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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#141528#6515. Path Planningcy1999WA 50ms44140kbC++201.5kb2023-08-17 16:01:252023-08-17 16:01:27

Judging History

你现在查看的是最新测评结果

  • [2023-08-17 16:01:27]
  • 评测
  • 测评结果:WA
  • 用时:50ms
  • 内存:44140kb
  • [2023-08-17 16:01:25]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int N=1e6+5;
vector<bool> vis[N];
struct node
{
	int x,y;
}a[N];
int n,m;
void work(int x,int y)
{
	int l=x+1,r=n,b1,b2;
	while(l<r)
	{
		int mid=(l+r+1)>>1;
		if(!vis[mid][max(y-1,1)]) l=mid;
		else r=mid-1;
	}
	b1=l;
	
	l=1,r=y-1;
	while(l<r)
	{
		int mid=(l+r)>>1;
		if(!vis[min(x+1,n)][mid]) r=mid;
		else l=mid+1;
	}
	b2=l;
	
	for(int i=x+1;i<=min(n,b1);i++)
	{
		for(int j=b2;j<=y-1;j++)
		{
			vis[i][j]=1;
		}
	}

	while(l<r)
	{
		int mid=(l+r)>>1;
		if(!vis[mid][min(y+1,m)]) r=mid;
		else l=mid+1;
	}
	b1=l;
	
	l=y+1,r=m;
	while(l<r)
	{
		int mid=(l+r+1)>>1;
		if(!vis[max(x-1,1)][mid]) l=mid;
		else r=mid-1;
	}
	b2=l;
	
	for(int i=b1;i<=x-1;i++)
	{
		for(int j=y+1;j<=b2;j++)
		{
			vis[i][j]=1;
		}
	}
//	cout<<"x="<<x<<" y="<<y<<endl;
//	for(int i=1;i<=n;i++)
//	{
//		for(int j=1;j<=m;j++)
//		{
//			cout<<vis[i][j]<<" ";
//		}
//		cout<<endl;
//	}
//	cout<<endl;
}
int main()
{
	int t;
	cin>>t;
	while(t--)
	{
		cin>>n>>m;
		for(int i=1;i<=n;i++)
		{
			vis[i].clear();
			vis[i].push_back(0);
			for(int j=1;j<=m;j++)
			{
				int x;
				cin>>x;
				a[x].x=i;
				a[x].y=j;
				vis[i].push_back(0);
			}
		}
		bool flag=0;
		for(int i=0;i<n*m;i++)
		{
			if(vis[a[i].x][a[i].y])
			{
				cout<<i<<'\n';
				flag=1;
				break;
			}
			work(a[i].x,a[i].y);
		}
		if(!flag)
		{
			cout<<n*m<<'\n';
		}
	}
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 11ms
memory: 42972kb

input:

2
2 3
1 2 4
3 0 5
1 5
1 3 0 4 2

output:

3
5

result:

ok 2 number(s): "3 5"

Test #2:

score: -100
Wrong Answer
time: 50ms
memory: 44140kb

input:

10000
2 9
4 0 3 5 2 7 16 11 12
9 13 14 17 10 8 15 1 6
4 8
19 23 22 13 29 4 17 26
30 6 25 3 15 24 18 14
12 8 7 9 27 5 0 10
11 16 31 20 2 28 1 21
1 6
3 2 0 1 4 5
2 3
4 2 0
3 5 1
5 1
4
0
3
2
1
1 3
1 0 2
8 10
9 50 8 0 41 57 60 30 23 65
64 21 36 12 10 5 58 19 38 67
71 52 45 17 77 4 59 51 22 25
56 49 79 2...

output:

9
2
6
3
5
3
14
13
5
9
5
7
6
9
7
4
6
7
13
9
10
9
6
1
5
7
4
2
10
4
18
6
12
3
7
6
9
2
1
5
6
10
8
4
2
5
2
5
7
13
6
10
2
10
3
6
9
8
3
10
2
3
3
5
8
4
7
7
7
8
8
6
6
5
3
7
7
13
3
3
6
5
4
3
10
5
12
7
2
11
6
7
5
10
9
5
3
10
2
5
3
8
7
10
5
4
10
4
6
5
9
4
10
6
3
5
4
4
7
4
8
3
12
5
4
5
10
6
8
3
7
9
3
6
12
4
6
6
...

result:

wrong answer 32nd numbers differ - expected: '5', found: '6'