| Task: | Mobiles |
| Sender: | Lieska |
| Submission time: | 2019-03-07 14:09:38 +0200 |
| Language: | C++ |
| Status: | READY |
| Result: | 0 |
| group | verdict | score |
|---|---|---|
| #1 | WRONG ANSWER | 0 |
| test | verdict | time | |
|---|---|---|---|
| #1 | ACCEPTED | 0.02 s | details |
| #2 | WRONG ANSWER | 0.02 s | details |
| #3 | ACCEPTED | 0.01 s | details |
| #4 | WRONG ANSWER | 0.02 s | details |
| #5 | WRONG ANSWER | 0.01 s | details |
| #6 | WRONG ANSWER | 0.02 s | details |
| #7 | ACCEPTED | 0.02 s | details |
| #8 | WRONG ANSWER | 0.03 s | details |
| #9 | ACCEPTED | 0.03 s | details |
| #10 | ACCEPTED | 0.02 s | details |
| #11 | ACCEPTED | 0.02 s | details |
| #12 | ACCEPTED | 0.02 s | details |
| #13 | ACCEPTED | 0.02 s | details |
| #14 | WRONG ANSWER | 0.03 s | details |
| #15 | WRONG ANSWER | 0.02 s | details |
| #16 | WRONG ANSWER | 0.01 s | details |
| #17 | ACCEPTED | 0.02 s | details |
| #18 | ACCEPTED | 0.02 s | details |
| #19 | ACCEPTED | 0.02 s | details |
| #20 | ACCEPTED | 0.02 s | details |
| #21 | ACCEPTED | 0.02 s | details |
| #22 | WRONG ANSWER | 0.02 s | details |
| #23 | ACCEPTED | 0.01 s | details |
| #24 | ACCEPTED | 0.04 s | details |
| #25 | ACCEPTED | 0.09 s | details |
| #26 | WRONG ANSWER | 0.02 s | details |
| #27 | WRONG ANSWER | 0.01 s | details |
| #28 | ACCEPTED | 0.01 s | details |
| #29 | ACCEPTED | 0.02 s | details |
| #30 | WRONG ANSWER | 0.01 s | details |
| #31 | WRONG ANSWER | 0.03 s | details |
| #32 | ACCEPTED | 0.04 s | details |
| #33 | WRONG ANSWER | 0.09 s | details |
| #34 | ACCEPTED | 0.08 s | details |
| #35 | WRONG ANSWER | 0.08 s | details |
| #36 | WRONG ANSWER | 0.08 s | details |
| #37 | ACCEPTED | 0.08 s | details |
| #38 | ACCEPTED | 0.07 s | details |
| #39 | ACCEPTED | 0.08 s | details |
| #40 | ACCEPTED | 0.08 s | details |
| #41 | ACCEPTED | 0.07 s | details |
| #42 | ACCEPTED | 0.09 s | details |
Code
#include <bits/stdc++.h>
using namespace std;
int t[100001][2], r[100001][2];
int b=0, d=0, y=0;
void f(int a, int c){
if (a==-1) {
if (b==0) {
b=c;
d=1;
}
else if (c==b+1){
if (d!=2 && d!=1) d=4;
else d=2;
}
else if (c==b-1){
if (d!=1 && d!=3) d=4;
else d=3;
}
else if (c!=b) d=4;
}
else {
f(t[a][0], c+1);
f(t[a][1], c+1);
}
}
int g(int a){
if (a==-1) return 1;
else {
r[a][0]=g(t[a][0]);
r[a][1]=g(t[a][1]);
if (r[a][0]!=r[a][1]) y++;
return r[a][0]+r[a][1];
}
}
int main(){
int a, b, n, x=0;
cin >> n;
for (int i=1; i<=n; ++i) {
cin >> a >> b;
t[i][0]=a;
t[i][1]=b;
if ((a==-1 && b!=-1) || (a!=-1 && b==-1) ) x++;
}
f(1, 1);
if (d==4 || x>1) cout << "-1";
else if (d==1) cout << "0";
else{
g(1);
cout << y;
}
}Test details
Test 1
Verdict: ACCEPTED
| input |
|---|
| 1 -1 -1 |
| correct output |
|---|
| 0 |
| user output |
|---|
| 0 |
Test 2
Verdict: WRONG ANSWER
| input |
|---|
