#include<bits/stdc++.h>
using namespace std;
// // PBDS Template
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
//
//template <class T>
//using ordered_set = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;
//using ordered_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag,tree_order_statistics_node_update>;
// Preset
const int maxn = 200000;
const int INF = INT_MAX;
const long long int LINF = LLONG_MAX;
const long long int mod = 1e9 + 7;
const long long int mod2 = 998244353;
//const double e = 2.71828;
const double PI = acos(-1);
const double eps = 1e-10;
#define pb push_back
#define ll long long
#define ull unsigned long long
typedef pair<char,char> pc;
typedef pair<double,double> pd;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef pair<pi,int> pii;
typedef pair<int,ll> pil;
typedef pair<ll,int> pli;
typedef pair<string,int> psi;
typedef pair<int,string> pis;
typedef pair<char,int> pci;
typedef pair<int,char> pic;
typedef pair<int,double> pid;
typedef pair<double,int> pdi;
int dr[4] = {0,1,0,-1}, dc[4] = {1,0,-1,0};
void solve() {
int n,m;
cin >> n >> m;
string s[n+5];
for (int i=0; i<n; i++) {
cin >> s[i];
}
int pr[m+5][n+5], pc[n+5][m+5];
int h=INF, w=INF;
for (int i=0; i<n; i++) {
pc[i][0] = (int)(s[i][0]-'0');
for (int j=1; j<m; j++) {
if (s[i][j]=='1') pc[i][j] = pc[i][j-1] + 1;
else {
if (pc[i][j-1]) w = min(w, pc[i][j-1]);
pc[i][j] = 0;
}
}
if (pc[i][m-1]) w = min(w, pc[i][m-1]);
}
if (w==INF) w = 0;
for (int i=0; i<m; i++) {
pr[i][0] = (int)(s[0][i]-'0');
for (int j=1; j<n; j++) {
if (s[j][i]=='1') pr[i][j] = pr[i][j-1] + 1;
else {
if (pr[i][j-1]) h = min(h, pr[i][j-1]);
pr[i][j] = 0;
}
}
if (pr[i][n-1]) h = min(h, pr[i][n-1]);
}
if (h==INF) h = 0;
// cout << endl;
// for (int i=0; i<n; i++) {
// for (int j=0; j<m; j++) cout << pc[i][j] << ' ';
// cout << endl;
// }
// cout << endl;
// for (int i=0; i<m; i++) {
// for (int j=0; j<n; j++) cout << pr[i][j] << ' ';
// cout << endl;
// }
ll ans = 1ll*h*w;
cout << ans << '\n';
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
// precompute();
// FFT::init_fft();
int tc=1;
// cin >> tc;
// getchar();
// int idx = 0;
while (tc--) solve();
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 |
0 ms |
468 KB |
Output is correct |
| 4 |
Correct |
1 ms |
512 KB |
Output is correct |
| 5 |
Correct |
0 ms |
340 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 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 |
212 KB |
Output isn't correct |
| 10 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 11 |
Incorrect |
0 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 |
0 ms |
284 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 |
340 KB |
Output isn't correct |
| 20 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
| 21 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 22 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
| 23 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
| 24 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
| 25 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 26 |
Correct |
0 ms |
340 KB |
Output is correct |
| 27 |
Correct |
1 ms |
980 KB |
Output is correct |
| 28 |
Incorrect |
1 ms |
1236 KB |
Output isn't correct |
| 29 |
Incorrect |
1 ms |
1364 KB |
Output isn't correct |
| 30 |
Incorrect |
2 ms |
2004 KB |
Output isn't correct |
| 31 |
Incorrect |
2 ms |
1620 KB |
Output isn't correct |
| 32 |
Incorrect |
1 ms |
1748 KB |
Output isn't correct |
| 33 |
Incorrect |
2 ms |
2132 KB |
Output isn't correct |
| 34 |
Incorrect |
1 ms |
980 KB |
Output isn't correct |
| 35 |
Incorrect |
2 ms |
2132 KB |
Output isn't correct |
| 36 |
Correct |
2 ms |
2132 KB |
Output is correct |
