#include <bits/stdc++.h>
#define all(i) (i).begin(), (i).end()
#define debug(x) cerr << "Line(" << __LINE__ << ") -> " << #x << " is " << x << endl
using namespace std;
template<typename T1, typename T2>
ostream& operator << (ostream &i, pair<T1, T2> j) {
return i << j.first << ' ' << j.second;
}
template<typename T>
ostream& operator << (ostream &i, vector<T> j) {
i << '{' << j.size() << ':';
for (T ii : j) i << ' ' << ii;
return i << '}';
}
typedef long long ll;
typedef pair<int, int> pi;
int main() {
ios::sync_with_stdio(0), cin.tie(0);
int n, m;
cin >> n >> m;
vector<string> v(n + 2, string(m + 2, '0'));
for (int i = 1; i <= n; ++i) for (int j = 1; j <= m; ++j) cin >> v[i][j];
vector<vector<int>> h(n + 2, vector<int>(m + 2, 0)), w(n + 2, vector<int>(m + 2, 0));
int _h = n, _w = m;
for (int i = n; i; --i) for (int j = m; j; --j) if (v[i][j] == '1') {
h[i][j] = h[i + 1][j] + 1, w[i][j] = w[i][j + 1] + 1;
if (v[i - 1][j] == '0') _h = min(_h, h[i][j]);
if (v[i][j - 1] == '0') _w = min(_w, w[i][j]);
}
vector<int> lim(_h + 2, _w);
for (int i = 1; i <= n; ++i) {
pi pre(0, 0);
for (int j = 1; j <= m + 1; ++j) {
if (v[i - 1][j] == '0' && v[i][j - 1] == '0') {
pre = pi(j, h[i][j]);
continue;
}
if (h[i][j] >= pre.second) continue;
lim[h[i][j] + 1] = min(lim[h[i][j] + 1], j - pre.first);
pre.second = h[i][j];
}
}
int ans = 0;
for (int i = 1; i <= _h; ++i) lim[i] = min(lim[i], lim[i - 1]), ans = max(ans, i * lim[i]);
cout << ans;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
588 KB |
Output is correct |
| 4 |
Correct |
2 ms |
588 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 9 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 12 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
1 ms |
204 KB |
Output is correct |
| 15 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 16 |
Correct |
1 ms |
204 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 20 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 21 |
Correct |
1 ms |
332 KB |
Output is correct |
| 22 |
Correct |
1 ms |
332 KB |
Output is correct |
| 23 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 24 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 25 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 26 |
Correct |
1 ms |
332 KB |
Output is correct |
| 27 |
Runtime error |
3 ms |
972 KB |
Execution killed with signal 6 |
| 28 |
Incorrect |
3 ms |
1228 KB |
Output isn't correct |
| 29 |
Runtime error |
5 ms |
2756 KB |
Execution killed with signal 6 |
| 30 |
Incorrect |
5 ms |
2036 KB |
Output isn't correct |
| 31 |
Incorrect |
4 ms |
1612 KB |
Output isn't correct |
| 32 |
Incorrect |
4 ms |
1740 KB |
Output isn't correct |
| 33 |
Incorrect |
5 ms |
2124 KB |
Output isn't correct |
| 34 |
Runtime error |
4 ms |
1996 KB |
Execution killed with signal 6 |
| 35 |
Incorrect |
5 ms |
2072 KB |
Output isn't correct |
| 36 |
Correct |
6 ms |
2124 KB |
Output is correct |
| 37 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 38 |
Correct |
149 ms |
55808 KB |
Output is correct |
| 39 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 40 |
Incorrect |
19 ms |
7244 KB |
Output isn't correct |
| 41 |
Correct |
1 ms |
204 KB |
Output is correct |
| 42 |
Correct |
1 ms |
332 KB |
Output is correct |
| 43 |
Runtime error |
192 ms |
112652 KB |
Execution killed with signal 11 |
| 44 |
Correct |
6 ms |
2124 KB |
Output is correct |
| 45 |
Incorrect |
141 ms |
55684 KB |
Output isn't correct |
| 46 |
Correct |
144 ms |
55696 KB |
Output is correct |
| 47 |
Incorrect |
