#include <bits/stdc++.h>
#define ll long long int
using namespace std;
const int MAXN = 2500 + 10;
const int INF = INT_MAX;
const long long LINF = LLONG_MAX;
const int MOD = 1e9 + 7;
const int MOD2 = 998244353;
int a[MAXN][MAXN];
ll row[MAXN], column[MAXN];
void solv(){
int n, m;
cin >> n >> m;
for(int i = 0; i < n; i++){
string s;
cin >> s;
for(int j = 0; j < m; j++){
a[i][j] = (s[j] == '1' ? 1 : 0);
// a[i][j] = 1;
// cerr << a[i][j];
}
// cerr << endl;
}
ll mxrow = INF, mxcolumn = INF;
for(int i = 0; i < n; i++){
for(int j = 0; j < m; j++){
if(a[i][j] == 1){
row[i]++;
column[j]++;
}else{
if(row[i] != 0)mxrow = min(mxrow, row[i]);
if(column[j] != 0)mxcolumn = min(mxcolumn, column[j]);
row[i] = 0;
column[j] = 0;
}
}
if(row[i] != 0)mxrow = min(mxrow, row[i]);
}
for(int i = 0; i < m; i++){
if(column[i] != 0){
mxcolumn = min(mxcolumn, column[i]);
}
}
if(mxrow == INF && mxcolumn == INF){
cout << "-1" << endl;
return;
}
ll ans = mxrow * mxcolumn;
cout << ans << endl;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int tc = 1;
// cin >> tc;
while(tc--)solv();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
4 ms |
10324 KB |
Output is correct |
4 |
Correct |
4 ms |
10324 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
9 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
10 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
11 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
12 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
340 KB |
Output is correct |
15 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
596 KB |
Output is correct |
18 |
Incorrect |
1 ms |
596 KB |
Output isn't correct |
19 |
Incorrect |
1 ms |
724 KB |
Output isn't correct |
20 |
Incorrect |
1 ms |
724 KB |
Output isn't correct |
21 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
22 |
Incorrect |
0 ms |
596 KB |
Output isn't correct |
23 |
Incorrect |
1 ms |
724 KB |
Output isn't correct |
24 |
Incorrect |
1 ms |
596 KB |
Output isn't correct |
25 |
Incorrect |
1 ms |
724 KB |
Output isn't correct |
26 |
Correct |
1 ms |
724 KB |
Output is correct |
27 |
Correct |
1 ms |
1748 KB |
Output is correct |
28 |
Incorrect |
1 ms |
1876 KB |
Output isn't correct |
29 |
Incorrect |
1 ms |
2388 KB |
Output isn't correct |
30 |
Incorrect |
2 ms |
2772 KB |
Output isn't correct |
31 |
Incorrect |
1 ms |
2260 KB |
Output isn't correct |
32 |
Incorrect |
3 ms |
2516 KB |
Output isn't correct |
33 |
Incorrect |
2 ms |
2900 KB |
Output isn't correct |
34 |
Incorrect |
2 ms |
2024 KB |
Output isn't correct |
35 |
Incorrect |
3 ms |
2852 KB |
Output isn't correct |
36 |
Correct |
3 ms |
2932 KB |
Output is correct |
37 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
38 |
Correct |
35 ms |
24932 KB |
Output is correct |
39 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
40 |
Incorrect |
5 ms |
6868 KB |
Output isn't correct |
41 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
42 |
Incorrect |
0 ms |
724 KB |
Output isn't correct |
43 |
Correct |
39 ms |
24936 KB |
Output is correct |
44 |
Incorrect |
2 ms |
2900 KB |
Output isn't correct |
45 |
Incorrect |
26 ms |
24960 KB |
Output isn't correct |
46 |
Correct |
25 ms |
