Submission #50960547

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Source Code Expand

// LUOGU_RID: 149641945
#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=1e5+5,M=4e3+5,K=1000+5,mod=1e9+7,Mod=mod-1;const db eps=1e-9;const int INF=1e9+7;mt19937 rnd(263082);
#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,k;
using per=array<int,N>;
per operator *(const per &A,const per &B){
	per C;for(int i=1;i<=n;i++) C[i]=B[A[i]];
	return C;
}
per inv(per A){
	per B;for(int i=1;i<=n;i++) B[A[i]]=i;
	return B;
}
per p,q;
per mpow(per x,int y){
	per ans;iota(ans.begin(),ans.end(),0);
	while(y) y&1&&(ans=ans*x,0),y>>=1,x=x*x;return ans;
}
void Solve(){
	int i,j;scanf("%d%d",&n,&k);
	for(i=1;i<=n;i++) scanf("%d",&p[i]);
	for(i=1;i<=n;i++) scanf("%d",&q[i]);
	per a1=mpow(inv(q)*p*q*inv(p),(k-1)/6),a2=mpow(p*inv(q)*inv(p)*q,(k-1)/6);
	if(k%6==1) a1=a1*p;
	if(k%6==2) a1=a1*q;
	if(k%6==3) a1=a1*inv(p)*q;
	if(k%6==4) a1=a1*inv(q)*inv(p)*q;
	if(k%6==5) a1=a1*inv(q)*p*inv(q)*inv(p)*q;
	if(k%6==0) a1=a1*inv(q)*p*p*inv(q)*inv(p)*q;
	a1=a1*a2;
	for(int i=1;i<=n;i++) printf("%d ",a1[i]);
}
int main(){
	int t=1;
	// scanf("%d",&t);
	while(t--) Solve();
	cerr<<clock()*1.0/CLOCKS_PER_SEC<<'\n';
}

Submission Info

Compile Error

Main.cpp: In function ‘per mpow(per, int)’:
Main.cpp:41:9: warning: this ‘while’ clause does not guard... [-Wmisleading-indentation]
   41 |         while(y) y&1&&(ans=ans*x,0),y>>=1,x=x*x;return ans;
      |         ^~~~~
Main.cpp:41:49: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘while’
   41 |         while(y) y&1&&(ans=ans*x,0),y>>=1,x=x*x;return ans;
      |                                                 ^~~~~~
Main.cpp: In function ‘void Solve()’:
Main.cpp:44:15: warning: unused variable ‘j’ [-Wunused-variable]
   44 |         int i,j;scanf("%d%d",&n,&k);
      |               ^
Main.cpp:44:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   44 |         int i,j;scanf("%d%d",&n,&k);
      |                 ~~~~~^~~~~~~~~~~~~~
Main.cpp:45:32: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   45 |         for(i=1;i<=n;i++) scanf("%d",&p[i]);
      |                           ~~~~~^~~~~~~~~~~~
Main.cpp:46:32: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   46 |         for(i=1;i<=n;i++) scanf("%d",&q[i]);
      |                           ~~~~~^~~~~~~~~~~~

Judge Result