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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 |
---|---|---|---|---|---|---|---|---|---|
#196003 | #1277. Permutation | 0xyz | WA | 5ms | 4188kb | C++14 | 809b | 2023-10-01 10:48:30 | 2023-10-01 10:48:30 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll _=55,mod=1e9+7;
ll T,n,ans,p,a[_];
map<ll,ll>f;
bool ch(ll s,ll x){
if((s>>x)&1)return 0;
for(ll i=x-1,j=x+1;i>=0&&j<n;i--,j++)
if(((s>>i)&1)^((s>>j)&1))return 0;
return 1;
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
cin>>T;
while(T--){
cin>>n;
ans=1;p=0;
for(ll i=0;i<n;i++){
cin>>a[i];a[i]--;
if(!~a[i])ans*=++p;
}
f.clear();f[0]=1;
for(auto i:f){
ll x=i.first,y=i.second,z=__builtin_popcount(x);
if(z==n)break;
if(~a[z]){
if(ch(x,a[z]))f[x^(1ll<<a[z])]=(f[x^(1ll<<a[z])]+y)%mod;
}else{
for(ll j=0;j<n;j++)
if(ch(x,j))f[x^(1ll<<j)]=(f[x^(1ll<<j)]+y)%mod;
}
}
cout<<(ans-f[(1ll<<n)-1]+mod)%mod<<'\n';
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 3432kb
input:
2 3 0 0 0 7 1 0 3 0 0 6 0
output:
2 21
result:
ok 2 tokens
Test #2:
score: 0
Accepted
time: 0ms
memory: 3408kb
input:
50 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
output:
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
result:
ok 50 tokens
Test #3:
score: 0
Accepted
time: 1ms
memory: 3468kb
input:
25 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0
output:
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
result:
ok 25 tokens
Test #4:
score: 0
Accepted
time: 0ms
memory: 3428kb
input:
16 3 0 0 0 3 0 0 0 3 0 0 0 3 0 0 0 3 0 0 0 3 0 0 0 3 0 0 0 3 0 0 0 3 0 0 0 3 0 0 0 3 0 0 0 3 0 0 0 3 0 0 0 3 0 0 0 3 0 0 0 3 0 0 0
output:
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
result:
ok 16 tokens
Test #5:
score: 0
Accepted
time: 1ms
memory: 3488kb
input:
5 10 0 0 0 0 0 0 0 0 0 0 10 0 0 0 0 0 0 0 0 0 0 10 0 0 0 0 0 0 0 0 0 0 10 0 0 0 0 0 0 0 0 0 0 10 0 0 0 0 0 0 0 0 0 0
output:
3627734 3627734 3627734 3627734 3627734
result:
ok 5 tokens
Test #6:
score: 0
Accepted
time: 0ms
memory: 3448kb
input:
4 11 0 10 11 6 1 0 8 0 0 3 5 11 0 0 0 10 8 5 4 1 0 2 9 11 0 4 0 3 11 0 0 0 7 8 1 11 0 8 0 3 9 0 0 0 7 4 0
output:
24 24 120 720
result:
ok 4 tokens
Test #7:
score: 0
Accepted
time: 0ms
memory: 3440kb
input:
4 12 0 0 11 0 0 6 1 0 4 0 5 8 12 7 0 10 11 4 6 1 8 0 12 0 0 12 0 12 0 0 0 0 5 0 1 0 10 11 12 0 0 4 3 9 12 2 5 1 10 6 0
output:
720 24 5040 6
result:
ok 4 tokens
Test #8:
score: 0
Accepted
time: 1ms
memory: 3524kb
input:
3 13 0 13 6 3 0 11 0 0 0 0 1 2 0 13 9 0 0 0 0 0 8 0 5 7 0 12 0 13 0 0 0 0 0 0 3 10 2 9 0 12 0
output:
5040 40320 40320
result:
ok 3 tokens
Test #9:
score: 0
Accepted
time: 1ms
memory: 3432kb
input:
3 14 0 12 10 9 0 0 11 0 0 1 6 4 8 13 14 0 0 8 0 0 9 14 3 0 0 6 2 0 0 14 13 0 8 0 0 0 0 0 14 7 4 6 0 3
output:
120 40320 5040
result:
ok 3 tokens
Test #10:
score: 0
Accepted
time: 1ms
memory: 3548kb
input:
3 15 8 7 12 14 6 0 0 9 4 0 1 0 0 0 2 15 5 0 0 9 0 7 15 0 13 4 11 0 0 0 2 15 0 0 0 2 0 0 7 0 0 8 0 13 14 10 3
output:
720 5040 40320
result:
ok 3 tokens
Test #11:
score: 0
Accepted
time: 5ms
memory: 4188kb
input:
2 20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
output:
143388927 143388927
result:
ok 2 tokens
Test #12:
score: -100
Wrong Answer
time: 4ms
memory: 3988kb
input:
1 30 21 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:
-713594379
result:
wrong answer 1st words differ - expected: '586750519', found: '-713594379'