結果
問題 | No.390 最長の数列 |
ユーザー | uwi |
提出日時 | 2016-07-09 00:59:23 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,263 bytes |
コンパイル時間 | 4,597 ms |
コンパイル使用メモリ | 82,000 KB |
実行使用メモリ | 44,024 KB |
最終ジャッジ日時 | 2024-10-13 07:56:38 |
合計ジャッジ時間 | 7,093 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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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 | 102 ms
42,804 KB |
testcase_01 | AC | 90 ms
42,964 KB |
testcase_02 | AC | 102 ms
43,144 KB |
testcase_03 | AC | 92 ms
42,968 KB |
testcase_04 | AC | 102 ms
42,868 KB |
testcase_05 | AC | 121 ms
43,688 KB |
testcase_06 | AC | 172 ms
44,020 KB |
testcase_07 | AC | 92 ms
42,268 KB |
testcase_08 | AC | 82 ms
42,284 KB |
testcase_09 | AC | 94 ms
43,308 KB |
testcase_10 | AC | 125 ms
43,692 KB |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | AC | 125 ms
43,688 KB |
testcase_14 | WA | - |
testcase_15 | AC | 85 ms
42,868 KB |
testcase_16 | AC | 88 ms
43,160 KB |
testcase_17 | AC | 87 ms
42,596 KB |
testcase_18 | WA | - |
ソースコード
package contest; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; public class N390_3 { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(); int[] a = na(n); int[] ex = new int[1000001]; Arrays.fill(ex, -1); for(int v : a)ex[v] = -2; int id = 0; for(int i = 1;i <= 1000000;i++){ if(ex[i] == -2){ ex[i] = id++; } } int[] dp = new int[n]; for(int i = 0;i < n;i++){ dp[i] = Math.max(dp[i], 1); for(int j = a[i]*2;j <= 1000000;j += a[i]){ if(ex[j] >= 0){ dp[ex[j]] = Math.max(dp[ex[j]], dp[i] + 1); } } } out.println(Arrays.stream(dp).max().getAsInt()); } void run() throws Exception { is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes()); out = new PrintWriter(System.out); long s = System.currentTimeMillis(); solve(); out.flush(); if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); } public static void main(String[] args) throws Exception { new N390_3().run(); } private byte[] inbuf = new byte[1024]; private int lenbuf = 0, ptrbuf = 0; private int readByte() { if(lenbuf == -1)throw new InputMismatchException(); if(ptrbuf >= lenbuf){ ptrbuf = 0; try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); } if(lenbuf <= 0)return -1; } return inbuf[ptrbuf++]; } private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); } private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; } private double nd() { return Double.parseDouble(ns()); } private char nc() { return (char)skip(); } private String ns() { int b = skip(); StringBuilder sb = new StringBuilder(); while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ') sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } private char[] ns(int n) { char[] buf = new char[n]; int b = skip(), p = 0; while(p < n && !(isSpaceChar(b))){ buf[p++] = (char)b; b = readByte(); } return n == p ? buf : Arrays.copyOf(buf, p); } private char[][] nm(int n, int m) { char[][] map = new char[n][]; for(int i = 0;i < n;i++)map[i] = ns(m); return map; } private int[] na(int n) { int[] a = new int[n]; for(int i = 0;i < n;i++)a[i] = ni(); return a; } private int ni() { int num = 0, b; boolean minus = false; while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); if(b == '-'){ minus = true; b = readByte(); } while(true){ if(b >= '0' && b <= '9'){ num = num * 10 + (b - '0'); }else{ return minus ? -num : num; } b = readByte(); } } private long nl() { long num = 0; int b; boolean minus = false; while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); if(b == '-'){ minus = true; b = readByte(); } while(true){ if(b >= '0' && b <= '9'){ num = num * 10 + (b - '0'); }else{ return minus ? -num : num; } b = readByte(); } } private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); } }