| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 170420 |
2019-12-25T07:02:16 Z |
davitmarg |
Bomb (IZhO17_bomb) |
C++17 |
|
618 ms |
51924 KB |
/*DavitMarg*/
#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <string>
#include <cstring>
#include <map>
#include <unordered_map>
#include <set>
#include <queue>
#include <iomanip>
#include <bitset>
#include <stack>
#include <cassert>
#include <iterator>
#include <fstream>
#define mod 1000000007ll
#define LL long long
#define LD long double
#define MP make_pair
#define PB push_back
#define all(v) v.begin(), v.end()
using namespace std;
const int N = 2505;
int n, m, a[N][N], nxt[N][N], d[N], Y, X, ans;
int main()
{
cin >> n >> m;
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++)
{
char x;
scanf(" %c", &x);
a[i][j] += (x - '0');
}
X = m;
Y = n;
for (int i = 1; i <= n; i++)
for (int j = m; j >= 1; j--)
{
if (a[i][j])
nxt[i][j] = nxt[i][j + 1] + 1;
else
nxt[i][j] = 0;
if (a[i][j - 1] == 0 && a[i][j])
X = min(X, nxt[i][j]);
}
for (int j = 1; j <= m; j++)
{
int y = 0;
for (int i = 1; i <= n; i++)
{
if (a[i][j])
y++;
else
y = 0;
if (a[i][j] && a[i + 1][j] == 0)
Y = min(y, Y);
}
}
for (int i = 1; i <= n; i++)
d[i] = X;
for (int j = 1; j <= m; j++)
{
int y = 0, x = X;
for (int i = 1; i <= n; i++)
{
if (a[i][j] == 0 || (a[i][j - 1] == 1 && y == 0))
{
y = 0;
x = X;
}
else
{
y++;
x = min(x, nxt[i][j]);
d[y] = min(x, d[y]);
}
//cout << i << " : " << j << " = " << y << " : " << x << endl;
}
}
for (int j = 1; j <= m; j++)
{
int y = 0, x = X;
for (int i = n; i >= 1; i--)
{
if (a[i][j] == 0 || (a[i][j - 1] == 1 && y == 0))
{
y = 0;
x = X;
}
else
{
y++;
x = min(x, nxt[i][j]);
d[y] = min(x, d[y]);
}
//cout << i << " : " << j << " = " << y << " : " << x << endl;
}
}
for (int i = 1; i <= Y; i++)
{
d[i + 1] = min(d[i + 1], d[i]);
ans = max(ans, i * d[i]);
}
cout << ans << endl;
return 0;
}
/*
8 8
00000000
01111100
01111100
01111100
01101100
01111100
01111100
00000000
6 6
000111
000111
001111
111100
111000
111000
*/
Compilation message
bomb.cpp: In function 'int main()':
bomb.cpp:38:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf(" %c", &x);
~~~~~^~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
504 KB |
Output is correct |
| 3 |
Correct |
21 ms |
20472 KB |
Output is correct |
| 4 |
Correct |
22 ms |
20476 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
| 9 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
| 10 |
Correct |
2 ms |
504 KB |
Output is correct |
| 11 |
Correct |
2 ms |
504 KB |
Output is correct |
| 12 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
2 ms |
504 KB |
Output is correct |
| 15 |
Incorrect |
2 ms |
508 KB |
Output isn't correct |
| 16 |
Correct |
2 ms |
504 KB |
Output is correct |
| 17 |
Incorrect |
3 ms |
860 KB |
Output isn't correct |
| 18 |
Correct |
3 ms |
888 KB |
Output is correct |
| 19 |
Incorrect |
3 ms |
1144 KB |
Output isn't correct |
| 20 |
Incorrect |
3 ms |
1148 KB |
Output isn't correct |
| 21 |
Correct |
2 ms |
760 KB |
Output is correct |
| 22 |
Correct |
3 ms |
1016 KB |
Output is correct |
| 23 |
Incorrect |
3 ms |
1172 KB |
Output isn't correct |
| 24 |
Incorrect |
3 ms |
1016 KB |
Output isn't correct |
| 25 |
Incorrect |
3 ms |
1272 KB |
Output isn't correct |
| 26 |
Incorrect |
3 ms |
1144 KB |
Output isn't correct |
| 27 |
Correct |
10 ms |
3448 KB |
Output is correct |
| 28 |
Incorrect |
11 ms |
3704 KB |
Output isn't correct |
| 29 |
Incorrect |
14 ms |
4600 KB |
Output isn't correct |
| 30 |
Incorrect |
18 ms |
5372 KB |
Output isn't correct |
| 31 |
Correct |
14 ms |
4344 KB |
Output is correct |
| 32 |
Incorrect |
15 ms |
4984 KB |
Output isn't correct |
| 33 |
Incorrect |
19 ms |
5752 KB |
Output isn't correct |
| 34 |
Incorrect |
10 ms |
3832 KB |
Output isn't correct |
| 35 |
Incorrect |
19 ms |
5752 KB |
Output isn't correct |
| 36 |
Incorrect |
20 ms |
