QOJ.ac
QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#65183 | #4235. Transparency | Sorting# | AC ✓ | 39ms | 19032kb | C++ | 2.3kb | 2022-11-27 23:11:18 | 2022-11-27 23:11:21 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define fi first
#define se second
int n,k,m;
vector<pair<int,int> >e[51];
int win[51];
vector<int>adj[150001];
int d[150001];
int h(int i,int j,int k){
return (i-1)*n*30+(j-1)*30+k;
}
int main(){
ios::sync_with_stdio(false);
cin >> n >> k >> m;
for(int i=1; i<=k ;i++){
int x;cin >> x;win[x]=true;
}
for(int i=1; i<=m ;i++){
int u,v;char c;
cin >> u >> c >> v;
if(c>='a' && c<='z'){
e[u].push_back({-(c-'a'+1),v});
}
else{
e[u].push_back({c-'A'+1,v});
}
}
{//building edges
for(int i=1; i<=n ;i++){//out.k = 27,28
adj[h(i,i,27)].push_back(h(i,i,28));
for(auto c:e[i]){
adj[h(i,i,28)].push_back(h(c.se,c.se,27));
if(c.fi<0) adj[h(i,i,27)].push_back(h(c.se,i,29));
for(auto d:e[i]){
if(c.fi==d.fi) continue;
if(c.fi>0 && d.fi>0) continue;
int nk=max(c.fi,0)+max(d.fi,0);
adj[h(i,i,28)].push_back(h(c.se,d.se,nk));
}
}
}
for(int i=1; i<=n ;i++){//out.k = 29
for(int j=1; j<=n ;j++){
for(auto c:e[i]){
if(c.fi<0) adj[h(i,j,29)].push_back(h(c.se,j,29));
}
}
}
for(int i=1; i<=n ;i++){//out.k = 0
for(int j=1; j<=n ;j++){
for(auto c:e[i]){
adj[h(i,j,0)].push_back(h(c.se,j,max(c.fi,0)));
}
for(auto c:e[j]){
adj[h(i,j,0)].push_back(h(c.se,i,max(c.fi,0)));
}
}
}
for(int i=1; i<=n ;i++){//out.k = [1..26]
for(int j=1; j<=n ;j++){
for(int k=1; k<=26 ;k++){
for(auto c:e[j]){
if(c.fi<0) adj[h(i,j,k)].push_back(h(i,c.se,k));
else if(c.fi==k) adj[h(i,j,k)].push_back(h(i,c.se,0));
}
}
}
}
}
int st=h(1,1,27);
for(int i=1; i<=n ;i++){
for(int j=1; j<=n ;j++){
for(int k=0; k<30 ;k++){
int id=h(i,j,k);
d[id]=1e9;
}
}
}
d[st]=0;
queue<int>q;q.push(st);
while(!q.empty()){
int x=q.front();q.pop();
for(auto c:adj[x]){
if(d[c]>d[x]+1){
d[c]=d[x]+1;
q.push(c);
}
}
}
int ans=1e9;
for(int i=1; i<=n ;i++){
for(int j=1; j<=n ;j++){
//cout << i << ' ' << j << ' ' << d[h(i,j,0)] << endl;
if(!win[i] || !win[j]) continue;
ans=min(ans,d[h(i,j,0)]);
ans=min(ans,d[h(i,j,29)]);
}
}
if(ans==1e9) cout << "-1\n";
else cout << ans << '\n';
}
詳細信息
Test #1:
score: 100
Accepted
time: 2ms
memory: 6888kb
input:
4 1 8 3 1 F 1 1 A 2 2 b 1 2 F 3 2 d 3 3 B 3 3 y 4 4 d 1
output:
10
result:
ok single line: '10'
Test #2:
score: 0
Accepted
time: 5ms
memory: 6936kb
input:
4 1 8 3 1 F 1 1 A 2 2 b 1 2 F 3 2 d 3 3 B 3 3 y 4 4 d 4
output:
-1
result:
ok single line: '-1'
Test #3:
score: 0
Accepted
time: 4ms
memory: 6852kb
input:
5 2 5 1 5 1 i 2 2 c 3 3 p 4 4 c 1 1 I 5
output:
4
result:
ok single line: '4'
Test #4:
score: 0
Accepted
time: 2ms
memory: 7072kb
input:
8 2 96 4 8 1 x 2 1 y 5 2 A 3 3 A 4 4 A 2 5 A 6 6 A 7 7 A 8 8 A 5 5 B 2 6 B 2 7 B 2 8 B 2 5 C 2 6 C 2 7 C 2 8 C 2 5 D 2 6 D 2 7 D 2 8 D 2 5 E 2 6 E 2 7 E 2 8 E 2 5 F 2 6 F 2 7 F 2 8 F 2 5 G 2 6 G 2 7 G 2 8 G 2 5 H 2 6 H 2 7 H 2 8 H 2 5 I 2 6 I 2 7 I 2 8 I 2 5 J 2 6 J 2 7 J 2 8 J 2 5 K 2 6 K 2 7 K 2 8...
