#include "supertrees.h" #include <cstdio> using namespace std; typedef vector<int> vi; int abs_(int a) { return a > 0 ? a : -a; } int construct(vector<vi> pp) { int n = pp.size(), i, j; vector<vi> aa(n); for (i = 0; i < n; i++) { aa[i].resize(n); for (j = 0; j < n; j++) aa[i][j] = abs_(i - j) == 1 ? 1 : 0; } build(aa); return 1; }