#include<iostream>
#include<vector>
#include<algorithm>
#define ep emplace
#define eb emplace_back
#define fi first
#define se second
#define all(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;
typedef pair<int,int>pi;
typedef pair<ll,ll>pl;
const int inf=1e9+7;
const ll INF=1e18;
int tp[2010][2010];
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin>>n;
for(int i=1;i++<n;)
{
string s;
cin>>s;
for(int j=1;j<i;j++)
tp[i][j]=tp[j][i]=s[j-1]=='B'?0:1;
}
for(int i=0;i++<n;)
{
vector<pi>v0,v1;
vector<int>vv;
for(int j=0;j++<n;)
if(i!=j)
vv.eb(j);
if(tp[i][vv.back()]==0)
v0.eb(i,vv.back());
else
v1.eb(i,vv.back());
vv.pop_back();
for(int&t:vv)
{
int mid=(v0.empty()?v1:v0).back().se;
if(mid==i)
{
if(v0.empty())
{
for(pi&t:v1)
swap(t.fi,t.se);
reverse(all(v1));
}
else
{
for(pi&t:v0)
swap(t.fi,t.se);
reverse(all(v0));
}
mid=(v0.empty()?v1:v0).back().se;
}
int mcol=tp[mid][t];
if(v0.empty())
{
if(mcol==0)
v0.eb(t,mid);
else
v1.eb(mid,t);
}
else if(v1.empty())
{
if(mcol==0)
v0.eb(mid,t);
else
v1.eb(t,mid);
}
else
{
if(mcol==0)
{
v0.eb(mid,t);
int ncol=tp[t][v1.back().fi];
if(ncol==1)
v1.back().se=t;
else
v0.eb(t,v1.back().fi),v1.pop_back();
}
else
{
v1.eb(mid,t);
int ncol=tp[t][v0.back().fi];
if(ncol==0)
v0.back().se=t;
else
v1.eb(t,v0.back().fi),v0.pop_back();
}
}
}
vector<int>vv2;
reverse(all(v1));
for(pi&t:v0)
vv2.eb(t.fi),vv2.eb(t.se);
for(pi&t:v1)
vv2.eb(t.se),vv2.eb(t.fi);
vv2.erase(unique(all(vv2)),vv2.end());
if(vv2[0]!=i)
reverse(all(vv2));
cout<<n<<endl;
for(int&t:vv2)
cout<<t<<' ';
cout<<endl;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
512 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
500 ms |
35832 KB |
Output is correct |
17 |
Correct |
478 ms |
35960 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
482 ms |
35832 KB |
Output is correct |
20 |
Correct |
545 ms |
36216 KB |
Output is correct |
21 |
Correct |
1 ms |
512 KB |
Output is correct |
22 |
Correct |
477 ms |
35960 KB |
Output is correct |
23 |
Correct |
521 ms |
35736 KB |
Output is correct |
24 |
Correct |
2 ms |
768 KB |
Output is correct |
25 |
Correct |
475 ms |
35748 KB |
Output is correct |
26 |
Correct |
485 ms |
35832 KB |
Output is correct |
27 |
Correct |
38 ms |
4472 KB |
Output is correct |
28 |
Correct |
498 ms |
35960 KB |
Output is correct |
29 |
Correct |
503 ms |
35832 KB |
Output is correct |
30 |
Correct |
501 ms |
35960 KB |
Output is correct |
31 |
Correct |
486 ms |
35960 KB |
Output is correct |
32 |
Correct |
487 ms |
35704 KB |
Output is correct |
33 |
Correct |
501 ms |
35960 KB |
Output is correct |
34 |
Correct |
489 ms |
35832 KB |
Output is correct |
35 |
Correct |
487 ms |
36088 KB |
Output is correct |
36 |
Correct |
502 ms |
36264 KB |
Output is correct |
37 |
Correct |
472 ms |
35964 KB |
Output is correct |
38 |
Correct |
480 ms |
35960 KB |
Output is correct |
39 |
Correct |
482 ms |
35704 KB |
Output is correct |
40 |
Correct |
497 ms |
35964 KB |
Output is correct |
41 |
Correct |
529 ms |
35832 KB |
Output is correct |
42 |
Correct |
501 ms |
35732 KB |
Output is correct |
43 |
