#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define fr first
#define sc second
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define endl '\n'
#define sz(x) (int)((x).size())
#define vec vector
#define pw(x) (1ll << x)
using namespace std;
using namespace __gnu_pbds;
template <typename T> inline bool umin (T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; }
template <typename T> inline bool umax (T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; }
typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
const int inf = 1e9 + 17;
inline void solve () {
int n, m; cin >> n >> m;
vec <string> a (n);
for (auto &i : a) cin >> i;
vec <int> mx (m + 1, inf);
vec <vec <int>> p (n, vec <int> (m)), s (n, vec <int> (m));
for (int j = 0; j < n; ++j) {
p[0][j] = (a[0][j] == '1');
for (int i = 1; i < n; ++i) {
if (a[i][j] == '1') p[i][j] = p[i - 1][j] + 1;
}
s[n - 1][j] = (a[n - 1][j] == '1');
for (int i = n - 2; ~i; --i) {
if (a[i][j] == '1') s[i][j] = s[i + 1][j] + 1;
}
}
for (int i = 0; i < n; ++i) {
for (int j = 0; j < m; ++j) {
cout << p[i][j] << " ";
}
cout << endl;
}
cout << endl;
for (int i = 0; i < n; ++i) {
for (int j = 0; j < m; ++j) {
cout << s[i][j] << " ";
}
cout << endl;
}
for (int i = 0; i < n; ++i) {
for (int l = 0, r = 0; r < m; ) {
while (r < m && a[i][r] == '1') ++r;
if (l == r) {
++l, ++r;
continue;
}
int mn_down = inf, mn_up = inf;
for (int q = l; q < r; ++q) {
umin(mn_up, p[i][q]);
umin(mn_down, s[i][q]);
umin(mx[q - l + 1], mn_down + mn_up - 1);
}
umin(mx[r - l + 1], 0);
l = r;
}
}
int ans = 0;
for (int i = 1; i <= m; ++i) {
umin(mx[i], mx[i - 1]);
cerr << mx[i] << " " << i << endl;
umax(ans, mx[i] * i);
}
cout << ans << endl;
}
signed main () {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#ifdef LOCAL
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif// LOCAL
int t = 1; //cin >> t;
while (t--) solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Runtime error |
1 ms |
488 KB |
Execution killed with signal 6 |
3 |
Runtime error |
2 ms |
1108 KB |
Execution killed with signal 11 |
4 |
Runtime error |
2 ms |
1096 KB |
Execution killed with signal 11 |
5 |
Incorrect |
16 ms |
320 KB |
Output isn't correct |
6 |
Incorrect |
6 ms |
340 KB |
Output isn't correct |
7 |
Runtime error |
1 ms |
444 KB |
Execution killed with signal 6 |
8 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
9 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
10 |
Incorrect |
1 ms |
320 KB |
Output isn't correct |
11 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
12 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
13 |
Runtime error |
1 ms |
468 KB |
Execution killed with signal 6 |
14 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
15 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
16 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
17 |
Incorrect |
2 ms |
340 KB |
Output isn't correct |
18 |
Runtime error |
3 ms |
576 KB |
Execution killed with signal 6 |
19 |
Runtime error |
2 ms |
596 KB |
Execution killed with signal 6 |
20 |
Runtime error |
3 ms |
576 KB |
Execution killed with signal 6 |
21 |
Incorrect |
2 ms |
340 KB |
Output isn't correct |
22 |
Incorrect |
3 ms |
340 KB |
Output isn't correct |
23 |
Incorrect |
3 ms |
468 KB |
Output isn't correct |
24 |
Runtime error |
3 ms |
596 KB |
Execution killed with signal 6 |
25 |
Incorrect |
4 ms |
456 KB |
Output isn't correct |
26 |
Incorrect |
3 ms |
468 KB |
Output isn't correct |
27 |
Runtime error |
17 ms |
2552 KB |
Execution killed with signal 6 |
28 |
Incorrect |
17 ms |
1876 KB |
Output isn't correct |
29 |
Runtime error |
27 ms |
3700 KB |
Execution killed with signal 6 |
30 |
Incorrect |
32 ms |
3036 KB |
Output isn't correct |
31 |
Incorrect |
25 ms |
2388 KB |
Output isn't correct |
32 |
Runtime error |
25 ms |
4196 KB |
Execution killed with signal 6 |
33 |
Incorrect |
28 ms |
3224 KB |
Output isn't correct |
34 |
Runtime error |
14 ms |
2396 KB |
Execution killed with signal 6 |
35 |
Incorrect |
29 ms |
3084 KB |
Output isn't correct |
36 |
Incorrect |
