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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#191155#7516. Robot Experimentucup-team987#AC ✓234ms3776kbC++201.1kb2023-09-29 19:17:592023-09-29 19:18:00

Judging History

你现在查看的是测评时间为 2023-09-29 19:18:00 的历史记录

  • [2023-11-04 11:39:06]
  • 自动重测本题所有获得100分的提交记录
  • 测评结果:AC
  • 用时:240ms
  • 内存:3720kb
  • [2023-09-29 19:18:00]
  • 评测
  • 测评结果:100
  • 用时:234ms
  • 内存:3776kb
  • [2023-09-29 19:17:59]
  • 提交

answer

#include<iostream>
#include<vector>
#include<algorithm>
#include<set>
#include<cassert>
using namespace std;
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	int N;
	string S;
	cin>>N>>S;
	vector<pair<int,int> >P;
	for(int i=0;i<1<<N;i++)
	{
		int x=0,y=0;
		set<pair<int,int> >OK,NG;
		OK.insert(make_pair(0,0));
		bool out=false;
		for(int j=0;j<N;j++)
		{
			int nx=x,ny=y;
			if(S[j]=='L')nx--;
			else if(S[j]=='R')nx++;
			else if(S[j]=='D')ny--;
			else ny++;
			if(OK.find(make_pair(nx,ny))!=OK.end())
			{
				if(!(i>>j&1))
				{
					out=true;
					break;
				}
				x=nx,y=ny;
			}
			else if(NG.find(make_pair(nx,ny))!=NG.end())
			{
				if(i>>j&1)
				{
					out=true;
					break;
				}
			}
			else
			{
				if(i>>j&1)
				{
					OK.insert(make_pair(nx,ny));
					x=nx,y=ny;
				}
				else
				{
					NG.insert(make_pair(nx,ny));
				}
			}
		}
		if(!out)P.push_back(make_pair(x,y));
	}
	sort(P.begin(),P.end());
	P.erase(unique(P.begin(),P.end()),P.end());
	cout<<P.size()<<"\n";
	for(pair<int,int>p:P)cout<<p.first<<" "<<p.second<<"\n";
}

这程序好像有点Bug,我给组数据试试?

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3600kb

input:

2
RU

output:

4
0 0
0 1
1 0
1 1

result:

ok 5 lines

Test #2:

score: 0
Accepted
time: 0ms
memory: 3600kb

input:

4
LRUD

output:

4
0 -1
0 0
1 -1
1 0

result:

ok 5 lines

Test #3:

score: 0
Accepted
time: 82ms
memory: 3776kb

input:

20
LLLRLRLRLLLRLLRLRLLR

output:

8
-6 0
-5 0
-4 0
-3 0
-2 0
-1 0
0 0
1 0

result:

ok 9 lines

Test #4:

score: 0
Accepted
time: 0ms
memory: 3552kb

input:

1
D

output:

2
0 -1
0 0

result:

ok 3 lines

Test #5:

score: 0
Accepted
time: 90ms
memory: 3532kb

input:

20
UUUUUUUUUUUUUUUUUUUU

output:

21
0 0
0 1
0 2
0 3
0 4
0 5
0 6
0 7
0 8
0 9
0 10
0 11
0 12
0 13
0 14
0 15
0 16
0 17
0 18
0 19
0 20

result:

ok 22 lines

Test #6:

score: 0
Accepted
time: 139ms
memory: 3528kb

input:

20
LRUDDULRUDRLLRDURLUD

output:

22
-2 0
-2 1
-1 -2
-1 -1
-1 0
-1 1
-1 2
0 -2
0 -1
0 0
0 1
0 2
1 -2
1 -1
1 0
1 1
1 2
2 -2
2 -1
2 0
2 1
2 2

result:

ok 23 lines

Test #7:

score: 0
Accepted
time: 79ms
memory: 3608kb

input:

20
UUDUDUUDUDUDUDUDLLRL

output:

12
-2 -1
-2 0
-2 1
-2 2
-1 -1
-1 0
-1 1
-1 2
0 -1
0 0
0 1
0 2

result:

ok 13 lines

Test #8:

score: 0
Accepted
time: 89ms
memory: 3608kb

input:

20
DUUDDUDUUDUDDUUDUDDU

output:

3
0 -1
0 0
0 1

result:

ok 4 lines

Test #9:

score: 0
Accepted
time: 176ms
memory: 3532kb

input:

20
RUDLUULDRURLDURLDURR

output:

29
-3 3
-3 4
-2 2
-2 3
-2 4
-1 1
-1 2
-1 3
-1 4
0 -1
0 0
0 1
0 2
0 3
0 4
1 -1
1 0
1 1
1 2
1 3
2 -1
2 0
2 1
2 2
2 3
3 -1
3 0
3 1
3 2

result:

ok 30 lines

Test #10:

score: 0
Accepted
time: 234ms
memory: 3660kb

input:

20
DLDLDLDLLLDLLDLDLDLR

output:

108
-10 -8
-10 -7
-10 -6
-10 -5
-10 -4
-10 -3
-10 -2
-10 -1
-10 0
-9 -8
-9 -7
-9 -6
-9 -5
-9 -4
-9 -3
-9 -2
-9 -1
-9 0
-8 -8
-8 -7
-8 -6
-8 -5
-8 -4
-8 -3
-8 -2
-8 -1
-8 0
-7 -8
-7 -7
-7 -6
-7 -5
-7 -4
-7 -3
-7 -2
-7 -1
-7 0
-6 -8
-6 -7
-6 -6
-6 -5
-6 -4
-6 -3
-6 -2
-6 -1
-6 0
-5 -8
-5 -7
-5 -6
-5 -...

result:

ok 109 lines