| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 91548 |
2018-12-28T09:30:15 Z |
davitmarg |
Bomb (IZhO17_bomb) |
C++17 |
|
778 ms |
49852 KB |
/*
DEATH-MATCH
Davit-Marg
*/
#include <iostream>
#include <algorithm>
#include <cmath>
#include <cassert>
#include <vector>
#include <string>
#include <cstring>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <stack>
#include <iterator>
#include <ctype.h>
#include <stdlib.h>
#include <fstream>
#define mod 1000000007ll
#define LL long long
#define LD long double
#define MP make_pair
#define PB push_back
using namespace std;
int n, m,w,h,l,r,mid;
int mp[2503][2503],pr[2503][2503];
char tmp;
int sum(int ys,int xs,int y,int x)
{
xs--;
ys--;
return pr[y][x] - pr[y][xs] - pr[ys][x] + pr[ys][xs];
}
bool check(int x)
{
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++)
if (mp[i][j] && !mp[i - 1][j] && !mp[i][j - 1])
{
int s = sum(i, j, i + x - 1, j + w - 1);
if (i + x - 1 > n || j + w - 1 > m)
return 0;
if (s != x * w)
return 0;
}
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++)
if (mp[i][j] && !mp[i + 1][j] && !mp[i][j + 1])
{
int s = sum(i-x+1,j-w+1,i, j);
if (i - x + 1 < 1 || j - w + 1 < 1)
return 0;
if (s != x * w)
return 0;
}
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++)
if (mp[i][j] && !mp[i - 1][j] && !mp[i][j + 1])
{
int s = sum(i, j - w + 1, i + x - 1, j);
if (i + x - 1 > n || j - w + 1 < 1)
return 0;
if (s != x * w)
return 0;
}
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++)
if (mp[i][j] && !mp[i + 1][j] && !mp[i][j - 1])
{
int s = sum(i - x + 1, j, i, j + w - 1);
if (j + w - 1 > m || i - x + 1 < 1)
return 0;
if (s != x * w)
return 0;
}
return 1;
}
int main()
{
cin >> n >> m;
w = m;
h = n;
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++)
{
cin >> tmp;
mp[i][j] = tmp - '0';
pr[i][j] = pr[i - 1][j] + pr[i][j - 1] - pr[i - 1][j - 1]+mp[i][j];
}
for (int i = 1; i <= n; i++)
{
int sum = 0;
for (int j = 1; j <= m; j++)
{
sum += mp[i][j];
if (mp[i][j] == 0)
{
if (sum)
w = min(sum,w);
sum = 0;
}
}
if(sum)
w = min(sum, w);
}
r = n;
for (int i = 1; i <= m; i++)
{
int sum = 0;
for (int j = 1; j <= n; j++)
{
sum += mp[j][i];
if (mp[j][i] == 0)
{
if (sum)
r = min(sum, r);
sum = 0;
}
}
}
l = 1;
h = 1;
while (l <= r)
{
mid = (l + r) / 2;
if (check(mid))
{
h = mid;
l = mid + 1;
}
else
r = mid - 1;
}
cout << max(w * h,1) << endl;
return 0;
}
/*
5 6
000000
111110
111111
111111
000000
7 8
01001110
01001110
01001100
00000000
01000000
01000000
01000000
7 8
01000000
00000000
00000000
00000000
00000000
00000000
00000000
7 8
11111111
11111111
11111111
11100111
11111111
11111111
11111111
7 8
00000000
00011000
00011000
00000000
00011111
00011111
00000000
*/
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
600 KB |
Output is correct |
| 3 |
Correct |
20 ms |
20556 KB |
Output is correct |
| 4 |
Correct |
21 ms |
20560 KB |
Output is correct |
| 5 |
Correct |
