| Task: | Tietoverkko |
| Sender: | Katajisto |
| Submission time: | 2019-01-04 17:05:00 +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 | 0.02 s | 1 | details |
| #2 | WRONG ANSWER | 0.02 s | 1 | details |
| #3 | WRONG ANSWER | 0.03 s | 1 | details |
| #4 | ACCEPTED | 0.02 s | 1 | details |
| #5 | WRONG ANSWER | 0.03 s | 1 | details |
| #6 | WRONG ANSWER | 0.13 s | 2 | details |
| #7 | WRONG ANSWER | 0.13 s | 2 | details |
| #8 | WRONG ANSWER | 0.13 s | 2 | details |
| #9 | WRONG ANSWER | 0.13 s | 2 | details |
| #10 | WRONG ANSWER | 0.15 s | 2 | details |
Code
#include<bits/stdc++.h>
using namespace std;
vector<int> v[101010];
bool z[101010];
int p[101010];
bool found = false;
int f;
void haku(int n, int pp) {
//cout << n << " :: " << pp << endl;
if(z[n]) {found = true; f = n; return; }
z[n] = true;
p[n] = pp;
for(int u : v[n]) {
if(u != pp) haku(u, n);
}
}
int main() {
for(int i=0; i < 101010; i++) z[i] = false;
int n;
cin >> n;
for(int i = 0; i < n; i++) {
int a, b; cin >> a >> b;
v[a].push_back(b);
v[b].push_back(a);
}
haku(1,1);
int cc = 0;
if(found) {
while(f != p[f]) {
f = p[f];
cc++;
}
cout << n-cc;
}
else cout << n;
}
Test details
Test 1
Group: 1
Verdict: WRONG ANSWER
| input |
|---|
| 100 16 88 6 77 60 92 98 64 ... |
| correct output |
|---|
| 97 |
| user output |
|---|
| 96 |
Test 2
Group: 1
Verdict: WRONG ANSWER
| input |
|---|
| 100 97 41 95 93 79 60 5 4 ... |
| correct output |
|---|
| 95 |
| user output |
|---|
| 94 |
Test 3
Group: 1
Verdict: WRONG ANSWER
| input |
|---|
| 100 87 24 21 49 86 85 42 32 ... |
| correct output |
|---|
| 90 |
| user output |
|---|
| 86 |
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: WRONG ANSWER
| input |
|---|
| 100 11 27 54 59 100 90 2 95 ... |
| correct output |
|---|
| 0 |
| user output |
|---|
| 1 |
Test 6
Group: 2
Verdict: WRONG ANSWER
| input |
|---|
| 100000 98276 76171 70684 49183 48756 661 17166 16972 ... |
| correct output |
|---|
| 99997 |
| user output |
|---|
| 99988 |
Test 7
Group: 2
Verdict: WRONG ANSWER
| input |
|---|
| 100000 35903 47275 13566 84 58018 42495 57071 4451 ... |
| correct output |
|---|
| 99995 |
| user output |
|---|
| 99990 |
Test 8
Group: 2
Verdict: WRONG ANSWER
| input |
|---|
| 100000 79209 94485 60266 86793 27501 19927 13544 59730 ... |
| correct output |
|---|
| 99000 |
| user output |
|---|
| 98994 |
Test 9
Group: 2
Verdict: WRONG ANSWER
| input |
|---|
| 100000 68402 82703 12892 46068 60013 40753 26168 34434 ... |
| correct output |
|---|
| 90000 |
| user output |
|---|
| 89996 |
Test 10
Group: 2
Verdict: WRONG ANSWER
| input |
|---|
| 100000 37330 74855 54324 45726 61652 15611 79081 47339 ... |
| correct output |
|---|
| 0 |
| user output |
|---|
| 1 |