#include <bits/stdc++.h>
using namespace std;
using ll = long long;
// using ld = long double;
#define all(x) begin(x), end(x)
#ifdef LOCAL
#define debug(...) __VA_ARGS__;
#else
#define debug(...)
#endif
template<class A, class B> ostream& operator<<(ostream& os, const pair<A, B> &p);
template<class T> ostream& operator<<(ostream& os, const vector<T> &v);
template<class T, size_t N> ostream& operator<<(ostream& os, const array<T, N> &v);
template<class A, class B>
ostream& operator<<(ostream& os, const pair<A, B> &p) {
return os << '(' << p.first << ',' << p.second << ')';
}
template<class T>
ostream& operator<<(ostream& os, const vector<T> &v) {
os << '{'; bool fs = 1;
for(auto &i : v) { if(!fs) os << ','; os << i; fs = 0; }
return os << '}';
}
template<class T, size_t N>
ostream& operator<<(ostream& os, const array<T, N> &v) {
os << '{'; bool fs = 1;
for(auto &i : v) { if(!fs) os << ','; os << i; fs = 0; }
return os << '}';
}
void init() {
}
void solve(int tt = 0) {
int n, m; cin >> n >> m;
vector a(n, vector<int>(m));
bool ok = 0;
for(auto &v : a) for(int &i : v) {
char c; cin >> c;
i = c - '0';
ok |= i;
}
if(!ok) return void(cout << 0 << '\n');
const int INF = 1e9;
int h = INF, w = INF;
{
vector b = a;
for(int i = 1; i < n; i++) {
for(int j = 0; j < m; j++) {
if(b[i][j] != 0) {
b[i][j] += b[i-1][j];
}
}
}
debug({
for(int i = 0; i < n; i++) {
for(int j = 0; j < m; j++)
cerr << b[i][j];
cerr << '\n';
}
});
for(int i = 0; i < n; i++) {
for(int j = 0; j < m; j++) if(b[i][j] != 0 && (i == n-1 || (i < n-1 && b[i+1][j] == 0))) {
h = min(h, b[i][j]);
}
}
}
{
vector b = a;
for(int j = 1; j < m; j++) {
for(int i = 0; i < n; i++) {
if(b[i][j] != 0) {
b[i][j] += b[i][j-1];
}
}
}
debug({
for(int i = 0; i < n; i++) {
for(int j = 0; j < m; j++)
cerr << b[i][j];
cerr << '\n';
}
});
for(int i = 0; i < n; i++) {
for(int j = 0; j < m; j++) if(b[i][j] != 0 && (j == m-1 || (j < m-1 && b[i][j+1] == 0))) {
w = min(w, b[i][j]);
}
}
}
if(h != INF && w != INF) cout << (ll)h * w << '\n';
else cout << 0 << '\n';
}
void reset() {
}
int main() {
ios::sync_with_stdio(0); cin.tie(0);
int t = 1; // cin >> t;
init();
for(int i = 1; i <= t; i++) solve(i), reset();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
468 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
9 |
Incorrect |
0 ms |
336 KB |
Output isn't correct |
10 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
11 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
12 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
19 |
Incorrect |
1 ms |
384 KB |
Output isn't correct |
20 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
21 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
22 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
23 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
24 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
25 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
2 ms |
916 KB |
Output is correct |
28 |
Incorrect |
2 ms |
1176 KB |
Output isn't correct |
29 |
Incorrect |
3 ms |
1248 KB |
Output isn't correct |
30 |
Incorrect |
3 ms |
1772 KB |
Output isn't correct |
31 |
Incorrect |
3 ms |
1492 KB |
Output isn't correct |
32 |
Incorrect |
3 ms |
1508 KB |
Output isn't correct |
33 |
Incorrect |
4 ms |
1876 KB |
Output isn't correct |
34 |
Incorrect |
2 ms |
980 KB |
Output isn't correct |
35 |
Incorrect |
3 ms |
1876 KB |
Output isn't correct |
36 |
Correct |
4 ms |
1876 KB |
Output is correct |
37 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
38 |
Correct |
130 ms |
49408 KB |
Output is correct |
39 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
