| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1011300 |
2024-06-30T09:58:47 Z |
LucaIlie |
Bomb (IZhO17_bomb) |
C++17 |
|
254 ms |
73876 KB |
#include <bits/stdc++.h>
using namespace std;
const int MAX_N = 2500;
int mat[MAX_N + 2][MAX_N + 2], up[MAX_N + 2][MAX_N + 2], down[MAX_N + 2][MAX_N + 2], hup[MAX_N + 2], hdown[MAX_N + 2], maxHeight[MAX_N + 2];
int main() {
int n, m;
cin >> n >> m;
for ( int l = 1; l <= n; l++ ) {
for ( int c = 1; c <= m; c++ ) {
char ch;
cin >> ch;
mat[l][c] = ch - '0';
}
}
for ( int l = 1; l <= n; l++ ) {
for ( int c = 1; c <= m; c++ )
up[l][c] = (mat[l][c] ? up[l - 1][c] + 1 : 0);
}
for ( int l = n; l >= 1; l-- ) {
for ( int c = 1; c <= m; c++ )
down[l][c] = (mat[l][c] ? down[l + 1][c] + 1 : 0);
}
int maxWidth = m;
for ( int i = 0; i <= m; i++ )
maxHeight[i] = n;
for ( int l = 1; l <= n; l++ ) {
int cons1 = 0, hup = n, hdown = n;
for ( int c = 1; c <= m; c++ ) {
if ( mat[l][c] ) {
cons1++;
hup = min( hup, up[l][c] );
hdown = min( hdown, down[l][c] );
maxHeight[cons1] = min( maxHeight[cons1], hup + hdown - 1 );
} else {
if ( cons1 > 0 )
maxWidth = min( maxWidth, cons1 );
cons1 = 0, hup = n, hdown = n;
}
}
if ( cons1 > 0 )
maxWidth = min( maxWidth, cons1 );
}
for ( int l = 1; l <= n; l++ ) {
int cons1 = 0, hup = n, hdown = n;
for ( int c = m; c >= 1; c-- ) {
if ( mat[l][c] ) {
cons1++;
hup = min( hup, up[l][c] );
hdown = min( hdown, down[l][c] );
maxHeight[cons1] = min( maxHeight[cons1], hup + hdown - 1 );
} else
cons1 = 0, hup = n, hdown = n;
}
}
int maxArea = 0;
for ( int i = 1; i <= maxWidth; i++ ) {
maxHeight[i] = min( maxHeight[i], maxHeight[i - 1] );
maxArea = max( maxArea, maxHeight[i] * i );
}
cout << maxArea;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
604 KB |
Output is correct |
| 3 |
Correct |
10 ms |
30344 KB |
Output is correct |
| 4 |
Correct |
9 ms |
30512 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 8 |
Correct |
1 ms |
600 KB |
Output is correct |
| 9 |
Correct |
1 ms |
604 KB |
Output is correct |
| 10 |
Correct |
0 ms |
604 KB |
Output is correct |
| 11 |
Correct |
0 ms |
604 KB |
Output is correct |
| 12 |
Correct |
0 ms |
604 KB |
Output is correct |
| 13 |
Correct |
0 ms |
604 KB |
Output is correct |
| 14 |
Correct |
0 ms |
604 KB |
Output is correct |
| 15 |
Correct |
0 ms |
604 KB |
Output is correct |
| 16 |
Correct |
0 ms |
604 KB |
Output is correct |
| 17 |
Correct |
1 ms |
1116 KB |
Output is correct |
| 18 |
Correct |
1 ms |
1116 KB |
Output is correct |
| 19 |
Correct |
1 ms |
1628 KB |
Output is correct |
| 20 |
Correct |
1 ms |
1628 KB |
Output is correct |
| 21 |
Correct |
1 ms |
1116 KB |
Output is correct |
| 22 |
Correct |
1 ms |
1372 KB |
Output is correct |
| 23 |
Correct |
2 ms |
1628 KB |
Output is correct |
| 24 |
Correct |
1 ms |
1372 KB |
Output is correct |
| 25 |
Correct |
1 ms |
1628 KB |
Output is correct |
| 26 |
Incorrect |
1 ms |
1628 KB |
Output isn't correct |
| 27 |
Incorrect |
5 ms |
4700 KB |
Output isn't correct |
| 28 |
Correct |
4 ms |
5244 KB |
Output is correct |
| 29 |
Correct |
6 ms |
6540 KB |
Output is correct |
| 30 |
Correct |
8 ms |
7772 KB |
Output is correct |
| 31 |
Correct |
7 ms |
6236 KB |
Output is correct |
| 32 |
Correct |
7 ms |
7004 KB |
Output is correct |
| 33 |
Correct |
8 ms |
8028 KB |
Output is correct |
| 34 |
Correct |
4 ms |
5572 KB |
Output is correct |
| 35 |
Correct |
9 ms |
8028 KB |
Output is correct |
| 36 |
Incorrect |
10 ms |
8116 KB |
Output isn't correct |
| 37 |
Correct |
1 ms |
604 KB |
Output is correct |
| 38 |
Correct |
219 ms |
73816 KB |
