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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#829482#8948. 报复社会275307894a#0 1ms7952kbC++141.6kb2024-12-24 10:23:092024-12-24 10:23:10

Judging History

This is the latest submission verdict.

  • [2024-12-24 10:23:10]
  • Judged
  • Verdict: 0
  • Time: 1ms
  • Memory: 7952kb
  • [2024-12-24 10:23:09]
  • Submitted

answer

#include<bits/stdc++.h>
#define Gc() getchar()
#define Me(x,y) memset(x,y,sizeof(x))
#define Mc(x,y) memcpy(x,y,sizeof(x))
#define d(x,y) ((m)*(x-1)+(y))
#define R(n) (rnd()%(n)+1)
#define Pc(x) putchar(x)
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define eb emplace_back
#define all(x) x.begin(),x.end()
using namespace std;using ll=long long;using db=double;using lb=long db;using ui=unsigned;using ull=unsigned long long;using pii=pair<int,int>;
const int N=5e5+5,M=(1<<20)+5,K=1000+5,mod=998244353,Mod=mod-1;const db eps=1e-9;const int INF=1e9+7;mt19937 rnd(28382);
#define Tp template<typename T>
#define Ts template<typename T,typename... Ar>
namespace Debug{
	Tp void _debug(char* f,T t){cerr<<f<<'='<<t<<endl;}
	Ts void _debug(char* f,T x,Ar... y){while(*f!=',') cerr<<*f++;cerr<<'='<<x<<",";_debug(f+1,y...);}
	#ifdef LOCAL
	#define gdb(...) _debug((char*)#__VA_ARGS__,__VA_ARGS__)
	#else 
	#define gdb(...) void()
	#endif
}using namespace Debug;
int n,p[N],col[N];
int vis[N];
int dfs(int msk){
	gdb(msk);
	if(~vis[msk]) return vis[msk];
	int v=__builtin_popcount(msk);
	if(v==n-1){
		for(int i=1;i<=n;i++) if(~msk>>i-1&1) return vis[msk]=col[i];
	}
	v&=1;
	for(int i=1;i<=n;i++) if(~msk>>i-1&1&&(i==1||msk>>p[i]-1&1)){
		if(dfs(msk|(1<<i-1))==v) return vis[msk]=v;
	}
	return vis[msk]=v^1;
}
void Solve(){
	scanf("%d",&n);
	for(int i=2;i<=n;i++) scanf("%d",&p[i]);
	for(int i=1;i<=n;i++) scanf("%d",&col[i]);
	fill(vis,vis+(1<<n),-1);
	puts(dfs(0)?"Bob":"Alice");
}
int main(){
	int t=1;
	scanf("%d",&t);
	while(t--) Solve();
	cerr<<clock()*1.0/CLOCKS_PER_SEC<<'\n';
}

Details

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Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 1ms
memory: 7952kb

input:

1
19
1 2 3 3 2 6 7 7 6 6 6 2 2 2 1 1 1 1
0 0 0 0 0 0 0 1 1 0 0 1 1 1 1 0 0 0 0

output:

Alice

result:

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

Subtask #2:

score: 0
Runtime Error

Test #50:

score: 0
Runtime Error

input:

10000
49
1 2 2 1 5 5 5 5 5 5 1 12 12 12 12 12 12 1 19 19 19 19 19 19 19 1 27 27 1 1 31 1 33 33 33 33 33 33 33 1 1 1 1 1 1 1 1 1
0 0 0 0 1 1 1 1 1 1 1 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 0 1 0 1 1 1 1 1 1 1 1 1 1
50
1 2 2 2 2 2 1 8 8 8 1 12 1 1 15 15 15 15 1 1 21 21 21 21 1 26 1 1 29 29...

output:


result:


Subtask #3:

score: 0
Runtime Error

Test #73:

score: 0
Runtime Error

input:

10000
50
1 2 1 4 5 6 5 4 9 4 11 4 1 14 15 16 16 16 15 14 21 21 21 14 14 14 14 14 1 30 30 30 30 30 1 36 37 37 37 36 41 41 41 36 1 1 1 1 1
0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1 1 0 1 1 1 1 1 1 1 1 0 1 0 1 0 1 0 0 0 0 1 0 0 0 0 1 1 0 1 0 1
50
1 2 3 4 5 4 7 8 7 4 11 12 11 14 11 16 11 18 11 4 21 4 4 4 3 ...

output:


result:


Subtask #4:

score: 0
Skipped

Dependency #1:

0%