CSES - Datatähti 2024 alku - Results
Submission details
Task:Laskettelukeskus
Sender:rottis
Submission time:2023-10-30 09:14:25 +0200
Language:Ruby
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1ACCEPTED0.07 s1, 2details
#20.07 s1, 2details
#30.07 s1, 2details
#40.10 s2details
#50.07 s2details
#60.07 s1, 2details
#70.07 s2details
#8ACCEPTED0.07 s1, 2details
#90.33 s2details
#10ACCEPTED0.07 s1, 2details
#11ACCEPTED0.38 s2details
#12ACCEPTED0.07 s1, 2details
#13ACCEPTED0.38 s2details

Code

class Node
def initialize(parent)
@parent = parent
@leaf = true
@c = 0
end
def make
child = Node.new(self)
@leaf = false
return child
end
def leaf?
return @leaf
end
def add_to_parents(c)
@c += c
if @parent.nil?
return
else
@parent.add_to_parents(c)
end
end
def count
@c
end
# def to_s
# return "(p=#{@parent}, l=#{@leaf}, c=#{@c})"
# end
end
total = 0
nodes = []
nodes << Node.new(nil)
(gets.chomp.to_i - 1).times do
nodes << nodes[gets.split(" ")[0].to_i - 1].make
end
notleaf = []
gets.chomp.split(" ").map(&:to_i).each_with_index do |c, index|
node = nodes[index]
if node.leaf?
total += c
node.add_to_parents(c)
else
notleaf.unshift([nodes[index], c])
end
end
notleaf.each do |node, count|
delta = count - node.count
if delta > 0
node.add_to_parents(delta)
total += delta
end
end
puts total

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
5
1 2
1 3
3 4
3 5
...

correct output
6

user output
6

Test 2

Group: 1, 2

Verdict:

input
100
1 73
1 64
64 23
1 88
...

correct output
2675

user output
(empty)

Error:
input/code.rb:40:in `block in <main>': undefined method `make' for nil:NilClass (NoMethodE...

Test 3

Group: 1, 2

Verdict:

input
100
1 36
36 56
56 59
36 97
...

correct output
2808

user output
(empty)

Error:
input/code.rb:40:in `block in <main>': undefined method `make' for nil:NilClass (NoMethodE...

Test 4

Group: 2

Verdict:

input
100000
1 45452
1 74209
45452 78960
45452 79820
...

correct output
28399367694319

user output
(empty)

Error:
input/code.rb:40:in `block in <main>': undefined method `make' for nil:NilClass (NoMethodE...

Test 5

Group: 2

Verdict:

input
100000
1 31165
1 23263
31165 89516
31165 53122
...

correct output
28546840313799

user output
(empty)

Error:
input/code.rb:40:in `block in <main>': undefined method `make' for nil:NilClass (NoMethodE...

Test 6

Group: 1, 2

Verdict:

input
100
1 79
79 9
79 45
45 10
...

correct output
0

user output
(empty)

Error:
input/code.rb:40:in `block in <main>': undefined method `make' for nil:NilClass (NoMethodE...

Test 7

Group: 2

Verdict:

input
100000
1 66038
1 56789
56789 7403
66038 69542
...

correct output
0

user output
(empty)

Error:
input/code.rb:40:in `block in <main>': undefined method `make' for nil:NilClass (NoMethodE...

Test 8

Group: 1, 2

Verdict: ACCEPTED

input
100
1 2
2 3
3 4
4 5
...

correct output
100

user output
100

Test 9

Group: 2

Verdict:

input
100000
1 2
2 3
3 4
4 5
...

correct output
1000000000

user output
(empty)

Error:
input/code.rb:23:in `add_to_parents': stack level too deep (SystemStackError)
	from input/...

Test 10

Group: 1, 2

Verdict: ACCEPTED

input
100
1 2
1 3
2 4
2 5
...

correct output
2809

user output
2809

Test 11

Group: 2

Verdict: ACCEPTED

input
100000
1 2
1 3
2 4
2 5
...

correct output
26053917212428

user output
26053917212428

Test 12

Group: 1, 2

Verdict: ACCEPTED

input
100
1 2
1 3
2 4
2 5
...

correct output
5000

user output
5000

Test 13

Group: 2

Verdict: ACCEPTED

input
100000
1 2
1 3
2 4
2 5
...

correct output
50000000000000

user output
50000000000000