oj.uz

Submission #1080569

# Submission time Handle Problem Language Result Execution time Memory
1080569 2024-08-29T11:06:51 Z shmax Soccer Stadium (IOI23_soccer) C++17
25 / 100
 435 ms 71976 KB 
#include "soccer.h"
#include "bits/stdc++.h"

using namespace std;
using i32 = int;
#define int long long
#define len(x) (int)(x.size())
#define all(x) x.begin(), x.end()
#define inf 1000'000'000'000'000'000LL
#define bit(x, i) (((x) >> i) & 1)


template<typename T>
using vec = vector<T>;

i32 biggest_stadium(i32 n, std::vector<std::vector<i32>> F) {
    int cnt = 0;
    set<int> columns;
    set<int> rows;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            cnt += F[i][j] == 0;
            if (F[i][j] == 0) {
                rows.insert(i);
                columns.insert(j);
            }
        }
    }

    vec<vec<bool>> used(n, vec<bool>(n, false));
    for (int i = 1; i < n; i++) {
        for (int j = 0; j < n; j++) {
            if (used[i][j]) continue;
            if (!F[i][j]) continue;
            if (F[i - 1][j] == 0) {
                for (int k = i; k < n; k++) {
                    if (F[k][j] == 0) return 0;
                    used[k][j] = true;
                }
            }
        }
    }
    used = vec<vec<bool>>(n, vec<bool>(n, false));
    for (int i = 0; i < n; i++) {
        for (int j = 1; j < n; j++) {
            if (used[i][j]) continue;
            if (!F[i][j]) continue;
            if (F[i][j - 1] == 0) {
                for (int k = j; k < n; k++) {
                    if (F[i][k] == 0) return 0;
                    used[i][k] = true;
                }
            }
        }
    }

    vec<vec<int>> pref(n + 1, vec<int>(n + 1, 0));
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            pref[i + 1][j + 1] = pref[i][j + 1] + pref[i + 1][j] - pref[i][j] + F[i][j];
        }
    }

    auto get = [&](int i1, int j1, int i2, int j2) {
        return pref[i2 + 1][j2 + 1] - pref[i2 + 1][j1] - pref[i1][j2 + 1] + pref[i1][j1];
    };

    vec<pair<int, int>> X(n, {inf, -inf});
    vec<pair<int, int>> Y(n, {inf, -inf});
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            if (F[i][j]) continue;
            X[i].first = min(X[i].first, j);
            X[i].second = max(X[i].first, j);
            Y[j].first = min(Y[j].first, i);
            Y[j].second = max(Y[j].first, i);
        }
    }

    for (int i: rows) {
        for (int j: columns) {
            if (F[i][j] == 0) continue;
            int i1 = Y[j].first;
            int i2 = Y[j].second;
            int j1 = X[i].first;
            int j2 = X[i].second;
            if(get(i1,j1,i2,j2) != 0)
                return 0;
        }
    }

    return cnt;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB partial

Subtask #1
1.5 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB ok
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 420 KB partial
8 Partially correct 22 ms 2456 KB partial
9 Partially correct 382 ms 32592 KB partial

Subtask #2
2.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB ok
2 Correct 1 ms 348 KB ok
3 Partially correct 0 ms 344 KB partial
4 Partially correct 0 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 0 ms 420 KB partial
11 Partially correct 0 ms 348 KB partial
12 Partially correct 0 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 0 ms 348 KB partial
2 Correct 1 ms 344 KB ok
3 Correct 1 ms 348 KB ok
4 Partially correct 0 ms 344 KB partial
5 Partially correct 0 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 0 ms 420 KB partial
12 Partially correct 0 ms 348 KB partial
13 Partially correct 0 ms 348 KB partial
14 Correct 0 ms 348 KB ok
15 Partially correct 0 ms 348 KB partial
16 Partially correct 0 ms 376 KB partial
17 Partially correct 0 ms 348 KB partial
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 344 KB partial
20 Correct 1 ms 348 KB ok
21 Correct 0 ms 348 KB ok
22 Partially correct 1 ms 344 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 0 ms 348 KB partial

