oj.uz

Submission #963948

# Submission time Handle Problem Language Result Execution time Memory
963948 2024-04-16T05:07:33 Z nguyentunglam Soccer Stadium (IOI23_soccer) C++17
25 / 100
 503 ms 59968 KB 
#include "soccer.h"
#include<bits/stdc++.h>
using namespace std;

const int N = 2010;

int n;

bool a[N][N];

vector<int> arr[N];

int check_valid() {
  for(int col = 0; col < n; col++) {
    for(int row = 0; row < n; row++) if (a[row][col] == 0) arr[col].push_back(row);
  }

  int st = 0;
  while (st < n && arr[st].empty()) st++;
  if (st == n) return 0;
  int ed = st;

  while (ed < n && !arr[ed].empty()) ed++; ed--;
  for(int i = 1; i < st; i++) if (!arr[i].empty()) return 0;
  for(int i = ed + 1; i < n; i++) if (!arr[i].empty()) return 0;
  for(int i = st; i <= ed; i++) if (arr[i].size() != arr[i].back() - arr[i][0] + 1) return 0;

  int cnt = 0;

  for(int i = st; i <= ed; i++) cnt += arr[i].size();

  int L = max(arr[st][0], arr[ed][0]);
  int R = min(arr[st].back(), arr[ed].back());
  while (st <= ed) {
    if (arr[st].size() <= arr[ed].size()) {
      if (arr[st][0] <= L && arr[st].back() >= R) {
        L = arr[st][0];
        R = arr[st].back();
        st++;
      }
      else return 0;
    }
    else {
      if (arr[ed][0] <= L && arr[ed].back() >= R) {
        L = arr[ed][0];
        R = arr[ed].back();
        ed--;
      }
      else return 0;
    }
  }
  return cnt;
}

int biggest_stadium(int N, std::vector<std::vector<int>> F)
{
  n = N;
  for(int i = 0; i < n; i++) for(int j = 0; j < n; j++) a[i][j] = F[i][j];
  return check_valid();
}

#ifdef ngu
int main()
{
  freopen ("task.inp", "r", stdin);
  freopen ("task.out", "w", stdout);
    int N;
    assert(1 == scanf("%d", &N));
    std::vector<std::vector<int>> F(N, std::vector<int>(N));
    for (int i = 0; i < N; i++)
    {
        for (int j = 0; j < N; j++)
        {
            assert(1 == scanf("%d", &F[i][j]));
        }
    }
    fclose(stdin);

    int res = biggest_stadium(N, F);

    printf("%d\n", res);
    fclose(stdout);
    return 0;
}
#endif // ngu

Compilation message

soccer.cpp: In function 'int check_valid()':
soccer.cpp:23:3: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
   23 |   while (ed < n && !arr[ed].empty()) ed++; ed--;
      |   ^~~~~
soccer.cpp:23:44: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
   23 |   while (ed < n && !arr[ed].empty()) ed++; ed--;
      |                                            ^~
soccer.cpp:26:51: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} [-Wsign-compare]
   26 |   for(int i = st; i <= ed; i++) if (arr[i].size() != arr[i].back() - arr[i][0] + 1) return 0;
      |                                     ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB partial

Subtask #1
1.5 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 1 ms 348 KB ok
6 Partially correct 0 ms 348 KB partial
7 Partially correct 1 ms 2652 KB partial
8 Partially correct 16 ms 4956 KB partial
9 Partially correct 268 ms 59732 KB partial

Subtask #2
2.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB ok
2 Correct 0 ms 348 KB ok
3 Partially correct 0 ms 348 KB partial
4 Partially correct 1 ms 348 KB partial
5 Partially correct 1 ms 348 KB partial
6 Partially correct 0 ms 348 KB partial
7 Partially correct 0 ms 348 KB partial
8 Correct 0 ms 348 KB ok
9 Correct 0 ms 348 KB ok
10 Partially correct 1 ms 348 KB partial
11 Partially correct 1 ms 428 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 348 KB partial
2 Correct 1 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Partially correct 0 ms 348 KB partial
5 Partially correct 1 ms 348 KB partial
6 Partially correct 1 ms 348 KB partial
7 Partially correct 0 ms 348 KB partial
8 Partially correct 0 ms 348 KB partial
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Partially correct 1 ms 348 KB partial
12 Partially correct 1 ms 428 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 1 ms 348 KB partial
18 Partially correct 0 ms 348 KB partial
19 Partially correct 1 ms 348 KB partial
20 Correct 0 ms 348 KB ok
21 Correct 0 ms 348 KB ok
22 Partially correct 1 ms 348 KB partial
23 Partially correct 0 ms 348 KB partial
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 1 ms 600 KB partial

