| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1036549 |
2024-07-27T13:47:36 Z |
adaawf |
Bomb (IZhO17_bomb) |
C++17 |
|
118 ms |
55640 KB |
#include <iostream>
using namespace std;
char a[2505][2505];
int f[2505][2505], g[2505][2505], d[2505];
int main() {
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int n, m;
cin >> n >> m;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
d[j] = n;
cin >> a[i][j];
if (a[i][j] == '1') f[i][j] = f[i - 1][j] + 1;
else f[i][j] = 0;
}
}
for (int i = n; i >= 1; i--) {
for (int j = 1; j <= m; j++) {
if (a[i][j] == '1') g[i][j] = g[i + 1][j] + 1;
else g[i][j] = 0;
if (a[i][j] == '1') {
d[1] = min(d[1], f[i][j] + g[i][j] - 1);
}
}
}
int ma = m;
for (int i = 1; i <= n; i++) {
int h = n, k = n, c = 0;
for (int j = 1; j <= m; j++) {
if (a[i][j] == '1') {
c++;
h = min(h, f[i][j]);
k = min(k, g[i][j]);
d[c] = min(d[c], h + k - 1);
}
else {
if (c != 0) ma = min(ma, c);
c = 0;
h = k = n;
}
}
if (c != 0) ma = min(ma, c);
h = k = n;
c = 0;
for (int j = m; j >= 1; j--) {
if (a[i][j] == '1') {
c++;
h = min(h, f[i][j]);
k = min(k, g[i][j]);
d[c] = min(d[c], h + k - 1);
}
else {
if (c != 0) ma = min(ma, c);
c = 0;
h = k = n;
}
}
if (c != 0) ma = min(ma, c);
}
int res = -1e9;
d[0] = 1e9;
for (int i = 1; i <= ma; i++) {
d[i] = min(d[i], d[i - 1]);
res = max(res, i * d[i]);
}
cout << res;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 2 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 3 |
Correct |
6 ms |
38628 KB |
Output is correct |
| 4 |
Correct |
7 ms |
39768 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 9 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 10 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 11 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 12 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 14 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 15 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2652 KB |
Output is correct |
| 17 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 18 |
Correct |
1 ms |
6748 KB |
Output is correct |
| 19 |
Correct |
1 ms |
6744 KB |
Output is correct |
| 20 |
Correct |
1 ms |
7000 KB |
Output is correct |
| 21 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 22 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 23 |
Correct |
1 ms |
6748 KB |
Output is correct |
| 24 |
Correct |
1 ms |
6748 KB |
Output is correct |
| 25 |
Correct |
1 ms |
6748 KB |
Output is correct |
| 26 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 27 |
Correct |
2 ms |
11100 KB |
Output is correct |
| 28 |
Correct |
3 ms |
12892 KB |
Output is correct |
| 29 |
Correct |
3 ms |
14680 KB |
Output is correct |
| 30 |
Correct |
3 ms |
12892 KB |
Output is correct |
| 31 |
Correct |
3 ms |
12908 KB |
Output is correct |
| 32 |
Correct |
3 ms |
12892 KB |
Output is correct |
| 33 |
Correct |
4 ms |
16984 KB |
Output is correct |
| 34 |
Correct |
4 ms |
14684 KB |
Output is correct |
| 35 |
Correct |
4 ms |
16988 KB |
Output is correct |
| 36 |
Correct |
4 ms |
14940 KB |
Output is correct |
| 37 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 38 |
Correct |
87 ms |
55628 KB |
Output is correct |
| 39 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 40 |
Correct |
11 ms |
23388 KB |
Output is correct |
| 41 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 42 |