Subtask #4
4.5 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB partial
2 Correct 1 ms 344 KB ok
3 Correct 1 ms 348 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 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 0 ms 420 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 Partially correct 0 ms 348 KB partial
18 Partially correct 0 ms 376 KB partial
19 Partially correct 0 ms 348 KB partial
20 Partially correct 0 ms 348 KB partial
21 Partially correct 0 ms 344 KB partial
22 Correct 1 ms 348 KB ok
23 Correct 0 ms 348 KB ok
24 Partially correct 1 ms 344 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 0 ms 348 KB partial
29 Partially correct 0 ms 348 KB partial
30 Partially correct 0 ms 348 KB partial
31 Partially correct 0 ms 348 KB partial
32 Partially correct 1 ms 348 KB partial
33 Partially correct 1 ms 344 KB partial
34 Correct 0 ms 348 KB ok
35 Correct 1 ms 348 KB ok
36 Partially correct 0 ms 348 KB partial
37 Partially correct 1 ms 348 KB partial
38 Partially correct 0 ms 348 KB partial
39 Partially correct 0 ms 348 KB partial
40 Partially correct 0 ms 348 KB partial
41 Partially correct 1 ms 348 KB partial

Subtask #5
4.0 / 16.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB partial
2 Correct 1 ms 344 KB ok
3 Correct 1 ms 348 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 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 0 ms 420 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 Partially correct 0 ms 348 KB partial
18 Partially correct 0 ms 376 KB partial
19 Partially correct 0 ms 348 KB partial
20 Partially correct 0 ms 348 KB partial
21 Partially correct 0 ms 344 KB partial
22 Correct 1 ms 348 KB ok
23 Correct 0 ms 348 KB ok
24 Partially correct 1 ms 344 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 0 ms 348 KB partial
29 Partially correct 0 ms 348 KB partial
30 Partially correct 0 ms 348 KB partial
31 Partially correct 0 ms 348 KB partial
32 Partially correct 1 ms 348 KB partial
33 Partially correct 1 ms 344 KB partial
34 Correct 0 ms 348 KB ok
35 Correct 1 ms 348 KB ok
36 Partially correct 0 ms 348 KB partial
37 Partially correct 1 ms 348 KB partial
38 Partially correct 0 ms 348 KB partial
39 Partially correct 0 ms 348 KB partial
40 Partially correct 0 ms 348 KB partial
41 Partially correct 1 ms 348 KB partial
42 Partially correct 23 ms 2904 KB partial
43 Partially correct 26 ms 3156 KB partial
44 Partially correct 20 ms 2908 KB partial
45 Partially correct 20 ms 2944 KB partial
46 Partially correct 21 ms 2904 KB partial
47 Partially correct 20 ms 2940 KB partial
48 Correct 20 ms 4952 KB ok
49 Partially correct 17 ms 2824 KB partial
50 Partially correct 26 ms 2908 KB partial
51 Partially correct 25 ms 2944 KB partial
52 Partially correct 16 ms 4956 KB partial
53 Partially correct 15 ms 4744 KB partial
54 Partially correct 16 ms 4972 KB partial
55 Partially correct 22 ms 4864 KB partial
56 Partially correct 17 ms 2908 KB partial
57 Partially correct 21 ms 2908 KB partial
58 Partially correct 24 ms 2956 KB partial
59 Partially correct 21 ms 2908 KB partial

