QOJ.ac
QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #371712 | #7786. Graft and Transplant | comeintocalm# | WA | 0ms | 3796kb | C++17 | 362b | 2024-03-30 15:08:56 | 2024-03-30 15:08:57 |
Judging History
answer
#include <bits/stdc++.h>
int main() {
int n;
std::cin >> n;
std::vector<int> deg(n + 1);
for (int i = 1; i < n; ++i) {
int u, v;
std::cin >> u >> v;
++deg[u], ++deg[v];
}
int cnt = 0;
for (int i = 1; i <= n; ++i)
if (deg[i] > 1)
++cnt;
puts(cnt & 1 ? "Bob" : "Alice");
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3556kb
input:
4 1 2 2 3 3 4
output:
Alice
result:
ok "Alice"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3796kb
input:
4 1 2 1 3 1 4
output:
Bob
result:
ok "Bob"
Test #3:
score: -100
Wrong Answer
time: 0ms
memory: 3568kb
input:
2 1 2
output:
Alice
result:
wrong answer 1st words differ - expected: 'Bob', found: 'Alice'