QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #584585 | #8134. LCA Counting | ucup-team3519# | WA | 0ms | 3776kb | C++20 | 667b | 2024-09-23 15:28:01 | 2024-09-23 15:28:01 |
Judging History
answer
#include <bits/stdc++.h>
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int n;
std::cin >> n;
std::vector<int> deg(n + 1);
for (int i = 2; i <= n; ++i) {
int p;
std::cin >> p;
deg[p] += 1;
}
int L = 0, lca = 0;
for (int i = 1; i <= n; ++i) {
if (deg[i] == 0) {
++L;
}
if (deg[i] >= 2) {
++lca;
}
}
int ans = 0;
for (int i = 1; i <= L; ++i) {
++ans;
if (i >= 2 && lca) {
--lca;
++ans;
}
std::cout << ans << ' ';
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3616kb
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: 0ms
memory: 3548kb
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: 0ms
memory: 3744kb
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: 0ms
memory: 3776kb
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: 0ms
memory: 3616kb
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 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 12...
result:
wrong answer 5th numbers differ - expected: '8', found: '9'