Subtask #6
7.5 / 30.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB partial
2 Correct 1 ms 344 KB ok
3 Correct 1 ms 348 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 1 ms 420 KB partial
9 Partially correct 22 ms 2456 KB partial
10 Partially correct 382 ms 32592 KB partial
11 Partially correct 0 ms 344 KB partial
12 Partially correct 0 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 0 ms 420 KB partial
19 Partially correct 0 ms 348 KB partial
20 Partially correct 0 ms 348 KB partial
21 Correct 0 ms 348 KB ok
22 Partially correct 0 ms 348 KB partial
23 Partially correct 0 ms 376 KB partial
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 344 KB partial
27 Correct 1 ms 348 KB ok
28 Correct 0 ms 348 KB ok
29 Partially correct 1 ms 344 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 0 ms 348 KB partial
34 Partially correct 0 ms 348 KB partial
35 Partially correct 0 ms 348 KB partial
36 Partially correct 0 ms 348 KB partial
37 Partially correct 1 ms 348 KB partial
38 Partially correct 1 ms 344 KB partial
39 Correct 0 ms 348 KB ok
40 Correct 1 ms 348 KB ok
41 Partially correct 0 ms 348 KB partial
42 Partially correct 1 ms 348 KB partial
43 Partially correct 0 ms 348 KB partial
44 Partially correct 0 ms 348 KB partial
45 Partially correct 0 ms 348 KB partial
46 Partially correct 1 ms 348 KB partial
47 Partially correct 23 ms 2904 KB partial
48 Partially correct 26 ms 3156 KB partial
49 Partially correct 20 ms 2908 KB partial
50 Partially correct 20 ms 2944 KB partial
51 Partially correct 21 ms 2904 KB partial
52 Partially correct 20 ms 2940 KB partial
53 Correct 20 ms 4952 KB ok
54 Partially correct 17 ms 2824 KB partial
55 Partially correct 26 ms 2908 KB partial
56 Partially correct 25 ms 2944 KB partial
57 Partially correct 16 ms 4956 KB partial
58 Partially correct 15 ms 4744 KB partial
59 Partially correct 16 ms 4972 KB partial
60 Partially correct 22 ms 4864 KB partial
61 Partially correct 17 ms 2908 KB partial
62 Partially correct 21 ms 2908 KB partial
63 Partially correct 24 ms 2956 KB partial
64 Partially correct 21 ms 2908 KB partial
65 Partially correct 370 ms 36692 KB partial
66 Partially correct 348 ms 40276 KB partial
67 Partially correct 253 ms 40328 KB partial
68 Partially correct 405 ms 37680 KB partial
69 Partially correct 389 ms 40276 KB partial
70 Partially correct 412 ms 40272 KB partial
71 Partially correct 379 ms 40468 KB partial
72 Partially correct 424 ms 40324 KB partial
73 Correct 366 ms 71812 KB ok
74 Correct 376 ms 71976 KB ok
75 Partially correct 289 ms 40276 KB partial
76 Partially correct 347 ms 40276 KB partial
77 Partially correct 326 ms 40016 KB partial
78 Partially correct 435 ms 40272 KB partial
79 Partially correct 219 ms 40336 KB partial
80 Partially correct 242 ms 40272 KB partial
81 Partially correct 240 ms 40340 KB partial
82 Partially correct 286 ms 40328 KB partial
83 Partially correct 275 ms 40456 KB partial
84 Partially correct 244 ms 71708 KB partial
85 Partially correct 273 ms 71764 KB partial
86 Partially correct 259 ms 71832 KB partial
87 Partially correct 306 ms 71844 KB partial
88 Partially correct 288 ms 40336 KB partial
89 Partially correct 381 ms 39760 KB partial
90 Partially correct 332 ms 40476 KB partial
91 Partially correct 348 ms 40272 KB partial
92 Partially correct 241 ms 40532 KB partial
93 Partially correct 276 ms 40340 KB partial
94 Partially correct 230 ms 40272 KB partial
95 Partially correct 218 ms 40276 KB partial
96 Partially correct 211 ms 40340 KB partial
97 Partially correct 212 ms 40332 KB partial
98 Partially correct 216 ms 40276 KB partial
99 Partially correct 365 ms 40276 KB partial
100 Partially correct 372 ms 40272 KB partial
101 Partially correct 368 ms 40392 KB partial
102 Partially correct 358 ms 40472 KB partial
103 Partially correct 354 ms 40272 KB partial
104 Partially correct 367 ms 40332 KB partial
105 Partially correct 369 ms 40272 KB partial
106 Partially correct 378 ms 40336 KB partial
107 Partially correct 375 ms 40380 KB partial
108 Partially correct 362 ms 40272 KB partial
109 Partially correct 409 ms 40376 KB partial