| 2 2 -1 -1 -1 |
| correct output |
|---|
| 0 |
| user output |
|---|
| 1 |
Test 3
Verdict: ACCEPTED
| input |
|---|
| 2 -1 2 -1 -1 |
| correct output |
|---|
| 1 |
| user output |
|---|
| 1 |
Test 4
Verdict: WRONG ANSWER
| input |
|---|
| 4 2 3 4 -1 -1 -1 -1 -1 |
| correct output |
|---|
| 0 |
| user output |
|---|
| 2 |
Test 5
Verdict: WRONG ANSWER
| input |
|---|
| 4 2 3 -1 4 -1 -1 -1 -1 |
| correct output |
|---|
| 1 |
| user output |
|---|
| 2 |
Test 6
Verdict: WRONG ANSWER
| input |
|---|
| 4 2 3 -1 -1 4 -1 -1 -1 |
| correct output |
|---|
| 1 |
| user output |
|---|
| 2 |
Test 7
Verdict: ACCEPTED
| input |
|---|
| 4 2 3 -1 -1 -1 4 -1 -1 |
| correct output |
|---|
| 2 |
| user output |
|---|
| 2 |
Test 8
Verdict: WRONG ANSWER
| input |
|---|
| 5 2 3 4 5 -1 -1 -1 -1 ... |
| correct output |
|---|
| 0 |
| user output |
|---|
| 1 |
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: WRONG ANSWER
| input |
|---|
| 6 2 3 4 5 6 -1 -1 -1 ... |
| correct output |
|---|
| 0 |
| user output |
|---|
| 2 |
Test 15
Verdict: WRONG ANSWER
| input |
|---|
| 6 2 3 4 5 -1 6 -1 -1 ... |
| correct output |
|---|
| 1 |
| user output |
|---|
| 2 |
Test 16
Verdict: WRONG ANSWER
| input |
|---|
| 6 2 3 4 -1 5 6 -1 -1 ... |
| correct output |
|---|
| 1 |
| user output |
|---|
| 2 |
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: WRONG ANSWER
| input |
|---|
| 10 3 2 7 5 4 6 8 10 ... |
| correct output |
|---|
| -1 |
| user output |
|---|
| 4 |
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: WRONG ANSWER
| input |
|---|
| 10 2 3 6 5 7 4 -1 -1 ... |
| correct output |
|---|
| 2 |
| user output |
|---|
| 3 |
Test 27
Verdict: WRONG ANSWER
| input |
|---|
| 18 2 3 7 6 5 4 11 9 ... |
| correct output |
|---|
| 3 |
| user output |
|---|
| 4 |
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: WRONG ANSWER
| input |
|---|
| 1250 2 3 6 7 5 4 10 14 ... |
| correct output |
|---|
| 7 |
| user output |
|---|
| 10 |
Test 31
Verdict: WRONG ANSWER
| input |
|---|
| 5000 2 3 6 7 5 4 11 14 ... |
| correct output |
|---|
| 4 |
| user output |
|---|
| 12 |
Test 32
Verdict: ACCEPTED
| input |
|---|
| 32767 2 3 5 4 7 6 13 14 ... |
| correct output |
|---|
| 0 |
| user output |
|---|
| 0 |
Test 33
Verdict: WRONG ANSWER
| input |
|---|
| 100000 2 3 5 7 4 6 15 14 ... |
| correct output |
|---|
| 7 |
| user output |
|---|
| 16 |
Test 34
Verdict: ACCEPTED
| input |
|---|
| 98348 3 2 7 5 6 4 10 8 ... |
| correct output |
|---|
| -1 |
| user output |
|---|
| -1 |
Test 35
Verdict: WRONG ANSWER
| input |
|---|
| 100000 2 3 5 7 4 6 15 14 ... |
| correct output |
|---|
| 7 |
| user output |
|---|
| 16 |
Test 36
Verdict: WRONG ANSWER
| input |
|---|
| 99999 3 2 7 5 6 4 10 8 ... |
| correct output |
|---|
| 5 |
| user output |
|---|
| 11 |
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 |