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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
#360935#4896. Alice、Bob 与 DFSdengtingyu0 2ms7872kbC++20814b2024-03-22 16:16:222024-03-22 16:16:23

Judging History

你现在查看的是最新测评结果

  • [2024-03-22 16:16:23]
  • 评测
  • 测评结果:0
  • 用时:2ms
  • 内存:7872kb
  • [2024-03-22 16:16:22]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define N 200100
ll n;
ll val[N];ll col[N];
vector<ll>e[N];
int main(){
    // freopen("test1.in","r",stdin);
    ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    cin>>n;for(int i=1;i<=n;i++)cin>>col[i];for(int i=1;i<=n;i++){ll x;cin>>x;for(int j=1,u;j<=x;j++)cin>>u,e[i].push_back(u);}
    ll k;cin>>k;for(int i=1,x;i<=k;i++)cin>>x;for(int i=n;i>=1;i--){
        val[i]=3;if(col[i]){
            for(auto o:e[i]){
                if(val[i]<=2)break;
                if(val[i]==3)val[i]=val[o];
                else val[i]=((val[o]-1)^1)+1;
            }
        }else{
            for(auto o:e[i])if(val[o]==2||val[o]==3)val[i]=1;
        }
    }if(val[1]==1||val[1]==4)cout<<"Alice";
    else cout<<"Bob";return 0;
}

详细

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 5
Accepted
time: 2ms
memory: 7872kb

input:

1000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

output:

Alice

result:

ok "Alice"

Test #2:

score: -5
Wrong Answer
time: 2ms
memory: 7844kb

input:

1000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

output:

Alice

result:

wrong answer 1st words differ - expected: 'Bob', found: 'Alice'

Subtask #2:

score: 0
Wrong Answer

Test #18:

score: 15
Accepted
time: 1ms
memory: 7792kb

input:

7
0 0 1 1 0 1 1
1 2
2 3 4
0
2 5 6
0
1 7
0
1
1

output:

Bob

result:

ok "Bob"

Test #19:

score: -15
Wrong Answer
time: 1ms
memory: 7768kb

input:

6
0 1 0 0 1 0
2 2 6
3 3 4 5
0
0
0
0
1
1

output:

Alice

result:

wrong answer 1st words differ - expected: 'Bob', found: 'Alice'

Subtask #3:

score: 0
Wrong Answer

Test #55:

score: 15
Accepted
time: 1ms
memory: 5780kb

input:

7
0 0 1 1 0 1 1
1 2
2 3 4
0
2 5 6
0
1 7
0
1
1

output:

Bob

result:

ok "Bob"

Test #56:

score: -15
Wrong Answer
time: 1ms
memory: 5668kb

input:

6
0 1 0 0 1 0
2 2 6
3 3 4 5
0
0
0
0
1
1

output:

Alice

result:

wrong answer 1st words differ - expected: 'Bob', found: 'Alice'

Subtask #4:

score: 0
Wrong Answer

Test #103:

score: 0
Wrong Answer
time: 1ms
memory: 5744kb

input:

10
1 1 1 1 1 1 1 1 1 1
1 2
4 3 5 7 8
1 4
0
1 6
0
0
1 9
1 10
0
1
1

output:

Bob

result:

wrong answer 1st words differ - expected: 'Alice', found: 'Bob'

Subtask #5:

score: 0
Skipped

Dependency #4:

0%

Subtask #6:

score: 0
Skipped

Dependency #1:

0%