| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 885315 |
2023-12-09T12:54:56 Z |
alexdd |
Bomb (IZhO17_bomb) |
C++17 |
|
337 ms |
55636 KB |
#include<iostream>
using namespace std;
int n,m;
char mat[2505][2505];
int sump[2505][2505];
int mars[2505][2505];
bool verif(int cntx, int cnty)
{
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++)
mars[i][j]=0;
for(int i=1;i+cntx-1<=n;i++)
{
for(int j=1;j+cnty-1<=m;j++)
{
if(sump[i+cntx-1][j+cnty-1] - sump[i+cntx-1][j-1] - sump[i-1][j+cnty-1] + sump[i-1][j-1] == cntx*cnty)///toate is 1
{
mars[i][j]++;
mars[i][j+cnty]--;
mars[i+cntx][j]--;
mars[i+cntx][j+cnty]++;
}
}
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
mars[i][j] += mars[i-1][j] + mars[i][j-1] - mars[i-1][j-1];
if(mars[i][j]==0 && mat[i][j]=='1')
return 0;
}
}
return 1;
}
signed main()
{
cin>>n>>m;
int minx=n,miny=m;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
cin>>mat[i][j];
sump[i][j] = sump[i-1][j] + sump[i][j-1] - sump[i-1][j-1];
if(mat[i][j]=='1')
sump[i][j]++;
}
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
if(mat[i][j]=='1' && (j==m || mat[i][j+1]=='0'))
{
int cnt=0;
for(int u=j;u>0;u--)
{
if(mat[i][u]=='0')
break;
cnt++;
}
miny = min(miny, cnt);
}
}
}
for(int i=1;i<=m;i++)
{
for(int j=1;j<=n;j++)
{
if(mat[j][i]=='1' && (j==n || mat[j+1][i]=='0'))
{
int cnt=0;
for(int u=j;u>0;u--)
{
if(mat[u][i]=='0')
break;
cnt++;
}
minx = min(minx, cnt);
}
}
}
if(1LL*minx * miny * n * m > 200000000)
{
cout<<minx*miny;
return 0;
}
//minx=n;miny=m;
int poz=0, mxm=0;
for(int i=minx;i>0;i--)
{
if(i*miny <= mxm)
break;
while(poz+1<=miny && verif(i,poz+1))
{
poz++;
}
mxm = max(mxm, i*poz);
}
cout<<mxm;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 3 |
Correct |
11 ms |
40796 KB |
Output is correct |
| 4 |
Correct |
10 ms |
40868 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 8 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 9 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 16 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 17 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 18 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4956 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 21 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 22 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 23 |
Correct |
3 ms |
4956 KB |
Output is correct |
| 24 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 25 |
Correct |
3 ms |
4956 KB |
Output is correct |
| 26 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 27 |
Correct |
6 ms |
10076 KB |
Output is correct |
| 28 |
Correct |
9 ms |
10332 KB |
Output is correct |
| 29 |
Incorrect |
6 ms |
6492 KB |
Output isn't correct |
| 30 |
Incorrect |
8 ms |
7004 KB |
Output isn't correct |
| 31 |
Incorrect |
7 ms |
6236 KB |
Output isn't correct |
| 32 |
Incorrect |
7 ms |
6748 KB |
Output isn't correct |
| 33 |
Incorrect |
9 ms |
7108 KB |
Output isn't correct |
| 34 |
Correct |
9 ms |
10332 KB |
Output is correct |
| 35 |
Incorrect |
8 ms |
7000 KB |
Output isn't correct |
| 36 |
Correct |
9 ms |
7040 KB |
Output is correct |
| 37 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 38 |
Correct |
222 ms |
31060 KB |
Output is correct |
| 39 |
Correct |
1 ms |
4696 KB |
Output is correct |
| 40 |
Incorrect |
36 ms |
11860 KB |
Output isn't correct |
| 41 |
Correct |
1 ms |
4696 KB |
Output is correct |
| 42 |
Correct |
3 ms |
4956 KB |
Output is correct |
| 43 |
Correct |
222 ms |
30900 KB |
Output is correct |
| 44 |
