#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], le[N][N];
int h[2505], w[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);
memset(w, 0x3f, sizeof w);
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){
int t = 0;
while(v.back().ff > up[i][j]){
v.back().ss += t;
t = v.back().ss;
v.pop_back();
h[max(up[i][j], v.back().ff) + 1] = min(h[max(up[i][j], v.back().ff) + 1], t);
}
if(v.back().ff == up[i][j]){
v.back().ss += 1 + t;
} else {
v.push_back({up[i][j], 1 + t});
}
}
}
int ans = 0;
for(int i = 1; i <= mx; ++i){
h[i] = min(h[i - 1], h[i]);
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 |
508 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 |
Correct |
2 ms |
504 KB |
Output is correct |
| 8 |
Correct |
2 ms |
504 KB |
Output is correct |
| 9 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
| 10 |
Correct |
2 ms |
508 KB |
Output is correct |
| 11 |
Correct |
2 ms |
504 KB |
Output is correct |
| 12 |
Correct |
2 ms |
576 KB |
Output is correct |
| 13 |
Correct |
2 ms |
504 KB |
Output is correct |
| 14 |
Correct |
2 ms |
504 KB |
Output is correct |
| 15 |
Correct |
2 ms |
508 KB |
Output is correct |
| 16 |
Correct |
2 ms |
504 KB |
Output is correct |
| 17 |
Incorrect |
2 ms |
888 KB |
Output isn't correct |
| 18 |
Correct |
3 ms |
1016 KB |
Output is correct |
| 19 |
Correct |
3 ms |
1272 KB |
Output is correct |
| 20 |
Incorrect |
3 ms |
1172 KB |
Output isn't correct |
| 21 |
Correct |
2 ms |
888 KB |
Output is correct |
| 22 |
Correct |
2 ms |
1016 KB |
Output is correct |
| 23 |
Incorrect |
3 ms |
1272 KB |
Output isn't correct |
| 24 |
Incorrect |
3 ms |
1016 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 |
Correct |
7 ms |
3448 KB |
Output is correct |
| 28 |
Correct |
7 ms |
3704 KB |
Output is correct |
| 29 |
Incorrect |
9 ms |
4600 KB |
Output isn't correct |
| 30 |
Incorrect |
11 ms |
5496 KB |
Output isn't correct |
| 31 |
Incorrect |
9 ms |
4344 KB |
Output isn't correct |
| 32 |
Incorrect |
9 ms |
4984 KB |
Output isn't correct |
| 33 |
Incorrect |
11 ms |
5800 KB |
Output isn't correct |
| 34 |
Correct |
6 ms |
3960 KB |
Output is correct |
| 35 |
Incorrect |
11 ms |
5752 KB |
Output isn't correct |
| 36 |
Incorrect |
10 ms |
5752 KB |
Output isn't correct |
| 37 |
Incorrect |
4 ms |
504 KB |
Output isn't correct |
| 38 |
Correct |
333 ms |
50552 KB |
Output is correct |
| 39 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
| 40 |
Incorrect |
36 ms |
13944 KB |
Output isn't correct |
| 41 |
Incorrect |
2 ms |
508 KB |
Output isn't correct |
| 42 |
Incorrect |
3 ms |
1272 KB |
Output isn't correct |
| 43 |
Correct |
344 ms |
50552 KB |
Output is correct |
| 44 |
Incorrect |
11 ms |
5752 KB |
Output isn't correct |
| 45 |
Incorrect |
350 ms |
50664 KB |
Output isn't correct |
| 46 |
Correct |
334 ms |
50556 KB |
Output is correct |
| 47 |
Incorrect |
349 ms |
50680 KB |
Output isn't correct |
| 48 |
Incorrect |
334 ms |
50544 KB |
Output isn't correct |
| 49 |
Correct |
335 ms |
50572 KB |
Output is correct |
| 50 |
Incorrect |
330 ms |
50552 KB |
