結果
問題 | No.1098 LCAs |
ユーザー | Oland |
提出日時 | 2020-06-26 22:35:28 |
言語 | Java21 (openjdk 21) |
結果 |
TLE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 6,230 bytes |
コンパイル時間 | 2,595 ms |
コンパイル使用メモリ | 84,636 KB |
実行使用メモリ | 113,880 KB |
最終ジャッジ日時 | 2023-09-18 06:03:25 |
合計ジャッジ時間 | 18,067 ms |
ジャッジサーバーID (参考情報) |
judge12 / judge13 |
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 56 ms
52,268 KB |
testcase_01 | AC | 55 ms
51,880 KB |
testcase_02 | AC | 55 ms
51,956 KB |
testcase_03 | AC | 57 ms
52,160 KB |
testcase_04 | AC | 57 ms
52,676 KB |
testcase_05 | AC | 57 ms
52,056 KB |
testcase_06 | AC | 57 ms
52,004 KB |
testcase_07 | AC | 58 ms
52,676 KB |
testcase_08 | AC | 56 ms
52,296 KB |
testcase_09 | AC | 56 ms
51,868 KB |
testcase_10 | AC | 54 ms
51,880 KB |
testcase_11 | AC | 55 ms
51,844 KB |
testcase_12 | AC | 56 ms
51,844 KB |
testcase_13 | AC | 82 ms
54,024 KB |
testcase_14 | AC | 82 ms
56,340 KB |
testcase_15 | AC | 82 ms
53,720 KB |
testcase_16 | AC | 93 ms
54,240 KB |
testcase_17 | AC | 81 ms
53,952 KB |
testcase_18 | AC | 738 ms
86,360 KB |
testcase_19 | AC | 755 ms
87,720 KB |
testcase_20 | AC | 741 ms
88,388 KB |
testcase_21 | AC | 743 ms
87,900 KB |
testcase_22 | AC | 759 ms
88,060 KB |
testcase_23 | AC | 673 ms
88,780 KB |
testcase_24 | AC | 692 ms
90,116 KB |
testcase_25 | AC | 652 ms
89,876 KB |
testcase_26 | AC | 754 ms
92,544 KB |
testcase_27 | AC | 755 ms
92,108 KB |
testcase_28 | TLE | - |
testcase_29 | TLE | - |
testcase_30 | AC | 1,006 ms
100,288 KB |
ソースコード
import java.io.*; import java.util.*; @SuppressWarnings("unused") public class Main implements Runnable{ FastScanner in; PrintWriter out; final static int MOD = (int)1e9+7; int N; ArrayList<ArrayList<Integer>> g; int[] num; long[] ans; void solve(){ N = in.nextInt(); g = new ArrayList<>(); for(int i = 0; i < N; i++) g.add(new ArrayList<>()); for(int i = 0; i < N - 1; i++){ int v = in.nextInt()-1; int w = in.nextInt()-1; g.get(v).add(w); g.get(w).add(v); } num = new int[N]; ans = new long[N]; dfs(0, -1); for(long a : ans) out.println(a); } void dfs(int v, int p){ for(int to : g.get(v)){ if(to == p) continue; dfs(to, v); num[v] += num[to] + 1; } ans[v] = 1 + num[v] * 2 + (long)num[v] * (num[v] - 1); for(int to : g.get(v)){ if(to == p) continue; ans[v] -= (long)(num[to] + 1) * num[to]; } } public static void main(String[] args) { Thread.setDefaultUncaughtExceptionHandler((t,e)->System.exit(1)); new Thread(null, new Main(), "", 256L * 1024 * 1024).start(); } public void run() { in = new FastScanner(System.in); out = new PrintWriter(System.out); solve(); out.flush(); } static class FastScanner { Reader input; FastScanner() {this(System.in);} FastScanner(InputStream stream) {this.input = new BufferedReader(new InputStreamReader(stream));} int nextInt() {return (int) nextLong();} long nextLong() { try { int sign = 1; int b = input.read(); while ((b < '0' || '9' < b) && b != '-' && b != '+') { b = input.read(); } if (b == '-') { sign = -1; b = input.read(); } else if (b == '+') { b = input.read(); } long ret = b - '0'; while (true) { b = input.read(); if (b < '0' || '9' < b) return ret * sign; ret *= 10; ret += b - '0'; } } catch (IOException e) { e.printStackTrace(); return -1; } } double nextDouble() { try { double sign = 1; int b = input.read(); while ((b < '0' || '9' < b) && b != '-' && b != '+') { b = input.read(); } if (b == '-') { sign = -1; b = input.read(); } else if (b == '+') { b = input.read(); } double ret = b - '0'; while (true) { b = input.read(); if (b < '0' || '9' < b) break; ret *= 10; ret += b - '0'; } if (b != '.') return sign * ret; double div = 1; b = input.read(); while ('0' <= b && b <= '9') { ret *= 10; ret += b - '0'; div *= 10; b = input.read(); } return sign * ret / div; } catch (IOException e) { e.printStackTrace(); return Double.NaN; } } char nextChar() { try { int b = input.read(); while (Character.isWhitespace(b)) { b = input.read(); } return (char) b; } catch (IOException e) { e.printStackTrace(); return 0; } } String nextStr() { try { StringBuilder sb = new StringBuilder(); int b = input.read(); while (Character.isWhitespace(b)) { b = input.read(); } while (b != -1 && !Character.isWhitespace(b)) { sb.append((char) b); b = input.read(); } return sb.toString(); } catch (IOException e) { e.printStackTrace(); return ""; } } public int[] nextIntArray(int n) { int[] res = new int[n]; for (int i = 0; i < n; i++) { res[i] = nextInt(); } return res; } public int[] nextIntArrayDec(int n) { int[] res = new int[n]; for (int i = 0; i < n; i++) { res[i] = nextInt() - 1; } return res; } public int[] nextIntArray1Index(int n) { int[] res = new int[n + 1]; for (int i = 0; i < n; i++) { res[i + 1] = nextInt(); } return res; } public long[] nextLongArray(int n) { long[] res = new long[n]; for (int i = 0; i < n; i++) { res[i] = nextLong(); } return res; } public long[] nextLongArrayDec(int n) { long[] res = new long[n]; for (int i = 0; i < n; i++) { res[i] = nextLong() - 1; } return res; } public long[] nextLongArray1Index(int n) { long[] res = new long[n + 1]; for (int i = 0; i < n; i++) { res[i + 1] = nextLong(); } return res; } public double[] nextDoubleArray(int n) { double[] res = new double[n]; for (int i = 0; i < n; i++) { res[i] = nextDouble(); } return res; } } }