# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
170981 |
2019-12-26T21:44:04 Z |
davitmarg |
Bomb (IZhO17_bomb) |
C++17 |
|
853 ms |
74104 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], lst[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;
if (a[i][j - 1])
X = min(nxt[i][j], X);
}
else
nxt[i][j] = 0;
}
for (int j = 1; j <= m; j++)
if (a[i][j])
lst[i][j] = lst[i][j - 1] + 1;
else
lst[i][j] = 0;
}
for (int i = 1; i <= Y; i++)
d[i] = X;
for (int j = 1; j <= m; j++)
{
int y = 0, l = X, r = X;
for (int i = 1; i <= n; i++)
{
if (a[i][j] == 0)
{
y = 0;
l = r = X;
}
else
{
y++;
r = min(r, nxt[i][j]);
l = min(l, lst[i][j]);
d[y] = min(l + r - 1, d[y]);
}
//cout << i << " : " << j << " = " << y << " : " << x << endl;
}
y = 0;
l = X;
r = X;
for (int i = n; i >= 1; i--)
{
if (a[i][j] == 0)
{
y = 0;
l = r = X;
}
else
{
y++;
if (a[i - 1][j] == 0)
Y = min(y, Y);
r = min(r, nxt[i][j]);
l = min(l, lst[i][j]);
d[y] = min(l + r - 1, d[y]);
}
//cout << i << " : " << j << " = " << y << " : " << x << endl;
}
}
for (int i = 1; i <= Y; i++)
{
//d[i + 1] = min(d[i + 1], d[i]);
//cout << i << " : " << d[i] << endl;
ans = max(ans, i * d[i]);
}
cout << ans << endl;
return 0;
}
/*
4 3
110
111
111
011
5 6
100000
111110
111110
111110
100000
6 5
00110
01110
11110
11011
11111
11111
9 9
000000000
000111000
000111000
011111110
011101110
011111110
000111000
000111000
000000000
9 9
000000000
000111000
000111000
011111110
011101110
011111110
000111000
000111000
000000000
6 6
000111
000111
001111
111100
111000
111000
6 6
000000
111000
111100
001111
000111
000111
6 6
000111
011111
011111
111000
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 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Correct |
2 ms |
504 KB |
Output is correct |
3 |
Correct |
33 ms |
30456 KB |
Output is correct |
4 |
Correct |
33 ms |
30456 KB |
Output is correct |
5 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
6 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
7 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
8 |
Incorrect |
2 ms |
632 KB |
Output isn't correct |
9 |
Incorrect |
2 ms |
632 KB |
Output isn't correct |
10 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
11 |
Incorrect |
2 ms |
636 KB |
Output isn't correct |
12 |
Correct |
2 ms |
504 KB |
Output is correct |
13 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
14 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
15 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
16 |
Incorrect |
2 ms |
632 KB |
Output isn't correct |
17 |
Incorrect |
3 ms |
1144 KB |
Output isn't correct |
18 |
Incorrect |
3 ms |
1272 KB |
Output isn't correct |
19 |
Incorrect |
3 ms |
1500 KB |
Output isn't correct |
20 |
Incorrect |
3 ms |
1656 KB |
Output isn't correct |
21 |
Incorrect |
3 ms |
1016 KB |
Output isn't correct |
22 |
Incorrect |
3 ms |
1400 KB |
Output isn't correct |
23 |
Incorrect |
3 ms |
1656 KB |
Output isn't correct |
24 |
Incorrect |
3 ms |
1400 KB |
Output isn't correct |
25 |
Incorrect |
3 ms |
1660 KB |
Output isn't correct |
26 |
Incorrect |
4 ms |
1656 KB |
Output isn't correct |
27 |
Incorrect |
12 ms |
4856 KB |
Output isn't correct |
28 |
Incorrect |
12 ms |
5112 KB |
Output isn't correct |
29 |
Incorrect |
15 ms |
6520 KB |
Output isn't correct |
30 |
Incorrect |
19 ms |
7672 KB |
Output isn't correct |
31 |
Incorrect |
15 ms |
6140 KB |
Output isn't correct |
32 |
Incorrect |
17 ms |
7004 KB |
Output isn't correct |
33 |
Incorrect |
21 ms |
8184 KB |
Output isn't correct |
34 |
Incorrect |
11 ms |
5624 KB |
Output isn't correct |
35 |
Incorrect |
20 ms |
8060 KB |
Output isn't correct |
36 |
Incorrect |
24 ms |
8184 KB |
Output isn't correct |
37 |
Incorrect |
2 ms |
636 KB |
Output isn't correct |
38 |
Incorrect |
