| Task: | Tietoverkko |
| Sender: | Ilmari2000 |
| Submission time: | 2018-01-18 13:06:42 +0200 |
| Language: | C++ |
| Status: | READY |
| Result: | 0 |
| group | verdict | score |
|---|---|---|
| #1 | WRONG ANSWER | 0 |
| #2 | WRONG ANSWER | 0 |
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | WRONG ANSWER | 0.04 s | 1 | details |
| #2 | WRONG ANSWER | 0.04 s | 1 | details |
| #3 | WRONG ANSWER | 0.03 s | 1 | details |
| #4 | WRONG ANSWER | 0.03 s | 1 | details |
| #5 | ACCEPTED | 0.04 s | 1 | details |
| #6 | WRONG ANSWER | 0.14 s | 2 | details |
| #7 | WRONG ANSWER | 0.14 s | 2 | details |
| #8 | WRONG ANSWER | 0.14 s | 2 | details |
| #9 | WRONG ANSWER | 0.15 s | 2 | details |
| #10 | ACCEPTED | 0.17 s | 2 | details |
Code
#include <iostream>
#include <utility>
#include <vector>
using namespace std;
int main()
{
int n;
cin >> n;
vector< vector<int> > nodes;
vector<int> c;
nodes.resize(n);
c.resize(n, 0);
for(int i = 0; i < n; i++)
{
int a, b;
cin >> a >> b;
a--; b--;
nodes[a].push_back(b);
nodes[b].push_back(a);
c[a]++;
c[b]++;
}
int ret = 0;
for(int i = 0; i < n; i++)
{
if(c[i] > 1)
continue;
ret++;
int p = nodes[i][0], pp = i;
while(nodes[p].size() == 2)
{
for(int j = 0; j < 2; j++)
{
if(nodes[p][j] == pp)
continue;
pp = p;
p = nodes[p][j];
}
ret++;
}
}
cout << ret << endl;
}
Test details
Test 1
Group: 1
Verdict: WRONG ANSWER
| input |
|---|
| 100 16 88 6 77 60 92 98 64 ... |
| correct output |
|---|
| 97 |
| user output |
|---|
| 67 |
Test 2
Group: 1
Verdict: WRONG ANSWER
| input |
|---|
| 100 97 41 95 93 79 60 5 4 ... |
| correct output |
|---|
| 95 |
| user output |
|---|
| 68 |
Test 3
Group: 1
Verdict: WRONG ANSWER
| input |
|---|
| 100 87 24 21 49 86 85 42 32 ... |
| correct output |
|---|
| 90 |
| user output |
|---|
| 68 |
Test 4
Group: 1
Verdict: WRONG ANSWER
| input |
|---|
| 100 30 24 54 79 51 6 80 29 ... |
| correct output |
|---|
| 50 |
| user output |
|---|
| 47 |
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: WRONG ANSWER
| input |
|---|
| 100000 98276 76171 70684 49183 48756 661 17166 16972 ... |
| correct output |
|---|
| 99997 |
| user output |
|---|
| 71662 |
Test 7
Group: 2
Verdict: WRONG ANSWER
| input |
|---|
| 100000 35903 47275 13566 84 58018 42495 57071 4451 ... |
| correct output |
|---|
| 99995 |
| user output |
|---|
| 71624 |
Test 8
Group: 2
Verdict: WRONG ANSWER
| input |
|---|
| 100000 79209 94485 60266 86793 27501 19927 13544 59730 ... |
| correct output |
|---|
| 99000 |
| user output |
|---|
| 71574 |
Test 9
Group: 2
Verdict: WRONG ANSWER
| input |
|---|
| 100000 68402 82703 12892 46068 60013 40753 26168 34434 ... |
| correct output |
|---|
| 90000 |
| user output |
|---|
| 70243 |
Test 10
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 100000 37330 74855 54324 45726 61652 15611 79081 47339 ... |
| correct output |
|---|
| 0 |
| user output |
|---|
| 0 |