/* -*- coding: utf-8 -*- * * 277.cc: No.277 根掘り葉掘り - yukicoder */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; /* constant */ const int MAX_N = 100000; const int INF = 1 << 30; /* typedef */ typedef vector vi; typedef queue qi; /* global variables */ vi nbrs[MAX_N]; int dists[MAX_N]; /* subroutines */ /* main */ int main() { int n; cin >> n; for (int i = 0; i < n - 1; i++) { int x, y; cin >> x >> y; x--, y--; nbrs[x].push_back(y); nbrs[y].push_back(x); } qi q; q.push(0); dists[0] = 0; for (int i = 1; i < n; i++) { if (nbrs[i].size() == 1) { dists[i] = 0; q.push(i); } else dists[i] = INF; } while (! q.empty()) { int u = q.front(); q.pop(); int vd = dists[u] + 1; vi &nbru = nbrs[u]; for (vi::iterator vit = nbru.begin(); vit != nbru.end(); vit++) { int &v = *vit; if (dists[v] > vd) { dists[v] = vd; q.push(v); } } } for (int i = 0; i < n; i++) printf("%d\n", dists[i]); return 0; }