#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include <debug.h>
#else
#define debug(...) 42
#endif
using ll = long long;
#define all(v) v.begin(), v.end()
#define len(v) int(v.size())
const ll INF = 1e18;
int biggest_stadium(int N, vector<vector<int>> F) {
vector<int> row_first(N, -1), row_last(N, -1), col_first(N, -1), col_last(N, -1);
int cnt = 0;
for (int i = 0; i < N; i++) {
for (int j = 0; j < N; j++) {
if (!F[i][j]) {
cnt++;
if (row_last[i] != -1 && row_last[i] != j - 1) {
return 0;
}
row_last[i] = j;
if (row_first[i] == -1) row_first[i] = j;
}
}
}
for (int i = 0; i < N; i++) {
for (int j = 0; j < N; j++) {
if (!F[j][i]) {
if (col_last[i] != -1 && col_last[i] != j - 1) {
return 0;
}
col_last[i] = j;
if (col_first[i] == -1) col_first[i] = j;
}
}
}
vector pref_sum(N + 1, vector(N + 1, 0));
for (int i = 0; i < N; i++) {
for (int j = 0; j < N; j++) {
pref_sum[i + 1][j + 1] = pref_sum[i][j + 1] + pref_sum[i + 1][j] - pref_sum[i][j] + 1 - F[i][j];
}
}
for (int i = 0; i < N; i++) {
for (int j = 0; j < N; j++) {
if (!F[i][j]) {
debug(i, j);
if (pref_sum[col_first[j]][row_first[i]] > 0) {
return 0;
}
if (pref_sum[col_first[j]][N] - pref_sum[col_first[j]][row_last[i] + 1] > 0) {
debug(i, j);
return 0;
}
}
}
}
return cnt;
}
Compilation message
soccer.cpp: In function 'int biggest_stadium(int, std::vector<std::vector<int> >)':
soccer.cpp:7:20: warning: statement has no effect [-Wunused-value]
7 | #define debug(...) 42
| ^~
soccer.cpp:53:17: note: in expansion of macro 'debug'
53 | debug(i, j);
| ^~~~~
soccer.cpp:7:20: warning: statement has no effect [-Wunused-value]
7 | #define debug(...) 42
| ^~
soccer.cpp:58:21: note: in expansion of macro 'debug'
58 | debug(i, j);
| ^~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Partially correct |
0 ms |
344 KB |
partial |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 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 |
0 ms |
344 KB |
ok |
6 |
Partially correct |
0 ms |
348 KB |
partial |
7 |
Partially correct |
1 ms |
348 KB |
partial |
8 |
Partially correct |
10 ms |
2200 KB |
partial |
9 |
Partially correct |
159 ms |
31824 KB |
partial |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
ok |
2 |
Correct |
0 ms |
348 KB |
ok |
3 |
Partially correct |
0 ms |
348 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 |
0 ms |
348 KB |
partial |
8 |
Correct |
0 ms |
348 KB |
ok |
9 |
Correct |
0 ms |
348 KB |
ok |
10 |
Partially correct |
0 ms |
348 KB |
partial |
11 |
Partially correct |
0 ms |
348 KB |
partial |
12 |
Partially correct |
1 ms |
344 KB |
partial |
13 |
Correct |
0 ms |
348 KB |
ok |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Partially correct |
0 ms |
344 KB |
partial |
2 |
Correct |
0 ms |
348 KB |
ok |
3 |
Correct |
0 ms |
348 KB |
ok |
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 |
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 |
348 KB |
partial |
12 |
Partially correct |
0 ms |
348 KB |
partial |
13 |
Partially correct |
1 ms |
344 KB |
partial |
14 |
Correct |
0 ms |
348 KB |
ok |
15 |
Partially correct |
0 ms |
348 KB |
partial |
16 |
Partially correct |
0 ms |
348 KB |
partial |
17 |
Partially correct |
0 ms |
348 KB |
partial |
18 |
Partially correct |
0 ms |
348 KB |
partial |
19 |
Partially correct |
0 ms |
348 KB |
partial |
20 |
Correct |
1 ms |
348 KB |
ok |
21 |
Correct |
0 ms |
348 KB |
ok |
22 |
Partially correct |
0 ms |
348 KB |
partial |
23 |
Partially correct |
0 ms |
348 KB |
partial |
24 |
Partially correct |
0 ms |
416 KB |
partial |
25 |
Partially correct |
0 ms |
348 KB |
partial |
26 |
Partially correct |
0 ms |
348 KB |
partial |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Partially correct |
0 ms |
344 KB |
partial |
2 |
Correct |
0 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 |
0 ms |
348 KB |
partial |
8 |
Partially correct |
0 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 |
348 KB |
partial |
14 |
Partially correct |
0 ms |
348 KB |
partial |
15 |
Partially correct |
1 ms |
344 KB |
partial |
