結果
問題 | No.1036 Make One With GCD 2 |
ユーザー |
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提出日時 | 2023-06-08 09:07:23 |
言語 | Java (openjdk 23) |
結果 |
TLE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 3,427 bytes |
コンパイル時間 | 3,178 ms |
コンパイル使用メモリ | 92,404 KB |
実行使用メモリ | 96,220 KB |
最終ジャッジ日時 | 2024-12-30 15:53:19 |
合計ジャッジ時間 | 39,098 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 40 TLE * 1 |
ソースコード
import java.io.*; import java.util.*; import java.util.stream.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); SegmentTree st = new SegmentTree(n); for (int i = 0; i < n; i++) { st.setValue(i, sc.nextLong()); } int right = 0; long ans = 0; for (int i = 0; i < n; i++) { right = Math.max(i, right); while (right < n && st.getValue(i, right + 1) > 1) { right++; } if (right >= n) { break; } ans += n - right; } System.out.println(ans); } static class SegmentTree { int size; long[] tree; public SegmentTree(int x) { size = 1; while (x >= size) { size <<= 1; } tree = new long[size * 2 - 1]; } public void setValue(int idx, long value) { int current = size - 1 + idx; tree[current] = value; calc((current - 1) / 2); } private void calc(int idx) { tree[idx] = getGCD(tree[idx * 2 + 1], tree[idx * 2 + 2]); if (idx > 0) { calc((idx - 1) / 2); } } public long getValue(int left, int right) { return getTreeValue(0, 0, size, left, right); } public long getTreeValue(int idx, int min, int max, int left, int right) { if (left >= max || right <= min) { return 0; } if (left <= min && max <= right) { return tree[idx]; } return getGCD(getTreeValue(idx * 2 + 1, min, (min + max) / 2, left, right), getTreeValue(idx * 2 + 2, (min + max) / 2, max, left, right)); } private long getGCD(long x, long y) { if (y == 0) { return x; } else if (x == 0) { return y; } else { return getGCD(y, x % y); } } } } class Utilities { static String arrayToLineString(Object[] arr) { return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n")); } static String arrayToLineString(int[] arr) { return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new)); } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); StringBuilder sb = new StringBuilder(); public Scanner() throws Exception { } public int nextInt() throws Exception { return Integer.parseInt(next()); } public long nextLong() throws Exception { return Long.parseLong(next()); } public double nextDouble() throws Exception { return Double.parseDouble(next()); } public int[] nextIntArray() throws Exception { return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray(); } public String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }