CSES - APIO 2007 - Results
Submission details
Task:Mobiles
Sender:Lieska
Submission time:2019-03-07 18:02:07 +0200
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
Test results
testverdicttime
#1ACCEPTED0.02 sdetails
#2ACCEPTED0.01 sdetails
#3ACCEPTED0.02 sdetails
#4ACCEPTED0.03 sdetails
#5ACCEPTED0.03 sdetails
#6ACCEPTED0.04 sdetails
#7ACCEPTED0.02 sdetails
#8ACCEPTED0.02 sdetails
#9ACCEPTED0.02 sdetails
#10ACCEPTED0.01 sdetails
#11ACCEPTED0.01 sdetails
#12ACCEPTED0.02 sdetails
#13ACCEPTED0.01 sdetails
#14ACCEPTED0.02 sdetails
#15ACCEPTED0.01 sdetails
#16ACCEPTED0.01 sdetails
#17ACCEPTED0.01 sdetails
#18ACCEPTED0.02 sdetails
#19ACCEPTED0.01 sdetails
#20ACCEPTED0.03 sdetails
#21ACCEPTED0.02 sdetails
#220.01 sdetails
#23ACCEPTED0.01 sdetails
#24ACCEPTED0.03 sdetails
#25ACCEPTED0.09 sdetails
#26ACCEPTED0.02 sdetails
#27ACCEPTED0.01 sdetails
#28ACCEPTED0.01 sdetails
#29ACCEPTED0.02 sdetails
#30ACCEPTED0.02 sdetails
#31ACCEPTED0.01 sdetails
#32ACCEPTED0.05 sdetails
#33ACCEPTED0.09 sdetails
#34ACCEPTED0.08 sdetails
#35ACCEPTED0.08 sdetails
#36ACCEPTED0.08 sdetails
#37ACCEPTED0.08 sdetails
#38ACCEPTED0.09 sdetails
#39ACCEPTED0.08 sdetails
#40ACCEPTED0.08 sdetails
#41ACCEPTED0.08 sdetails
#42ACCEPTED0.08 sdetails

Code

#include <iostream>
using namespace std;
int t[100001][2];
int k, l, n, x, e, y;
int g(int a){
	if (a==-1) return 1;
	int v=g(t[a][0]);
	int w=g(t[a][1]);
	if (v<w) y++;
	if (v>2*w || w>2*v) e=1;
	return v+w;
}
int main(){
	cin >> n;
	for (int i=1; i<=n; ++i) {
		cin >> k >> l;
		t[i][0]=k;
		t[i][1]=l;
		if ((k==-1 && l>0) || (k>0 && l==-1) ) x++;
	}
	g(1);
	if (e || x>1) cout << "-1\n";
	else cout << y << "\n";
}

Test details

Test 1

Verdict: ACCEPTED

input
1
-1 -1

correct output
0

user output
0

Test 2

Verdict: ACCEPTED

input
2
2 -1
-1 -1

correct output
0

user output
0

Test 3

Verdict: ACCEPTED

input
2
-1 2
-1 -1

correct output
1

user output
1

Test 4

Verdict: ACCEPTED

input
4
2 3
4 -1
-1 -1
-1 -1

correct output
0

user output
0

Test 5

Verdict: ACCEPTED

input
4
2 3
-1 4
-1 -1
-1 -1

correct output
1

user output
1

Test 6

Verdict: ACCEPTED

input
4
2 3
-1 -1
4 -1
-1 -1

correct output
1

user output
1

Test 7

Verdict: ACCEPTED

input
4
2 3
-1 -1
-1 4
-1 -1

correct output
2

user output
2

Test 8

Verdict: ACCEPTED

input
5
2 3
4 5
-1 -1
-1 -1
...

correct output
0

user output
0

Test 9

Verdict: ACCEPTED

input
5
2 3
4 -1
5 -1
-1 -1
...

correct output
-1

user output
-1

Test 10

Verdict: ACCEPTED

input
5
2 3
4 -1
-1 5
-1 -1
...

correct output
-1

user output
-1

Test 11

Verdict: ACCEPTED

input
5
2 3
-1 4
5 -1
-1 -1
...