16 |
Correct |
0 ms |
348 KB |
ok |
17 |
Partially correct |
0 ms |
348 KB |
partial |
18 |
Partially correct |
0 ms |
348 KB |
partial |
19 |
Partially correct |
0 ms |
348 KB |
partial |
20 |
Partially correct |
0 ms |
348 KB |
partial |
21 |
Partially correct |
0 ms |
348 KB |
partial |
22 |
Correct |
1 ms |
348 KB |
ok |
23 |
Correct |
0 ms |
348 KB |
ok |
24 |
Partially correct |
0 ms |
348 KB |
partial |
25 |
Partially correct |
0 ms |
348 KB |
partial |
26 |
Partially correct |
0 ms |
416 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 |
0 ms |
348 KB |
partial |
33 |
Partially correct |
0 ms |
348 KB |
partial |
34 |
Correct |
0 ms |
348 KB |
ok |
35 |
Correct |
0 ms |
348 KB |
ok |
36 |
Partially correct |
0 ms |
348 KB |
partial |
37 |
Partially correct |
0 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 |
344 KB |
partial |
41 |
Partially correct |
1 ms |
348 KB |
partial |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Partially correct |
0 ms |
344 KB |
partial |
2 |
Correct |
0 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 |
0 ms |
348 KB |
partial |
8 |
Partially correct |
0 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 |
348 KB |
partial |
14 |
Partially correct |
0 ms |
348 KB |
partial |
15 |
Partially correct |
1 ms |
344 KB |
partial |
16 |
Correct |
0 ms |
348 KB |
ok |
17 |
Partially correct |
0 ms |
348 KB |
partial |
18 |
Partially correct |
0 ms |
348 KB |
partial |
19 |
Partially correct |
0 ms |
348 KB |
partial |
20 |
Partially correct |
0 ms |
348 KB |
partial |
21 |
Partially correct |
0 ms |
348 KB |
partial |
22 |
Correct |
1 ms |
348 KB |
ok |
23 |
Correct |
0 ms |
348 KB |
ok |
24 |
Partially correct |
0 ms |
348 KB |
partial |
25 |
Partially correct |
0 ms |
348 KB |
partial |
26 |
Partially correct |
0 ms |
416 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 |
0 ms |
348 KB |
partial |
33 |
Partially correct |
0 ms |
348 KB |
partial |
34 |
Correct |
0 ms |
348 KB |
ok |
35 |
Correct |
0 ms |
348 KB |
ok |
36 |
Partially correct |
0 ms |
348 KB |
partial |
37 |
Partially correct |
0 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 |
344 KB |
partial |
41 |
Partially correct |
1 ms |
348 KB |
partial |
42 |
Partially correct |
11 ms |
2392 KB |
partial |
43 |
Partially correct |
12 ms |
2396 KB |
partial |
44 |
Partially correct |
10 ms |
2204 KB |
partial |
45 |
Partially correct |
10 ms |
2396 KB |
partial |
46 |
Partially correct |
10 ms |
2208 KB |
partial |
47 |
Partially correct |
12 ms |
2396 KB |
partial |
48 |
Correct |
11 ms |
3416 KB |
ok |
49 |
Partially correct |
11 ms |
2396 KB |
partial |
50 |
Partially correct |
10 ms |
2408 KB |
partial |
51 |
Partially correct |
10 ms |
2204 KB |
partial |
52 |
Partially correct |
13 ms |
3420 KB |
partial |
53 |
Partially correct |
12 ms |
3420 KB |
partial |
54 |
Partially correct |
11 ms |
3420 KB |
partial |
55 |
Partially correct |
11 ms |
3420 KB |
partial |
56 |
Partially correct |
10 ms |
2396 KB |
partial |
57 |
Partially correct |
10 ms |
2396 KB |
partial |
58 |
Partially correct |
12 ms |
2396 KB |
partial |
59 |
Partially correct |
10 ms |
2396 KB |
partial |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Partially correct |
0 ms |
344 KB |
partial |
2 |
Correct |
0 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 |
0 ms |
344 KB |
ok |
7 |
Partially correct |
0 ms |
348 KB |
partial |
8 |
Partially correct |
1 ms |
348 KB |
partial |
9 |
Partially correct |
10 ms |
2200 KB |
partial |
10 |
Partially correct |
159 ms |
31824 KB |
partial |
11 |
Partially correct |
0 ms |
348 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 |
0 ms |
348 KB |
partial |
16 |
Correct |
0 ms |
348 KB |
ok |
17 |
Correct |
0 ms |
348 KB |
ok |
18 |
Partially correct |
0 ms |
348 KB |
partial |
19 |
Partially correct |
0 ms |
348 KB |
partial |
20 |
Partially correct |
1 ms |
344 KB |
partial |
21 |
Correct |
0 ms |
348 KB |
ok |
22 |
Partially correct |
0 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 |
0 ms |
