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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 |
|---|---|---|---|---|---|---|---|---|---|
| #280067 | #7786. Graft and Transplant | ucup-team1525# | WA | 0ms | 3824kb | C++20 | 346b | 2023-12-09 13:42:04 | 2023-12-09 13:42:05 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N=1005;
int n,a[N],ans;
int main()
{
scanf("%d",&n);
for (int i=1,u,v;i<n;++i)
{
scanf("%d%d",&u,&v);
++a[u];
++a[v];
}
for (int i=1;i<=n;++i)
if (a[i]!=1)
++ans;
puts(ans%2?"Bob":"Alice");
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3760kb
input:
4 1 2 2 3 3 4
output:
Alice
result:
ok "Alice"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
4 1 2 1 3 1 4
output:
Bob
result:
ok "Bob"
Test #3:
score: -100
Wrong Answer
time: 0ms
memory: 3580kb
input:
2 1 2
output:
Alice
result:
wrong answer 1st words differ - expected: 'Bob', found: 'Alice'