840 ms |
74016 KB |
Output isn't correct |
39 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
40 |
Incorrect |
96 ms |
19832 KB |
Output isn't correct |
41 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
42 |
Incorrect |
3 ms |
1656 KB |
Output isn't correct |
43 |
Incorrect |
729 ms |
73944 KB |
Output isn't correct |
44 |
Incorrect |
26 ms |
8184 KB |
Output isn't correct |
45 |
Incorrect |
712 ms |
73964 KB |
Output isn't correct |
46 |
Incorrect |
668 ms |
73848 KB |
Output isn't correct |
47 |
Incorrect |
716 ms |
73980 KB |
Output isn't correct |
48 |
Incorrect |
682 ms |
73976 KB |
Output isn't correct |
49 |
Incorrect |
834 ms |
74056 KB |
Output isn't correct |
50 |
Incorrect |
701 ms |
74088 KB |
Output isn't correct |
51 |
Incorrect |
696 ms |
73964 KB |
Output isn't correct |
52 |
Incorrect |
692 ms |
73924 KB |
Output isn't correct |
53 |
Incorrect |
693 ms |
74060 KB |
Output isn't correct |
54 |
Incorrect |
598 ms |
73812 KB |
Output isn't correct |
55 |
Incorrect |
598 ms |
73988 KB |
Output isn't correct |
56 |
Incorrect |
824 ms |
73880 KB |
Output isn't correct |
57 |
Incorrect |
585 ms |
73960 KB |
Output isn't correct |
58 |
Incorrect |
593 ms |
74104 KB |
Output isn't correct |
59 |
Incorrect |
589 ms |
73912 KB |
Output isn't correct |
60 |
Incorrect |
675 ms |
73976 KB |
Output isn't correct |
61 |
Incorrect |
853 ms |
73976 KB |
Output isn't correct |
62 |
Incorrect |
835 ms |
73932 KB |
Output isn't correct |
63 |
Incorrect |
830 ms |
74020 KB |
Output isn't correct |
64 |
Incorrect |
590 ms |
73944 KB |
Output isn't correct |
65 |
Incorrect |
673 ms |
73976 KB |
Output isn't correct |
66 |
Incorrect |
678 ms |
73976 KB |
Output isn't correct |
67 |
Incorrect |
712 ms |
74008 KB |
Output isn't correct |
68 |
Incorrect |
733 ms |
74104 KB |
Output isn't correct |
69 |
Incorrect |
619 ms |
73976 KB |
Output isn't correct |
70 |
Incorrect |
338 ms |
59380 KB |
Output isn't correct |
71 |
Incorrect |
546 ms |
74104 KB |
Output isn't correct |
72 |
Incorrect |
577 ms |
73872 KB |
Output isn't correct |
73 |
Incorrect |
593 ms |
73848 KB |
Output isn't correct |
74 |
Incorrect |
583 ms |
73948 KB |
Output isn't correct |
75 |
Incorrect |
589 ms |
73900 KB |
Output isn't correct |
76 |
Incorrect |
600 ms |
74104 KB |
Output isn't correct |
77 |
Incorrect |
604 ms |
74008 KB |
Output isn't correct |
78 |
Incorrect |
599 ms |
73964 KB |
Output isn't correct |
79 |
Incorrect |
491 ms |
73948 KB |
Output isn't correct |
80 |
Incorrect |
485 ms |
73976 KB |
Output isn't correct |
81 |
Incorrect |
497 ms |
73848 KB |
Output isn't correct |
82 |
Incorrect |
608 ms |
73972 KB |
Output isn't correct |
83 |
Incorrect |
612 ms |
74036 KB |
Output isn't correct |
84 |
Incorrect |
492 ms |
73848 KB |
Output isn't correct |
85 |
Incorrect |
620 ms |
74004 KB |
Output isn't correct |
86 |
Incorrect |
797 ms |
73980 KB |
Output isn't correct |
87 |
Incorrect |
590 ms |
73964 KB |
Output isn't correct |
88 |
Incorrect |
609 ms |
74104 KB |
Output isn't correct |
89 |
Incorrect |
661 ms |
73916 KB |
Output isn't correct |
90 |
Incorrect |
371 ms |
59240 KB |
Output isn't correct |
91 |
Incorrect |
622 ms |
73976 KB |
Output isn't correct |
92 |
Incorrect |
663 ms |
74088 KB |
Output isn't correct |
93 |
Incorrect |
786 ms |
73952 KB |
Output isn't correct |
94 |
Incorrect |
660 ms |
74024 KB |
Output isn't correct |
95 |
Incorrect |
607 ms |
74104 KB |
Output isn't correct |
96 |
Incorrect |
604 ms |
73888 KB |
Output isn't correct |
97 |
Incorrect |
802 ms |
73976 KB |
Output isn't correct |
98 |
Incorrect |
625 ms |
73976 KB |
Output isn't correct |
99 |
Incorrect |
651 ms |
73976 KB |
Output isn't correct |
100 |
Incorrect |
783 ms |
74040 KB |
Output isn't correct |