348 KB |
partial |
27 |
Correct |
1 ms |
348 KB |
ok |
28 |
Correct |
0 ms |
348 KB |
ok |
29 |
Partially correct |
0 ms |
348 KB |
partial |
30 |
Partially correct |
0 ms |
348 KB |
partial |
31 |
Partially correct |
0 ms |
416 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 |
0 ms |
348 KB |
partial |
38 |
Partially correct |
0 ms |
348 KB |
partial |
39 |
Correct |
0 ms |
348 KB |
ok |
40 |
Correct |
0 ms |
348 KB |
ok |
41 |
Partially correct |
0 ms |
348 KB |
partial |
42 |
Partially correct |
0 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 |
344 KB |
partial |
46 |
Partially correct |
1 ms |
348 KB |
partial |
47 |
Partially correct |
11 ms |
2392 KB |
partial |
48 |
Partially correct |
12 ms |
2396 KB |
partial |
49 |
Partially correct |
10 ms |
2204 KB |
partial |
50 |
Partially correct |
10 ms |
2396 KB |
partial |
51 |
Partially correct |
10 ms |
2208 KB |
partial |
52 |
Partially correct |
12 ms |
2396 KB |
partial |
53 |
Correct |
11 ms |
3416 KB |
ok |
54 |
Partially correct |
11 ms |
2396 KB |
partial |
55 |
Partially correct |
10 ms |
2408 KB |
partial |
56 |
Partially correct |
10 ms |
2204 KB |
partial |
57 |
Partially correct |
13 ms |
3420 KB |
partial |
58 |
Partially correct |
12 ms |
3420 KB |
partial |
59 |
Partially correct |
11 ms |
3420 KB |
partial |
60 |
Partially correct |
11 ms |
3420 KB |
partial |
61 |
Partially correct |
10 ms |
2396 KB |
partial |
62 |
Partially correct |
10 ms |
2396 KB |
partial |
63 |
Partially correct |
12 ms |
2396 KB |
partial |
64 |
Partially correct |
10 ms |
2396 KB |
partial |
65 |
Partially correct |
176 ms |
31824 KB |
partial |
66 |
Partially correct |
171 ms |
31828 KB |
partial |
67 |
Partially correct |
163 ms |
31828 KB |
partial |
68 |
Partially correct |
156 ms |
31824 KB |
partial |
69 |
Partially correct |
157 ms |
31824 KB |
partial |
70 |
Partially correct |
174 ms |
31828 KB |
partial |
71 |
Partially correct |
184 ms |
31832 KB |
partial |
72 |
Partially correct |
160 ms |
31784 KB |
partial |
73 |
Correct |
187 ms |
47636 KB |
ok |
74 |
Correct |
195 ms |
47644 KB |
ok |
75 |
Partially correct |
167 ms |
31824 KB |
partial |
76 |
Partially correct |
165 ms |
31828 KB |
partial |
77 |
Partially correct |
156 ms |
31828 KB |
partial |
78 |
Partially correct |
162 ms |
31824 KB |
partial |
79 |
Partially correct |
160 ms |
31824 KB |
partial |
80 |
Partially correct |
158 ms |
31760 KB |
partial |
81 |
Partially correct |
195 ms |
31824 KB |
partial |
82 |
Partially correct |
202 ms |
31828 KB |
partial |
83 |
Partially correct |
171 ms |
31824 KB |
partial |
84 |
Partially correct |
228 ms |
47444 KB |
partial |
85 |
Partially correct |
196 ms |
47636 KB |
partial |
86 |
Partially correct |
209 ms |
47632 KB |
partial |
87 |
Partially correct |
217 ms |
47516 KB |
partial |
88 |
Partially correct |
170 ms |
31824 KB |
partial |
89 |
Partially correct |
185 ms |
31828 KB |
partial |
90 |
Partially correct |
188 ms |
31788 KB |
partial |
91 |
Partially correct |
166 ms |
31784 KB |
partial |
92 |
Partially correct |
164 ms |
31764 KB |
partial |
93 |
Partially correct |
172 ms |
31828 KB |
partial |
94 |
Partially correct |
156 ms |
31764 KB |
partial |
95 |
Partially correct |
158 ms |
31828 KB |
partial |
96 |
Partially correct |
155 ms |
31824 KB |
partial |
97 |
Partially correct |
162 ms |
31828 KB |
partial |
98 |
Partially correct |
158 ms |
31824 KB |
partial |
99 |
Partially correct |
162 ms |
31764 KB |
partial |
100 |
Partially correct |
157 ms |
31824 KB |
partial |
101 |
Partially correct |
155 ms |
31896 KB |
partial |
102 |
Partially correct |
161 ms |
31824 KB |
partial |
103 |
Partially correct |
158 ms |
31824 KB |
partial |
104 |
Partially correct |
190 ms |
31760 KB |
partial |
105 |
Partially correct |
157 ms |
31828 KB |
partial |
106 |
Partially correct |
156 ms |
31828 KB |
partial |
107 |
Partially correct |
155 ms |
31780 KB |
partial |
108 |
Partially correct |
164 ms |
31768 KB |
partial |
109 |
Partially correct |
162 ms |
32020 KB |
partial |