output:
24
result:
ok single line: '24'
Test #5:
score: 0
Accepted
time: 6ms
memory: 7512kb
input:
4 1 4 1 1 d 2 2 A 3 3 A 4 4 d 1
output:
-1
result:
ok single line: '-1'
Test #6:
score: 0
Accepted
time: 5ms
memory: 6812kb
input:
7 1 8 1 1 d 2 2 A 3 3 A 4 4 d 1 1 A 5 5 d 6 6 d 7 7 A 1
output:
8
result:
ok single line: '8'
Test #7:
score: 0
Accepted
time: 2ms
memory: 6920kb
input:
1 1 1 1 1 a 1
output:
1
result:
ok single line: '1'
Test #8:
score: 0
Accepted
time: 5ms
memory: 6760kb
input:
1 1 1 1 1 A 1
output:
-1
result:
ok single line: '-1'
Test #9:
score: 0
Accepted
time: 5ms
memory: 6784kb
input:
2 1 2 2 1 a 2 1 b 2
output:
2
result:
ok single line: '2'
Test #10:
score: 0
Accepted
time: 2ms
memory: 7016kb
input:
2 2 1 1 2 1 a 2
output:
1
result:
ok single line: '1'
Test #11:
score: 0
Accepted
time: 2ms
memory: 7020kb
input:
4 2 3 3 4 1 A 2 2 a 3 2 b 4
output:
4
result:
ok single line: '4'
Test #12:
score: 0
Accepted
time: 4ms
memory: 7472kb
input:
50 1 149 50 1 A 2 2 B 3 3 C 4 4 D 5 5 E 6 6 F 7 7 G 8 8 H 9 9 I 10 10 J 11 11 K 12 12 L 13 13 M 14 14 N 15 15 O 16 16 P 17 17 Q 18 18 R 19 19 S 20 20 T 21 21 U 22 22 V 23 23 W 24 24 X 25 25 Y 26 26 Z 27 27 A 28 28 B 29 29 C 30 30 D 31 31 E 32 32 F 33 33 G 34 34 H 35 35 I 36 36 J 37 37 K 38 38 L 39 3...
output:
288
result:
ok single line: '288'
Test #13:
score: 0
Accepted
time: 5ms
memory: 8392kb
input:
50 1 500 50 1 A 2 1 Z 2 1 Y 2 1 X 2 1 W 2 1 V 2 1 U 2 1 T 2 1 S 2 1 R 2 2 B 3 2 A 3 2 Z 3 2 Y 3 2 X 3 2 W 3 2 V 3 2 U 3 2 T 3 2 S 3 3 C 4 3 B 4 3 A 4 3 Z 4 3 Y 4 3 X 4 3 W 4 3 V 4 3 U 4 3 T 4 4 D 5 4 C 5 4 B 5 4 A 5 4 Z 5 4 Y 5 4 X 5 4 W 5 4 V 5 4 U 5 5 E 6 5 D 6 5 C 6 5 B 6 5 A 6 5 Z 6 5 Y 6 5 X 6 ...
