
59 Partially correct 27 ms 16208 KB partial

Subtask #6
7.5 / 30.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 344 KB partial
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 344 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 348 KB ok
7 Partially correct 0 ms 348 KB partial
8 Partially correct 2 ms 1124 KB partial
9 Partially correct 34 ms 22960 KB partial
10 Partially correct 637 ms 361068 KB partial
11 Partially correct 0 ms 344 KB partial
12 Partially correct 0 ms 348 KB partial
13 Partially correct 0 ms 348 KB partial
14 Partially correct 0 ms 348 KB partial
15 Partially correct 1 ms 348 KB partial
16 Correct 0 ms 344 KB ok
17 Correct 1 ms 548 KB ok
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Partially correct 1 ms 348 KB partial
21 Correct 0 ms 348 KB ok
22 Partially correct 0 ms 348 KB partial
23 Partially correct 1 ms 348 KB partial
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 600 KB partial
26 Partially correct 0 ms 348 KB partial
27 Correct 0 ms 432 KB ok
28 Correct 0 ms 344 KB ok
29 Partially correct 0 ms 600 KB partial
30 Partially correct 0 ms 348 KB partial
31 Partially correct 0 ms 348 KB partial
32 Partially correct 1 ms 344 KB partial
33 Partially correct 0 ms 344 KB partial
34 Partially correct 1 ms 348 KB partial
35 Partially correct 1 ms 348 KB partial
36 Partially correct 0 ms 348 KB partial
37 Partially correct 0 ms 348 KB partial
38 Partially correct 1 ms 348 KB partial
39 Correct 0 ms 348 KB ok
40 Correct 1 ms 344 KB ok
41 Partially correct 1 ms 388 KB partial
42 Partially correct 0 ms 348 KB partial
43 Partially correct 0 ms 348 KB partial
44 Partially correct 1 ms 348 KB partial
45 Partially correct 0 ms 348 KB partial
46 Partially correct 0 ms 432 KB partial
47 Partially correct 39 ms 17744 KB partial
48 Partially correct 30 ms 13392 KB partial
49 Partially correct 35 ms 22612 KB partial
50 Partially correct 35 ms 22864 KB partial
51 Partially correct 34 ms 20308 KB partial
52 Partially correct 35 ms 23388 KB partial
53 Correct 22 ms 9048 KB ok
54 Partially correct 28 ms 10580 KB partial
55 Partially correct 27 ms 13648 KB partial
56 Partially correct 15 ms 3932 KB partial
57 Partially correct 17 ms 5208 KB partial
58 Partially correct 16 ms 4444 KB partial
59 Partially correct 17 ms 5212 KB partial
60 Partially correct 18 ms 5972 KB partial
61 Partially correct 23 ms 11856 KB partial
62 Partially correct 31 ms 18380 KB partial
63 Partially correct 29 ms 17756 KB partial
64 Partially correct 27 ms 16208 KB partial
65 Partially correct 547 ms 279728 KB partial
66 Partially correct 249 ms 56160 KB partial
67 Partially correct 242 ms 55888 KB partial
68 Partially correct 589 ms 366932 KB partial
69 Partially correct 572 ms 356360 KB partial
70 Partially correct 569 ms 342608 KB partial
71 Partially correct 601 ms 368004 KB partial
72 Partially correct 602 ms 368540 KB partial
73 Correct 398 ms 135880 KB ok
74 Correct 408 ms 138768 KB ok
75 Partially correct 398 ms 138512 KB partial
76 Partially correct 457 ms 212364 KB partial
77 Partially correct 469 ms 212304 KB partial
78 Partially correct 239 ms 55892 KB partial
79 Partially correct 238 ms 55888 KB partial
80 Partially correct 237 ms 55952 KB partial
81 Partially correct 246 ms 56024 KB partial
82 Partially correct 238 ms 55960 KB partial
83 Partially correct 242 ms 55888 KB partial
84 Partially correct 313 ms 70808 KB partial
85 Partially correct 272 ms 64852 KB partial
86 Partially correct 291 ms 78164 KB partial
87 Partially correct 312 ms 88880 KB partial
88 Partially correct 453 ms 181840 KB partial
89 Partially correct 580 ms 339028 KB partial
90 Partially correct 481 ms 256924 KB partial
91 Partially correct 491 ms 248400 KB partial
92 Partially correct 238 ms 55892 KB partial
93 Partially correct 243 ms 55888 KB partial
94 Partially correct 235 ms 56112 KB partial
95 Partially correct 240 ms 55892 KB partial
96 Partially correct 235 ms 55820 KB partial
97 Partially correct 241 ms 55964 KB partial
98 Partially correct 246 ms 55840 KB partial
99 Partially correct 238 ms 55888 KB partial
100 Partially correct 496 ms 290776 KB partial
101 Partially correct 271 ms 91156 KB partial
102 Partially correct 268 ms 94868 KB partial
103 Partially correct 465 ms 274260 KB partial
104 Partially correct 290 ms 107600 KB partial
105 Partially correct 294 ms 112280 KB partial
106 Partially correct 424 ms 236516 KB partial
107 Partially correct 410 ms 215516 KB partial
108 Partially correct 242 ms 55892 KB partial
109 Partially correct 244 ms 55960 KB partial