| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 343853 |
2021-01-04T15:06:13 Z |
topovik |
Bomb (IZhO17_bomb) |
C++14 |
|
105 ms |
72044 KB |
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
#define in(x) freopen(x,"r",stdin)
#define out(x) freopen(x,"w",stdout)
#define f first
#define s second
#define pb push_back
#define INF 1000000000
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
const ll N = 3e3;
const ll oo = 1e10;
ll pr[N][N];
ll n, m;
ll sum(ll sx, ll sy, ll ex, ll ey)
{
return pr[ex][ey] - pr[sx - 1][ey] - pr[ex][sy - 1] + pr[sx - 1][sy - 1];
}
ll Check(ll width, ll x, ll y)
{
ll sy = y - width;
ll lx = 1, rx = x;
while (lx < rx)
{
ll mdl = (lx + rx) >> 1;
if (sum(mdl, sy, x, y) != (x - mdl + 1) * (width + 1)) lx = mdl + 1;
else rx = mdl;
}
ll sx = lx;
lx = x, rx = n;
while (lx < rx)
{
ll mdl = (lx + rx + 1) >> 1;
if (sum(x, sy, mdl, y) != (mdl - x + 1) * (width + 1)) rx = mdl - 1;
else lx = mdl;
}
ll ex = lx;
return ex - sx + 1;
}
int main()
{
ios_base::sync_with_stdio(0);
iostream::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> n >> m;
string a[n];
for (ll i = 0; i < n; i++) cin >> a[i];
for (ll i = 1; i <= n; i++)
for (ll j = 1; j <= m; j++) pr[i][j] = pr[i - 1][j] + pr[i][j - 1] - pr[i - 1][j - 1] + (a[i - 1][j - 1] == '1');
ll ansx = oo, ansy = oo;
for (ll i = 0; i < n; i++)
{
ll group = -oo;
if (a[i][0] == '1') group = 0;
for (ll j = 1; j < m; j++)
if (a[i][j] == '1')
{
if (a[i][j - 1] == '1') group++;
else group = 0;
}
else
{
if (group != -oo)
{
ll x = Check(group, i + 1, j);
ansx = min(ansx, group + 1);
ansy = min(ansy, x);
}
group = -oo;
}
if (group != -oo)
{
ll x = Check(group, i + 1, m);
ansx = min(ansx, group + 1);
ansy = min(ansy, x);
}
}
cout << ansx * ansy;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
8 ms |
10476 KB |
Output is correct |
| 4 |
Correct |
9 ms |
10476 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
| 9 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
| 10 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
| 11 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
| 16 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
| 17 |
Incorrect |
1 ms |
620 KB |
Output isn't correct |
| 18 |
Incorrect |
1 ms |
620 KB |
Output isn't correct |
| 19 |
Incorrect |
1 ms |
748 KB |
Output isn't correct |
| 20 |
Incorrect |
1 ms |
748 KB |
Output isn't correct |
| 21 |
Incorrect |
1 ms |
620 KB |
Output isn't correct |
| 22 |
Incorrect |
1 ms |
748 KB |
Output isn't correct |
| 23 |
Incorrect |
1 ms |
876 KB |
Output isn't correct |
| 24 |
Incorrect |
1 ms |
748 KB |
Output isn't correct |
| 25 |
Incorrect |
1 ms |
876 KB |
Output isn't correct |
| 26 |
Incorrect |
1 ms |
876 KB |
Output isn't correct |
| 27 |
Correct |
2 ms |
2284 KB |
Output is correct |
| 28 |
Incorrect |
3 ms |
2668 KB |
Output isn't correct |
| 29 |
Incorrect |
3 ms |
3180 KB |
Output isn't correct |
| 30 |
Incorrect |
4 ms |
3948 KB |
Output isn't correct |
| 31 |
Incorrect |
3 ms |
3180 KB |
Output isn't correct |
| 32 |
Incorrect |
4 ms |
3692 KB |
Output isn't correct |
| 33 |
Incorrect |
4 ms |
4224 KB |
Output isn't correct |
| 34 |
Incorrect |
2 ms |
2540 KB |
Output isn't correct |
| 35 |
Incorrect |
4 ms |
4204 KB |
Output isn't correct |
| 36 |
Incorrect |
4 ms |
4204 KB |
Output isn't correct |
| 37 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
| 38 |
Correct |
82 ms |
70744 KB |
Output is correct |
| 39 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
| 40 |
Incorrect |
12 ms |
11500 KB |
Output isn't correct |
| 41 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
