#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define fi first
#define se second
const ll N = 2600;
ll n,m;
char a[N][N];
ll mins,temp,mins1;
void sub1() {
if(n == 1) {
mins = 1e9;
if(a[1][1] == '1') temp++;
for(int i=2; i<=m; i++) {
if(a[1][i] == a[1][i-1] && a[1][i] == '1') {
temp++;
}
else {
if(temp != 0)mins = min(mins,temp);
if(a[1][i] == '0') temp = 0;
else temp = 1;
}
}
if(temp != 0)mins = min(mins,temp);
cout << mins << endl;
}
else if(m == 1) {
mins = 1e9;
if(a[1][1] == '1') temp++;
for(int i=2; i<=n; i++) {
if(a[i][1] == a[i-1][1] && a[i][1] == '1') {
temp++;
}
else {
if(temp != 0)mins = min(mins,temp);
if(a[i][1] == '0') temp = 0;
else temp = 1;
}
}
if(temp != 0)mins = min(mins,temp);
cout << mins << endl;
}
}
int main() {
cin >> n >> m;
for(int i=1; i<=n; i++) {
for(int j=1; j<=m; j++) {
cin >> a[i][j];
}
}
if(n == 1 || m == 1) {
sub1();
return 0;
}
mins = 1e9;
mins1 = 1e9;
for(int i=1; i<=n; i++) {
temp = 0;
if(a[i][1] == '1') temp++;
for(int j=2; j<=m; j++) {
if(a[i][j] == a[i][j-1] && a[i][j] == '1') {
temp++;
}
else {
// cout << "i " << i << " " << temp << endl;
if(temp != 0)mins = min(mins,temp);
if(a[i][j] == '0') temp = 0;
else temp = 1;
}
}
if(temp != 0)mins = min(mins,temp);
}
if(temp != 0)mins = min(mins,temp);
// cout << "temp " << mins << endl;
temp = 0;
for(int i=1; i<=m; i++) {
temp = 0;
if(a[1][i] == '1') temp++;
for(int j=2; j<=n; j++) {
if(a[j][i] == a[j-1][i] && a[j][i] == '1') {
temp++;
}
else {
// cout << "i " << i << " " << temp << endl;
if(temp != 0)mins1 = min(mins1,temp);
if(a[j][i] == '0') temp = 0;
else temp = 1;
}
}
if(temp != 0)mins = min(mins,temp);
}
if(temp != 0)mins1 = min(mins1,temp);
// cout << mins << " " << mins1 << endl;
cout << mins * mins1 << endl;
}
/*
10 1
0
0
0
1
1
0
0
1
1
1
1 9
011111011
5 6
001000
111110
111110
011110
000100
5 6
111000
111000
111000
111111
011111
5 6
001100
001100
000111
000111
000111
5 1
1
1
0
1
0
*/
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
2 ms |
6612 KB |
Output is correct |
| 4 |
Correct |
2 ms |
6612 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
| 9 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
| 10 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
| 11 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
| 12 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
| 13 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
| 14 |
Correct |
0 ms |
340 KB |
Output is correct |
| 15 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
| 16 |
Correct |
0 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
468 KB |
Output is correct |
| 18 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
| 19 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
| 20 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
| 21 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 22 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
| 23 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
| 24 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
| 25 |
Incorrect |
1 ms |
464 KB |
Output isn't correct |
| 26 |
Correct |
1 ms |
468 KB |
Output is correct |
| 27 |
Incorrect |
3 ms |
980 KB |
Output isn't correct |
| 28 |
Incorrect |
4 ms |
980 KB |
Output isn't correct |
| 29 |
Incorrect |
5 ms |
1236 KB |
Output isn't correct |
| 30 |
Incorrect |
7 ms |
1364 KB |
Output isn't correct |
| 31 |
Incorrect |
6 ms |
1108 KB |
Output isn't correct |
| 32 |
Incorrect |
6 ms |
1236 KB |
Output isn't correct |
| 33 |
Incorrect |
7 ms |
1380 KB |
Output isn't correct |
| 34 |
Incorrect |
3 ms |
1220 KB |
Output isn't correct |
| 35 |
Incorrect |
8 ms |
1364 KB |
Output isn't correct |
| 36 |
Correct |
8 ms |
1364 KB |
Output is correct |
| 37 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
| 38 |
Correct |