40 |
Incorrect |
14 ms |
6344 KB |
Output isn't correct |
41 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
42 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
43 |
Correct |
132 ms |
49404 KB |
Output is correct |
44 |
Incorrect |
4 ms |
1876 KB |
Output isn't correct |
45 |
Incorrect |
145 ms |
49428 KB |
Output isn't correct |
46 |
Correct |
133 ms |
49376 KB |
Output is correct |
47 |
Incorrect |
146 ms |
49428 KB |
Output isn't correct |
48 |
Incorrect |
132 ms |
49428 KB |
Output isn't correct |
49 |
Correct |
137 ms |
49372 KB |
Output is correct |
50 |
Incorrect |
132 ms |
49388 KB |
Output isn't correct |
51 |
Incorrect |
132 ms |
49408 KB |
Output isn't correct |
52 |
Incorrect |
130 ms |
49388 KB |
Output isn't correct |
53 |
Incorrect |
131 ms |
49428 KB |
Output isn't correct |
54 |
Incorrect |
128 ms |
49420 KB |
Output isn't correct |
55 |
Incorrect |
130 ms |
49428 KB |
Output isn't correct |
56 |
Correct |
138 ms |
49392 KB |
Output is correct |
57 |
Incorrect |
132 ms |
49468 KB |
Output isn't correct |
58 |
Incorrect |
132 ms |
49404 KB |
Output isn't correct |
59 |
Incorrect |
128 ms |
49428 KB |
Output isn't correct |
60 |
Correct |
142 ms |
49428 KB |
Output is correct |
61 |
Correct |
141 ms |
49416 KB |
Output is correct |
62 |
Correct |
132 ms |
49428 KB |
Output is correct |
63 |
Correct |
132 ms |
49428 KB |
Output is correct |
64 |
Correct |
127 ms |
49400 KB |
Output is correct |
65 |
Incorrect |
138 ms |
49444 KB |
Output isn't correct |
66 |
Incorrect |
127 ms |
49420 KB |
Output isn't correct |
67 |
Incorrect |
134 ms |
49428 KB |
Output isn't correct |
68 |
Incorrect |
138 ms |
49420 KB |
Output isn't correct |
69 |
Incorrect |
131 ms |
49428 KB |
Output isn't correct |
70 |
Incorrect |
76 ms |
31708 KB |
Output isn't correct |
71 |
Incorrect |
128 ms |
49428 KB |
Output isn't correct |
72 |
Incorrect |
129 ms |
49392 KB |
Output isn't correct |
73 |
Incorrect |
134 ms |
49484 KB |
Output isn't correct |
74 |
Incorrect |
127 ms |
49428 KB |
Output isn't correct |
75 |
Incorrect |
129 ms |
49416 KB |
Output isn't correct |
76 |
Incorrect |
134 ms |
49420 KB |
Output isn't correct |
77 |
Incorrect |
129 ms |
49428 KB |
Output isn't correct |
78 |
Incorrect |
129 ms |
49428 KB |
Output isn't correct |
79 |
Incorrect |
129 ms |
49428 KB |
Output isn't correct |
80 |
Incorrect |
127 ms |
49428 KB |
Output isn't correct |
81 |
Incorrect |
129 ms |
49428 KB |
Output isn't correct |
82 |
Incorrect |
128 ms |
49428 KB |
Output isn't correct |
83 |
Incorrect |
135 ms |
49456 KB |
Output isn't correct |
84 |
Incorrect |
133 ms |
49428 KB |
Output isn't correct |
85 |
Incorrect |
126 ms |
49388 KB |
Output isn't correct |
86 |
Incorrect |
131 ms |
49416 KB |
Output isn't correct |
87 |
Incorrect |
127 ms |
49428 KB |
Output isn't correct |
88 |
Incorrect |
129 ms |
49388 KB |
Output isn't correct |
89 |
Incorrect |
129 ms |
49428 KB |
Output isn't correct |
90 |
Incorrect |
77 ms |
31744 KB |
Output isn't correct |
91 |
Incorrect |
128 ms |
49376 KB |
Output isn't correct |
92 |
Incorrect |
130 ms |
49388 KB |
Output isn't correct |
93 |
Incorrect |
132 ms |
49428 KB |
Output isn't correct |
94 |
Incorrect |
131 ms |
49428 KB |
Output isn't correct |
95 |
Incorrect |
128 ms |
49392 KB |
Output isn't correct |
96 |
Incorrect |
128 ms |
49388 KB |
Output isn't correct |
97 |
Incorrect |
132 ms |
49420 KB |
Output isn't correct |
98 |
Incorrect |
132 ms |
49420 KB |
Output isn't correct |
99 |
Incorrect |
129 ms |
49428 KB |
Output isn't correct |
100 |
Incorrect |
130 ms |
49388 KB |
Output isn't correct |