結果
| 問題 |
No.2618 除霊
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2024-01-26 21:54:42 |
| 言語 | D (dmd 2.109.1) |
| 結果 |
AC
|
| 実行時間 | 310 ms / 2,000 ms |
| コード長 | 3,125 bytes |
| コンパイル時間 | 947 ms |
| コンパイル使用メモリ | 118,284 KB |
| 実行使用メモリ | 31,352 KB |
| 最終ジャッジ日時 | 2024-09-28 08:06:22 |
| 合計ジャッジ時間 | 15,831 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 43 |
ソースコード
import std.conv, std.functional, std.range, std.stdio, std.string;
import std.algorithm, std.array, std.bigint, std.bitmanip, std.complex, std.container, std.math, std.mathspecial, std.numeric, std.regex, std.typecons;
import core.bitop;
class EOFException : Throwable { this() { super("EOF"); } }
string[] tokens;
string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; }
int readInt() { return readToken.to!int; }
long readLong() { return readToken.to!long; }
string COLOR(string s = "") { return "\x1b[" ~ s ~ "m"; }
bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } }
bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } }
int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; }
int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); }
int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); }
int N;
int[] A, B;
int K;
int[] V;
int[][] graph;
int[] par;
void dfs(int u, int p) {
par[u] = p;
foreach (v; graph[u]) if (p != v) {
dfs(v, u);
}
}
void main() {
try {
for (; ; ) {
N = readInt;
A = new int[N - 1];
B = new int[N - 1];
foreach (i; 0 .. N - 1) {
A[i] = readInt - 1;
B[i] = readInt - 1;
}
K = readInt;
V = new int[K];
foreach (k; 0 .. K) {
V[k] = readInt - 1;
}
graph = new int[][N];
foreach (i; 0 .. N - 1) {
graph[A[i]] ~= B[i];
graph[B[i]] ~= A[i];
}
par = new int[N];
dfs(0, -1);
auto ghost = new int[N];
auto damage = new int[N];
foreach (u; V) {
ghost[u] = 1;
++damage[u];
foreach (v; graph[u]) {
++damage[v];
}
}
auto cnt1 = new int[N];
foreach (u; 1 .. N) if (damage[u] == 1) {
++cnt1[par[u]];
}
const base = cast(int)(damage.count!"a");
auto ans = new int[N];
foreach (u; 0 .. N) {
const p = par[u];
int[3] score;
// dist = 0
if (damage[u]) ++score[0];
// dist = 1
if (~p && damage[p] && damage[p] <= ghost[u] + ghost[p]) ++score[1];
foreach (v; graph[u]) if (p != v) {
if (damage[v] && damage[v] <= ghost[u] + ghost[v]) ++score[1];
}
// dist = 2
if (~p && ghost[p]) {
if (~par[p] && damage[par[p]] == 1) ++score[2];
score[2] += (cnt1[par[u]] - (damage[u] == 1));
}
foreach (v; graph[u]) if (p != v) {
if (ghost[v]) {
score[2] += cnt1[v];
}
}
debug {
writeln(u, ": ", score);
}
ans[u] = base - score[0] - score[1] - score[2];
}
foreach (u; 0 .. N) {
writeln(ans[u]);
}
}
} catch (EOFException e) {
}
}