#pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC optimize("inline") #include using namespace std; struct Rand{ unsigned x; unsigned y; unsigned z; unsigned w; Rand(void){ x=123456789; y=362436069; z=521288629; w=(unsigned)time(NULL); } Rand(unsigned seed){ x=123456789; y=362436069; z=521288629; w=seed; } inline unsigned get(void){ unsigned t; t = (x^(x<<11)); x=y; y=z; z=w; w = (w^(w>>19))^(t^(t>>8)); return w; } inline double getUni(void){ return get()/4294967296.0; } inline int get(int a){ return (int)(a*getUni()); } inline int get(int a, int b){ return a+(int)((b-a+1)*getUni()); } inline long long get(long long a){ return(long long)(a*getUni()); } inline long long get(long long a, long long b){ return a+(long long)((b-a+1)*getUni()); } inline double get(double a, double b){ return a+(b-a)*getUni(); } inline int getExp(int a){ return(int)(exp(getUni()*log(a+1.0))-1.0); } inline int getExp(int a, int b){ return a+(int)(exp(getUni()*log((b-a+1)+1.0))-1.0); } } ; struct MY_WRITER{ char buf[1048576]; int s; int e; MY_WRITER(){ s = 0; e = 1048576; } ~MY_WRITER(){ if(s){ fwrite_unlocked(buf, 1, s, stdout); } } } ; MY_WRITER MY_WRITER_VAR; void my_putchar_unlocked(int a){ if(MY_WRITER_VAR.s == MY_WRITER_VAR.e){ fwrite_unlocked(MY_WRITER_VAR.buf, 1, MY_WRITER_VAR.s, stdout); MY_WRITER_VAR.s = 0; } MY_WRITER_VAR.buf[MY_WRITER_VAR.s++] = a; } inline void wt_L(char a){ my_putchar_unlocked(a); } inline void wt_L(int x){ int s=0; int m=0; char f[10]; if(x<0){ m=1; x=-x; } while(x){ f[s++]=x%10; x/=10; } if(!s){ f[s++]=0; } if(m){ my_putchar_unlocked('-'); } while(s--){ my_putchar_unlocked(f[s]+'0'); } } Rand rnd; int N = 100000; int A[100000]; int B[100000]; int Z[100000]; int ind[100000]; int main(){ int i; int j; int k; srand(time(NULL)); for(i=(0);i<(N/2);i++){ ind[i] = i; } random_shuffle(ind, ind+N/2); for(i=(0);i<(N);i++){ Z[i] = i; } for(i=(0);i<(N/2);i++){ A[2*i] = B[2*i] = 2*ind[i]; A[2*i+1] = B[2*i+1] = 2*ind[i]+1; k = rand()%3; if(k==0){ swap(A[2*i], A[2*i+1]); } if(k==1){ swap(B[2*i], B[2*i+1]); } if(k==2){ swap(Z[2*ind[i]], Z[2*ind[i]+1]); } } for(k=(0);k<(30);k++){ i = rand()%N; j = rand()%N; if(i != j){ if(k%3==0){ swap(A[i], A[j]); } if(k%3==1){ swap(B[i], B[j]); } if(k%3==2){ swap(Z[i], Z[j]); } } } wt_L(N); wt_L('\n'); { int WYIGIcGE; if(N==0){ wt_L('\n'); } else{ for(WYIGIcGE=(0);WYIGIcGE<(N-1);WYIGIcGE++){ wt_L(A[WYIGIcGE]+1); wt_L(' '); } wt_L(A[WYIGIcGE]+1); wt_L('\n'); } } { int ao_dF3pO; if(N==0){ wt_L('\n'); } else{ for(ao_dF3pO=(0);ao_dF3pO<(N-1);ao_dF3pO++){ wt_L(B[ao_dF3pO]+1); wt_L(' '); } wt_L(B[ao_dF3pO]+1); wt_L('\n'); } } { int hCmBdyQB; if(N==0){ wt_L('\n'); } else{ for(hCmBdyQB=(0);hCmBdyQB<(N-1);hCmBdyQB++){ wt_L(Z[hCmBdyQB]+1); wt_L(' '); } wt_L(Z[hCmBdyQB]+1); wt_L('\n'); } } return 0; } // cLay version 20210917-1 // --- original code --- // Rand rnd; // int N = 1d5, A[1d5], B[], Z[], ind[]; // { // int i, j, k; // srand(time(NULL)); // rep(i,N/2) ind[i] = i; // random_shuffle(ind, ind+N/2); // rep(i,N) Z[i] = i; // rep(i,N/2){ // A[2*i] = B[2*i] = 2*ind[i]; // A[2*i+1] = B[2*i+1] = 2*ind[i]+1; // k = rand()%3; // if(k==0) swap(A[2*i], A[2*i+1]); // if(k==1) swap(B[2*i], B[2*i+1]); // if(k==2) swap(Z[2*ind[i]], Z[2*ind[i]+1]); // } // rep(k,30){ // i = rand()%N; // j = rand()%N; // if(i != j){ // if(k%3==0) swap(A[i], A[j]); // if(k%3==1) swap(B[i], B[j]); // if(k%3==2) swap(Z[i], Z[j]); // } // } // wt(N); // wt(A(N)+1); // wt(B(N)+1); // wt(Z(N)+1); // }