Task: | Mobiles |
Sender: | ArktinenKarpalo |
Submission time: | 2019-03-07 14:49:28 +0200 |
Language: | C++ |
Status: | READY |
Result: | 0 |
group | verdict | score |
---|---|---|
#1 | WRONG ANSWER | 0 |
test | verdict | time | |
---|---|---|---|
#1 | ACCEPTED | 0.04 s | details |
#2 | ACCEPTED | 0.03 s | details |
#3 | ACCEPTED | 0.03 s | details |
#4 | ACCEPTED | 0.03 s | details |
#5 | ACCEPTED | 0.02 s | details |
#6 | WRONG ANSWER | 0.04 s | details |
#7 | WRONG ANSWER | 0.03 s | details |
#8 | ACCEPTED | 0.04 s | details |
#9 | ACCEPTED | 0.03 s | details |
#10 | ACCEPTED | 0.03 s | details |
#11 | ACCEPTED | 0.03 s | details |
#12 | ACCEPTED | 0.02 s | details |
#13 | ACCEPTED | 0.03 s | details |
#14 | ACCEPTED | 0.03 s | details |
#15 | ACCEPTED | 0.03 s | details |
#16 | ACCEPTED | 0.03 s | details |
#17 | ACCEPTED | 0.03 s | details |
#18 | ACCEPTED | 0.03 s | details |
#19 | ACCEPTED | 0.03 s | details |
#20 | ACCEPTED | 0.03 s | details |
#21 | ACCEPTED | 0.03 s | details |
#22 | ACCEPTED | 0.02 s | details |
#23 | ACCEPTED | 0.03 s | details |
#24 | ACCEPTED | 0.03 s | details |
#25 | ACCEPTED | 0.08 s | details |
#26 | ACCEPTED | 0.03 s | details |
#27 | WRONG ANSWER | 0.03 s | details |
#28 | ACCEPTED | 0.03 s | details |
#29 | ACCEPTED | 0.02 s | details |
#30 | WRONG ANSWER | 0.03 s | details |
#31 | WRONG ANSWER | 0.03 s | details |
#32 | ACCEPTED | 0.05 s | details |
#33 | WRONG ANSWER | 0.09 s | details |
#34 | ACCEPTED | 0.09 s | details |
#35 | WRONG ANSWER | 0.07 s | details |
#36 | WRONG ANSWER | 0.07 s | details |
#37 | ACCEPTED | 0.07 s | details |
#38 | ACCEPTED | 0.06 s | details |
#39 | WRONG ANSWER | 0.07 s | details |
#40 | WRONG ANSWER | 0.07 s | details |
#41 | WRONG ANSWER | 0.07 s | details |
#42 | WRONG ANSWER | 0.07 s | details |
Compiler report
input/code.cpp: In function 'void haku2(int)': input/code.cpp:31:7: warning: variable 'ok' set but not used [-Wunused-but-set-variable] bool ok = false; ^~
Code
#include <bits/stdc++.h> #define ll long long #define ull unsigned long long #define ld long double #define N (1<<18) #define M 1000000007 #define P complex<long long> #define X real() #define Y imag() using namespace std; int n, a, b, par[201010], lvl[201010], cnt=2, rs[101010], l[202020], r[202020], lit[202020], rit[202020], ans; vector<int> laps[201010], v, v2; // laps vector<int> taso[202020]; void haku(int s) { if(l[s]) { lvl[l[s]] = lvl[s]+1; haku(l[s]); } if(r[s]) { lvl[r[s]] = lvl[s]+1; haku(r[s]); } v.push_back(s); taso[lvl[s]].push_back(s); } void haku2(int s) { bool ok = false; if(l[s]) { haku2(l[s]); } else { v2.push_back(lvl[s]); ok = true; } if(r[s]) { haku2(r[s]); } else { } } int main() { cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0); cin >> n; rs[1] = 1; for(int i=1; i<=n; i++) { cin >> a >> b; int aS = cnt; if(a != -1) rs[a] = aS; cnt++; int bS = cnt; if(b != -1) rs[b] = bS; cnt++; l[rs[i]] = aS; r[rs[i]] = bS; laps[rs[i]].push_back(aS); laps[rs[i]].push_back(bS); } haku(1); for(int i=200020; i>=0; i--) { for(auto u:taso[i]) { if(l[u]) { lvl[u] = max(lvl[u], lvl[l[u]]); } if(r[u]) { lvl[u] = max(lvl[u], lvl[r[u]]); } } } for(int i=200020; i>=0; i--) { for(auto u:taso[i]) { if(l[u]) { lvl[u] = min(lvl[u], lvl[l[u]]); } if(r[u]) { lvl[u] = min(lvl[u], lvl[r[u]]); } if(l[u] && r[u]) { if(lvl[l[u]] < lvl[r[u]]) { ans++; swap(r[u], l[u]); } } } } haku2(1); bool ok = false; int ed = v2[0]; for(auto u:v2) { if(u != ed) { if(ed-u != 1) { cout << -1; exit(0); } else { if(ok) { cout << -1; exit(0); } else { ok = true; } } } ed = u; } cout << ans << endl; }
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: WRONG ANSWER
input |
---|
4 2 3 -1 -1 4 -1 -1 -1 |
correct output |
---|
1 |
user output |
---|
-1 |
Test 7
Verdict: WRONG ANSWER
input |
---|
4 2 3 -1 -1 -1 4 -1 -1 |
correct output |
---|
2 |
user output |
---|
-1 |
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: ACCEPTED
input |
---|
10 3 2 7 5 4 6 8 10 ... |
correct output |
---|
-1 |
user output |
---|
-1 |
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: WRONG ANSWER
input |
---|
18 2 3 7 6 5 4 11 9 ... |
correct output |
---|
3 |
user output |
---|
-1 |
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 |
---|
-1 |
Test 31
Verdict: WRONG ANSWER
input |
---|
5000 2 3 6 7 5 4 11 14 ... |
correct output |
---|
4 |
user output |
---|
-1 |
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 |
---|
-1 |
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 |
---|
-1 |
Test 36
Verdict: WRONG ANSWER
input |
---|
99999 3 2 7 5 6 4 10 8 ... |
correct output |
---|
5 |
user output |
---|
-1 |
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: WRONG ANSWER
input |
---|
98304 3 2 5 4 7 6 9 8 ... |
correct output |
---|
16 |
user output |
---|
-1 |
Test 40
Verdict: WRONG ANSWER
input |
---|
99989 3 2 5 4 7 6 9 8 ... |
correct output |
---|
15 |
user output |
---|
-1 |
Test 41
Verdict: WRONG ANSWER
input |
---|
99989 2 3 4 5 6 7 8 9 ... |
correct output |
---|
15 |
user output |
---|
-1 |
Test 42
Verdict: WRONG ANSWER
input |
---|
100000 3 2 5 4 7 6 9 8 ... |
correct output |
---|
16 |
user output |
---|
-1 |