#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ff first
#define ss second
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define INF 0x3f3f3f3f
#define MOD 1000000007
#define N 2505
int a[N][N];
int up[N][N];
int h[2505];
vector<pair<int, int> > v;
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
memset(h, 0x3f, sizeof h);
int n, m;
cin>>n>>m;
for(int i = 1; i <= n; ++i){
for(int j = 1; j <= m; ++j){
char c;
cin>>c;
a[i][j] = c - '0';
}
}
int mx= 2500;
for(int i = 1; i <= m; ++i){
for(int j = 1; j <= n; ++j){
if(a[j][i] == 0) up[j][i] = 0;
else up[j][i] = up[j - 1][i] + 1;
if(a[j + 1][i] == 0 && a[j][i] == 1)mx = min(mx, up[j][i]);
}
}
v.push_back({0, 0});
for(int i = 1; i <= n; ++i){
for(int j = 1; j <= m + 1; ++j){
while(v.back().ff > up[i][j]){
h[v.back().ff] = min(h[v.back().ff], v.back().ss);
int t = v.back().ss;
v.pop_back();
v.back().ss += t;
}
if(v.back().ff == up[i][j]){
++v.back().ss;
} else {
v.push_back({up[i][j], 1});
}
}
}
int ans = 0;
for(int i = 1; i <= mx; i++){
h[i] = min(h[i], h[i - 1]);
ans = max(ans, h[i] * i);
}
cout<<ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
504 KB |
Output is correct |
3 |
Correct |
17 ms |
20472 KB |
Output is correct |
4 |
Correct |
17 ms |
20472 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
8 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
9 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
10 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
11 |
Incorrect |
2 ms |
504 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 |
Correct |
2 ms |
508 KB |
Output is correct |
15 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
16 |
Correct |
2 ms |
504 KB |
Output is correct |
17 |
Incorrect |
3 ms |
1020 KB |
Output isn't correct |
18 |
Incorrect |
1 ms |
888 KB |
Output isn't correct |
19 |
Incorrect |
3 ms |
1144 KB |
Output isn't correct |
20 |
Incorrect |
3 ms |
1144 KB |
Output isn't correct |
21 |
Incorrect |
2 ms |
888 KB |
Output isn't correct |
22 |
Incorrect |
3 ms |
1016 KB |
Output isn't correct |
23 |
Incorrect |
3 ms |
1276 KB |
Output isn't correct |
24 |
Incorrect |
3 ms |
1144 KB |
Output isn't correct |
25 |
Incorrect |
3 ms |
1272 KB |
Output isn't correct |
26 |
Incorrect |
3 ms |
1272 KB |
Output isn't correct |
27 |
Incorrect |
6 ms |
3320 KB |
Output isn't correct |
28 |
Incorrect |
7 ms |
3576 KB |
Output isn't correct |
29 |
Incorrect |
8 ms |
4472 KB |
Output isn't correct |
30 |
Incorrect |
10 ms |
5340 KB |
Output isn't correct |
31 |
Incorrect |
8 ms |
4220 KB |
Output isn't correct |
32 |
Incorrect |
9 ms |
4856 KB |
Output isn't correct |
33 |
Incorrect |
10 ms |
5624 KB |
Output isn't correct |
34 |
Incorrect |
6 ms |
3832 KB |
Output isn't correct |
35 |
Incorrect |
11 ms |
5752 KB |
Output isn't correct |
36 |
Incorrect |
11 ms |
5624 KB |
Output isn't correct |
37 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
38 |
Correct |
328 ms |
49584 KB |
Output is correct |
39 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
40 |
Incorrect |
34 ms |
13432 KB |
Output isn't correct |
41 |
Correct |
2 ms |
504 KB |
Output is correct |
42 |
Correct |
3 ms |
1272 KB |
Output is correct |
43 |
Incorrect |
349 ms |
49628 KB |
Output isn't correct |
44 |
Correct |
11 ms |
5624 KB |
Output is correct |
45 |
Incorrect |
347 ms |
49528 KB |