Subtask #4
4.5 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB partial
2 Correct 1 ms 348 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 1 ms 348 KB partial
8 Partially correct 1 ms 348 KB partial
9 Partially correct 0 ms 348 KB partial
10 Partially correct 0 ms 348 KB partial
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Partially correct 1 ms 348 KB partial
14 Partially correct 1 ms 428 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 1 ms 348 KB partial
20 Partially correct 0 ms 348 KB partial
21 Partially correct 1 ms 348 KB partial
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 348 KB ok
24 Partially correct 1 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 348 KB partial
27 Partially correct 0 ms 348 KB partial
28 Partially correct 1 ms 600 KB partial
29 Partially correct 0 ms 348 KB partial
30 Partially correct 0 ms 348 KB partial
31 Partially correct 1 ms 496 KB partial
32 Partially correct 1 ms 348 KB partial
33 Partially correct 1 ms 344 KB partial
34 Correct 1 ms 348 KB ok
35 Correct 0 ms 348 KB ok
36 Partially correct 1 ms 348 KB partial
37 Partially correct 1 ms 348 KB partial
38 Partially correct 1 ms 348 KB partial
39 Partially correct 1 ms 348 KB partial
40 Partially correct 1 ms 348 KB partial
41 Partially correct 1 ms 488 KB partial

Subtask #5
4.0 / 16.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB partial
2 Correct 1 ms 348 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 1 ms 348 KB partial
8 Partially correct 1 ms 348 KB partial
9 Partially correct 0 ms 348 KB partial
10 Partially correct 0 ms 348 KB partial
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Partially correct 1 ms 348 KB partial
14 Partially correct 1 ms 428 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 1 ms 348 KB partial
20 Partially correct 0 ms 348 KB partial
21 Partially correct 1 ms 348 KB partial
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 348 KB ok
24 Partially correct 1 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 348 KB partial
27 Partially correct 0 ms 348 KB partial
28 Partially correct 1 ms 600 KB partial
29 Partially correct 0 ms 348 KB partial
30 Partially correct 0 ms 348 KB partial
31 Partially correct 1 ms 496 KB partial
32 Partially correct 1 ms 348 KB partial
33 Partially correct 1 ms 344 KB partial
34 Correct 1 ms 348 KB ok
35 Correct 0 ms 348 KB ok
36 Partially correct 1 ms 348 KB partial
37 Partially correct 1 ms 348 KB partial
38 Partially correct 1 ms 348 KB partial
39 Partially correct 1 ms 348 KB partial
40 Partially correct 1 ms 348 KB partial
41 Partially correct 1 ms 488 KB partial
42 Partially correct 17 ms 4800 KB partial
43 Partially correct 17 ms 4956 KB partial
44 Partially correct 17 ms 4800 KB partial
45 Partially correct 17 ms 4956 KB partial
46 Partially correct 24 ms 4800 KB partial
47 Partially correct 21 ms 4776 KB partial
48 Correct 21 ms 4540 KB ok
49 Partially correct 16 ms 4440 KB partial
50 Partially correct 16 ms 4700 KB partial
51 Partially correct 16 ms 4792 KB partial
52 Partially correct 16 ms 3900 KB partial
53 Partially correct 17 ms 3904 KB partial
54 Partially correct 16 ms 3932 KB partial
55 Partially correct 18 ms 4152 KB partial
56 Partially correct 16 ms 4444 KB partial
57 Partially correct 21 ms 4952 KB partial
58 Partially correct 20 ms 4912 KB partial
59 Partially correct 18 ms 4952 KB partial

