CSES - Datatähti 2018 loppu - Results
Submission details
Task:Tietoverkko
Sender:Kameli
Submission time:2018-01-18 15:28:10 +0200
Language:Python3
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#10.06 s1details
#20.07 s1details
#30.07 s1details
#40.07 s1details
#5ACCEPTED0.06 s1details
#60.50 s2details
#70.54 s2details
#80.45 s2details
#90.47 s2details
#10ACCEPTED0.56 s2details

Code

n=int(input())
verkko=[]
verkko.append(None)
for i in range(n):
    verkko.append([])
for i in range(n):
    t1,t2=list(map(int,input().split()))
    verkko[t1].append(t2)
    verkko[t2].append(t1)
#print(verkko)
c=0
for i in verkko[1:]:
    if len(i)==1:
        c+=1
print(c)

Test details

Test 1

Group: 1

Verdict:

input
100
16 88
6 77
60 92
98 64
...

correct output
97

user output
48

Test 2

Group: 1

Verdict:

input
100
97 41
95 93
79 60
5 4
...

correct output
95

user output
53

Test 3

Group: 1

Verdict:

input
100
87 24
21 49
86 85
42 32
...

correct output
90

user output
50

Test 4

Group: 1

Verdict:

input
100
30 24
54 79
51 6
80 29
...

correct output
50

user output
36

Test 5

Group: 1

Verdict: ACCEPTED

input
100
11 27
54 59
100 90
2 95
...

correct output
0

user output
0

Test 6

Group: 2

Verdict:

input
100000
98276 76171
70684 49183
48756 661
17166 16972
...

correct output
99997

user output
49983

Test 7

Group: 2

Verdict:

input
100000
35903 47275
13566 84
58018 42495
57071 4451
...

correct output
99995

user output
49973

Test 8

Group: 2

Verdict:

input
100000
79209 94485
60266 86793
27501 19927
13544 59730
...

correct output
99000

user output
49930

Test 9

Group: 2

Verdict:

input
100000
68402 82703
12892 46068
60013 40753
26168 34434
...

correct output
90000

user output
49466

Test 10

Group: 2

Verdict: ACCEPTED

input
100000
37330 74855
54324 45726
61652 15611
79081 47339
...

correct output
0

user output
0