結果
問題 | No.497 入れ子の箱 |
ユーザー | btk |
提出日時 | 2017-03-28 07:09:26 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,081 bytes |
コンパイル時間 | 2,958 ms |
コンパイル使用メモリ | 89,340 KB |
実行使用メモリ | 54,436 KB |
最終ジャッジ日時 | 2024-07-06 12:52:59 |
合計ジャッジ時間 | 6,876 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 41 ms
36,860 KB |
testcase_01 | WA | - |
testcase_02 | AC | 41 ms
36,860 KB |
testcase_03 | AC | 84 ms
39,484 KB |
testcase_04 | AC | 84 ms
39,508 KB |
testcase_05 | AC | 89 ms
39,620 KB |
testcase_06 | AC | 89 ms
39,640 KB |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | AC | 69 ms
37,836 KB |
testcase_24 | AC | 76 ms
39,156 KB |
testcase_25 | AC | 42 ms
36,948 KB |
testcase_26 | AC | 40 ms
36,776 KB |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | AC | 83 ms
39,144 KB |
testcase_31 | AC | 84 ms
39,656 KB |
ソースコード
import java.io.*; import java.math.BigInteger; import java.util.*; /** * Created by btk on 2017/03/16. */ public class Main { static FastScanner in; static PrintWriter out; static void solve() { int N=in.nextInt(); long[] x=new long[N]; long[] y=new long[N]; long[] z=new long[N]; ArrayList<Pair> ar=new ArrayList<Pair>(); for (int i = 0; i < N; i++) { x[i] = in.nextInt(); y[i] = in.nextInt(); z[i] = in.nextInt(); BigInteger d = BigInteger.ONE; d=d.multiply(BigInteger.valueOf(x[i])); d=d.multiply(BigInteger.valueOf(y[i])); d=d.multiply(BigInteger.valueOf(z[i])); ar.add(new Pair(d,i)); } Collections.sort(ar); int[] dp = new int[N]; int res = 1; for (int i = 0; i < N; i++) { dp[i] = 1; int now=ar.get(i).b; for (int j = 0; j < i; j++) { int prv=ar.get(j).b; if(x[prv]<x[now]&&y[prv]<y[now]&&z[prv]<z[now]) dp[i] = Math.max(dp[i],dp[j]+1); } res = Math.max(res,dp[i]); } out.println(res); } public static void main(String[] args){ in = new FastScanner(); out = new PrintWriter(System.out); solve(); out.flush(); out.close(); } } class FastScanner { private final InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; private boolean hasNextByte() { if (ptr < buflen) { return true; }else{ ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) { return false; } } return true; } private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;} private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;} public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();} public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while(isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while(true){ if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; }else if(b == -1 || !isPrintableChar(b)){ return minus ? -n : n; }else{ throw new NumberFormatException(); } b = readByte(); } } public int nextInt() { long nl = nextLong(); if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException(); return (int) nl; } public double nextDouble() { return Double.parseDouble(next());} } class Pair implements Comparable<Pair> { BigInteger a; int b; public Pair(BigInteger a, int b) { this.a = a; this.b = b; } //(a,b)が一致 @Override public boolean equals(Object o) { if (o instanceof Pair) { Pair p = (Pair) o; return a == p.a && b == p.b; } return super.equals(o); } //辞書順比較 @Override public int compareTo(Pair o) { if (!a.equals(o.a)) { return a.compareTo(o.a); } return Integer.compare(b,o.b); } }