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| #include <bits/stdc++.h>
#define x first #define y second #define y1 Y1 #define y2 Y2 #define mp make_pair #define pb push_back
using namespace std;
typedef long long LL; typedef pair<int, int> pii;
inline void proc_status () { ifstream t ("/proc/self/status"); cerr << string (istreambuf_iterator <char> (t), istreambuf_iterator <char> ()) << endl; }
template <typename T> inline int Chkmax (T &a, T b) {return a < b ? a = b, 1 : 0;} template <typename T> inline int Chkmin (T &a, T b) {return a > b ? a = b, 1 : 0;}
inline int read () { int sum = 0, fl = 1; char ch = getchar(); for (; !isdigit(ch); ch = getchar()) if (ch == '-') fl = -1; for (; isdigit(ch); ch = getchar()) sum = (sum << 3) + (sum << 1) + ch - '0'; return sum * fl; }
const int Maxn = 3e5 + 100;
int N, M; int e, Begin[Maxn], To[Maxn << 1], Next[Maxn << 1], W[Maxn]; pii E[Maxn];
inline void add_edge (int x, int y) { To[++e] = y; Next[e] = Begin[x]; Begin[x] = e; }
int dep[Maxn], anc[22][Maxn];
inline void dfs_pre (int x) { dep[x] = dep[anc[0][x]] + 1; for (int i = 1; i <= 20; ++i) anc[i][x] = anc[i - 1][anc[i - 1][x]]; for (int i = Begin[x]; i; i = Next[i]) { int y = To[i]; if (y == anc[0][x]) continue; anc[0][y] = x; dfs_pre (y); } }
inline int get_lca (int x, int y) { if (dep[x] < dep[y]) swap(x, y); for (int i = 20; i >= 0; --i) if (dep[anc[i][x]] >= dep[y]) x = anc[i][x]; if (x == y) return x; for (int i = 20; i >= 0; --i) if (anc[i][x] != anc[i][y]) x = anc[i][x], y = anc[i][y]; return anc[0][x]; }
vector <int> vec1[Maxn], vec2[Maxn]; int buc[Maxn], Ans[Maxn];
inline void dfs_up (int x) { int sum = buc[dep[x] + W[x]]; for (int i = 0; i < vec1[x].size(); ++i) ++buc[vec1[x][i]]; for (int i = Begin[x]; i; i = Next[i]) { int y = To[i]; if (y == anc[0][x]) continue; dfs_up (y); } Ans[x] += buc[dep[x] + W[x]] - sum; for (int i = 0; i < vec2[x].size(); ++i) --buc[vec2[x][i]]; }
inline int dis (int x, int y, int k) { return dep[x] + dep[y] - 2 * dep[k]; }
inline void dfs_down (int x) { int sum = buc[W[x] - dep[x]]; for (int i = 0; i < vec1[x].size(); ++i) ++buc[vec1[x][i]]; for (int i = Begin[x]; i; i = Next[i]) { int y = To[i]; if (y == anc[0][x]) continue; dfs_down (y); } for (int i = 0; i < vec2[x].size(); ++i) --buc[vec2[x][i]]; Ans[x] += buc[W[x] - dep[x]] - sum; }
inline void Solve () { dfs_pre (1); for (int i = 1; i <= M; ++i) { int k = get_lca (E[i].x, E[i].y); vec1[E[i].x].pb(dep[E[i].x]); vec2[k].pb(dep[E[i].x]); } dfs_up (1); memset(buc, 0, sizeof buc); for (int i = 1; i <= N; ++i) vec1[i].clear(), vec2[i].clear(); for (int i = 1; i <= M; ++i) { int k = get_lca (E[i].x, E[i].y), sum = dis(E[i].x, E[i].y, k) - dep[E[i].y]; vec1[E[i].y].pb(sum); vec2[k].pb(sum); } dfs_down (1); for (int i = 1; i <= N; ++i) printf("%d ", Ans[i]); puts(""); }
inline void Input () { N = read(), M = read(); for (int i = 1; i < N; ++i) { int x = read(), y = read(); add_edge (x, y); add_edge (y, x); } for (int i = 1; i <= N; ++i) W[i] = read(); for (int i = 1; i <= M; ++i) E[i].x = read(), E[i].y = read(); }
int main() { #ifndef ONLINE_JUDGE freopen("running.in", "r", stdin); freopen("running.out", "w", stdout); #endif Input(); Solve(); return 0; }
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