QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #313810 | #8134. LCA Counting | ucup-team093# | WA | 1ms | 5720kb | C++20 | 675b | 2024-01-25 00:01:55 | 2024-01-25 00:01:55 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10;
int n, l;
vector<int> g[N];
int dfs(int u) {
if(g[u].empty()) {
l ++;
return 0;
}
int fi = -1, se = -1;
for(int v : g[u]) {
se = max(se, dfs(v));
if(se > fi) swap(se, fi);
}
return fi + se + 1;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cin >> n;
for(int i = 2, p; i <= n; i ++) {
cin >> p;
g[p].push_back(i);
}
int h = dfs(1);
for(int i = 1, ans = 1; i <= l; i ++, ans ++) {
cout << ans << " \n"[i == l];
if(i <= h) ans ++;
}
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3560kb
input:
7 1 1 2 4 2 2
output:
1 3 5 6
result:
ok 4 number(s): "1 3 5 6"
Test #2:
score: 0
Accepted
time: 1ms
memory: 3612kb
input:
10 1 1 2 2 1 1 1 2 4
output:
1 3 5 6 7 8 9
result:
ok 7 numbers
Test #3:
score: 0
Accepted
time: 1ms
memory: 3592kb
input:
10 1 2 2 4 5 6 1 2 4
output:
1 3 5 7 8
result:
ok 5 number(s): "1 3 5 7 8"
Test #4:
score: 0
Accepted
time: 1ms
memory: 5720kb
input:
10 1 2 3 3 3 5 6 4 9
output:
1 3 4
result:
ok 3 number(s): "1 3 4"
Test #5:
score: -100
Wrong Answer
time: 1ms
memory: 3572kb
input:
1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 4 1 2 2 1 1 1 1 2 1 1 1 1 2 2 1 1 1 1 1 6 3 1 1 1 2 2 1 1 2 1 2 1 3 1 2 1 1 2 1 1 1 1 1 1 1 4 1 5 1 1 1 1 1 2 1 1 2 1 2 1 2 5 3 1 3 1 1 2 1 2 1 1 3 2 1 6 2 1 2 5 1 1 1 3 2 1 2 1 1 1 1 1...
output:
1 3 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 10...
result:
wrong answer 6th numbers differ - expected: '10', found: '9'