Output isn't correct |
46 |
Correct |
334 ms |
49656 KB |
Output is correct |
47 |
Incorrect |
344 ms |
49504 KB |
Output isn't correct |
48 |
Incorrect |
334 ms |
49592 KB |
Output isn't correct |
49 |
Incorrect |
333 ms |
49532 KB |
Output isn't correct |
50 |
Incorrect |
338 ms |
49656 KB |
Output isn't correct |
51 |
Incorrect |
335 ms |
49500 KB |
Output isn't correct |
52 |
Incorrect |
338 ms |
49680 KB |
Output isn't correct |
53 |
Incorrect |
338 ms |
49592 KB |
Output isn't correct |
54 |
Incorrect |
329 ms |
49528 KB |
Output isn't correct |
55 |
Incorrect |
334 ms |
49684 KB |
Output isn't correct |
56 |
Correct |
340 ms |
49656 KB |
Output is correct |
57 |
Incorrect |
326 ms |
49528 KB |
Output isn't correct |
58 |
Incorrect |
330 ms |
49528 KB |
Output isn't correct |
59 |
Incorrect |
331 ms |
49656 KB |
Output isn't correct |
60 |
Incorrect |
327 ms |
49636 KB |
Output isn't correct |
61 |
Incorrect |
331 ms |
49624 KB |
Output isn't correct |
62 |
Incorrect |
328 ms |
49672 KB |
Output isn't correct |
63 |
Incorrect |
329 ms |
49528 KB |
Output isn't correct |
64 |
Incorrect |
343 ms |
49656 KB |
Output isn't correct |
65 |
Incorrect |
333 ms |
49496 KB |
Output isn't correct |
66 |
Incorrect |
328 ms |
49596 KB |
Output isn't correct |
67 |
Incorrect |
331 ms |
49528 KB |
Output isn't correct |
68 |
Incorrect |
332 ms |
49500 KB |
Output isn't correct |
69 |
Incorrect |
332 ms |
49552 KB |
Output isn't correct |
70 |
Incorrect |
209 ms |
39924 KB |
Output isn't correct |
71 |
Incorrect |
334 ms |
49688 KB |
Output isn't correct |
72 |
Incorrect |
335 ms |
49536 KB |
Output isn't correct |
73 |
Incorrect |
331 ms |
49608 KB |
Output isn't correct |
74 |
Incorrect |
397 ms |
49528 KB |
Output isn't correct |
75 |
Incorrect |
330 ms |
49612 KB |
Output isn't correct |
76 |
Incorrect |
329 ms |
49784 KB |
Output isn't correct |
77 |
Incorrect |
326 ms |
49528 KB |
Output isn't correct |
78 |
Incorrect |
330 ms |
49824 KB |
Output isn't correct |
79 |
Incorrect |
329 ms |
49528 KB |
Output isn't correct |
80 |
Incorrect |
334 ms |
49572 KB |
Output isn't correct |
81 |
Incorrect |
337 ms |
49648 KB |
Output isn't correct |
82 |
Incorrect |
336 ms |
49528 KB |
Output isn't correct |
83 |
Incorrect |
394 ms |
49492 KB |
Output isn't correct |
84 |
Incorrect |
335 ms |
49528 KB |
Output isn't correct |
85 |
Incorrect |
328 ms |
49788 KB |
Output isn't correct |
86 |
Incorrect |
338 ms |
49724 KB |
Output isn't correct |
87 |
Incorrect |
333 ms |
49660 KB |
Output isn't correct |
88 |
Incorrect |
334 ms |
49620 KB |
Output isn't correct |
89 |
Incorrect |
355 ms |
49784 KB |
Output isn't correct |
90 |
Incorrect |
208 ms |
39804 KB |
Output isn't correct |
91 |
Incorrect |
323 ms |
49528 KB |
Output isn't correct |
92 |
Incorrect |
325 ms |
49736 KB |
Output isn't correct |
93 |
Incorrect |
331 ms |
49592 KB |
Output isn't correct |
94 |
Incorrect |
329 ms |
49656 KB |
Output isn't correct |
95 |
Incorrect |
327 ms |
49548 KB |
Output isn't correct |
96 |
Incorrect |
324 ms |
49656 KB |
Output isn't correct |
97 |
Incorrect |
385 ms |
49636 KB |
Output isn't correct |
98 |
Incorrect |
328 ms |
49660 KB |
Output isn't correct |
99 |
Incorrect |
328 ms |
49656 KB |
Output isn't correct |
100 |
Incorrect |
327 ms |
49524 KB |
Output isn't correct |