CSES - NOI 2024

CSES - NOI 2024 - Results

Submission details
Task:	Anime Shops
Sender:	Håkon Støren
Submission time:	2024-03-06 15:36:14 +0200
Language:	Python3 (CPython3)
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	RUNTIME ERROR	0
#2	RUNTIME ERROR	0
#3	RUNTIME ERROR	0

Test results
test	verdict	time	group
#1	RUNTIME ERROR	0.02 s	1, 3	details
#2	RUNTIME ERROR	0.02 s	1, 3	details
#3	RUNTIME ERROR	0.02 s	1, 3	details
#4	RUNTIME ERROR	0.02 s	1, 3	details
#5	RUNTIME ERROR	0.02 s	3	details
#6	RUNTIME ERROR	0.02 s	3	details
#7	RUNTIME ERROR	0.02 s	3	details
#8	RUNTIME ERROR	0.02 s	3	details
#9	RUNTIME ERROR	0.02 s	2, 3	details
#10	RUNTIME ERROR	0.02 s	2, 3	details
#11	RUNTIME ERROR	0.02 s	2, 3	details
#12	RUNTIME ERROR	0.02 s	3	details
#13	RUNTIME ERROR	0.02 s	3	details
#14	RUNTIME ERROR	0.02 s	3	details
#15	RUNTIME ERROR	0.02 s	3	details
#16	RUNTIME ERROR	0.02 s	3	details

Code

class UnionFind:
    def __init__(self, N):
        self.p = [i for i in range(N)]
        self.rank = [0 for i in range(N)]
        self.set_size = [1 for i in range(N)]
        self.num_sets = N

    def find_set(self, i):
        if self.p[i] == i:
            return i
        else:
            self.p[i] = self.find_set(self.p[i])
            return self.p[i]

    def is_same_set(self, i, j):
        return self.find_set(i) == self.find_set(j)

    def union_set(self, i, j):
        if not self.is_same_set(i, j):
            self.num_sets -= 1
            x = self.find_set(i)
            y = self.find_set(j)
            if self.rank[x] > self.rank[y]:
                self.p[y] = x
                self.set_size[x] += self.set_size[y]
            else:
                self.p[x] = y
                self.set_size[y] += self.set_size[x]
                if self.rank[x] == self.rank[y]:
                    self.rank[y] += 1

    def num_disjoint_sets(self):
        return self.num_sets

    def size_of_set(self, i):
        return self.set_size[self.find_set(i)]

N, M = map(int, input().split())

UF = UnionFind(N)

for i in range(M):
    x, y = map(int, input().split())
    UF.union_set(x, y)

print(UF.num_disjoint_sets()-1)

Test details

Test 1

Group: 1, 3

Verdict: RUNTIME ERROR

input
`1000 2000 1 816 1 868 976 995 377 536 ...` view save

correct output
`4 3 3 4 6 4 -1 4 5 2 2 5 5 3 5...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 38, in <module>
    N...

Test 2

Group: 1, 3

Verdict: RUNTIME ERROR

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

correct output
`5 6 4 3 4 2 -1 3 3 3 4 3 2 3 -...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 38, in <module>
    N...

Test 3

Group: 1, 3

Verdict: RUNTIME ERROR

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

correct output
`2 2 3 -1 2 -1 3 2 2 1 2 -1 3 2...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 38, in <module>
    N...

Test 4

Group: 1, 3

Verdict: RUNTIME ERROR

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

correct output
`1 -1 1 1 -1 1 1 1 -1 1 1 1 -1 ...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 38, in <module>
    N...

Test 5

Group: 3

Verdict: RUNTIME ERROR

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

correct output
`8 10 8 8 8 8 8 8 9 7 7 8 8 8 6...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 38, in <module>
    N...

Test 6

Group: 3

Verdict: RUNTIME ERROR

input
`100000 200000 20 70440 82302 64483 96767 51485 ...` view save

correct output
`-1 8 6 5 5 7 6 7 6 6 8 5 6 4 5...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 38, in <module>
    N...

Test 7

Group: 3

Verdict: RUNTIME ERROR

input
`100000 200000 100 68738 37820 55519 77758 46482 ...` view save

correct output
`4 5 5 5 5 4 6 -1 5 4 5 6 4 5 5...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 38, in <module>
    N...

Test 8

Group: 3

Verdict: RUNTIME ERROR

input
`100000 200000 100000 47137 80137 73347 78145 9205 6...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 38, in <module>
    N...

Test 9

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100000 99999 1 44158 1 2 2 3 3 4 ...` view save

correct output
`44157 44156 44155 44154 44153 ...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 38, in <module>
    N...

Test 10

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100000 99999 20 44158 25720 84658 90057 99607 ...` view save

correct output
`361 360 359 358 357 356 355 35...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 38, in <module>
    N...

Test 11

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100000 99999 100000 44158 25720 84658 90057 99607 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 38, in <module>
    N...

Test 12

Group: 3

Verdict: RUNTIME ERROR

input
`100000 99999 3 99998 99999 100000 1 2 1 3 1 4 ...` view save

correct output
`33333 33332 33332 33332 33331 ...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 38, in <module>
    N...

Test 13

Group: 3

Verdict: RUNTIME ERROR

input
`100000 99999 300 99701 99702 99703 99704 99705 ...` view save

correct output
`333 333 333 333 333 333 333 33...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 38, in <module>
    N...

Test 14

Group: 3

Verdict: RUNTIME ERROR

input
`100000 99999 30000 70001 70002 70003 70004 70005 ...` view save

correct output
`3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 38, in <module>
    N...

Test 15

Group: 3

Verdict: RUNTIME ERROR

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

correct output
`-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 38, in <module>
    N...

Test 16

Group: 3

Verdict: RUNTIME ERROR

input
`100000 100000 2 1 50001 1 2 2 3 3 4 ...` view save

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

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 38, in <module>
    N...

NOI 2024

Anime Shops

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Tasks

Submissions (Håkon Støren)