24956 KB |
Output is correct |
47 |
Incorrect |
25 ms |
24916 KB |
Output isn't correct |
48 |
Incorrect |
26 ms |
24864 KB |
Output isn't correct |
49 |
Correct |
36 ms |
24928 KB |
Output is correct |
50 |
Incorrect |
28 ms |
24932 KB |
Output isn't correct |
51 |
Incorrect |
27 ms |
24904 KB |
Output isn't correct |
52 |
Incorrect |
25 ms |
24936 KB |
Output isn't correct |
53 |
Incorrect |
26 ms |
24916 KB |
Output isn't correct |
54 |
Incorrect |
26 ms |
24920 KB |
Output isn't correct |
55 |
Incorrect |
26 ms |
24852 KB |
Output isn't correct |
56 |
Correct |
23 ms |
24852 KB |
Output is correct |
57 |
Incorrect |
27 ms |
24920 KB |
Output isn't correct |
58 |
Incorrect |
26 ms |
24916 KB |
Output isn't correct |
59 |
Incorrect |
27 ms |
24856 KB |
Output isn't correct |
60 |
Correct |
27 ms |
24948 KB |
Output is correct |
61 |
Correct |
25 ms |
24956 KB |
Output is correct |
62 |
Correct |
25 ms |
24836 KB |
Output is correct |
63 |
Correct |
24 ms |
24916 KB |
Output is correct |
64 |
Correct |
28 ms |
24944 KB |
Output is correct |
65 |
Incorrect |
27 ms |
24948 KB |
Output isn't correct |
66 |
Incorrect |
26 ms |
24960 KB |
Output isn't correct |
67 |
Incorrect |
25 ms |
24844 KB |
Output isn't correct |
68 |
Incorrect |
37 ms |
24916 KB |
Output isn't correct |
69 |
Incorrect |
26 ms |
24956 KB |
Output isn't correct |
70 |
Incorrect |
20 ms |
20032 KB |
Output isn't correct |
71 |
Incorrect |
28 ms |
24892 KB |
Output isn't correct |
72 |
Incorrect |
28 ms |
24876 KB |
Output isn't correct |
73 |
Incorrect |
27 ms |
24916 KB |
Output isn't correct |
74 |
Incorrect |
28 ms |
24876 KB |
Output isn't correct |
75 |
Incorrect |
25 ms |
24960 KB |
Output isn't correct |
76 |
Incorrect |
27 ms |
24892 KB |
Output isn't correct |
77 |
Incorrect |
27 ms |
24964 KB |
Output isn't correct |
78 |
Incorrect |
28 ms |
24952 KB |
Output isn't correct |
79 |
Incorrect |
31 ms |
24884 KB |
Output isn't correct |
80 |
Incorrect |
28 ms |
24916 KB |
Output isn't correct |
81 |
Incorrect |
28 ms |
24932 KB |
Output isn't correct |
82 |
Incorrect |
42 ms |
24860 KB |
Output isn't correct |
83 |
Incorrect |
27 ms |
24936 KB |
Output isn't correct |
84 |
Incorrect |
27 ms |
24956 KB |
Output isn't correct |
85 |
Incorrect |
28 ms |
24916 KB |
Output isn't correct |
86 |
Incorrect |
25 ms |
24892 KB |
Output isn't correct |
87 |
Incorrect |
27 ms |
24924 KB |
Output isn't correct |
88 |
Incorrect |
28 ms |
24948 KB |
Output isn't correct |
89 |
Incorrect |
35 ms |
24940 KB |
Output isn't correct |
90 |
Incorrect |
19 ms |
19972 KB |
Output isn't correct |
91 |
Incorrect |
26 ms |
24824 KB |
Output isn't correct |
92 |
Incorrect |
26 ms |
24884 KB |
Output isn't correct |
93 |
Incorrect |
25 ms |
24956 KB |
Output isn't correct |
94 |
Incorrect |
27 ms |
24944 KB |
Output isn't correct |
95 |
Incorrect |
42 ms |
24916 KB |
Output isn't correct |
96 |
Incorrect |
26 ms |
24928 KB |
Output isn't correct |
97 |
Incorrect |
39 ms |
24944 KB |
Output isn't correct |
98 |
Incorrect |
34 ms |
24888 KB |
Output isn't correct |
99 |
Incorrect |
42 ms |
24928 KB |
Output isn't correct |
100 |
Incorrect |
27 ms |
24884 KB |
Output isn't correct |