32 ms |
3800 KB |
Output isn't correct |
37 |
Incorrect |
1 ms |
316 KB |
Output isn't correct |
38 |
Execution timed out |
1047 ms |
119624 KB |
Time limit exceeded |
39 |
Incorrect |
1 ms |
324 KB |
Output isn't correct |
40 |
Incorrect |
184 ms |
13768 KB |
Output isn't correct |
41 |
Incorrect |
1 ms |
320 KB |
Output isn't correct |
42 |
Incorrect |
3 ms |
452 KB |
Output isn't correct |
43 |
Execution timed out |
1022 ms |
107572 KB |
Time limit exceeded |
44 |
Incorrect |
35 ms |
3568 KB |
Output isn't correct |
45 |
Execution timed out |
1025 ms |
105392 KB |
Time limit exceeded |
46 |
Execution timed out |
1018 ms |
91412 KB |
Time limit exceeded |
47 |
Execution timed out |
1006 ms |
105444 KB |
Time limit exceeded |
48 |
Incorrect |
980 ms |
101852 KB |
Output isn't correct |
49 |
Execution timed out |
1027 ms |
114760 KB |
Time limit exceeded |
50 |
Incorrect |
945 ms |
103024 KB |
Output isn't correct |
51 |
Execution timed out |
1041 ms |
98584 KB |
Time limit exceeded |
52 |
Incorrect |
967 ms |
102344 KB |
Output isn't correct |
53 |
Incorrect |
919 ms |
102076 KB |
Output isn't correct |
54 |
Incorrect |
874 ms |
95076 KB |
Output isn't correct |
55 |
Incorrect |
867 ms |
94928 KB |
Output isn't correct |
56 |
Execution timed out |
1008 ms |
118936 KB |
Time limit exceeded |
57 |
Incorrect |
921 ms |
94672 KB |
Output isn't correct |
58 |
Incorrect |
879 ms |
95100 KB |
Output isn't correct |
59 |
Incorrect |
860 ms |
94492 KB |
Output isn't correct |
60 |
Incorrect |
890 ms |
102020 KB |
Output isn't correct |
61 |
Execution timed out |
1030 ms |
118740 KB |
Time limit exceeded |
62 |
Execution timed out |
1004 ms |
116964 KB |
Time limit exceeded |
63 |
Execution timed out |
1026 ms |
119464 KB |
Time limit exceeded |
64 |
Incorrect |
936 ms |
95360 KB |
Output isn't correct |
65 |
Incorrect |
987 ms |
101140 KB |
Output isn't correct |
66 |
Execution timed out |
1039 ms |
100452 KB |
Time limit exceeded |
67 |
Execution timed out |
1095 ms |
103112 KB |
Time limit exceeded |
68 |
Execution timed out |
1035 ms |
102028 KB |
Time limit exceeded |
69 |
Incorrect |
991 ms |
94660 KB |
Output isn't correct |
70 |
Incorrect |
542 ms |
57548 KB |
Output isn't correct |
71 |
Incorrect |
875 ms |
91068 KB |
Output isn't correct |
72 |
Incorrect |
907 ms |
93320 KB |
Output isn't correct |
73 |
Incorrect |
892 ms |
93932 KB |
Output isn't correct |
74 |
Incorrect |
927 ms |
93520 KB |
Output isn't correct |
75 |
Incorrect |
890 ms |
94172 KB |
Output isn't correct |
76 |
Incorrect |
899 ms |
94332 KB |
Output isn't correct |
77 |
Incorrect |
967 ms |
95044 KB |
Output isn't correct |
78 |
Incorrect |
942 ms |
88460 KB |
Output isn't correct |
79 |
Incorrect |
834 ms |
81308 KB |
Output isn't correct |
80 |
Incorrect |
873 ms |
81324 KB |
Output isn't correct |
81 |
Incorrect |
812 ms |
82064 KB |
Output isn't correct |
82 |
Incorrect |
994 ms |
89356 KB |
Output isn't correct |
83 |
Incorrect |
924 ms |
89192 KB |
Output isn't correct |
84 |
Incorrect |
867 ms |
81656 KB |
Output isn't correct |
85 |
Incorrect |
871 ms |
88592 KB |
Output isn't correct |
86 |
Incorrect |
992 ms |
109896 KB |
Output isn't correct |
87 |
Incorrect |
925 ms |
88296 KB |
Output isn't correct |
88 |
Incorrect |
890 ms |
89404 KB |
Output isn't correct |
89 |
Incorrect |
894 ms |
95484 KB |
Output isn't correct |
90 |
Incorrect |
531 ms |
56116 KB |
Output isn't correct |
91 |
Incorrect |
893 ms |
90988 KB |
Output isn't correct |
92 |
Incorrect |
909 ms |
94660 KB |
Output isn't correct |
93 |
Execution timed out |
1002 ms |
109060 KB |
Time limit exceeded |
94 |
Incorrect |
899 ms |
95332 KB |
Output isn't correct |
95 |
Incorrect |
895 ms |
89476 KB |
Output isn't correct |
96 |
Incorrect |
877 ms |
89084 KB |
Output isn't correct |
97 |
Execution timed out |
1006 ms |
109828 KB |
Time limit exceeded |
98 |
Incorrect |
871 ms |
89968 KB |
Output isn't correct |
99 |
Incorrect |
915 ms |
94620 KB |
Output isn't correct |
100 |
Incorrect |
985 ms |
108368 KB |
Output isn't correct |