/* -*- coding: utf-8 -*- * * 1817.cc: No.1817 Reversed Edges - yukicoder */ #include #include #include using namespace std; /* constant */ const int MAX_N = 100000; /* typedef */ typedef vector vi; /* global variables */ vi nbrs[MAX_N]; int ps[MAX_N], cis[MAX_N], res[MAX_N], pres[MAX_N]; /* subroutines */ /* main */ int main() { int n; scanf("%d", &n); for (int i = 1; i < n; i++) { int u, v; scanf("%d%d", &u, &v); u--, v--; nbrs[u].push_back(v); nbrs[v].push_back(u); } ps[0] = -1; for (int u = 0; u >= 0;) { vi &nbru = nbrs[u]; int up = ps[u]; if (cis[u] < nbru.size()) { int v = nbru[cis[u]++]; if (v != up) { ps[v] = u; u = v; } } else { if (up >= 0) res[up] += res[u] + (up > u ? 1 : 0); u = up; } } //for (int i = 0; i < n; i++) printf("%d ", res[i]); putchar('\n'); fill(cis, cis + n, 0); for (int u = 0; u >= 0;) { vi &nbru = nbrs[u]; int up = ps[u]; if (cis[u] < nbru.size()) { int v = nbru[cis[u]++]; if (v != up) { pres[v] = pres[u] + (res[u] - res[v]) + (u > v ? -1 : 1); u = v; } } else { u = up; } } for (int i = 0; i < n; i++) printf("%d\n", pres[i] + res[i]); return 0; }