CSES - Datatähti 2024 alku - Results
Submission details
Task:Laskettelukeskus
Sender:Terror2654
Submission time:2023-11-05 14:11:15 +0200
Language:Python3 (PyPy3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1, 2details
#20.04 s1, 2details
#30.04 s1, 2details
#40.27 s2details
#50.26 s2details
#6ACCEPTED0.04 s1, 2details
#7ACCEPTED0.23 s2details
#80.04 s1, 2details
#90.21 s2details
#100.04 s1, 2details
#110.21 s2details
#120.04 s1, 2details
#130.21 s2details

Code

n = int(input())
graph = [[]for i in range(n+1)]
for i in range(n-1):
  j, r  = map(int,input().split())
  graph[j].append(r)
l = list(map(int,input().split()))
l1 = l.copy()

def f(l,l1,graph):
    for i in range(n,0,-1):
        le = len(graph[i])
        if le==0:
            continue
        else:
            for j in graph[i]:
                if l1[j-1]>=0:
                    l1[0]-=l1[j-1]
                    if i != 1:
                        l1[i-1]-=(l1[j-1])
                    l1[j-1]=0
    return abs(l1[0])
print(f(l,l1,graph))

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
3707

Test 3

Group: 1, 2

Verdict:

input
100
1 36
36 56
56 59
36 97
...

correct output
2808

user output
3924

Test 4

Group: 2

Verdict:

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

correct output
28399367694319

user output
40439456795102

Test 5

Group: 2

Verdict:

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

correct output
28546840313799

user output
40629419908992

Test 6

Group: 1, 2

Verdict: ACCEPTED

input
100
1 79
79 9
79 45
45 10
...

correct output
0

user output
0

Test 7

Group: 2

Verdict: ACCEPTED

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

correct output
0

user output
0

Test 8

Group: 1, 2

Verdict:

input
100
1 2
2 3
3 4
4 5
...

correct output
100

user output
4900

Test 9

Group: 2

Verdict:

input
100000
1 2
2 3
3 4
4 5
...

correct output
1000000000

user output
49999000000000

Test 10

Group: 1, 2

Verdict:

input
100
1 2
1 3
2 4
2 5
...

correct output
2809

user output
3594

Test 11

Group: 2

Verdict:

input
100000
1 2
1 3
2 4
2 5
...

correct output
26053917212428

user output
33750942338143

Test 12

Group: 1, 2

Verdict:

input
100
1 2
1 3
2 4
2 5
...

correct output
5000

user output
6400

Test 13

Group: 2

Verdict:

input
100000
1 2
1 3
2 4
2 5
...

correct output
50000000000000

user output
66663000000000