Output isn't correct |
| 51 |
Incorrect |
335 ms |
50520 KB |
Output isn't correct |
| 52 |
Incorrect |
336 ms |
50692 KB |
Output isn't correct |
| 53 |
Incorrect |
330 ms |
50680 KB |
Output isn't correct |
| 54 |
Correct |
327 ms |
50596 KB |
Output is correct |
| 55 |
Correct |
324 ms |
50552 KB |
Output is correct |
| 56 |
Correct |
331 ms |
50680 KB |
Output is correct |
| 57 |
Correct |
330 ms |
50612 KB |
Output is correct |
| 58 |
Correct |
327 ms |
50584 KB |
Output is correct |
| 59 |
Correct |
326 ms |
50580 KB |
Output is correct |
| 60 |
Correct |
330 ms |
50500 KB |
Output is correct |
| 61 |
Correct |
338 ms |
50624 KB |
Output is correct |
| 62 |
Correct |
329 ms |
50572 KB |
Output is correct |
| 63 |
Correct |
330 ms |
50628 KB |
Output is correct |
| 64 |
Correct |
326 ms |
50552 KB |
Output is correct |
| 65 |
Incorrect |
329 ms |
50656 KB |
Output isn't correct |
| 66 |
Incorrect |
324 ms |
50552 KB |
Output isn't correct |
| 67 |
Incorrect |
340 ms |
50696 KB |
Output isn't correct |
| 68 |
Incorrect |
329 ms |
50680 KB |
Output isn't correct |
| 69 |
Correct |
328 ms |
50668 KB |
Output is correct |
| 70 |
Incorrect |
208 ms |
40568 KB |
Output isn't correct |
| 71 |
Incorrect |
344 ms |
50516 KB |
Output isn't correct |
| 72 |
Incorrect |
370 ms |
50680 KB |
Output isn't correct |
| 73 |
Incorrect |
327 ms |
50680 KB |
Output isn't correct |
| 74 |
Incorrect |
325 ms |
50680 KB |
Output isn't correct |
| 75 |
Incorrect |
332 ms |
50652 KB |
Output isn't correct |
| 76 |
Incorrect |
328 ms |
50532 KB |
Output isn't correct |
| 77 |
Incorrect |
327 ms |
50296 KB |
Output isn't correct |
| 78 |
Incorrect |
335 ms |
50424 KB |
Output isn't correct |
| 79 |
Incorrect |
322 ms |
50300 KB |
Output isn't correct |
| 80 |
Incorrect |
345 ms |
50296 KB |
Output isn't correct |
| 81 |
Incorrect |
323 ms |
50168 KB |
Output isn't correct |
| 82 |
Incorrect |
325 ms |
50340 KB |
Output isn't correct |
| 83 |
Incorrect |
326 ms |
50308 KB |
Output isn't correct |
| 84 |
Incorrect |
323 ms |
50296 KB |
Output isn't correct |
| 85 |
Incorrect |
325 ms |
50296 KB |
Output isn't correct |
| 86 |
Correct |
330 ms |
50296 KB |
Output is correct |
| 87 |
Correct |
333 ms |
50316 KB |
Output is correct |
| 88 |
Incorrect |
338 ms |
50296 KB |
Output isn't correct |
| 89 |
Incorrect |
332 ms |
50296 KB |
Output isn't correct |
| 90 |
Incorrect |
209 ms |
40316 KB |
Output isn't correct |
| 91 |
Incorrect |
331 ms |
50276 KB |
Output isn't correct |
| 92 |
Incorrect |
329 ms |
50292 KB |
Output isn't correct |
| 93 |
Incorrect |
335 ms |
50300 KB |
Output isn't correct |
| 94 |
Incorrect |
345 ms |
50168 KB |
Output isn't correct |
| 95 |
Incorrect |
324 ms |
50296 KB |
Output isn't correct |
| 96 |
Incorrect |
325 ms |
50224 KB |
Output isn't correct |
| 97 |
Incorrect |
330 ms |
50168 KB |
Output isn't correct |
| 98 |
Incorrect |
332 ms |
50272 KB |
Output isn't correct |
| 99 |
Incorrect |
329 ms |
50168 KB |
Output isn't correct |
| 100 |
Incorrect |
330 ms |
50424 KB |
Output isn't correct |