Incorrect |
14 ms |
7004 KB |
Output isn't correct |
| 45 |
Incorrect |
230 ms |
31240 KB |
Output isn't correct |
| 46 |
Correct |
226 ms |
31056 KB |
Output is correct |
| 47 |
Incorrect |
229 ms |
31056 KB |
Output isn't correct |
| 48 |
Incorrect |
232 ms |
31056 KB |
Output isn't correct |
| 49 |
Correct |
337 ms |
55636 KB |
Output is correct |
| 50 |
Incorrect |
231 ms |
31060 KB |
Output isn't correct |
| 51 |
Incorrect |
220 ms |
30960 KB |
Output isn't correct |
| 52 |
Incorrect |
217 ms |
31064 KB |
Output isn't correct |
| 53 |
Incorrect |
221 ms |
30916 KB |
Output isn't correct |
| 54 |
Incorrect |
210 ms |
31056 KB |
Output isn't correct |
| 55 |
Incorrect |
214 ms |
31060 KB |
Output isn't correct |
| 56 |
Correct |
228 ms |
30884 KB |
Output is correct |
| 57 |
Incorrect |
216 ms |
31060 KB |
Output isn't correct |
| 58 |
Incorrect |
210 ms |
30980 KB |
Output isn't correct |
| 59 |
Incorrect |
217 ms |
31228 KB |
Output isn't correct |
| 60 |
Correct |
213 ms |
30900 KB |
Output is correct |
| 61 |
Correct |
218 ms |
30952 KB |
Output is correct |
| 62 |
Correct |
222 ms |
30884 KB |
Output is correct |
| 63 |
Correct |
217 ms |
31056 KB |
Output is correct |
| 64 |
Correct |
208 ms |
30892 KB |
Output is correct |
| 65 |
Incorrect |
217 ms |
31108 KB |
Output isn't correct |
| 66 |
Incorrect |
213 ms |
31060 KB |
Output isn't correct |
| 67 |
Incorrect |
220 ms |
31056 KB |
Output isn't correct |
| 68 |
Incorrect |
218 ms |
31312 KB |
Output isn't correct |
| 69 |
Incorrect |
214 ms |
30888 KB |
Output isn't correct |
| 70 |
Incorrect |
135 ms |
26452 KB |
Output isn't correct |
| 71 |
Incorrect |
234 ms |
31076 KB |
Output isn't correct |
| 72 |
Incorrect |
209 ms |
31056 KB |
Output isn't correct |
| 73 |
Incorrect |
211 ms |
30884 KB |
Output isn't correct |
| 74 |
Incorrect |
209 ms |
31100 KB |
Output isn't correct |
| 75 |
Incorrect |
217 ms |
30888 KB |
Output isn't correct |
| 76 |
Incorrect |
214 ms |
30892 KB |
Output isn't correct |
| 77 |
Incorrect |
212 ms |
30896 KB |
Output isn't correct |
| 78 |
Incorrect |
209 ms |
30892 KB |
Output isn't correct |
| 79 |
Incorrect |
223 ms |
31064 KB |
Output isn't correct |
| 80 |
Incorrect |
204 ms |
31052 KB |
Output isn't correct |
| 81 |
Incorrect |
210 ms |
30896 KB |
Output isn't correct |
| 82 |
Incorrect |
216 ms |
30904 KB |
Output isn't correct |
| 83 |
Incorrect |
212 ms |
31284 KB |
Output isn't correct |
| 84 |
Incorrect |
205 ms |
30884 KB |
Output isn't correct |
| 85 |
Incorrect |
210 ms |
30888 KB |
Output isn't correct |
| 86 |
Incorrect |
218 ms |
31056 KB |
Output isn't correct |
| 87 |
Incorrect |
213 ms |
31056 KB |
Output isn't correct |
| 88 |
Incorrect |
209 ms |
30892 KB |
Output isn't correct |
| 89 |
Incorrect |
214 ms |
31024 KB |
Output isn't correct |
| 90 |
Incorrect |
136 ms |
26664 KB |
Output isn't correct |
| 91 |
Incorrect |
211 ms |
31056 KB |
Output isn't correct |
| 92 |
Incorrect |
219 ms |
31024 KB |
Output isn't correct |
| 93 |
Incorrect |
217 ms |
31056 KB |
Output isn't correct |
| 94 |
Incorrect |
214 ms |
30912 KB |
Output isn't correct |
| 95 |
Incorrect |
212 ms |
30908 KB |
Output isn't correct |
| 96 |
Incorrect |
211 ms |
31060 KB |
Output isn't correct |
| 97 |
Incorrect |
219 ms |
30896 KB |
Output isn't correct |
| 98 |
Incorrect |
209 ms |
31056 KB |
Output isn't correct |
| 99 |
Incorrect |
212 ms |
30900 KB |
Output isn't correct |
| 100 |
Incorrect |
219 ms |
31312 KB |
Output isn't correct |
