Task: | Tietoverkko |
Sender: | Ilmari2000 |
Submission time: | 2018-01-18 13:10:51 +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 | 0.05 s | 1 | details |
#2 | WRONG ANSWER | 0.05 s | 1 | details |
#3 | WRONG ANSWER | 0.06 s | 1 | details |
#4 | WRONG ANSWER | 0.05 s | 1 | details |
#5 | ACCEPTED | 0.05 s | 1 | details |
#6 | WRONG ANSWER | 0.14 s | 2 | details |
#7 | WRONG ANSWER | 0.16 s | 2 | details |
#8 | WRONG ANSWER | 0.15 s | 2 | details |
#9 | WRONG ANSWER | 0.14 s | 2 | details |
#10 | ACCEPTED | 0.16 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;vector<bool> been;nodes.resize(n);c.resize(n, 0);been.resize(n, false);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;been[i] = true;while(nodes[p].size() == 2 && !been[p]){been[p] = true;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 |
---|
70545 |
Test 7
Group: 2
Verdict: WRONG ANSWER
input |
---|
100000 35903 47275 13566 84 58018 42495 57071 4451 ... |
correct output |
---|
99995 |
user output |
---|
70581 |
Test 8
Group: 2
Verdict: WRONG ANSWER
input |
---|
100000 79209 94485 60266 86793 27501 19927 13544 59730 ... |
correct output |
---|
99000 |
user output |
---|
70523 |
Test 9
Group: 2
Verdict: WRONG ANSWER
input |
---|
100000 68402 82703 12892 46068 60013 40753 26168 34434 ... |
correct output |
---|
90000 |
user output |
---|
69210 |
Test 10
Group: 2
Verdict: ACCEPTED
input |
---|
100000 37330 74855 54324 45726 61652 15611 79081 47339 ... |
correct output |
---|
0 |
user output |
---|
0 |