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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
#261206#7838. 往日之影275307894a0 3ms4060kbC++141.9kb2023-11-22 19:01:542023-11-22 19:01:55

Judging History

你现在查看的是最新测评结果

  • [2023-11-22 19:01:55]
  • 评测
  • 测评结果:0
  • 用时:3ms
  • 内存:4060kb
  • [2023-11-22 19:01:54]
  • 提交

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
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>;using LL=__int128;
const int N=1e6+5,M=N*4+5,K=(1<<25)+5,mod=1e9+7,Mod=mod-1;const db eps=1e-9;const int INF=1e9+7;mt19937 rnd(time(0));
int p,n,a[4];
struct img{
	ll a,b;
	img operator +(const img &B)const{return (img){(a+B.a)%p,(b+B.b)%p};}
	img operator -(const img &B)const{return (img){(a-B.a)%p,(b-B.b)%p};}
	img operator *(const img &B)const{return (img){(a*B.a-b*B.b)%p,(a*B.b+b*B.a)%p};}
};
img mpow(img x,ll y){img ans=(img){1,0};while(y) y&1&&(ans=ans*x,0),y>>=1,x=x*x;return ans;}
ll mpow(ll x,ll y=p-2){ll ans=1;while(y) y&1&&(ans=ans*x%p),y>>=1,x=x*x%p;return ans;}
int c[4];
ll ans;
void calc(int x,img y){
	for(int i=0;i<4;i++){
		y=y*mpow((img){0,1},a[i]*(4-i)*x);
		c[x]+=a[i];
	}
	for(int i=0;i<4;i++){
		y=y*mpow(mpow((img){0,1},2*i)+(img){1,0},1ll*c[i]*(c[i]-1)/2);
		for(int j=i+1;j<4;j++) y=y*mpow(mpow((img){0,1},i+j)+(img){1,0},1ll*c[i]*c[j]);
	}
	for(int i=0;i<4;i++) c[x]-=a[i];
	ans+=y.a;
}
void dfs(int x,img w){
	if(x==5) return calc(0,w),calc(2,w);
	dfs(x+2,w);
	for(int i=0;i<4;i++) if(a[i]) a[i]--,c[x]++,dfs(x+2,w*(img){a[i]+1,0}*mpow((img){0,1},(4-i)*x)),c[x]--,a[i]++;
}
void Solve(){
	int i,j;scanf("%d",&n);
	for(i=0;i<4;i++) scanf("%d",&a[i]);
	ans=0;dfs(1,(img){1,0});
	printf("%lld\n",(ans%p+p)*mpow(mpow(4,n)*mpow(2,1ll*n*(n-1)/2)%p)%p);
}
int main(){
	int t=1;
	scanf("%d%d",&t,&p);
	while(t--) Solve();
	cerr<<clock()*1.0/CLOCKS_PER_SEC<<'\n';
}

详细

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 10
Accepted
time: 1ms
memory: 3928kb

input:

1 998244353
3
1 1 0 1

output:

0

result:

ok single line: '0'

Test #2:

score: 0
Accepted
time: 1ms
memory: 4020kb

input:

1 998244353
7
0 2 1 4

output:

998069185

result:

ok single line: '998069185'

Test #3:

score: 0
Accepted
time: 0ms
memory: 4060kb

input:

1 998244353
4
0 1 0 3

output:

0

result:

ok single line: '0'

Test #4:

score: -10
Wrong Answer
time: 0ms
memory: 3900kb

input:

1 998244353
2
1 0 1 0

output:

124780544

result:

wrong answer 1st lines differ - expected: '0', found: '124780544'

Subtask #2:

score: 0
Skipped

Dependency #1:

0%

Subtask #3:

score: 0
Skipped

Dependency #2:

0%

Subtask #4:

score: 0
Wrong Answer

Test #23:

score: 0
Wrong Answer
time: 3ms
memory: 3976kb

input:

999 999999001
2
2 0 0 0
3
3 0 0 0
4
4 0 0 0
5
5 0 0 0
6
6 0 0 0
7
7 0 0 0
8
8 0 0 0
9
9 0 0 0
10
10 0 0 0
11
11 0 0 0
12
12 0 0 0
13
13 0 0 0
14
14 0 0 0
15
15 0 0 0
16
16 0 0 0
17
17 0 0 0
18
18 0 0 0
19
19 0 0 0
20
20 0 0 0
21
21 0 0 0
22
22 0 0 0
23
23 0 0 0
24
24 0 0 0
25
25 0 0 0
26
26 0 0 0
27...

output:

374999626
874999126
359374641
919920956
691222454
586081873
33512082
496961574
790501684
206445579
708073277
492142887
486007979
21786019
802052117
198521403
854660059
658779344
904643630
538486221
357736277
949763680
94144464
342842045
695164947
276856011
552666277
813428208
572457238
910726512
177...

result:

wrong answer 1st lines differ - expected: '499999501', found: '374999626'

Subtask #5:

score: 0
Skipped

Dependency #1:

0%