CSES - NOI 2019

Submission details
Task:	Thieves and Prisons
Sender:	Gustav Kalander
Submission time:	2019-03-06 15:49:27 +0200
Language:	C++
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	RUNTIME ERROR	0
#2	WRONG ANSWER	0
#3	RUNTIME ERROR	0
#4	WRONG ANSWER	0
#5	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.03 s	2, 4, 5	details
#2	WRONG ANSWER	0.01 s	2, 4, 5	details
#3	RUNTIME ERROR	0.01 s	2, 4, 5	details
#4	RUNTIME ERROR	0.02 s	2, 4, 5	details
#5	RUNTIME ERROR	0.02 s	2, 4, 5	details
#6	WRONG ANSWER	0.03 s	4, 5	details
#7	WRONG ANSWER	0.02 s	4, 5	details
#8	WRONG ANSWER	0.02 s	4, 5	details
#9	RUNTIME ERROR	0.03 s	1, 3, 4, 5	details
#10	RUNTIME ERROR	0.02 s	1, 3, 4, 5	details
#11	RUNTIME ERROR	0.02 s	1, 3, 4, 5	details
#12	RUNTIME ERROR	0.02 s	1, 3, 4, 5	details
#13	RUNTIME ERROR	0.02 s	1, 3, 4, 5	details
#14	RUNTIME ERROR	0.02 s	1, 3, 4, 5	details
#15	ACCEPTED	0.01 s	1, 3, 4, 5	details
#16	WRONG ANSWER	0.02 s	1, 3, 4, 5	details
#17	RUNTIME ERROR	0.01 s	1, 2, 3, 4, 5	details
#18	RUNTIME ERROR	0.01 s	1, 3, 4, 5	details
#19	RUNTIME ERROR	0.02 s	2, 5	details
#20	RUNTIME ERROR	0.01 s	2, 5	details
#21	RUNTIME ERROR	0.01 s	2, 5	details
#22	RUNTIME ERROR	0.01 s	5	details
#23	RUNTIME ERROR	0.03 s	5	details
#24	WRONG ANSWER	0.01 s	3, 4, 5	details
#25	WRONG ANSWER	0.01 s	3, 4, 5	details
#26	WRONG ANSWER	0.01 s	3, 4, 5	details
#27	WRONG ANSWER	0.02 s	3, 4, 5	details
#28	WRONG ANSWER	0.01 s	4, 5	details
#29	WRONG ANSWER	0.03 s	4, 5	details
#30	WRONG ANSWER	0.01 s	4, 5	details
#31	WRONG ANSWER	0.01 s	4, 5	details
#32	WRONG ANSWER	0.01 s	2, 4, 5	details
#33	WRONG ANSWER	0.01 s	2, 4, 5	details
#34	WRONG ANSWER	0.02 s	2, 4, 5	details
#35	WRONG ANSWER	0.02 s	2, 4, 5	details
#36	RUNTIME ERROR	0.02 s	3, 5	details
#37	RUNTIME ERROR	0.01 s	3, 5	details
#38	RUNTIME ERROR	0.02 s	3, 5	details
#39	RUNTIME ERROR	0.03 s	3, 5	details
#40	RUNTIME ERROR	0.01 s	5	details
#41	RUNTIME ERROR	0.02 s	5	details
#42	RUNTIME ERROR	0.02 s	5	details
#43	RUNTIME ERROR	0.02 s	5	details
#44	RUNTIME ERROR	0.02 s	2, 5	details
#45	RUNTIME ERROR	0.03 s	2, 5	details
#46	RUNTIME ERROR	0.02 s	2, 5	details
#47	RUNTIME ERROR	0.03 s	2, 5	details

Code

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pi;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<vi> vvi;
const int inf = 0x3f3f3f3f;
const ll mod1 = 1000000007;
const ll mod2 = 998244353;
#define debug(x) cerr << #x << " = " << x << endl

int n, m;
vvi adj;

void dfs(int node, int parent){
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);

    cin >> n >> m;
    adj = vvi(n);
    for(int i = 0; i < m; i++){
        int u,v;
        cin >> u >> v;
        u--,v--;
        adj[u].push_back(v);
        adj[v].push_back(u);
    }

    for(int i = 0; i < n; i++){
        if(adj[i].size() > 2){
            cout << "IMPOSSIBLE\n";
            return 0;
        }
    }
    
    vi visited(n);
    for(int i = 0; i < n; i++){
        if(adj[i].size() == 1){
            do{
                visited[i] = 1;
                cout << i+1 << " ";
                if(!visited[adj[i][0]]){
                    i = adj[i][0];
                }
                else i = adj[i][1];
            }while(adj[i].size() == 2);
            cout << i+1 << "\n";
            return 0;
        }
    }
}

