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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#527983#7733. Cool, It’s Yesterday Four Times MoreStelorWA 1ms3664kbC++201.3kb2024-08-23 01:21:252024-08-23 01:21:25

Judging History

你现在查看的是最新测评结果

  • [2024-08-23 01:21:25]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3664kb
  • [2024-08-23 01:21:25]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int N=1e3+10;
int dx[]={0,0,1,-1};
int dy[]={1,-1,0,0};
int n,m,id,ans,vis[N][N];
char s[N][N];
vector<pair<int,int>> se;
bool inmp(int x,int y)
{
	if(x>=1&&x<=n&&y>=1&&y<=m) return true;
	return false;
}
void dfs(int x,int y)
{
	se.push_back({x,y});
	vis[x][y]=id;
	for(int i=0;i<4;++i)
	{
		int nx=x+dx[i],ny=y+dy[i];
		if(inmp(nx,ny)&&s[nx][ny]=='.'&&vis[nx][ny]!=id)
		{
			dfs(nx,ny);
		}
	}
}
bool check(int px,int py)
{
	for(int i=1;i<=n;++i)
	{
		for(int j=1;j<=m;++j)
		{
			if(vis[i][j]!=id&&s[i][j]=='.')
			{
				bool f=true;
				for(auto t:se)
				{
					int nx=i+px-t.first,ny=j+py-t.second;
					if(!inmp(nx,ny)||s[nx][ny]!='.') 
					{
						f=false;break;
					}
				}
				if(f) return false;
			}
			
		}
	}
	return true;
}
void solve()
{
	cin>>n>>m;
	id=0,ans=0;
	for(int i=1;i<=n;++i) for(int j=1;j<=m;++j)
	{
		cin>>s[i][j];
		vis[i][j]=0;
	}
	for(int i=1;i<=n;++i)
	{
		for(int j=1;j<=m;++j)
		{
			if(!vis[i][j]&&s[i][j]=='.')
			{
				se.clear();
				++id;
				dfs(i,j);
				if(check(i,j))
				{
					ans=ans+(int)se.size();
				}
			}
		}
	}
	cout<<ans<<'\n';
}
int main()
{
	ios::sync_with_stdio(0),cin.tie(0);
	int _;
	cin>>_;
	while(_--) solve();
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3664kb

input:

4
2 5
.OO..
O..O.
1 3
O.O
1 3
.O.
2 3
OOO
OOO

output:

3
1
0
0

result:

ok 4 lines

Test #2:

score: -100
Wrong Answer
time: 1ms
memory: 3624kb

input:

200
2 4
OOO.
OO..
2 3
OOO
.O.
3 3
O.O
OOO
OO.
4 1
.
.
O
O
1 2
.O
1 1
.
2 5
.OO..
.O.O.
2 1
O
O
1 1
O
1 3
.OO
5 1
O
O
.
O
.
5 2
O.
..
O.
.O
..
5 3
...
...
.OO
..O
OOO
3 5
..O.O
.O.O.
.OO.O
5 2
.O
OO
O.
O.
..
2 1
O
O
3 5
.O.OO
O...O
..OO.
1 5
.....
5 1
O
.
O
.
.
5 3
OOO
OO.
.OO
OO.
O.O
2 1
O
.
5 2
O.
...

output:

3
0
0
2
1
1
3
0
0
1
0
4
9
4
4
0
6
5
2
0
1
6
4
5
2
0
0
5
3
3
1
4
1
0
4
5
2
3
7
3
0
6
2
2
2
0
4
6
6
3
3
2
3
5
2
1
0
3
3
4
4
2
2
0
7
6
4
8
5
3
2
5
2
1
2
1
4
0
0
2
5
1
4
6
6
1
6
2
2
3
4
5
2
1
0
1
9
3
4
11
0
3
2
1
0
0
4
3
1
4
3
8
3
0
3
6
2
5
1
3
3
4
0
2
11
2
2
4
0
4
4
6
2
1
2
3
0
5
0
16
4
3
2
6
0
8
3
3
1...

result:

wrong answer 12th lines differ - expected: '7', found: '4'