Subtask #6
7.5 / 30.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB partial
2 Correct 1 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 1 ms 348 KB ok
7 Partially correct 0 ms 348 KB partial
8 Partially correct 1 ms 2652 KB partial
9 Partially correct 16 ms 4956 KB partial
10 Partially correct 268 ms 59732 KB partial
11 Partially correct 0 ms 348 KB partial
12 Partially correct 1 ms 348 KB partial
13 Partially correct 1 ms 348 KB partial
14 Partially correct 0 ms 348 KB partial
15 Partially correct 0 ms 348 KB partial
16 Correct 0 ms 348 KB ok
17 Correct 0 ms 348 KB ok
18 Partially correct 1 ms 348 KB partial
19 Partially correct 1 ms 428 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 1 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 1 ms 348 KB partial
27 Correct 0 ms 348 KB ok
28 Correct 0 ms 348 KB ok
29 Partially correct 1 ms 348 KB partial
30 Partially correct 0 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 600 KB partial
34 Partially correct 0 ms 348 KB partial
35 Partially correct 0 ms 348 KB partial
36 Partially correct 1 ms 496 KB partial
37 Partially correct 1 ms 348 KB partial
38 Partially correct 1 ms 344 KB partial
39 Correct 1 ms 348 KB ok
40 Correct 0 ms 348 KB ok
41 Partially correct 1 ms 348 KB partial
42 Partially correct 1 ms 348 KB partial
43 Partially correct 1 ms 348 KB partial
44 Partially correct 1 ms 348 KB partial
45 Partially correct 1 ms 348 KB partial
46 Partially correct 1 ms 488 KB partial
47 Partially correct 17 ms 4800 KB partial
48 Partially correct 17 ms 4956 KB partial
49 Partially correct 17 ms 4800 KB partial
50 Partially correct 17 ms 4956 KB partial
51 Partially correct 24 ms 4800 KB partial
52 Partially correct 21 ms 4776 KB partial
53 Correct 21 ms 4540 KB ok
54 Partially correct 16 ms 4440 KB partial
55 Partially correct 16 ms 4700 KB partial
56 Partially correct 16 ms 4792 KB partial
57 Partially correct 16 ms 3900 KB partial
58 Partially correct 17 ms 3904 KB partial
59 Partially correct 16 ms 3932 KB partial
60 Partially correct 18 ms 4152 KB partial
61 Partially correct 16 ms 4444 KB partial
62 Partially correct 21 ms 4952 KB partial
63 Partially correct 20 ms 4912 KB partial
64 Partially correct 18 ms 4952 KB partial
65 Partially correct 278 ms 59712 KB partial
66 Partially correct 287 ms 51524 KB partial
67 Partially correct 256 ms 45632 KB partial
68 Partially correct 278 ms 59580 KB partial
69 Partially correct 255 ms 59716 KB partial
70 Partially correct 262 ms 59968 KB partial
71 Partially correct 264 ms 59588 KB partial
72 Partially correct 252 ms 59708 KB partial
73 Correct 257 ms 54224 KB ok
74 Correct 246 ms 54356 KB ok
75 Partially correct 273 ms 54272 KB partial
76 Partially correct 276 ms 55744 KB partial
77 Partially correct 249 ms 55740 KB partial
78 Partially correct 255 ms 59648 KB partial
79 Partially correct 248 ms 44740 KB partial
80 Partially correct 265 ms 44772 KB partial
81 Partially correct 258 ms 46144 KB partial
82 Partially correct 270 ms 49488 KB partial
83 Partially correct 279 ms 47680 KB partial
84 Partially correct 242 ms 45640 KB partial
85 Partially correct 260 ms 44996 KB partial
86 Partially correct 255 ms 46656 KB partial
87 Partially correct 254 ms 46796 KB partial
88 Partially correct 259 ms 51540 KB partial
89 Partially correct 261 ms 58048 KB partial
90 Partially correct 422 ms 54740 KB partial
91 Partially correct 253 ms 59220 KB partial
92 Partially correct 268 ms 46144 KB partial
93 Partially correct 275 ms 45632 KB partial
94 Partially correct 249 ms 45376 KB partial
95 Partially correct 264 ms 45632 KB partial
96 Partially correct 268 ms 45500 KB partial
97 Partially correct 246 ms 45648 KB partial
98 Partially correct 262 ms 44628 KB partial
99 Partially correct 278 ms 59456 KB partial
100 Partially correct 271 ms 59708 KB partial
101 Partially correct 259 ms 59596 KB partial
102 Partially correct 260 ms 59728 KB partial
103 Partially correct 255 ms 59720 KB partial
104 Partially correct 255 ms 59732 KB partial
105 Partially correct 248 ms 59728 KB partial
106 Partially correct 263 ms 59732 KB partial
107 Partially correct 258 ms 59732 KB partial
108 Partially correct 256 ms 59368 KB partial
109 Partially correct 503 ms 51688 KB partial