| 37 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 38 |
Correct |
46 ms |
56148 KB |
Output is correct |
| 39 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 40 |
Incorrect |
5 ms |
7252 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 |
46 ms |
56144 KB |
Output is correct |
| 44 |
Incorrect |
2 ms |
2132 KB |
Output isn't correct |
| 45 |
Incorrect |
45 ms |
56136 KB |
Output isn't correct |
| 46 |
Correct |
50 ms |
56044 KB |
Output is correct |
| 47 |
Incorrect |
45 ms |
56132 KB |
Output isn't correct |
| 48 |
Incorrect |
45 ms |
56048 KB |
Output isn't correct |
| 49 |
Correct |
46 ms |
56140 KB |
Output is correct |
| 50 |
Incorrect |
45 ms |
56152 KB |
Output isn't correct |
| 51 |
Incorrect |
46 ms |
56012 KB |
Output isn't correct |
| 52 |
Incorrect |
46 ms |
56016 KB |
Output isn't correct |
| 53 |
Incorrect |
46 ms |
56108 KB |
Output isn't correct |
| 54 |
Incorrect |
50 ms |
56256 KB |
Output isn't correct |
| 55 |
Incorrect |
46 ms |
56132 KB |
Output isn't correct |
| 56 |
Correct |
45 ms |
56132 KB |
Output is correct |
| 57 |
Incorrect |
48 ms |
56072 KB |
Output isn't correct |
| 58 |
Incorrect |
46 ms |
56144 KB |
Output isn't correct |
| 59 |
Incorrect |
45 ms |
56088 KB |
Output isn't correct |
| 60 |
Correct |
45 ms |
56148 KB |
Output is correct |
| 61 |
Correct |
46 ms |
56044 KB |
Output is correct |
| 62 |
Correct |
45 ms |
56148 KB |
Output is correct |
| 63 |
Correct |
47 ms |
56012 KB |
Output is correct |
| 64 |
Correct |
47 ms |
56144 KB |
Output is correct |
| 65 |
Incorrect |
46 ms |
56140 KB |
Output isn't correct |
| 66 |
Incorrect |
46 ms |
56164 KB |
Output isn't correct |
| 67 |
Incorrect |
46 ms |
56136 KB |
Output isn't correct |
| 68 |
Incorrect |
46 ms |
56140 KB |
Output isn't correct |
| 69 |
Incorrect |
45 ms |
56144 KB |
Output isn't correct |
| 70 |
Incorrect |
29 ms |
36024 KB |
Output isn't correct |
| 71 |
Incorrect |
45 ms |
56144 KB |
Output isn't correct |
| 72 |
Incorrect |
47 ms |
56148 KB |
Output isn't correct |
| 73 |
Incorrect |
48 ms |
56200 KB |
Output isn't correct |
| 74 |
Incorrect |
45 ms |
56012 KB |
Output isn't correct |
| 75 |
Incorrect |
47 ms |
56144 KB |
Output isn't correct |
| 76 |
Incorrect |
45 ms |
56060 KB |
Output isn't correct |
| 77 |
Incorrect |
47 ms |
56148 KB |
Output isn't correct |
| 78 |
Incorrect |
45 ms |
56064 KB |
Output isn't correct |
| 79 |
Incorrect |
45 ms |
56156 KB |
Output isn't correct |
| 80 |
Incorrect |
45 ms |
56140 KB |
Output isn't correct |
| 81 |
Incorrect |
46 ms |
56136 KB |
Output isn't correct |
| 82 |
Incorrect |
46 ms |
56076 KB |
Output isn't correct |
| 83 |
Incorrect |
45 ms |
56148 KB |
Output isn't correct |
| 84 |
Incorrect |
44 ms |
56144 KB |
Output isn't correct |
| 85 |
Incorrect |
46 ms |
56132 KB |
Output isn't correct |
| 86 |
Incorrect |
46 ms |
56040 KB |
Output isn't correct |
| 87 |
Incorrect |
46 ms |
56076 KB |
Output isn't correct |
| 88 |
Incorrect |
46 ms |
56128 KB |
Output isn't correct |
| 89 |
Incorrect |
45 ms |
56108 KB |
Output isn't correct |
| 90 |
Incorrect |
28 ms |
35968 KB |
Output isn't correct |
| 91 |
Incorrect |
45 ms |
56024 KB |
Output isn't correct |
| 92 |
Incorrect |
47 ms |
56148 KB |
Output isn't correct |
| 93 |
Incorrect |
46 ms |
56112 KB |
Output isn't correct |
| 94 |
Incorrect |
46 ms |
56132 KB |
Output isn't correct |
| 95 |
Incorrect |
50 ms |
56148 KB |
Output isn't correct |
| 96 |
Incorrect |
49 ms |
56040 KB |
Output isn't correct |
| 97 |
Incorrect |
48 ms |
56040 KB |
Output isn't correct |
| 98 |
Incorrect |
45 ms |
56148 KB |
Output isn't correct |
| 99 |
Incorrect |
45 ms |
56108 KB |
Output isn't correct |
| 100 |
Incorrect |
46 ms |
56112 KB |
Output isn't correct |
