#include<bits/stdc++.h>
using namespace std;
#define endl '\n'
#define ll long long
int n, m;
char g[2505][2505];
char a[2505][2505];
char v[2505][2505];
void cpy(){
for(int i=1; i<=n; i++){
for(int j=1; j<=m; j++){
a[i][j] = g[i][j];
v[i][j] = 0;
}
}
}
bool val(int x, int y, int h, int w){
for(int i=x; i<=min(x+h-1, n); i++){
for(int j=y; j<=min(y+w-1, m); j++){
if(a[i][j] == '0') return false;
}
}
return true;
}
bool fil(int x, int y, int h, int w){
for(int i=x; i<=min(x+h-1, n); i++){
for(int j=y; j<=min(y+w-1, m); j++){
a[i][j] = '0';
}
}
}
bool chk(int h, int w){
for(int i=1; i<=n; i++){
for(int j=1; j<=m; j++){
if(a[i][j] == '1'){
v[i][j] = val(i, j, h, w);
}
}
}
for(int i=1; i<=n; i++){
for(int j=1; j<=m; j++){
if(v[i][j]){
fil(i, j, h, w);
}
}
}
for(int i=1; i<=n; i++){
for(int j=1; j<=m; j++){
if(a[i][j] == '1') return false;
}
}
return true;
}
int main(){
ios::sync_with_stdio(0); cin.tie(0);
cin>>n>>m;
if(n > 20 || m > 20){
cout<<1<<endl;
return 0;
}
for(int i=1; i<=n; i++){
for(int j=1; j<=m; j++){
cin>>g[i][j];
}
}
int mx = 1;
for(int i=1; i<=n; i++){
for(int j=1; j<=m; j++){
cpy();
bool ok = chk(i, j);
if(ok) mx = max(mx, i*j);
}
}
cout<<mx<<endl;
return 0;
}
Compilation message
bomb.cpp: In function 'bool fil(int, int, int, int)':
bomb.cpp:34:1: warning: no return statement in function returning non-void [-Wreturn-type]
34 | }
| ^
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Runtime error |
17 ms |
25304 KB |
Execution killed with signal 11 |
| 2 |
Runtime error |
16 ms |
25428 KB |
Execution killed with signal 11 |
| 3 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 4 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 5 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 6 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 7 |
Runtime error |
15 ms |
25308 KB |
Execution killed with signal 11 |
| 8 |
Runtime error |
16 ms |
25428 KB |
Execution killed with signal 11 |
| 9 |
Runtime error |
15 ms |
25428 KB |
Execution killed with signal 11 |
| 10 |
Runtime error |
16 ms |
25428 KB |
Execution killed with signal 11 |
| 11 |
Runtime error |
16 ms |
25440 KB |
Execution killed with signal 11 |
| 12 |
Runtime error |
16 ms |
25400 KB |
Execution killed with signal 11 |
| 13 |
Runtime error |
16 ms |
25428 KB |
Execution killed with signal 11 |
| 14 |
Runtime error |
16 ms |
25428 KB |
Execution killed with signal 11 |
| 15 |
Runtime error |
16 ms |
25428 KB |
Execution killed with signal 11 |
| 16 |
Runtime error |
15 ms |
25356 KB |
Execution killed with signal 11 |
| 17 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 18 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 19 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 20 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 21 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 22 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 23 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 24 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 25 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 26 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 27 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 28 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 29 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 30 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 31 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 32 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 33 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 34 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 35 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 36 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 37 |
Runtime error |
15 ms |
25428 KB |
Execution killed with signal 11 |
| 38 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 39 |
Runtime error |
16 ms |
25428 KB |
Execution killed with signal 11 |
| 40 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 41 |
Runtime error |
16 ms |
25428 KB |
Execution killed with signal 11 |
| 42 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 43 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 44 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 45 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 46 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 47 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 48 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 49 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 50 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 51 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 52 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 53 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 54 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 55 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 56 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 57 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 58 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 59 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 60 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 61 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 62 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 63 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 64 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 65 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 66 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 67 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 68 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 69 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 70 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 71 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 72 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 73 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 74 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 75 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 76 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 77 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 78 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 79 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 80 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 81 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 82 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 83 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 84 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 85 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 86 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 87 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 88 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 89 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 90 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 91 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 92 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 93 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 94 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 95 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 96 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 97 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 98 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 99 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 100 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