| 42 |
Incorrect |
1 ms |
876 KB |
Output isn't correct |
| 43 |
Correct |
78 ms |
70580 KB |
Output is correct |
| 44 |
Incorrect |
4 ms |
4204 KB |
Output isn't correct |
| 45 |
Incorrect |
79 ms |
70636 KB |
Output isn't correct |
| 46 |
Correct |
105 ms |
70556 KB |
Output is correct |
| 47 |
Incorrect |
80 ms |
70764 KB |
Output isn't correct |
| 48 |
Incorrect |
81 ms |
70636 KB |
Output isn't correct |
| 49 |
Incorrect |
82 ms |
70764 KB |
Output isn't correct |
| 50 |
Incorrect |
82 ms |
71020 KB |
Output isn't correct |
| 51 |
Incorrect |
82 ms |
71532 KB |
Output isn't correct |
| 52 |
Incorrect |
82 ms |
71660 KB |
Output isn't correct |
| 53 |
Incorrect |
99 ms |
71788 KB |
Output isn't correct |
| 54 |
Incorrect |
81 ms |
71788 KB |
Output isn't correct |
| 55 |
Incorrect |
81 ms |
71788 KB |
Output isn't correct |
| 56 |
Correct |
97 ms |
71916 KB |
Output is correct |
| 57 |
Incorrect |
80 ms |
71788 KB |
Output isn't correct |
| 58 |
Incorrect |
80 ms |
71788 KB |
Output isn't correct |
| 59 |
Incorrect |
80 ms |
71776 KB |
Output isn't correct |
| 60 |
Correct |
82 ms |
71916 KB |
Output is correct |
| 61 |
Correct |
84 ms |
71788 KB |
Output is correct |
| 62 |
Correct |
83 ms |
71772 KB |
Output is correct |
| 63 |
Correct |
80 ms |
71916 KB |
Output is correct |
| 64 |
Correct |
81 ms |
71788 KB |
Output is correct |
| 65 |
Incorrect |
84 ms |
71788 KB |
Output isn't correct |
| 66 |
Incorrect |
79 ms |
71788 KB |
Output isn't correct |
| 67 |
Incorrect |
82 ms |
71788 KB |
Output isn't correct |
| 68 |
Incorrect |
80 ms |
71788 KB |
Output isn't correct |
| 69 |
Incorrect |
78 ms |
71916 KB |
Output isn't correct |
| 70 |
Incorrect |
52 ms |
47852 KB |
Output isn't correct |
| 71 |
Incorrect |
79 ms |
71788 KB |
Output isn't correct |
| 72 |
Incorrect |
77 ms |
71788 KB |
Output isn't correct |
| 73 |
Incorrect |
78 ms |
71916 KB |
Output isn't correct |
| 74 |
Incorrect |
78 ms |
71788 KB |
Output isn't correct |
| 75 |
Incorrect |
77 ms |
71788 KB |
Output isn't correct |
| 76 |
Incorrect |
77 ms |
71788 KB |
Output isn't correct |
| 77 |
Incorrect |
77 ms |
71788 KB |
Output isn't correct |
| 78 |
Incorrect |
79 ms |
71788 KB |
Output isn't correct |
| 79 |
Incorrect |
76 ms |
71916 KB |
Output isn't correct |
| 80 |
Incorrect |
78 ms |
71788 KB |
Output isn't correct |
| 81 |
Incorrect |
89 ms |
71788 KB |
Output isn't correct |
| 82 |
Incorrect |
77 ms |
71788 KB |
Output isn't correct |
| 83 |
Incorrect |
77 ms |
71788 KB |
Output isn't correct |
| 84 |
Incorrect |
78 ms |
72044 KB |
Output isn't correct |
| 85 |
Incorrect |
77 ms |
71788 KB |
Output isn't correct |
| 86 |
Incorrect |
78 ms |
71788 KB |
Output isn't correct |
| 87 |
Correct |
77 ms |
71660 KB |
Output is correct |
| 88 |
Incorrect |
79 ms |
71532 KB |
Output isn't correct |
| 89 |
Incorrect |
77 ms |
71660 KB |
Output isn't correct |
| 90 |
Incorrect |
51 ms |
47852 KB |
Output isn't correct |
| 91 |
Incorrect |
80 ms |
71276 KB |
Output isn't correct |
| 92 |
Incorrect |
78 ms |
71276 KB |
Output isn't correct |
| 93 |
Incorrect |
80 ms |
71276 KB |
Output isn't correct |
| 94 |
Incorrect |
80 ms |
71276 KB |
Output isn't correct |
| 95 |
Incorrect |
92 ms |
71276 KB |
Output isn't correct |
| 96 |
Incorrect |
79 ms |
71276 KB |
Output isn't correct |
| 97 |
Incorrect |
91 ms |
71276 KB |
Output isn't correct |
| 98 |
Incorrect |
79 ms |
71276 KB |
Output isn't correct |
| 99 |
Incorrect |
77 ms |
71276 KB |
Output isn't correct |
| 100 |
Incorrect |
77 ms |
71264 KB |
Output isn't correct |
