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 |
|---|---|---|---|---|---|---|---|---|---|
| #811160 | #9871. Just another Sorting Problem | ucup-team1525# | WA | 0ms | 3764kb | C++20 | 711b | 2024-12-12 15:57:54 | 2024-12-12 15:58:04 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
using ll=long long;
const int N=1e5;
int n;
char s[10];
int p[N+5];
void solve(){
scanf("%d",&n);
scanf("%s",s);
for(int i=1;i<=n;i++)
scanf("%d",&p[i]);
if(n==2){
puts("Alice");
return;
}
int c=0;
static bool vis[N+5];
fill(vis,vis+n+1,0);
for(int i=1;i<=n;i++){
if(!vis[i]){
vis[i]=1;
for(int j=p[i];!vis[j];j=p[j])
vis[j]=1;
c++;
}
}
if(c==n-1&&s[0]=='A')
puts("Alice");
else
puts("Bob");
}
int main(){
int t; scanf("%d",&t);
while(t--) solve();
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3624kb
input:
3 2 Alice 2 1 3 Bob 1 3 2 10 Bob 1 2 3 4 5 6 7 8 10 9
output:
Alice Bob Bob
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 0ms
memory: 3716kb
input:
2 2 Alice 2 1 2 Bob 2 1
output:
Alice Alice
result:
ok 2 lines
Test #3:
score: -100
Wrong Answer
time: 0ms
memory: 3764kb
input:
10 3 Bob 2 3 1 3 Alice 3 1 2 3 Bob 3 1 2 3 Alice 1 3 2 3 Alice 3 2 1 3 Bob 2 1 3 3 Bob 1 3 2 3 Alice 2 1 3 3 Alice 2 3 1 3 Bob 3 2 1
output:
Bob Bob Bob Alice Alice Bob Bob Alice Bob Bob
result:
wrong answer 1st lines differ - expected: 'Alice', found: 'Bob'