CSES - Datatähti 2018 loppu - Results
Submission details
Task:Tietoverkko
Sender:Katajisto
Submission time:2019-01-04 17:40:44 +0200
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED28
#2ACCEPTED72
Test results
testverdicttimegroup
#1ACCEPTED0.02 s1details
#2ACCEPTED0.02 s1details
#3ACCEPTED0.02 s1details
#4ACCEPTED0.02 s1details
#5ACCEPTED0.02 s1details
#6ACCEPTED0.12 s2details
#7ACCEPTED0.12 s2details
#8ACCEPTED0.13 s2details
#9ACCEPTED0.12 s2details
#10ACCEPTED0.14 s2details

Code

#include<bits/stdc++.h>
using namespace std;

vector<int> v[101010];

bool z[101010];
int p[101010];

int nn;

void haku(int n, int am, int pp) {
  if(z[n]) {
    cout << nn-(am-p[n]);
    exit(0);
  }
  z[n] = true;
  p[n] = am;
  for(int u : v[n]) {
    if(u != pp) haku(u,am+1,n);
  }
}

int main() {
  for(int i=0; i < 101010; i++) z[i] = false;
  cin >> nn;
  for(int i = 0; i < nn; i++) {
    int a, b; cin >> a >> b;
    v[a].push_back(b);
    v[b].push_back(a);
  }
  haku(1,0,1);
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
100
16 88
6 77
60 92
98 64
...

correct output
97

user output
97

Test 2

Group: 1

Verdict: ACCEPTED

input
100
97 41
95 93
79 60
5 4
...

correct output
95

user output
95

Test 3

Group: 1

Verdict: ACCEPTED

input
100
87 24
21 49
86 85
42 32
...

correct output
90

user output
90

Test 4

Group: 1

Verdict: ACCEPTED

input
100
30 24
54 79
51 6
80 29
...

correct output
50

user output
50

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: ACCEPTED

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

correct output
99997

user output
99997

Test 7

Group: 2

Verdict: ACCEPTED

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

correct output
99995

user output
99995

Test 8

Group: 2

Verdict: ACCEPTED

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

correct output
99000

user output
99000

Test 9

Group: 2

Verdict: ACCEPTED

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

correct output
90000

user output
90000

Test 10

Group: 2

Verdict: ACCEPTED

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

correct output
0

user output
0