2 ms |
20560 KB |
Output is correct |
| 6 |
Correct |
2 ms |
20560 KB |
Output is correct |
| 7 |
Correct |
2 ms |
20560 KB |
Output is correct |
| 8 |
Incorrect |
2 ms |
20560 KB |
Output isn't correct |
| 9 |
Incorrect |
2 ms |
20560 KB |
Output isn't correct |
| 10 |
Incorrect |
1 ms |
20560 KB |
Output isn't correct |
| 11 |
Incorrect |
2 ms |
20560 KB |
Output isn't correct |
| 12 |
Correct |
1 ms |
20560 KB |
Output is correct |
| 13 |
Correct |
2 ms |
20560 KB |
Output is correct |
| 14 |
Correct |
2 ms |
20560 KB |
Output is correct |
| 15 |
Incorrect |
2 ms |
20560 KB |
Output isn't correct |
| 16 |
Correct |
2 ms |
20560 KB |
Output is correct |
| 17 |
Correct |
2 ms |
20560 KB |
Output is correct |
| 18 |
Incorrect |
3 ms |
20560 KB |
Output isn't correct |
| 19 |
Incorrect |
3 ms |
20560 KB |
Output isn't correct |
| 20 |
Incorrect |
3 ms |
20560 KB |
Output isn't correct |
| 21 |
Incorrect |
3 ms |
20560 KB |
Output isn't correct |
| 22 |
Incorrect |
3 ms |
20560 KB |
Output isn't correct |
| 23 |
Incorrect |
3 ms |
20560 KB |
Output isn't correct |
| 24 |
Incorrect |
3 ms |
20560 KB |
Output isn't correct |
| 25 |
Incorrect |
3 ms |
20560 KB |
Output isn't correct |
| 26 |
Correct |
3 ms |
20560 KB |
Output is correct |
| 27 |
Correct |
9 ms |
20560 KB |
Output is correct |
| 28 |
Incorrect |
11 ms |
20560 KB |
Output isn't correct |
| 29 |
Incorrect |
14 ms |
20560 KB |
Output isn't correct |
| 30 |
Incorrect |
20 ms |
20560 KB |
Output isn't correct |
| 31 |
Incorrect |
16 ms |
20560 KB |
Output isn't correct |
| 32 |
Incorrect |
17 ms |
20560 KB |
Output isn't correct |
| 33 |
Incorrect |
20 ms |
20560 KB |
Output isn't correct |
| 34 |
Incorrect |
10 ms |
20560 KB |
Output isn't correct |
| 35 |
Incorrect |
19 ms |
20560 KB |
Output isn't correct |
| 36 |
Correct |
21 ms |
20560 KB |
Output is correct |
| 37 |
Correct |
2 ms |
20560 KB |
Output is correct |
| 38 |
Correct |
687 ms |
49696 KB |
Output is correct |
| 39 |
Correct |
2 ms |
49696 KB |
Output is correct |
| 40 |
Incorrect |
70 ms |
49696 KB |
Output isn't correct |
| 41 |
Incorrect |
2 ms |
49696 KB |
Output isn't correct |
| 42 |
Incorrect |
3 ms |
49696 KB |
Output isn't correct |
| 43 |
Correct |
598 ms |
49696 KB |
Output is correct |
| 44 |
Incorrect |
19 ms |
49696 KB |
Output isn't correct |
| 45 |
Incorrect |
434 ms |
49696 KB |
Output isn't correct |
| 46 |
Correct |
613 ms |
49696 KB |
Output is correct |
| 47 |
Incorrect |
496 ms |
49696 KB |
Output isn't correct |
| 48 |
Incorrect |
443 ms |
49696 KB |
Output isn't correct |
| 49 |
Correct |
483 ms |
49696 KB |
Output is correct |
| 50 |
Incorrect |
444 ms |
49696 KB |
Output isn't correct |
| 51 |
Incorrect |
453 ms |
49696 KB |
Output isn't correct |
| 52 |
Incorrect |
441 ms |
49696 KB |
Output isn't correct |
| 53 |
Incorrect |
440 ms |
49696 KB |
Output isn't correct |
| 54 |