correct output
-1

user output
-1

Test 12

Verdict: ACCEPTED

input
5
2 3
-1 4
-1 5
-1 -1
...

correct output
-1

user output
-1

Test 13

Verdict: ACCEPTED

input
5
2 3
-1 -1
4 5
-1 -1
...

correct output
1

user output
1

Test 14

Verdict: ACCEPTED

input
6
2 3
4 5
6 -1
-1 -1
...

correct output
0

user output
0

Test 15

Verdict: ACCEPTED

input
6
2 3
4 5
-1 6
-1 -1
...

correct output
1

user output
1

Test 16

Verdict: ACCEPTED

input
6
2 3
4 -1
5 6
-1 -1
...

correct output
1

user output
1

Test 17

Verdict: ACCEPTED

input
6
2 3
-1 4
5 6
-1 -1
...

correct output
2

user output
2

Test 18

Verdict: ACCEPTED

input
19
2 3
6 5
4 7
-1 -1
...

correct output
-1

user output
-1

Test 19

Verdict: ACCEPTED

input
9
3 2
4 5
-1 -1
6 9
...

correct output
-1

user output
-1

Test 20

Verdict: ACCEPTED

input
4
-1 2
3 4
-1 -1
-1 -1

correct output
-1

user output
-1

Test 21

Verdict: ACCEPTED

input
12
3 2
4 5
-1 6
7 9
...

correct output
-1

user output
-1

Test 22

Verdict:

input
10
3 2
7 5
4 6
8 10
...

correct output
-1

user output
0

Test 23

Verdict: ACCEPTED

input
1000
2 -1
-1 3
4 -1
5 -1
...

correct output
-1

user output
-1

Test 24

Verdict: ACCEPTED

input
10000
2 -1
-1 3
4 -1
5 -1
...

correct output
-1

user output
-1

Test 25

Verdict: ACCEPTED

input
100000
2 -1
-1 3
4 -1
5 -1
...

correct output
-1

user output
-1

Test 26

Verdict: ACCEPTED

input
10
2 3
6 5
7 4
-1 -1
...

correct output
2

user output
2

Test 27

Verdict: ACCEPTED

input
18
2 3
7 6
5 4
11 9
...

correct output
3

user output
3

Test 28

Verdict: ACCEPTED

input
13
3 2
4 5
7 6
-1 -1
...

correct output
-1

user output
-1

Test 29

Verdict: ACCEPTED

input
660
3 2
5 6
7 4
10 8
...

correct output
-1

user output
-1

Test 30

Verdict: ACCEPTED

input
1250
2 3
6 7
5 4
10 14
...

correct output
7

user output
7

Test 31

Verdict: ACCEPTED

input
5000
2 3
6 7
5 4
11 14
...

correct output
4

user output
4

Test 32

Verdict: ACCEPTED

input
32767
2 3
5 4
7 6
13 14
...

correct output
0

user output
0

Test 33

Verdict: ACCEPTED

input
100000
2 3
5 7
4 6
15 14
...

correct output
7

user output
7

Test 34

Verdict: ACCEPTED

input
98348
3 2
7 5
6 4
10 8
...

correct output
-1

user output
-1

Test 35

Verdict: ACCEPTED

input
100000
2 3
5 7
4 6
15 14
...

correct output
7

user output
7

Test 36

Verdict: ACCEPTED

input
99999
3 2
7 5
6 4
10 8
...

correct output
5

user output
5

Test 37

Verdict: ACCEPTED

input
98348
3 2
7 5
6 4
10 8
...

correct output
-1

user output
-1

Test 38

Verdict: ACCEPTED

input
98303
3 2
5 4
7 6
9 8
...

correct output
1

user output
1

Test 39

Verdict: ACCEPTED

input
98304
3 2
5 4
7 6
9 8
...

correct output
16

user output
16

Test 40

Verdict: ACCEPTED

input
99989
3 2
5 4
7 6
9 8
...

correct output
15

user output
15

Test 41

Verdict: ACCEPTED

input
99989
2 3
4 5
6 7
8 9
...

correct output
15

user output
15

Test 42

Verdict: ACCEPTED

input
100000
3 2
5 4
7 6
9 8
...

correct output
16

user output
16