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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#829482 | #8948. 报复社会 | 275307894a# | 0 | 1ms | 7952kb | C++14 | 1.6kb | 2024-12-24 10:23:09 | 2024-12-24 10:23:10 |
Judging History
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%