205 ms |
6532 KB |
Output is correct |
| 39 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
| 40 |
Incorrect |
27 ms |
2468 KB |
Output isn't correct |
| 41 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
| 42 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
| 43 |
Correct |
210 ms |
6544 KB |
Output is correct |
| 44 |
Incorrect |
7 ms |
1364 KB |
Output isn't correct |
| 45 |
Incorrect |
209 ms |
6600 KB |
Output isn't correct |
| 46 |
Correct |
213 ms |
6588 KB |
Output is correct |
| 47 |
Incorrect |
208 ms |
6688 KB |
Output isn't correct |
| 48 |
Incorrect |
207 ms |
6536 KB |
Output isn't correct |
| 49 |
Correct |
224 ms |
6680 KB |
Output is correct |
| 50 |
Incorrect |
206 ms |
6536 KB |
Output isn't correct |
| 51 |
Incorrect |
206 ms |
6560 KB |
Output isn't correct |
| 52 |
Incorrect |
209 ms |
6652 KB |
Output isn't correct |
| 53 |
Incorrect |
214 ms |
6580 KB |
Output isn't correct |
| 54 |
Incorrect |
208 ms |
6644 KB |
Output isn't correct |
| 55 |
Incorrect |
208 ms |
6640 KB |
Output isn't correct |
| 56 |
Incorrect |
205 ms |
6640 KB |
Output isn't correct |
| 57 |
Incorrect |
214 ms |
6580 KB |
Output isn't correct |
| 58 |
Incorrect |
208 ms |
6576 KB |
Output isn't correct |
| 59 |
Incorrect |
211 ms |
6644 KB |
Output isn't correct |
| 60 |
Correct |
213 ms |
6540 KB |
Output is correct |
| 61 |
Incorrect |
220 ms |
6620 KB |
Output isn't correct |
| 62 |
Correct |
212 ms |
6720 KB |
Output is correct |
| 63 |
Correct |
204 ms |
6544 KB |
Output is correct |
| 64 |
Correct |
207 ms |
6536 KB |
Output is correct |
| 65 |
Incorrect |
213 ms |
6688 KB |
Output isn't correct |
| 66 |
Incorrect |
209 ms |
6564 KB |
Output isn't correct |
| 67 |
Incorrect |
217 ms |
6604 KB |
Output isn't correct |
| 68 |
Incorrect |
207 ms |
6636 KB |
Output isn't correct |
| 69 |
Incorrect |
243 ms |
6648 KB |
Output isn't correct |
| 70 |
Incorrect |
134 ms |
5380 KB |
Output isn't correct |
| 71 |
Incorrect |
208 ms |
6556 KB |
Output isn't correct |
| 72 |
Incorrect |
216 ms |
6624 KB |
Output isn't correct |
| 73 |
Incorrect |
212 ms |
6652 KB |
Output isn't correct |
| 74 |
Incorrect |
212 ms |
6620 KB |
Output isn't correct |
| 75 |
Incorrect |
229 ms |
6664 KB |
Output isn't correct |
| 76 |
Incorrect |
211 ms |
6728 KB |
Output isn't correct |
| 77 |
Incorrect |
213 ms |
6604 KB |
Output isn't correct |
| 78 |
Incorrect |
213 ms |
6652 KB |
Output isn't correct |
| 79 |
Incorrect |
211 ms |
6532 KB |
Output isn't correct |
| 80 |
Incorrect |
210 ms |
6544 KB |
Output isn't correct |
| 81 |
Incorrect |
215 ms |
6632 KB |
Output isn't correct |
| 82 |
Incorrect |
210 ms |
6584 KB |
Output isn't correct |
| 83 |
Incorrect |
209 ms |
6532 KB |
Output isn't correct |
| 84 |
Incorrect |
219 ms |
6572 KB |
Output isn't correct |
| 85 |
Incorrect |
214 ms |
6652 KB |
Output isn't correct |
| 86 |
Incorrect |
205 ms |
6632 KB |
Output isn't correct |
| 87 |
Incorrect |
208 ms |
6604 KB |
Output isn't correct |
| 88 |
Incorrect |
210 ms |
6612 KB |
Output isn't correct |
| 89 |
Incorrect |
206 ms |
6604 KB |
Output isn't correct |
| 90 |
Incorrect |
133 ms |
5388 KB |
Output isn't correct |
| 91 |
Incorrect |
214 ms |
6776 KB |
Output isn't correct |
| 92 |
Incorrect |
207 ms |
6592 KB |
Output isn't correct |
| 93 |
Incorrect |
204 ms |
6588 KB |
Output isn't correct |
| 94 |
Incorrect |
206 ms |
6624 KB |
Output isn't correct |
| 95 |
Incorrect |
208 ms |
6604 KB |
Output isn't correct |
| 96 |
Incorrect |
209 ms |
6628 KB |
Output isn't correct |
| 97 |
Incorrect |
206 ms |
6564 KB |
Output isn't correct |
| 98 |
Incorrect |
218 ms |
6560 KB |
Output isn't correct |
| 99 |
Incorrect |
216 ms |
6596 KB |
Output isn't correct |
| 100 |
Incorrect |
209 ms |
6648 KB |
Output isn't correct |
