結果
| 問題 |
No.497 入れ子の箱
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2017-03-25 18:20:45 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 127 ms / 5,000 ms |
| コード長 | 2,761 bytes |
| コンパイル時間 | 1,788 ms |
| コンパイル使用メモリ | 78,548 KB |
| 実行使用メモリ | 52,924 KB |
| 最終ジャッジ日時 | 2024-07-06 06:05:49 |
| 合計ジャッジ時間 | 5,830 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 29 |
ソースコード
import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
import java.io.BufferedReader;
import java.util.Comparator;
import java.io.InputStream;
/**
* Built using CHelper plug-in
* Actual solution is at the top
*
* @author Chiaki.Hoshinomori
*/
public class Main {
public static void main(String[] args) {
InputStream inputStream = System.in;
OutputStream outputStream = System.out;
InputReader in = new InputReader(inputStream);
PrintWriter out = new PrintWriter(outputStream);
Task497 solver = new Task497();
solver.solve(1, in, out);
out.close();
}
static class Task497 {
public void solve(int testNumber, InputReader in, PrintWriter out) {
int n = in.nextInt();
int[][] box = new int[n][];
for (int i = 0; i < n; i++) {
box[i] = new int[3];
for (int j = 0; j < 3; ++j) {
box[i][j] = in.nextInt();
}
Arrays.sort(box[i]);
}
Arrays.sort(box, new Comparator<int[]>() {
public int compare(int[] o1, int[] o2) {
if (o1[0] != o2[0]) return o1[0] - o2[0];
if (o1[1] != o2[1]) return o1[1] - o2[1];
return o1[2] - o2[2];
}
});
int[] dp = new int[n];
int ret = 0;
for (int i = 0; i < n; i++) {
dp[i] = 1;
for (int j = 0; j < i; j++) {
if (box[j][0] < box[i][0] && box[j][1] < box[i][1] && box[j][2] < box[i][2]) {
dp[i] = Math.max(dp[i], dp[j] + 1);
}
}
ret = Math.max(ret, dp[i]);
}
out.println(ret);
}
}
static class InputReader {
public BufferedReader reader;
public StringTokenizer tokenizer;
public InputReader(InputStream stream) {
reader = new BufferedReader(new InputStreamReader(stream), 32768);
tokenizer = null;
}
public String next() {
while (tokenizer == null || !tokenizer.hasMoreTokens()) {
try {
tokenizer = new StringTokenizer(reader.readLine());
} catch (IOException e) {
throw new RuntimeException(e);
}
}
return tokenizer.nextToken();
}
public int nextInt() {
return Integer.parseInt(next());
}
}
}