結果
問題 | No.838 Noelちゃんと星々3 |
ユーザー | kusomushi |
提出日時 | 2019-07-09 05:28:30 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 310 ms / 2,000 ms |
コード長 | 4,113 bytes |
コンパイル時間 | 4,006 ms |
コンパイル使用メモリ | 78,412 KB |
実行使用メモリ | 46,968 KB |
最終ジャッジ日時 | 2024-04-19 07:14:57 |
合計ジャッジ時間 | 7,328 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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 | 310 ms
46,708 KB |
testcase_01 | AC | 301 ms
46,320 KB |
testcase_02 | AC | 300 ms
46,968 KB |
testcase_03 | AC | 295 ms
46,180 KB |
testcase_04 | AC | 284 ms
46,020 KB |
testcase_05 | AC | 56 ms
37,136 KB |
testcase_06 | AC | 57 ms
37,176 KB |
testcase_07 | AC | 56 ms
37,180 KB |
testcase_08 | AC | 57 ms
37,072 KB |
testcase_09 | AC | 57 ms
36,772 KB |
testcase_10 | AC | 56 ms
37,268 KB |
testcase_11 | AC | 56 ms
37,044 KB |
testcase_12 | AC | 58 ms
37,168 KB |
testcase_13 | AC | 54 ms
37,276 KB |
testcase_14 | AC | 55 ms
37,148 KB |
testcase_15 | AC | 54 ms
36,948 KB |
testcase_16 | AC | 54 ms
36,700 KB |
testcase_17 | AC | 56 ms
37,252 KB |
testcase_18 | AC | 56 ms
37,156 KB |
testcase_19 | AC | 54 ms
37,132 KB |
testcase_20 | AC | 53 ms
36,816 KB |
testcase_21 | AC | 52 ms
36,808 KB |
testcase_22 | AC | 53 ms
37,076 KB |
testcase_23 | AC | 54 ms
36,788 KB |
testcase_24 | AC | 53 ms
37,172 KB |
testcase_25 | AC | 54 ms
36,804 KB |
testcase_26 | AC | 53 ms
36,816 KB |
testcase_27 | AC | 54 ms
37,180 KB |
testcase_28 | AC | 55 ms
37,084 KB |
ソースコード
import java.io.*; import java.util.Arrays; import java.util.StringJoiner; import java.util.StringTokenizer; import java.util.function.Function; public class Main { static int N; static int[] Y; public static void main(String[] args) { FastScanner sc = new FastScanner(System.in); N = sc.nextInt(); Y = sc.nextIntArray(N); System.out.println(solve()); } static long solve() { Arrays.sort(Y); long[] dp = new long[N+1]; Arrays.fill(dp, Long.MAX_VALUE/2); dp[0] = 0; for (int i = 0; i < N; i++) { if( i+2 <= N ) { int a = Y[i]; int b = Y[i+1]; dp[i+2] = Math.min(dp[i+2], dp[i] + Math.abs(b-a) ); } if( i+3 <= N ) { int a = Y[i]; int b = Y[i+1]; int c = Y[i+2]; dp[i+3] = Math.min(dp[i+3], dp[i] + (c-b) + (b-a) ); } } return dp[N]; } @SuppressWarnings("unused") static class FastScanner { private BufferedReader reader; private StringTokenizer tokenizer; FastScanner(InputStream in) { reader = new BufferedReader(new InputStreamReader(in)); tokenizer = null; } String next() { if (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new StringTokenizer(reader.readLine()); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } String nextLine() { if (tokenizer == null || !tokenizer.hasMoreTokens()) { try { return reader.readLine(); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken("\n"); } long nextLong() { return Long.parseLong(next()); } int nextInt() { return Integer.parseInt(next()); } int[] nextIntArray(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = nextInt(); return a; } int[] nextIntArray(int n, int delta) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = nextInt() + delta; return a; } long[] nextLongArray(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nextLong(); return a; } } static <A> void writeLines(A[] as, Function<A, String> f) { PrintWriter pw = new PrintWriter(System.out); for (A a : as) { pw.println(f.apply(a)); } pw.flush(); } static void writeLines(int[] as) { PrintWriter pw = new PrintWriter(System.out); for (int a : as) pw.println(a); pw.flush(); } static void writeLines(long[] as) { PrintWriter pw = new PrintWriter(System.out); for (long a : as) pw.println(a); pw.flush(); } static int max(int... as) { int max = Integer.MIN_VALUE; for (int a : as) max = Math.max(a, max); return max; } static int min(int... as) { int min = Integer.MAX_VALUE; for (int a : as) min = Math.min(a, min); return min; } static void debug(Object... args) { StringJoiner j = new StringJoiner(" "); for (Object arg : args) { if (arg instanceof int[]) j.add(Arrays.toString((int[]) arg)); else if (arg instanceof long[]) j.add(Arrays.toString((long[]) arg)); else if (arg instanceof double[]) j.add(Arrays.toString((double[]) arg)); else if (arg instanceof Object[]) j.add(Arrays.toString((Object[]) arg)); else j.add(arg.toString()); } System.err.println(j.toString()); } }