CSES - NOI 2019 Open

Submission details
Task:	Distance Code
Sender:	Lorenzo
Submission time:	2019-03-10 10:18:04 +0200
Language:	C++
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	WRONG ANSWER	0
#3	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.02 s	1, 2, 3	details
#2	WRONG ANSWER	0.03 s	1, 2, 3	details
#3	WRONG ANSWER	0.03 s	1, 2, 3	details
#4	WRONG ANSWER	0.03 s	1, 2, 3	details
#5	WRONG ANSWER	0.03 s	1, 2, 3	details
#6	WRONG ANSWER	0.02 s	1, 2, 3	details
#7	WRONG ANSWER	0.01 s	1, 2, 3	details
#8	WRONG ANSWER	0.02 s	1, 2, 3	details
#9	WRONG ANSWER	0.01 s	1, 2, 3	details
#10	WRONG ANSWER	0.02 s	1, 2, 3	details
#11	WRONG ANSWER	0.03 s	1, 2, 3	details
#12	WRONG ANSWER	0.02 s	2, 3	details
#13	WRONG ANSWER	0.02 s	2, 3	details
#14	WRONG ANSWER	0.01 s	2, 3	details
#15	WRONG ANSWER	0.01 s	2, 3	details
#16	TIME LIMIT EXCEEDED	--	3	details
#17	TIME LIMIT EXCEEDED	--	3	details
#18	WRONG ANSWER	0.03 s	3	details
#19	WRONG ANSWER	0.04 s	3	details
#20	WRONG ANSWER	0.02 s	1, 2, 3	details

Compiler report

input/code.cpp: In function 'void encoder()':
input/code.cpp:34:15: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized]
           ne[j]--;
               ^

Code

#include <bits/stdc++.h>

using namespace std;

int n;

void encoder(){
  std::vector<int> ne (n, 0);
  std::vector<std::vector<pair<int, int> > > e (n);
  int a, b;
  for(int i=0; i<n-1; i++){
    cin >> a >> b;
    a--;
    b--;
    e[a].push_back({b, 1});
    e[b].push_back({a, 1});
    ne[a]++;
    ne[b]++;
  }
//  cout << "in"<<endl;
  int c=0;
  while (c<n) {
    for(int i=0; i<n; i++)
      if(ne[i]<=1){
        cout << i+1<< " ";
        c++;
        if(ne[i]==1){
          int j;
          for(auto &x: e[i])
            if(x.second){
              j=x.first;
              break;
            }
          ne[j]--;
          for(auto &x: e[j])
            if(x.second && x.first==i){
              x.second=0;
              break;
            }
        }
        ne[i]=n;
      }
  }
  cout << endl;
}

void decoder(){
  std::vector<std::vector<int> > e(n);
  std::vector<int> d(n-1, 0);
  int a;
  for(int i=0; i<n-1; i++){
    cin >> a;
    d[i]+=a;
    if(d[i]==1){
      e[i].push_back(i+1);
      e[i+1].push_back(i);
      d[i]=0;
    }
  }
  int c=1;
  while(c){
    c=0;
    for(int i=0; i<n-1; i++){
      if(d[i]==1){
        e[i].push_back(i+1);
        e[i+1].push_back(i);
        d[i]=0;
      }
    }
  }

}

int main(){
  ios_base::sync_with_stdio(false);
  int t;
  cin >> t >> n;
  if(t==1)
    encoder();
  else
    decoder();
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
`1 2 2 1` view save

correct output
(empty)

user output
(empty)

Test 2

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`1 3 3 1 2 1` view save

correct output
(empty)

user output
(empty)

Test 3

Group: 1, 2, 3

Verdict: WRONG ANSWER

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

correct output
(empty)

user output
(empty)

Test 4

Group: 1, 2, 3

Verdict: WRONG ANSWER

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

correct output
(empty)

user output
(empty)

Test 5

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`1 5 3 5 4 1 1 3 ...` view save

correct output
(empty)

user output
(empty)

Test 6

Group: 1, 2, 3

Verdict: WRONG ANSWER

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

correct output
(empty)

user output
(empty)

Test 7

Group: 1, 2, 3

Verdict: WRONG ANSWER

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

correct output
(empty)

user output
(empty)

Test 8

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`1 10 9 3 8 9 2 9 ...` view save

correct output
(empty)

user output
(empty)

Test 9

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`1 10 9 2 5 8 7 1 ...` view save

correct output
(empty)

user output
(empty)

Test 10

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`1 10 10 4 9 1 4 7 ...` view save

correct output
(empty)

user output
(empty)

Test 11

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`1 10 2 6 4 3 3 5 ...` view save

correct output
(empty)

user output
(empty)

Test 12

Group: 2, 3

Verdict: WRONG ANSWER

input
`1 500 10 6 6 255 6 428 ...` view save

correct output
(empty)

user output
(empty)

Test 13

Group: 2, 3

Verdict: WRONG ANSWER

input
`1 500 152 466 451 313 158 479 ...` view save

correct output
(empty)

user output
(empty)

Test 14

Group: 2, 3

Verdict: WRONG ANSWER

input
`1 500 109 440 330 190 443 161 ...` view save

correct output
(empty)

user output
(empty)

Test 15

Group: 2, 3

Verdict: WRONG ANSWER

input
`1 500 144 373 257 233 341 318 ...` view save

correct output
(empty)

user output
(empty)

Test 16

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`1 100000 54983 75172 93807 75172 44082 75172 ...` view save

correct output
(empty)

user output
(empty)

Test 17

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`1 100000 88863 19059 86423 76688 98536 95984 ...` view save

correct output
(empty)

user output
(empty)

Test 18

Group: 3

Verdict: WRONG ANSWER

input
`1 100000 59979 6389 19097 24999 27846 82330 ...` view save

correct output
(empty)

user output
(empty)

Test 19

Group: 3

Verdict: WRONG ANSWER

input
`1 100000 58761 66001 25102 51081 98625 67861 ...` view save

correct output
(empty)

user output
(empty)

Test 20

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`1 6 2 1 3 2 4 2 ...` view save

correct output
(empty)

user output
(empty)

NOI 2019 Open

Distance Code

Compiler report

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

Tasks

Submissions (Lorenzo)