CSES - NOI 2024 - Results
Submission details
Task:Anime Shops
Sender:Thor Julius Lanzky Mortensen
Submission time:2024-03-06 16:30:34 +0200
Language:Python3 (PyPy3)
Status:READY
Result:23
Feedback
groupverdictscore
#1ACCEPTED23
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.10 s1, 3details
#2ACCEPTED0.13 s1, 3details
#3ACCEPTED0.18 s1, 3details
#4ACCEPTED0.41 s1, 3details
#5--3details
#6--3details
#7--3details
#8--3details
#9--2, 3details
#10--2, 3details
#11--2, 3details
#12--3details
#13--3details
#14--3details
#15--3details
#16--3details

Code

from collections import defaultdict, deque

n, m, k = map(int, input().split())
shops = sorted(list(map(int, input().split())))

adj = defaultdict(list)
for i in range(m):
    u, v = map(int, input().split())
    adj[u - 1].append(v - 1)
    adj[v - 1].append(u - 1)

isshop = [False] * n
shopvisit = [False] * n
for i in range(k):
    isshop[shops[i] - 1] = True

shopdists = [10**9] * n

def bfs(node):
    shopvisit[node] = True

    v = [False] * n
    d = [-1] * n
    q = deque([node])
    v[node] = True
    d[node] = 0

    while q:
        current = q.popleft()
        for u in adj[current]:
            if v[u] == False:
                d[u] = d[current] + 1
                shopdists[u] = min(shopdists[u], d[u])

                v[u] = True
                if isshop[u] and (not shopvisit[u]):
                    bfs(u)
                    continue

                q.append(u)

shopvisit[0] = True

#for i in range(n):
#    if isshop[i] and not shopvisit[i]:
#        bfs(i)

for s in shops:
    bfs(s - 1)

word = ""

for i in range(n):
    if shopdists[i] == 10**9:
        word += "-1"
    else:
        word += str(shopdists[i])
    if i != n - 1: word += " "

print(word)

Test details

Test 1

Group: 1, 3

Verdict: ACCEPTED

input
1000 2000 1
816
1 868
976 995
377 536
...

correct output
4 3 3 4 6 4 -1 4 5 2 2 5 5 3 5...

user output
4 3 3 4 6 4 -1 4 5 2 2 5 5 3 5...
Truncated

Test 2

Group: 1, 3

Verdict: ACCEPTED

input
1000 2000 20
578 955 222 813 494 962 753 71...

correct output
5 6 4 3 4 2 -1 3 3 3 4 3 2 3 -...

user output
5 6 4 3 4 2 -1 3 3 3 4 3 2 3 -...
Truncated

Test 3

Group: 1, 3

Verdict: ACCEPTED

input
1000 2000 100
945 230 119 680 975 520 490 28...

correct output
2 2 3 -1 2 -1 3 2 2 1 2 -1 3 2...

user output
2 2 3 -1 2 -1 3 2 2 1 2 -1 3 2...
Truncated

Test 4

Group: 1, 3

Verdict: ACCEPTED

input
1000 2000 1000
150 443 960 545 218 487 896 38...

correct output
1 -1 1 1 -1 1 1 1 -1 1 1 1 -1 ...

user output
1 -1 1 1 -1 1 1 1 -1 1 1 1 -1 ...
Truncated

Test 5

Group: 3

Verdict:

input
100000 200000 1
77222
59470 61811
43092 48939
14395 19964
...

correct output
8 10 8 8 8 8 8 8 9 7 7 8 8 8 6...

user output
(empty)

Test 6

Group: 3

Verdict:

input
100000 200000 20
70440 82302 64483 96767 51485 ...

correct output
-1 8 6 5 5 7 6 7 6 6 8 5 6 4 5...

user output
(empty)

Test 7

Group: 3

Verdict:

input
100000 200000 100
68738 37820 55519 77758 46482 ...

correct output
4 5 5 5 5 4 6 -1 5 4 5 6 4 5 5...

user output
(empty)

Test 8

Group: 3

Verdict:

input
100000 200000 100000
47137 80137 73347 78145 9205 6...

correct output
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

user output
(empty)

Test 9

Group: 2, 3

Verdict:

input
100000 99999 1
44158
1 2
2 3
3 4
...

correct output
44157 44156 44155 44154 44153 ...

user output
(empty)

Test 10

Group: 2, 3

Verdict:

input
100000 99999 20
44158 25720 84658 90057 99607 ...

correct output
361 360 359 358 357 356 355 35...

user output
(empty)

Test 11

Group: 2, 3

Verdict:

input
100000 99999 100000
44158 25720 84658 90057 99607 ...

correct output
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

user output
(empty)

Test 12

Group: 3

Verdict:

input
100000 99999 3
99998 99999 100000
1 2
1 3
1 4
...

correct output
33333 33332 33332 33332 33331 ...

user output
(empty)

Test 13

Group: 3

Verdict:

input
100000 99999 300
99701 99702 99703 99704 99705 ...

correct output
333 333 333 333 333 333 333 33...

user output
(empty)

Test 14

Group: 3

Verdict:

input
100000 99999 30000
70001 70002 70003 70004 70005 ...

correct output
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ...

user output
(empty)

Test 15

Group: 3

Verdict:

input
100000 0 100000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ...

user output
(empty)

Test 16

Group: 3

Verdict:

input
100000 100000 2
1 50001
1 2
2 3
3 4
...

correct output
50000 1 2 3 4 5 6 7 8 9 10 11 ...

user output
(empty)