output:
533
result:
ok single line: '533'
Test #14:
score: 0
Accepted
time: 2ms
memory: 8336kb
input:
50 1 500 50 1 A 2 1 Z 2 1 Y 2 1 X 2 1 W 2 1 V 2 1 U 2 1 T 2 1 S 2 1 R 2 2 B 3 2 A 3 2 Z 3 2 Y 3 2 X 3 2 W 3 2 V 3 2 U 3 2 T 3 2 S 3 3 C 4 3 B 4 3 A 4 3 Z 4 3 Y 4 3 X 4 3 W 4 3 V 4 3 U 4 3 T 4 4 D 5 4 C 5 4 B 5 4 A 5 4 Z 5 4 Y 5 4 X 5 4 W 5 4 V 5 4 U 5 5 E 6 5 D 6 5 C 6 5 B 6 5 A 6 5 Z 6 5 Y 6 5 X 6 ...
output:
-1
result:
ok single line: '-1'
Test #15:
score: 0
Accepted
time: 3ms
memory: 7532kb
input:
50 2 67 2 26 1 x 3 1 w 27 2 Z 3 3 Z 4 4 Z 5 5 Z 6 6 Z 7 7 Z 8 8 Z 9 9 Z 10 10 Z 11 11 Z 12 12 Z 13 13 Z 14 14 Z 15 15 Z 16 16 Z 17 17 Z 18 18 Z 19 19 Z 20 20 Z 21 21 Z 22 22 Z 23 23 Z 24 24 Z 25 25 Z 2 26 Z 27 27 Z 28 28 Z 29 29 Z 30 30 Z 31 31 Z 32 32 Z 33 33 Z 34 34 Z 35 35 Z 36 36 Z 37 37 Z 38 38...
output:
1200
result:
ok single line: '1200'
Test #16:
score: 0
Accepted
time: 39ms
memory: 19032kb
input:
50 5 2600 12 10 36 19 9 1 A 6 1 B 12 1 C 2 1 D 35 1 E 12 1 F 50 1 G 46 1 H 13 1 I 30 1 J 24 1 K 39 1 L 21 1 M 23 1 N 46 1 O 41 1 P 5 1 Q 43 1 R 24 1 S 43 1 T 8 1 U 50 1 V 41 1 W 47 1 X 11 1 Y 4 1 Z 26 1 a 33 1 b 34 1 c 30 1 d 37 1 e 4 1 f 42 1 g 22 1 h 14 1 i 44 1 j 18 1 k 50 1 l 16 1 m 24 1 n 41 1 ...
output:
2
result:
ok single line: '2'
Test #17:
score: 0
Accepted
time: 19ms
memory: 18660kb
input:
50 20 2600 8 45 50 40 10 13 27 2 21 34 31 25 36 46 39 15 16 20 35 26 1 A 45 1 B 39 1 C 21 1 D 10 1 E 22 1 F 50 1 G 18 1 H 23 1 I 19 1 J 40 1 K 17 1 L 45 1 M 42 1 N 10 1 O 35 1 P 45 1 Q 7 1 R 6 1 S 19 1 T 40 1 U 21 1 V 39 1 W 17 1 X 30 1 Y 31 1 Z 26 1 a 18 1 b 49 1 c 18 1 d 18 1 e 29 1 f 18 1 g 49 1 ...
output:
-1
result:
ok single line: '-1'
Test #18:
score: 0
Accepted
time: 27ms
memory: 18716kb
input:
50 20 2600 8 45 50 40 10 13 27 2 21 34 31 25 36 46 39 15 16 20 35 26 1 A 45 1 B 39 1 C 21 1 D 10 1 E 22 1 F 50 1 G 18 1 H 23 1 I 19 1 J 40 1 K 17 1 L 45 1 M 42 1 N 10 1 O 35 1 P 45 1 Q 7 1 R 6 1 S 19 1 T 40 1 U 21 1 V 39 1 W 17 1 X 30 1 Y 31 1 Z 26 1 a 18 1 b 49 1 c 18 1 d 38 1 e 29 1 f 18 1 g 49 1 ...
