CSES - NOI 2019 - Results
Submission details
Task:Distance Code
Sender:Akseli Jussinmäki
Submission time:2019-03-06 11:56:32 +0200
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#20.03 s1, 2, 3details
#30.02 s1, 2, 3details
#40.02 s1, 2, 3details
#50.02 s1, 2, 3details
#60.02 s1, 2, 3details
#70.02 s1, 2, 3details
#80.01 s1, 2, 3details
#90.03 s1, 2, 3details
#100.02 s1, 2, 3details
#110.02 s1, 2, 3details
#120.02 s2, 3details
#130.02 s2, 3details
#140.02 s2, 3details
#150.02 s2, 3details
#160.14 s3details
#170.14 s3details
#180.16 s3details
#190.16 s3details
#200.01 s1, 2, 3details

Code

#include <bits/stdc++.h>
using namespace std;
vector<int> v[200002];
int s[100001];
int x;
void f(int a, int b){
	cout << a << " ";
	for (auto u:v[a]) if (u!=b) f(u,a);
}
void g(int a, int b, int c){
	if (a==1) {
		s[c]=b;
		cout << b << " " << c << "\n";
		x=c;
	}
	else g(a-1,s[b],c);
}
int main(){
	int t, n, a, b;
	cin >> t >> n;
	if (t==1){
		for (int i=1; i<n; ++i){
			cin >> a >> b;
			v[a].push_back(b);
			v[b].push_back(a);
		}
		f(1,0);
	}
	if (t==2){
		x=1;
		for (int i=2; i<=n; ++i){
			cin >> a;
			g(a, x, i); 
		}
	}
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
2
2 1

correct output
(empty)

user output
1 2

Test 2

Group: 1, 2, 3

Verdict:

input
1
3
3 1
2 1

correct output
(empty)

user output
1 3 2 

Test 3

Group: 1, 2, 3

Verdict:

input
1
4
3 2
2 1
4 1

correct output
(empty)

user output
1 2 3 4 

Test 4

Group: 1, 2, 3

Verdict:

input
1
4
2 3
3 4
1 3

correct output
(empty)

user output
1 3 2 4 

Test 5

Group: 1, 2, 3

Verdict:

input
1
5
3 5
4 1
1 3
...

correct output
(empty)

user output
1 4 2 3 5 

Test 6

Group: 1, 2, 3

Verdict:

input
1
5
3 2
3 4
5 1
...

correct output
(empty)

user output
1 5 3 2 4 

Test 7

Group: 1, 2, 3

Verdict:

input
1
5
4 3
1 4
4 2
...

correct output
(empty)

user output
1 4 3 2 5 

Test 8

Group: 1, 2, 3

Verdict:

input
1
10
9 3
8 9
2 9
...

correct output
(empty)

user output
1 9 3 8 2 10 7 6 5 4 

Test 9

Group: 1, 2, 3

Verdict:

input
1
10
9 2
5 8
7 1
...

correct output
(empty)

user output
1 7 9 2 3 10 4 6 8 5 

Test 10

Group: 1, 2, 3

Verdict:

input
1
10
10 4
9 1
4 7
...

correct output
(empty)

user output
1 9 8 3 4 10 7 6 2 5 

Test 11

Group: 1, 2, 3

Verdict:

input
1
10
2 6
4 3
3 5
...

correct output
(empty)

user output
1 8 7 5 3 4 2 6 10 9 

Test 12

Group: 2, 3

Verdict:

input
1
500
10 6
6 255
6 428
...

correct output
(empty)

user output
1 6 10 255 428 7 65 157 326 10...

Test 13

Group: 2, 3

Verdict:

input
1
500
152 466
451 313
158 479
...

correct output
(empty)

user output
1 243 433 170 2 254 65 173 324...

Test 14

Group: 2, 3

Verdict:

input
1
500
109 440
330 190
443 161
...

correct output
(empty)

user output
1 20 217 293 21 77 282 111 296...

Test 15

Group: 2, 3

Verdict:

input
1
500
144 373
257 233
341 318
...

correct output
(empty)

user output
1 488 218 70 270 437 494 79 39...

Test 16

Group: 3

Verdict:

input
1
100000
54983 75172
93807 75172
44082 75172
...

correct output
(empty)

user output
1 75172 54983 93807 44082 8482...

Test 17

Group: 3

Verdict:

input
1
100000
88863 19059
86423 76688
98536 95984
...

correct output
(empty)

user output
1 85047 85261 56507 37486 9098...

Test 18

Group: 3

Verdict:

input
1
100000
59979 6389
19097 24999
27846 82330
...

correct output
(empty)

user output
1 60473 41037 35971 63929 3299...

Test 19

Group: 3

Verdict:

input
1
100000
58761 66001
25102 51081
98625 67861
...

correct output
(empty)

user output
1 50013 30351 27295 9592 15260...

Test 20

Group: 1, 2, 3

Verdict:

input
1
6
2 1
3 2
4 2
...

correct output
(empty)

user output
1 2 3 5 6 4