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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 |
---|---|---|---|---|---|---|---|---|---|
#432735 | #7838. 往日之影 | xlwang | 0 | 8ms | 3772kb | C++14 | 3.0kb | 2024-06-07 16:19:04 | 2024-06-07 16:19:05 |
answer
#include<bits/stdc++.h>
#define ll long long
#define fr(i,j,k) for(register int i=j;i<=k;++i)
#define rf(i,j,k) for(register int i=j;i>=k;--i)
#define foredge(i,j) for(register int i=head[j];i;i=e[i].nxt)
#define pb push_back
#define Times printf("Time:%.3lf\n",clock()/CLOCKS_PER_SEC)
#define pii pair<int,int>
#define mk make_pair
using namespace std;
inline int read(){
int x=0;
bool f=0;
char c=getchar();
while(!isdigit(c)) f|=(c=='-'),c=getchar();
while(isdigit(c)) x=(x<<3)+(x<<1)+(c^48),c=getchar();
return f?-x:x;
}
inline void write(int x){
if(x<0){putchar('-');x=-x;}
if(x>9)write(x/10);
putchar(x%10+'0');
}
inline void writeln(int x){write(x); puts("");}
inline void writepl(int x){write(x); putchar(' ');}
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
inline int randfind(int l,int r){return rnd()%(r-l+1)+l;}
//inline void init(){
// int t=read();
// while(t--) work();
//}
int mod;
struct node{int x,y;};
inline void add(int &x,int y){x+=y;if(x>=mod) x-=mod;}
node operator + (node A,node B){
node C;C.x=(A.x+B.x)%mod;C.y=(A.y+B.y)%mod;
return C;
}
node operator - (node A,node B){
node C;C.x=(A.x-B.x+mod)%mod;C.y=(A.y-B.y+mod)%mod;
return C;
}
node operator * (node A,node B){
node C;C.x=1ll*A.x*B.x%mod;add(C.x,mod-1ll*A.y*B.y%mod);
C.y=1ll*A.x*B.y%mod;add(C.y,1ll*A.y*B.x%mod);return C;
}
inline int Pow(int x,int y=mod-2){
int sum=1;
while(y){
if(y&1) sum=1ll*sum*x%mod;
y=y/2;x=1ll*x*x%mod;
}
return sum;
}
inline node ksm(node x,ll y){
node sum=(node){1,0};
while(y){
if(y&1) sum=sum*x;
y=y/2;x=x*x;
}
return sum;
}
int a[5];
node w[5];
int s[5],n;
int ans;
inline void check(int tp,node now){
// cout<<"**"<<endl;
// cout<<tp<<' '<<now.x<<' '<<now.y<<endl;
fr(i,0,3){
now=now*w[(4-tp)%4*a[i]*i%4];
s[tp]+=a[i];
}
fr(i,0,3){
now=now*ksm(w[2*i%4]+w[0],1ll*s[i]*(s[i]-1)/2);
fr(j,i+1,3) now=now*ksm(w[(i+j)%4]+w[0],1ll*s[i]*s[j]);
}
add(ans,now.x);
fr(i,0,3) s[tp]-=a[i];
}
inline void dfs(int x,node now){
if(x==5){
if(s[1]+s[3]>n) return;
check(2,now);check(0,now);
return;
}
dfs(x+2,now);
fr(i,0,3){
if(!a[i]) continue;
if(a[i]){
--a[i];++s[x];
dfs(x+2,now*(node){a[i]+1,0}*w[(4-x)*i%4]);
++a[i];--s[x];
}
}
}
inline void work(){
n=read();fr(i,0,3) a[i]=read();
ans=0;dfs(1,(node){1,0});
ans=1ll*ans*Pow(1ll*Pow(4,n)*Pow(2,1ll*n*(n-1)/2%mod)%mod)%mod;
writeln(ans);
}
inline void init(){
int t=read();mod=read();
w[0]=(node){1,0};
fr(i,1,3) w[i]=w[i-1]*(node){0,1};
// fr(i,0,3) cout<<i<<' '<<w[i].x<<' '<<w[i].y<<endl;
while(t--) work();
}
signed main(){
// freopen("input.in","r",stdin);
// freopen("output.out","w",stdout);
init();
// printf("\nTIME:%.3lf",(double)clock()/CLOCKS_PER_SEC);
return 0;
}
详细
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 10
Accepted
time: 1ms
memory: 3628kb
input:
1 998244353 3 1 1 0 1
output:
0
result:
ok single line: '0'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3760kb
input:
1 998244353 7 0 2 1 4
output:
998069185
result:
ok single line: '998069185'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3764kb
input:
1 998244353 4 0 1 0 3
output:
0
result:
ok single line: '0'
Test #4:
score: -10
Wrong Answer
time: 0ms
memory: 3772kb
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: 8ms
memory: 3512kb
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%