QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#191155 | #7516. Robot Experiment | ucup-team987# | AC ✓ | 234ms | 3776kb | C++20 | 1.1kb | 2023-09-29 19:17:59 | 2023-09-29 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 11:38:55]
- hack成功,自动添加数据
- (//qoj.ac/hack/418)
- [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?
Details
Tip: Click on the bar to expand more detailed information
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