func_code_string: #include <bits/stdc++.h>   #pragma comment(linker,  /stack:256000000 )   using namespace std;   int main() {     int n;     scanf( %d , &(n));     vector<int> v1(n), v2(n), v3(n);     if (!(n % 2)) {       printf( -1 n );       return 0;     }     for (int i = (0), endi = (n); i < endi; ++i) v1[i] = i;     for (int i = (0), endi = (n); i < endi; ++i) v2[i] = (i + 1) % n;     for (int i = (0), endi = (n); i < endi; ++i) v3[i] = (v1[i] + v2[i]) % n;     for (int i = (0), endi = ((v1).size()); i < endi; ++i) {       printf( %d  , (v1[i]));     };     printf(  n );     for (int i = (0), endi = ((v2).size()); i < endi; ++i) {       printf( %d  , (v2[i]));     };     printf(  n );     for (int i = (0), endi = ((v3).size()); i < endi; ++i) {       printf( %d  , (v3[i]));     };     printf(  n );   }   