Test details

Test 1

Group: 2, 4, 5

Verdict: ACCEPTED

input
`1 1 1 C 1` view save

correct output
`1` view save

user output
`1 0` view save

Test 2

Group: 2, 4, 5

Verdict: WRONG ANSWER

input
`1 1 1 O 1` view save

correct output
`IMPOSSIBLE` view save

user output
`1 0` view save

Test 3

Group: 2, 4, 5

Verdict: RUNTIME ERROR

input
`1 1 2 C 1 C 1` view save

correct output
`IMPOSSIBLE` view save

user output
(empty)

Error:

terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Test 4

Group: 2, 4, 5

Verdict: RUNTIME ERROR

input
`1 1 2 C 1 O 1` view save

correct output
`IMPOSSIBLE` view save

user output
(empty)

Error:

terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Test 5

Group: 2, 4, 5

Verdict: RUNTIME ERROR

input
`1 1 2 O 1 C 1` view save

correct output
`IMPOSSIBLE` view save

user output
(empty)

Error:

terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Test 6

Group: 4, 5

Verdict: WRONG ANSWER

input
`2 1 2 C 1 C 2` view save

correct output
`1 1` view save

user output
`2 0` view save

Test 7

Group: 4, 5

Verdict: WRONG ANSWER

input
`2 1 2 C 1 O 1` view save

correct output
`IMPOSSIBLE` view save

user output
`2 0` view save

Test 8

Group: 4, 5

Verdict: WRONG ANSWER

input
`2 1 2 C 1 O 2` view save

correct output
`1 1` view save

user output
`2 0` view save

Test 9

Group: 1, 3, 4, 5

Verdict: RUNTIME ERROR

input
`3 2 5 C 1 C 2 O 3 C 1 ...` view save

correct output
`1 1 1 1 1` view save

user output
(empty)

Test 10

Group: 1, 3, 4, 5

Verdict: RUNTIME ERROR

input
`3 2 5 C 1 C 2 O 3 O 3 ...` view save

correct output
`2 1 2 1 1` view save

user output
(empty)

Test 11

Group: 1, 3, 4, 5

Verdict: RUNTIME ERROR

input
`3 2 5 C 1 C 2 O 3 O 1 ...` view save

correct output
`2 1 2 1 1` view save

user output
(empty)

Test 12

Group: 1, 3, 4, 5

Verdict: RUNTIME ERROR

input
`3 2 5 C 1 C 2 O 1 O 3 ...` view save

correct output
`IMPOSSIBLE` view save

user output
(empty)

Test 13

Group: 1, 3, 4, 5

Verdict: RUNTIME ERROR

input
`3 2 4 C 1 O 2 C 1 O 3` view save

correct output
`1 1 1 1` view save

user output
(empty)

Error:

terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Test 14

Group: 1, 3, 4, 5

Verdict: RUNTIME ERROR

input
`3 2 4 C 1 O 2 C 2 O 1` view save

correct output
`1 1 1 1` view save

user output
(empty)

Error:

terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Test 15

Group: 1, 3, 4, 5

Verdict: ACCEPTED

input
`3 2 3 C 1 C 2 C 3` view save

correct output
`1 1 1` view save

user output
`2 1` view save

Test 16

Group: 1, 3, 4, 5

Verdict: WRONG ANSWER

input
`3 2 3 O 1 C 2 C 3` view save

correct output
`IMPOSSIBLE` view save

user output
`2 1` view save

Test 17

Group: 1, 2, 3, 4, 5

Verdict: RUNTIME ERROR

input
`2 2 7 C 1 O 2 O 2 O 2 ...` view save

correct output
`IMPOSSIBLE` view save

user output
(empty)

Test 18

Group: 1, 3, 4, 5

Verdict: RUNTIME ERROR

input
`4 2 5 C 2 O 3 C 1 O 4 ...` view save

correct output
`1 1 1 1 1` view save

user output
(empty)

Test 19

Group: 2, 5

Verdict: RUNTIME ERROR

input
`100000 100000 100000 C 1 C 2 C 3 C 4 ...` view save

correct output
`50000 49999 49998 49997 49996 ...` view save

user output
(empty)

Test 20

Group: 2, 5

Verdict: RUNTIME ERROR

input
`100000 100000 100000 C 1 C 2 C 3 C 4 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
(empty)

