CSES - NOI 2019

Submission details
Task:	Distance Code
Sender:	Henrik Aalto
Submission time:	2019-03-06 23:06:44 +0200
Language:	C++
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	21
#2	ACCEPTED	47
#3	ACCEPTED	32

Test results
test	verdict	time	group
#1	ACCEPTED	0.03 s	1, 2, 3	details
#2	ACCEPTED	0.03 s	1, 2, 3	details
#3	ACCEPTED	0.03 s	1, 2, 3	details
#4	ACCEPTED	0.03 s	1, 2, 3	details
#5	ACCEPTED	0.02 s	1, 2, 3	details
#6	ACCEPTED	0.02 s	1, 2, 3	details
#7	ACCEPTED	0.03 s	1, 2, 3	details
#8	ACCEPTED	0.01 s	1, 2, 3	details
#9	ACCEPTED	0.02 s	1, 2, 3	details
#10	ACCEPTED	0.03 s	1, 2, 3	details
#11	ACCEPTED	0.02 s	1, 2, 3	details
#12	ACCEPTED	0.02 s	2, 3	details
#13	ACCEPTED	0.03 s	2, 3	details
#14	ACCEPTED	0.02 s	2, 3	details
#15	ACCEPTED	0.03 s	2, 3	details
#16	ACCEPTED	0.05 s	3	details
#17	ACCEPTED	0.05 s	3	details
#18	ACCEPTED	0.05 s	3	details
#19	ACCEPTED	0.04 s	3	details
#20	ACCEPTED	0.02 s	1, 2, 3	details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:32:9: warning: unused variable 'l' [-Wunused-variable]
     int l = 1;
         ^
input/code.cpp:13:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int t,n; scanf("%d%d",&t,&n);
            ~~~~~^~~~~~~~~~~~~~
input/code.cpp:16:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       int a,b; scanf("%d%d",&a,&b);
                ~~~~~^~~~~~~~~~~~~~
input/code.cpp:28:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       int x; scanf("%d",&x);
              ~~~~~^~~~~~~~~

Code

#include<bits/stdc++.h>
using namespace std;
const int N = 101010;
vector<int> v[N],ans,p(N);
void d(int s) {
  p[s] = 1;
  for(int u:v[s])
    if(!p[u])
      d(u);
  ans.push_back(s);
}
int main() {
  int t,n; scanf("%d%d",&t,&n);
  if(t == 1) {
    for(int i=2;i<=n;i++) {
      int a,b; scanf("%d%d",&a,&b);
      v[a].push_back(b);
      v[b].push_back(a);
    }
    d(1);
    for(int u:ans)
      printf("%d ",u);
    printf("\n");
  }
  else {
    int d[1<<17];
    for(int i=1;i<=n-1;i++) {
      int x; scanf("%d",&x);
      d[i] = x;
    }
    int ct = 2;
    int l = 1;
    for(int i=n-1;i;--i) {
      int c = ct-1;
      while(d[i] > 1) {
        d[i] --;
        c = p[c];
      }
      p[ct++] = c;
      printf("%d %d\n",c,ct-1);
    }
  } 
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
`1 2 2 1` view save

correct output
(empty)

user output
`1 2` view save

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
`1 3 3 1 2 1` view save

correct output
(empty)

user output
`1 2 1 3` view save

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 1 3 3 4` view save

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 2 3 2 4` view save

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 2 3 1 4 4 5` view save

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 2 3 2 4 1 5` view save

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 2 3 2 4 2 5` view save

Test 8

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 2 3 2 4 2 5 2 6 ...` view save

Test 9

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 2 3 3 4 1 5 5 6 ...` view save

Test 10

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 2 3 3 4 4 5 5 6 ...` view save

Test 11

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 2 3 2 4 4 5 1 6 ...` view save

Test 12

Group: 2, 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 2 3 2 4 2 5 2 6 ...` Truncated

Test 13

Group: 2, 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 2 3 3 4 4 5 5 6 ...` Truncated

Test 14

Group: 2, 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 2 3 3 4 4 5 5 6 ...` Truncated

Test 15

Group: 2, 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 2 3 3 4 4 5 5 6 ...` Truncated

Test 16

Group: 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 2 3 2 4 2 5 2 6 ...` Truncated

Test 17

Group: 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 2 3 3 4 4 5 5 6 ...` Truncated

Test 18

Group: 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 2 3 3 4 4 5 5 6 ...` Truncated

Test 19

Group: 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 2 3 3 4 4 5 5 6 ...` Truncated

Test 20

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
(empty)

user output
`1 2 2 3 2 4 4 5 4 6` view save

NOI 2019

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 (Henrik Aalto)