5752 KB |
Output isn't correct |
| 37 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
| 38 |
Correct |
575 ms |
51780 KB |
Output is correct |
| 39 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
| 40 |
Incorrect |
69 ms |
14072 KB |
Output isn't correct |
| 41 |
Correct |
2 ms |
504 KB |
Output is correct |
| 42 |
Correct |
3 ms |
1272 KB |
Output is correct |
| 43 |
Correct |
591 ms |
51744 KB |
Output is correct |
| 44 |
Correct |
19 ms |
5752 KB |
Output is correct |
| 45 |
Incorrect |
578 ms |
51704 KB |
Output isn't correct |
| 46 |
Correct |
558 ms |
51796 KB |
Output is correct |
| 47 |
Incorrect |
581 ms |
51832 KB |
Output isn't correct |
| 48 |
Incorrect |
596 ms |
51764 KB |
Output isn't correct |
| 49 |
Correct |
597 ms |
51728 KB |
Output is correct |
| 50 |
Incorrect |
562 ms |
51728 KB |
Output isn't correct |
| 51 |
Incorrect |
558 ms |
51924 KB |
Output isn't correct |
| 52 |
Correct |
555 ms |
51580 KB |
Output is correct |
| 53 |
Correct |
556 ms |
51776 KB |
Output is correct |
| 54 |
Correct |
585 ms |
51732 KB |
Output is correct |
| 55 |
Incorrect |
582 ms |
51704 KB |
Output isn't correct |
| 56 |
Correct |
605 ms |
51816 KB |
Output is correct |
| 57 |
Incorrect |
536 ms |
51704 KB |
Output isn't correct |
| 58 |
Correct |
538 ms |
51832 KB |
Output is correct |
| 59 |
Correct |
538 ms |
51652 KB |
Output is correct |
| 60 |
Correct |
618 ms |
51404 KB |
Output is correct |
| 61 |
Correct |
597 ms |
50936 KB |
Output is correct |
| 62 |
Correct |
590 ms |
51040 KB |
Output is correct |
| 63 |
Correct |
601 ms |
51064 KB |
Output is correct |
| 64 |
Correct |
547 ms |
50936 KB |
Output is correct |
| 65 |
Correct |
551 ms |
50920 KB |
Output is correct |
| 66 |
Correct |
554 ms |
51064 KB |
Output is correct |
| 67 |
Incorrect |
564 ms |
50992 KB |
Output isn't correct |
| 68 |
Incorrect |
565 ms |
50904 KB |
Output isn't correct |
| 69 |
Correct |
541 ms |
51064 KB |
Output is correct |
| 70 |
Incorrect |
326 ms |
40696 KB |
Output isn't correct |
| 71 |
Incorrect |
527 ms |
50972 KB |
Output isn't correct |
| 72 |
Incorrect |
543 ms |
50952 KB |
Output isn't correct |
| 73 |
Correct |
537 ms |
50996 KB |
Output is correct |
| 74 |
Incorrect |
536 ms |
51064 KB |
Output isn't correct |
| 75 |
Incorrect |
536 ms |
50936 KB |
Output isn't correct |
| 76 |
Incorrect |
535 ms |
50912 KB |
Output isn't correct |
| 77 |
Incorrect |
538 ms |
51064 KB |
Output isn't correct |
| 78 |
Incorrect |
537 ms |
50976 KB |
Output isn't correct |
| 79 |
Incorrect |
518 ms |
50936 KB |
Output isn't correct |
| 80 |
Incorrect |
578 ms |
51068 KB |
Output isn't correct |
| 81 |
Incorrect |
533 ms |
51056 KB |
Output isn't correct |
| 82 |
Incorrect |
540 ms |
50952 KB |
Output isn't correct |
| 83 |
Incorrect |
541 ms |
50552 KB |
Output isn't correct |
| 84 |
Incorrect |
536 ms |
50584 KB |
Output isn't correct |
| 85 |
Incorrect |
547 ms |
50492 KB |
Output isn't correct |
| 86 |
Incorrect |
572 ms |
50676 KB |
Output isn't correct |
| 87 |
Incorrect |
538 ms |
50644 KB |
Output isn't correct |
| 88 |
Correct |
540 ms |
50648 KB |
Output is correct |
| 89 |
Correct |
549 ms |
50684 KB |
Output is correct |
| 90 |
Incorrect |
334 ms |
40568 KB |
Output isn't correct |
| 91 |
Incorrect |
541 ms |
50572 KB |
Output isn't correct |
| 92 |
Incorrect |
566 ms |
50608 KB |
Output isn't correct |
| 93 |
Incorrect |
571 ms |
50620 KB |
Output isn't correct |
| 94 |
Correct |
551 ms |
50568 KB |
Output is correct |
| 95 |
Incorrect |
540 ms |
50608 KB |
Output isn't correct |
| 96 |
Correct |
552 ms |
50636 KB |
Output is correct |
| 97 |
Incorrect |
589 ms |
50496 KB |
Output isn't correct |
| 98 |
Incorrect |
536 ms |
50612 KB |
Output isn't correct |
| 99 |
Incorrect |
546 ms |
50552 KB |
Output isn't correct |
| 100 |
Incorrect |
572 ms |
50552 KB |
Output isn't correct |