Correct |
535 ms |
35912 KB |
Output is correct |
44 |
Correct |
506 ms |
35704 KB |
Output is correct |
45 |
Correct |
493 ms |
35960 KB |
Output is correct |
46 |
Correct |
510 ms |
35744 KB |
Output is correct |
47 |
Correct |
512 ms |
35960 KB |
Output is correct |
48 |
Correct |
497 ms |
35836 KB |
Output is correct |
49 |
Correct |
482 ms |
35960 KB |
Output is correct |
50 |
Correct |
499 ms |
35812 KB |
Output is correct |
51 |
Correct |
508 ms |
35688 KB |
Output is correct |
52 |
Correct |
563 ms |
35960 KB |
Output is correct |
53 |
Correct |
507 ms |
35840 KB |
Output is correct |
54 |
Correct |
489 ms |
35960 KB |
Output is correct |
55 |
Correct |
576 ms |
35964 KB |
Output is correct |
56 |
Correct |
568 ms |
35960 KB |
Output is correct |
57 |
Correct |
551 ms |
35960 KB |
Output is correct |
58 |
Correct |
547 ms |
36088 KB |
Output is correct |
59 |
Correct |
544 ms |
35960 KB |
Output is correct |
60 |
Correct |
539 ms |
36096 KB |
Output is correct |
61 |
Correct |
586 ms |
35972 KB |
Output is correct |
62 |
Correct |
541 ms |
36080 KB |
Output is correct |
63 |
Correct |
555 ms |
35972 KB |
Output is correct |
64 |
Correct |
539 ms |
36088 KB |
Output is correct |
65 |
Correct |
545 ms |
36088 KB |
Output is correct |
66 |
Correct |
532 ms |
35960 KB |
Output is correct |
67 |
Correct |
531 ms |
35920 KB |
Output is correct |
68 |
Correct |
544 ms |
35960 KB |
Output is correct |
69 |
Correct |
543 ms |
36088 KB |
Output is correct |
70 |
Correct |
560 ms |
36120 KB |
Output is correct |
71 |
Correct |
541 ms |
36244 KB |
Output is correct |
72 |
Correct |
532 ms |
36088 KB |
Output is correct |
73 |
Correct |
535 ms |
36004 KB |
Output is correct |
74 |
Correct |
535 ms |
36088 KB |
Output is correct |
75 |
Correct |
540 ms |
36104 KB |
Output is correct |
76 |
Correct |
543 ms |
35936 KB |
Output is correct |
77 |
Correct |
550 ms |
36000 KB |
Output is correct |
78 |
Correct |
552 ms |
35968 KB |
Output is correct |
79 |
Correct |
544 ms |
35896 KB |
Output is correct |
80 |
Correct |
535 ms |
35960 KB |
Output is correct |
81 |
Correct |
536 ms |
36088 KB |
Output is correct |
82 |
Correct |
535 ms |
36216 KB |
Output is correct |
83 |
Correct |
534 ms |
36084 KB |
Output is correct |
84 |
Correct |
550 ms |
36076 KB |
Output is correct |
85 |
Correct |
543 ms |
36088 KB |
Output is correct |
86 |
Correct |
547 ms |
36024 KB |
Output is correct |
87 |
Correct |
35 ms |
4472 KB |
Output is correct |
88 |
Correct |
33 ms |
4472 KB |
Output is correct |
89 |
Correct |
548 ms |
36088 KB |
Output is correct |
90 |
Correct |
561 ms |
36240 KB |
Output is correct |
91 |
Correct |
35 ms |
4600 KB |
Output is correct |
92 |
Correct |
43 ms |
4448 KB |
Output is correct |
93 |
Correct |
595 ms |
36088 KB |
Output is correct |
94 |
Correct |
538 ms |
35960 KB |
Output is correct |
95 |
Correct |
32 ms |
4472 KB |
Output is correct |
96 |
Correct |
33 ms |
4472 KB |
Output is correct |
97 |
Correct |
532 ms |
36216 KB |
Output is correct |
98 |
Correct |
526 ms |
36144 KB |
Output is correct |