output:
5
result:
ok single line: '5'
Test #19:
score: 0
Accepted
time: 2ms
memory: 7208kb
input:
9 2 15 6 3 1 A 2 1 f 3 2 c 4 2 H 6 2 b 5 3 G 1 4 H 4 4 e 7 4 D 1 5 d 8 5 L 3 7 F 9 8 F 9 9 H 6 9 p 1
output:
10
result:
ok single line: '10'
Test #20:
score: 0
Accepted
time: 1ms
memory: 7008kb
input:
7 3 62 5 6 7 1 A 2 2 a 5 2 b 3 2 c 4 3 a 4 3 b 4 3 c 4 3 d 4 3 e 4 3 f 4 3 g 4 3 h 4 3 i 4 3 j 4 3 k 4 3 l 4 3 m 4 3 n 4 3 o 4 3 p 4 3 q 4 3 r 4 3 s 4 3 t 4 3 u 4 3 v 4 3 w 4 3 x 4 3 y 4 3 z 4 4 a 3 4 b 3 4 c 3 4 d 3 4 e 3 4 f 3 4 g 3 4 h 3 4 i 3 4 j 3 4 k 3 4 l 3 4 m 3 4 n 3 4 o 3 4 p 3 4 q 3 4 r 3...
output:
-1
result:
ok single line: '-1'
Test #21:
score: 0
Accepted
time: 5ms
memory: 7232kb
input:
9 2 15 6 3 1 A 2 1 f 3 2 c 4 2 H 6 2 b 5 3 G 1 4 H 4 4 e 7 4 D 1 5 d 8 5 L 3 7 r 9 8 t 9 9 H 6 9 p 1
output:
7
result:
ok single line: '7'
Test #22:
score: 0
Accepted
time: 5ms
memory: 7256kb
input:
24 4 30 2 3 15 23 1 B 2 2 C 3 3 D 2 3 f 4 3 A 17 4 A 5 5 g 6 5 R 2 6 Z 7 6 N 5 7 b 8 8 g 9 9 r 10 10 h 11 10 S 10 11 T 12 12 r 13 13 K 14 14 m 15 15 L 16 16 G 1 17 x 18 18 f 19 19 Z 20 20 V 2 20 T 21 21 K 22 22 m 23 23 F 24 24 C 1
output:
23
result:
ok single line: '23'
Test #23:
score: 0
Accepted
time: 5ms
memory: 6956kb
input:
7 2 6 4 7 1 f 2 2 A 3 3 b 4 1 g 5 5 A 6 6 c 7
output:
6
result:
ok single line: '6'
Test #24:
score: 0
Accepted
time: 2ms
memory: 7256kb
input:
26 4 32 2 3 15 25 1 B 2 2 C 3 3 D 2 3 f 4 3 A 17 4 A 5 5 g 6 5 R 2 6 Z 7 6 N 5 7 b 8 8 g 9 9 r 10 10 h 11 10 S 10 11 T 12 12 r 13 13 K 14 14 m 15 15 L 16 16 G 1 17 x 18 18 f 19 19 Z 20 20 V 2 20 T 21 21 K 22 22 m 23 23 i 24 24 k 25 25 F 26 26 C 1
output:
25
result:
ok single line: '25'
Test #25:
score: 0
Accepted
time: 4ms
memory: 6944kb
input:
4 1 4 4 1 m 2 2 X 3 3 a 4 3 b 4
output:
6
result:
ok single line: '6'
Test #26:
score: 0
Accepted
time: 31ms
memory: 18764kb
input:
50 1 2600 1 1 A 35 1 B 18 1 C 24 1 D 43 1 E 9 1 F 50 1 G 5 1 H 9 1 I 6 1 J 6 1 K 26 1 L 37 1 M 48 1 N 29 1 O 18 1 P 21 1 Q 50 1 R 33 1 S 47 1 T 27 1 U 31 1 V 39 1 W 27 1 X 24 1 Y 44 1 Z 33 1 a 16 1 b 7 1 c 38 1 d 7 1 e 49 1 f 12 1 g 47 1 h 20 1 i 5 1 j 42 1 k 29 1 l 14 1 m 32 1 n 28 1 o 28 1 p 30 1 ...
output:
-1
result:
ok single line: '-1'