Test 21

Group: 2, 5

Verdict: RUNTIME ERROR

input
`100000 100000 100000 C 1 C 2 C 3 C 4 ...` view save

correct output
`20000 20000 20000 20000 20000 ...` view save

user output
(empty)

Test 22

Group: 5

Verdict: RUNTIME ERROR

input
`100000 100 100000 C 1 C 2 C 3 C 4 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
(empty)

Test 23

Group: 5

Verdict: RUNTIME ERROR

input
`100000 99 100000 C 1 C 2 C 3 C 4 ...` view save

correct output
`IMPOSSIBLE` view save

user output
(empty)

Test 24

Group: 3, 4, 5

Verdict: WRONG ANSWER

input
`500 2 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`499 1` view save

Test 25

Group: 3, 4, 5

Verdict: WRONG ANSWER

input
`500 2 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 ...` view save

user output
`499 1` view save

Test 26

Group: 3, 4, 5

Verdict: WRONG ANSWER

input
`500 2 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 ...` view save

user output
`499 1` view save

Test 27

Group: 3, 4, 5

Verdict: WRONG ANSWER

input
`500 2 500 C 384 O 62 C 387 C 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`499 1` view save

Test 28

Group: 4, 5

Verdict: WRONG ANSWER

input
`500 250 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`251 1` view save

Test 29

Group: 4, 5

Verdict: WRONG ANSWER

input
`500 250 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 2 1 3 ...` view save

user output
`251 1` view save

Test 30

Group: 4, 5

Verdict: WRONG ANSWER

input
`500 250 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 1 3 2 3 3 2 2 2 5 4 2 ...` view save

user output
`251 1` view save

Test 31

Group: 4, 5

Verdict: WRONG ANSWER

input
`500 250 500 C 384 O 62 C 387 C 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`251 1` view save

Test 32

Group: 2, 4, 5

Verdict: WRONG ANSWER

input
`500 500 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`1 -499` view save

Test 33

Group: 2, 4, 5

Verdict: WRONG ANSWER

input
`500 500 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 2 1 3 ...` view save

user output
`1 -499` view save

Test 34

Group: 2, 4, 5

Verdict: WRONG ANSWER

input
`500 500 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 2 1 3 3 3 2 2 2 2 4 5 ...` view save

user output
`1 -499` view save

Test 35

Group: 2, 4, 5

Verdict: WRONG ANSWER

input
`500 500 500 C 384 O 62 C 387 C 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`1 -499` view save

Test 36

Group: 3, 5

Verdict: RUNTIME ERROR

input
`100000 2 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
(empty)

Test 37

Group: 3, 5

Verdict: RUNTIME ERROR

input
`100000 2 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 ...` view save

user output
(empty)

Test 38

Group: 3, 5

Verdict: RUNTIME ERROR

input
`100000 2 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 ...` view save

user output
(empty)

Test 39

Group: 3, 5

Verdict: RUNTIME ERROR

input
`100000 2 100000 C 89384 O 54062 C 85387 C 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
(empty)

Test 40

Group: 5

Verdict: RUNTIME ERROR

input
`100000 50000 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
(empty)

Test 41

Group: 5

Verdict: RUNTIME ERROR

input
`100000 50000 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 3 2 1 ...` view save

user output
(empty)

Test 42

Group: 5

Verdict: RUNTIME ERROR

input
`100000 50000 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 1 3 2 3 3 3 3 3 3 4 5 ...` view save

user output
(empty)

Test 43

Group: 5

Verdict: RUNTIME ERROR

input
`100000 50000 100000 C 89384 O 54062 C 85387 C 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
(empty)

Test 44

Group: 2, 5

Verdict: RUNTIME ERROR

input
`100000 100000 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
(empty)

Test 45

Group: 2, 5

Verdict: RUNTIME ERROR

input
`100000 100000 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 3 2 1 ...` view save

user output
(empty)

Test 46

Group: 2, 5

Verdict: RUNTIME ERROR

input
`100000 100000 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 2 1 3 3 3 3 3 3 4 5 3 ...` view save

user output
(empty)

Test 47

Group: 2, 5

Verdict: RUNTIME ERROR

input
`100000 100000 100000 C 89384 O 54062 C 85387 C 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
(empty)

NOI 2019

Thieves and Prisons

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Test 31

Test 32

Test 33

Test 34

Test 35

Test 36

Test 37

Test 38

Test 39

Test 40

Test 41

Test 42

Test 43

Test 44

Test 45

Test 46

Test 47

Tasks

Submissions (Gustav Kalander)