142 ms |
55692 KB |
Output isn't correct |
| 48 |
Runtime error |
199 ms |
112764 KB |
Execution killed with signal 6 |
| 49 |
Correct |
151 ms |
55676 KB |
Output is correct |
| 50 |
Runtime error |
204 ms |
112768 KB |
Execution killed with signal 6 |
| 51 |
Runtime error |
202 ms |
112708 KB |
Execution killed with signal 6 |
| 52 |
Runtime error |
197 ms |
112636 KB |
Execution killed with signal 11 |
| 53 |
Runtime error |
201 ms |
112836 KB |
Execution killed with signal 6 |
| 54 |
Runtime error |
194 ms |
112780 KB |
Execution killed with signal 6 |
| 55 |
Runtime error |
194 ms |
112788 KB |
Execution killed with signal 6 |
| 56 |
Correct |
152 ms |
55688 KB |
Output is correct |
| 57 |
Runtime error |
192 ms |
112788 KB |
Execution killed with signal 6 |
| 58 |
Runtime error |
193 ms |
112772 KB |
Execution killed with signal 6 |
| 59 |
Runtime error |
194 ms |
112708 KB |
Execution killed with signal 6 |
| 60 |
Correct |
141 ms |
55696 KB |
Output is correct |
| 61 |
Correct |
149 ms |
55624 KB |
Output is correct |
| 62 |
Correct |
148 ms |
55596 KB |
Output is correct |
| 63 |
Correct |
151 ms |
55752 KB |
Output is correct |
| 64 |
Correct |
133 ms |
55680 KB |
Output is correct |
| 65 |
Runtime error |
201 ms |
112776 KB |
Execution killed with signal 6 |
| 66 |
Incorrect |
139 ms |
55692 KB |
Output isn't correct |
| 67 |
Runtime error |
202 ms |
112836 KB |
Execution killed with signal 6 |
| 68 |
Runtime error |
200 ms |
112780 KB |
Execution killed with signal 6 |
| 69 |
Runtime error |
193 ms |
112708 KB |
Execution killed with signal 6 |
| 70 |
Incorrect |
86 ms |
35936 KB |
Output isn't correct |
| 71 |
Incorrect |
130 ms |
55620 KB |
Output isn't correct |
| 72 |
Incorrect |
135 ms |
55688 KB |
Output isn't correct |
| 73 |
Incorrect |
133 ms |
55680 KB |
Output isn't correct |
| 74 |
Incorrect |
135 ms |
55748 KB |
Output isn't correct |
| 75 |
Incorrect |
134 ms |
55692 KB |
Output isn't correct |
| 76 |
Incorrect |
136 ms |
55688 KB |
Output isn't correct |
| 77 |
Incorrect |
135 ms |
55684 KB |
Output isn't correct |
| 78 |
Incorrect |
137 ms |
55748 KB |
Output isn't correct |
| 79 |
Incorrect |
126 ms |
55620 KB |
Output isn't correct |
| 80 |
Incorrect |
129 ms |
55696 KB |
Output isn't correct |
| 81 |
Incorrect |
127 ms |
55700 KB |
Output isn't correct |
| 82 |
Incorrect |
138 ms |
55748 KB |
Output isn't correct |
| 83 |
Incorrect |
135 ms |
55680 KB |
Output isn't correct |
| 84 |
Incorrect |
126 ms |
55680 KB |
Output isn't correct |
| 85 |
Incorrect |
133 ms |
55624 KB |
Output isn't correct |
| 86 |
Incorrect |
146 ms |
55692 KB |
Output isn't correct |
| 87 |
Incorrect |
133 ms |
55684 KB |
Output isn't correct |
| 88 |
Incorrect |
136 ms |
55620 KB |
Output isn't correct |
| 89 |
Incorrect |
138 ms |
55648 KB |
Output isn't correct |
| 90 |
Incorrect |
88 ms |
35864 KB |
Output isn't correct |
| 91 |
Incorrect |
157 ms |
55684 KB |
Output isn't correct |
| 92 |
Incorrect |
138 ms |
55680 KB |
Output isn't correct |
| 93 |
Incorrect |
146 ms |
55676 KB |
Output isn't correct |
| 94 |
Incorrect |
138 ms |
55688 KB |
Output isn't correct |
| 95 |
Incorrect |
135 ms |
55748 KB |
Output isn't correct |
| 96 |
Incorrect |
137 ms |
55748 KB |
Output isn't correct |
| 97 |
Incorrect |
146 ms |
55692 KB |
Output isn't correct |
| 98 |
Incorrect |
135 ms |
55676 KB |
Output isn't correct |
| 99 |
Incorrect |
144 ms |
55620 KB |
Output isn't correct |
| 100 |
Incorrect |
148 ms |
55688 KB |
Output isn't correct |
