CSES - NOI 2019

CSES - NOI 2019 - Results

Submission details
Task:	Distance Code
Sender:	Akseli Jussinmäki
Submission time:	2019-03-06 14:09:53 +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	0.02 s	1, 2, 3	details
#2	ACCEPTED	0.01 s	1, 2, 3	details
#3	ACCEPTED	0.02 s	1, 2, 3	details
#4	ACCEPTED	0.02 s	1, 2, 3	details
#5	ACCEPTED	0.01 s	1, 2, 3	details
#6	ACCEPTED	0.03 s	1, 2, 3	details
#7	ACCEPTED	0.02 s	1, 2, 3	details
#8	ACCEPTED	0.02 s	1, 2, 3	details
#9	ACCEPTED	0.02 s	1, 2, 3	details
#10	ACCEPTED	0.02 s	1, 2, 3	details
#11	ACCEPTED	0.03 s	1, 2, 3	details
#12	ACCEPTED	0.04 s	2, 3	details
#13	ACCEPTED	0.03 s	2, 3	details
#14	ACCEPTED	0.03 s	2, 3	details
#15	ACCEPTED	0.02 s	2, 3	details
#16	ACCEPTED	0.15 s	3	details
#17	ACCEPTED	0.11 s	3	details
#18	ACCEPTED	0.12 s	3	details
#19	ACCEPTED	0.07 s	3	details
#20	ACCEPTED	0.03 s	1, 2, 3	details

Code

#include <bits/stdc++.h>
using namespace std;
vector<int> v[200002];
int s[100001]={}, r[100001]={};
int x=1, y=3, a;
void f(int c, int d){
	if (r[c]==1) {
		cout << c << " ";
		a++;
		if (c!=1) return;
	}
	for (auto u:v[c]) if (u!=d) f(u,c);
	if (c!=1) {
		cout << c << " ";
		a++;
	}
}
void g(int c){
	if (c>=1){
		cout << x << " " << y << "\n";
		s[y]=x;
		x=y;
		y++;
		g(c-1);
	}
}
int main(){
	int t, n, b;
	cin >> t >> n;
	if (t==1){
		for (int i=1; i<n; ++i){
			cin >> a >> b;
			r[a]++;
			r[b]++;
			v[a].push_back(b);
			v[b].push_back(a);
		}
		a=0;
		f(1,0);
		if (a<n) cout << 1;
	}
	if (t==2){
		cout << 1 << " " << 2 << "\n";
		s[1]=2;
		for (int i=2; i<=n; ++i){
			cin >> a;
			if (!s[x]) {
				s[x]=y;
				cout << x << " " << y << "\n";
				y++;
			}
			x=s[x];
			if (a!=1) g(a-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 2 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 2 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 3 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 3 4 3 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 4 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 2 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 3 4 4 5 5 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 ...` view save

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 ...` view save

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 4 6 ...` view save

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 ...` view save

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 ...` view save

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 ...` view save

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 4 6 ...` view save

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 ...` view save

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 3 4 3 5 2 6` view save

NOI 2019

Distance Code

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 (Akseli Jussinmäki)