Incorrect |
454 ms |
49696 KB |
Output isn't correct |
| 55 |
Incorrect |
454 ms |
49696 KB |
Output isn't correct |
| 56 |
Correct |
778 ms |
49696 KB |
Output is correct |
| 57 |
Incorrect |
462 ms |
49696 KB |
Output isn't correct |
| 58 |
Incorrect |
466 ms |
49696 KB |
Output isn't correct |
| 59 |
Incorrect |
437 ms |
49696 KB |
Output isn't correct |
| 60 |
Correct |
536 ms |
49696 KB |
Output is correct |
| 61 |
Incorrect |
528 ms |
49696 KB |
Output isn't correct |
| 62 |
Correct |
587 ms |
49696 KB |
Output is correct |
| 63 |
Correct |
624 ms |
49696 KB |
Output is correct |
| 64 |
Correct |
613 ms |
49696 KB |
Output is correct |
| 65 |
Incorrect |
447 ms |
49696 KB |
Output isn't correct |
| 66 |
Incorrect |
433 ms |
49696 KB |
Output isn't correct |
| 67 |
Incorrect |
418 ms |
49780 KB |
Output isn't correct |
| 68 |
Incorrect |
426 ms |
49780 KB |
Output isn't correct |
| 69 |
Incorrect |
469 ms |
49780 KB |
Output isn't correct |
| 70 |
Incorrect |
351 ms |
49780 KB |
Output isn't correct |
| 71 |
Incorrect |
575 ms |
49780 KB |
Output isn't correct |
| 72 |
Incorrect |
604 ms |
49780 KB |
Output isn't correct |
| 73 |
Incorrect |
540 ms |
49780 KB |
Output isn't correct |
| 74 |
Incorrect |
568 ms |
49780 KB |
Output isn't correct |
| 75 |
Incorrect |
552 ms |
49780 KB |
Output isn't correct |
| 76 |
Incorrect |
533 ms |
49852 KB |
Output isn't correct |
| 77 |
Incorrect |
541 ms |
49852 KB |
Output isn't correct |
| 78 |
Incorrect |
578 ms |
49852 KB |
Output isn't correct |
| 79 |
Incorrect |
541 ms |
49852 KB |
Output isn't correct |
| 80 |
Incorrect |
519 ms |
49852 KB |
Output isn't correct |
| 81 |
Incorrect |
702 ms |
49852 KB |
Output isn't correct |
| 82 |
Incorrect |
618 ms |
49852 KB |
Output isn't correct |
| 83 |
Incorrect |
605 ms |
49852 KB |
Output isn't correct |
| 84 |
Incorrect |
481 ms |
49852 KB |
Output isn't correct |
| 85 |
Incorrect |
553 ms |
49852 KB |
Output isn't correct |
| 86 |
Incorrect |
482 ms |
49852 KB |
Output isn't correct |
| 87 |
Correct |
580 ms |
49852 KB |
Output is correct |
| 88 |
Incorrect |
596 ms |
49852 KB |
Output isn't correct |
| 89 |
Incorrect |
543 ms |
49852 KB |
Output isn't correct |
| 90 |
Incorrect |
365 ms |
49852 KB |
Output isn't correct |
| 91 |
Incorrect |
559 ms |
49852 KB |
Output isn't correct |
| 92 |
Incorrect |
519 ms |
49852 KB |
Output isn't correct |
| 93 |
Incorrect |
472 ms |
49852 KB |
Output isn't correct |
| 94 |
Incorrect |
525 ms |
49852 KB |
Output isn't correct |
| 95 |
Incorrect |
596 ms |
49852 KB |
Output isn't correct |
| 96 |
Incorrect |
595 ms |
49852 KB |
Output isn't correct |
| 97 |
Incorrect |
467 ms |
49852 KB |
Output isn't correct |
| 98 |
Incorrect |
609 ms |
49852 KB |
Output isn't correct |
| 99 |
Incorrect |
558 ms |
49852 KB |
Output isn't correct |
| 100 |
Incorrect |
485 ms |
49852 KB |
Output isn't correct |
