| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 172137 |
2019-12-31T11:01:35 Z |
MvC |
Bomb (IZhO17_bomb) |
C++11 |
|
1000 ms |
30584 KB |
//#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define mkp make_pair
#define in insert
#define er erase
#define fd find
#define fr first
#define sc second
typedef long long ll;
typedef long double ld;
const ll INF=0x3f3f3f3f3f3f3f3f;
const ll llinf=(1LL<<62);
const int inf=(1<<30);
const int nmax=3e3+50;
const int mod=1e9+7;
using namespace std;
int n,m,i,j,l,r,mid,rs,cur,ad[nmax][nmax],b[nmax][nmax],a[nmax][nmax];
char c;
bool ok(int h,int w)
{
int i,j,x;
for(i=1;i<=n;i++)for(j=1;j<=m;j++)ad[i][j]=0;
for(i=1;i<=n;i++)
{
for(j=1;j<=m;j++)
{
if(i<=n-h+1 && j<=m-w+1)
{
x=b[i+h-1][j+w-1]-b[i+h-1][j-1]-b[i-1][j+w-1]+b[i-1][j-1];
if(x==h*w)
{
ad[i][j]++;
ad[i][j+w]--;
ad[i+h][j]--;
ad[i+h][j+w]++;
}
}
ad[i][j]+=ad[i-1][j]+ad[i][j-1]-ad[i-1][j-1];
if(!ad[i][j] && a[i][j])return 0;
}
}
return 1;
}
int main()
{
//freopen("sol.in","r",stdin);
//freopen("sol.out","w",stdout);
//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
cin>>n>>m;
if(n*m>=1250000)rc(1);
for(i=1;i<=n;i++)
{
for(j=1;j<=m;j++)
{
cin>>c;
a[i][j]=(c=='1');
b[i][j]=a[i][j]+b[i-1][j]+b[i][j-1]-b[i-1][j-1];
}
}
for(i=1;i<=n;i++)
{
l=1,r=m,cur=0;
while(l<=r)
{
mid=(l+r)/2;
if(ok(i,mid))cur=mid,l=mid+1;
else r=mid-1;
}
rs=max(rs,i*cur);
}
cout<<rs<<endl;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
632 KB |
Output is correct |
| 3 |
Correct |
148 ms |
30536 KB |
Output is correct |
| 4 |
Correct |
115 ms |
30584 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
504 KB |
Output is correct |
| 8 |
Correct |
2 ms |
632 KB |
Output is correct |
| 9 |
Correct |
2 ms |
632 KB |
Output is correct |
| 10 |
Correct |
2 ms |
504 KB |
Output is correct |
| 11 |
Correct |
2 ms |
632 KB |
Output is correct |
| 12 |
Correct |
2 ms |
504 KB |
Output is correct |
| 13 |
Correct |
2 ms |
580 KB |
Output is correct |
| 14 |
Correct |
2 ms |
504 KB |
Output is correct |
| 15 |
Correct |
2 ms |
632 KB |
Output is correct |
| 16 |
Correct |
2 ms |
636 KB |
Output is correct |
| 17 |
Correct |
3 ms |
1144 KB |
Output is correct |
| 18 |
Correct |
3 ms |
1276 KB |
Output is correct |
| 19 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 20 |
Correct |
6 ms |
1532 KB |
Output is correct |
| 21 |
Correct |
3 ms |
1016 KB |
Output is correct |
| 22 |
Correct |
4 ms |
1400 KB |
Output is correct |
| 23 |
Correct |
7 ms |
1656 KB |
Output is correct |
| 24 |
Correct |
5 ms |
1400 KB |
Output is correct |
| 25 |
Correct |
10 ms |
1752 KB |
Output is correct |
| 26 |
Correct |
9 ms |
1656 KB |
Output is correct |
| 27 |
Correct |
78 ms |
4872 KB |
Output is correct |
| 28 |
Correct |
95 ms |
5324 KB |
Output is correct |
| 29 |
Correct |
354 ms |
6776 KB |
Output is correct |
| 30 |
Correct |
444 ms |
7928 KB |
Output is correct |
| 31 |
Correct |
276 ms |
6360 KB |
Output is correct |
| 32 |
Correct |
345 ms |
7288 KB |
Output is correct |
| 33 |
Correct |
651 ms |
8392 KB |
Output is correct |
| 34 |
Correct |
89 ms |
5624 KB |
Output is correct |
| 35 |
Correct |
258 ms |
8440 KB |
Output is correct |
| 36 |
Correct |
665 ms |
8440 KB |
Output is correct |
| 37 |
Correct |
3 ms |
632 KB |
Output is correct |
| 38 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 39 |
Correct |
2 ms |
632 KB |
Output is correct |
| 40 |
Execution timed out |
1010 ms |
20472 KB |
Time limit exceeded |
| 41 |
Correct |
2 ms |
632 KB |
Output is correct |
| 42 |
Correct |
15 ms |
1724 KB |
Output is correct |
| 43 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 44 |
Execution timed out |
1064 ms |
8360 KB |
Time limit exceeded |
| 45 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 46 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 47 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 48 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 49 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 50 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 51 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 52 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 53 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 54 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 55 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 56 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 57 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 58 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 59 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 60 |
Incorrect |
2 ms |
348 KB |
Output isn't correct |
| 61 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 62 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 63 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 64 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 65 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 66 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 67 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 68 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 69 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 70 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 71 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 72 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 73 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 74 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 75 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 76 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 77 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 78 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 79 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 80 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 81 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 82 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 83 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 84 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 85 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 86 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 87 |
Incorrect |
2 ms |
380 KB |
Output isn't correct |
| 88 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 89 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 90 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 91 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 92 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 93 |
Incorrect |
2 ms |
396 KB |
Output isn't correct |
| 94 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 95 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 96 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 97 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 98 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 99 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 100 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