Output is correct |
| 39 |
Correct |
1 ms |
600 KB |
Output is correct |
| 40 |
Correct |
32 ms |
19964 KB |
Output is correct |
| 41 |
Correct |
0 ms |
604 KB |
Output is correct |
| 42 |
Correct |
1 ms |
1628 KB |
Output is correct |
| 43 |
Correct |
214 ms |
73816 KB |
Output is correct |
| 44 |
Correct |
10 ms |
8024 KB |
Output is correct |
| 45 |
Correct |
214 ms |
73688 KB |
Output is correct |
| 46 |
Correct |
201 ms |
73808 KB |
Output is correct |
| 47 |
Correct |
205 ms |
73812 KB |
Output is correct |
| 48 |
Correct |
231 ms |
73808 KB |
Output is correct |
| 49 |
Incorrect |
198 ms |
73828 KB |
Output isn't correct |
| 50 |
Correct |
215 ms |
73780 KB |
Output is correct |
| 51 |
Correct |
208 ms |
73704 KB |
Output is correct |
| 52 |
Correct |
227 ms |
73812 KB |
Output is correct |
| 53 |
Correct |
228 ms |
73812 KB |
Output is correct |
| 54 |
Correct |
211 ms |
73668 KB |
Output is correct |
| 55 |
Correct |
202 ms |
73712 KB |
Output is correct |
| 56 |
Correct |
196 ms |
73856 KB |
Output is correct |
| 57 |
Correct |
191 ms |
73804 KB |
Output is correct |
| 58 |
Correct |
196 ms |
73812 KB |
Output is correct |
| 59 |
Correct |
225 ms |
73692 KB |
Output is correct |
| 60 |
Incorrect |
213 ms |
73760 KB |
Output isn't correct |
| 61 |
Incorrect |
209 ms |
73812 KB |
Output isn't correct |
| 62 |
Incorrect |
238 ms |
73808 KB |
Output isn't correct |
| 63 |
Incorrect |
225 ms |
73808 KB |
Output isn't correct |
| 64 |
Incorrect |
246 ms |
73812 KB |
Output isn't correct |
| 65 |
Correct |
196 ms |
73812 KB |
Output is correct |
| 66 |
Correct |
212 ms |
73808 KB |
Output is correct |
| 67 |
Correct |
213 ms |
73668 KB |
Output is correct |
| 68 |
Correct |
212 ms |
73740 KB |
Output is correct |
| 69 |
Correct |
218 ms |
73812 KB |
Output is correct |
| 70 |
Correct |
146 ms |
58964 KB |
Output is correct |
| 71 |
Correct |
204 ms |
73808 KB |
Output is correct |
| 72 |
Correct |
209 ms |
73772 KB |
Output is correct |
| 73 |
Correct |
205 ms |
73688 KB |
Output is correct |
| 74 |
Correct |
213 ms |
73844 KB |
Output is correct |
| 75 |
Correct |
240 ms |
73812 KB |
Output is correct |
| 76 |
Correct |
209 ms |
73768 KB |
Output is correct |
| 77 |
Correct |
196 ms |
73808 KB |
Output is correct |
| 78 |
Correct |
236 ms |
73652 KB |
Output is correct |
| 79 |
Correct |
211 ms |
73816 KB |
Output is correct |
| 80 |
Correct |
214 ms |
73808 KB |
Output is correct |
| 81 |
Correct |
215 ms |
73808 KB |
Output is correct |
| 82 |
Correct |
212 ms |
73812 KB |
Output is correct |
| 83 |
Correct |
219 ms |
73808 KB |
Output is correct |
| 84 |
Correct |
207 ms |
73808 KB |
Output is correct |
| 85 |
Correct |
216 ms |
73768 KB |
Output is correct |
| 86 |
Correct |
218 ms |
73808 KB |
Output is correct |
| 87 |
Correct |
206 ms |
73856 KB |
Output is correct |
| 88 |
Correct |
254 ms |
73808 KB |
Output is correct |
| 89 |
Correct |
215 ms |
73672 KB |
Output is correct |
| 90 |
Correct |
135 ms |
58960 KB |
Output is correct |
| 91 |
Correct |
210 ms |
73812 KB |
Output is correct |
| 92 |
Correct |
208 ms |
73716 KB |
Output is correct |
| 93 |
Correct |
204 ms |
73852 KB |
Output is correct |
| 94 |
Correct |
213 ms |
73876 KB |
Output is correct |
| 95 |
Correct |
223 ms |
73812 KB |
Output is correct |
| 96 |
Correct |
226 ms |
73808 KB |
Output is correct |
| 97 |
Correct |
228 ms |
73808 KB |
Output is correct |
| 98 |
Correct |
227 ms |
73684 KB |
Output is correct |
| 99 |
Correct |
213 ms |
73808 KB |
Output is correct |
| 100 |
Correct |
208 ms |
73808 KB |
Output is correct |