Correct |
1 ms |
7004 KB |
Output is correct |
| 43 |
Correct |
86 ms |
55516 KB |
Output is correct |
| 44 |
Correct |
4 ms |
16984 KB |
Output is correct |
| 45 |
Correct |
83 ms |
55528 KB |
Output is correct |
| 46 |
Correct |
89 ms |
55636 KB |
Output is correct |
| 47 |
Correct |
98 ms |
55556 KB |
Output is correct |
| 48 |
Correct |
80 ms |
55500 KB |
Output is correct |
| 49 |
Correct |
80 ms |
55640 KB |
Output is correct |
| 50 |
Correct |
85 ms |
55480 KB |
Output is correct |
| 51 |
Correct |
78 ms |
55632 KB |
Output is correct |
| 52 |
Correct |
79 ms |
55632 KB |
Output is correct |
| 53 |
Correct |
78 ms |
55548 KB |
Output is correct |
| 54 |
Correct |
108 ms |
55544 KB |
Output is correct |
| 55 |
Correct |
118 ms |
55636 KB |
Output is correct |
| 56 |
Correct |
102 ms |
55492 KB |
Output is correct |
| 57 |
Correct |
76 ms |
55632 KB |
Output is correct |
| 58 |
Correct |
80 ms |
55528 KB |
Output is correct |
| 59 |
Correct |
76 ms |
55636 KB |
Output is correct |
| 60 |
Correct |
78 ms |
55632 KB |
Output is correct |
| 61 |
Correct |
85 ms |
55492 KB |
Output is correct |
| 62 |
Correct |
82 ms |
55636 KB |
Output is correct |
| 63 |
Correct |
86 ms |
55636 KB |
Output is correct |
| 64 |
Correct |
78 ms |
55508 KB |
Output is correct |
| 65 |
Correct |
113 ms |
55528 KB |
Output is correct |
| 66 |
Correct |
99 ms |
55632 KB |
Output is correct |
| 67 |
Correct |
85 ms |
55536 KB |
Output is correct |
| 68 |
Correct |
92 ms |
55548 KB |
Output is correct |
| 69 |
Correct |
75 ms |
55632 KB |
Output is correct |
| 70 |
Correct |
50 ms |
48464 KB |
Output is correct |
| 71 |
Correct |
82 ms |
55488 KB |
Output is correct |
| 72 |
Correct |
74 ms |
55632 KB |
Output is correct |
| 73 |
Correct |
81 ms |
55632 KB |
Output is correct |
| 74 |
Correct |
74 ms |
55492 KB |
Output is correct |
| 75 |
Correct |
75 ms |
55488 KB |
Output is correct |
| 76 |
Correct |
75 ms |
55632 KB |
Output is correct |
| 77 |
Correct |
77 ms |
55440 KB |
Output is correct |
| 78 |
Correct |
74 ms |
55520 KB |
Output is correct |
| 79 |
Correct |
71 ms |
55520 KB |
Output is correct |
| 80 |
Correct |
89 ms |
55476 KB |
Output is correct |
| 81 |
Correct |
72 ms |
55632 KB |
Output is correct |
| 82 |
Correct |
80 ms |
55632 KB |
Output is correct |
| 83 |
Correct |
78 ms |
55448 KB |
Output is correct |
| 84 |
Correct |
72 ms |
55636 KB |
Output is correct |
| 85 |
Correct |
84 ms |
55632 KB |
Output is correct |
| 86 |
Correct |
81 ms |
55636 KB |
Output is correct |
| 87 |
Correct |
97 ms |
55636 KB |
Output is correct |
| 88 |
Correct |
78 ms |
55508 KB |
Output is correct |
| 89 |
Correct |
85 ms |
55504 KB |
Output is correct |
| 90 |
Correct |
50 ms |
48468 KB |
Output is correct |
| 91 |
Correct |
77 ms |
55632 KB |
Output is correct |
| 92 |
Correct |
80 ms |
55632 KB |
Output is correct |
| 93 |
Correct |
76 ms |
55632 KB |
Output is correct |
| 94 |
Correct |
76 ms |
55632 KB |
Output is correct |
| 95 |
Correct |
73 ms |
55492 KB |
Output is correct |
| 96 |
Correct |
83 ms |
55492 KB |
Output is correct |
| 97 |
Correct |
101 ms |
55636 KB |
Output is correct |
| 98 |
Correct |
75 ms |
55632 KB |
Output is correct |
| 99 |
Correct |
78 ms |
55572 KB |
Output is correct |
| 100 |
Correct |
82 ms |
55500 KB |
Output is correct |
