結果

問題 No.615 集合に分けよう
ユーザー holegumaholeguma
提出日時 2019-07-17 19:26:21
言語 Java21
(openjdk 21)
結果
AC  
実行時間 170 ms / 2,000 ms
コード長 3,367 bytes
コンパイル時間 2,308 ms
コンパイル使用メモリ 78,984 KB
実行使用メモリ 41,040 KB
最終ジャッジ日時 2024-06-02 08:38:35
合計ジャッジ時間 5,570 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge4
このコードへのチャレンジ
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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 46 ms
36,932 KB
testcase_01 AC 44 ms
36,620 KB
testcase_02 AC 45 ms
36,616 KB
testcase_03 AC 45 ms
37,060 KB
testcase_04 AC 47 ms
37,080 KB
testcase_05 AC 46 ms
36,636 KB
testcase_06 AC 45 ms
37,212 KB
testcase_07 AC 45 ms
36,620 KB
testcase_08 AC 44 ms
36,976 KB
testcase_09 AC 43 ms
37,092 KB
testcase_10 AC 43 ms
36,760 KB
testcase_11 AC 44 ms
36,736 KB
testcase_12 AC 45 ms
37,148 KB
testcase_13 AC 44 ms
36,876 KB
testcase_14 AC 45 ms
36,764 KB
testcase_15 AC 80 ms
38,948 KB
testcase_16 AC 139 ms
40,612 KB
testcase_17 AC 135 ms
41,040 KB
testcase_18 AC 140 ms
40,316 KB
testcase_19 AC 136 ms
40,788 KB
testcase_20 AC 137 ms
40,436 KB
testcase_21 AC 135 ms
40,704 KB
testcase_22 AC 134 ms
40,892 KB
testcase_23 AC 101 ms
40,808 KB
testcase_24 AC 170 ms
40,480 KB
testcase_25 AC 46 ms
36,880 KB
testcase_26 AC 45 ms
37,128 KB
testcase_27 AC 81 ms
38,628 KB
testcase_28 AC 75 ms
38,528 KB
testcase_29 AC 96 ms
39,820 KB
testcase_30 AC 99 ms
39,680 KB
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ソースコード

diff # 

import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;
import java.util.NoSuchElementException;

public class Main {

	static PrintWriter out;
	static InputReader ir;

	static void solve() {
		int n = ir.nextInt();
		int k = ir.nextInt();
		long[] a = ir.nextLongArray(n);
		Arrays.sort(a);
		long[] s = new long[n - 1];
		for (int i = 0; i < n - 1; i++) {
			s[i] = a[i + 1] - a[i];
		}
		Arrays.sort(s);
		long res = a[n - 1] - a[0];
		for (int i = 0; i < k - 1; i++) {
			res -= s[n - 2 - i];
		}
		out.println(res);
	}

	public static void main(String[] args) {
		ir = new InputReader(System.in);
		out = new PrintWriter(System.out);
		solve();
		out.flush();
	}

	static class InputReader {

		private InputStream in;
		private byte[] buffer = new byte[1024];
		private int curbuf;
		private int lenbuf;

		public InputReader(InputStream in) {
			this.in = in;
			this.curbuf = this.lenbuf = 0;
		}

		public boolean hasNextByte() {
			if (curbuf >= lenbuf) {
				curbuf = 0;
				try {
					lenbuf = in.read(buffer);
				} catch (IOException e) {
					throw new InputMismatchException();
				}
				if (lenbuf <= 0)
					return false;
			}
			return true;
		}

		private int readByte() {
			if (hasNextByte())
				return buffer[curbuf++];
			else
				return -1;
		}

		private boolean isSpaceChar(int c) {
			return !(c >= 33 && c <= 126);
		}

		private void skip() {
			while (hasNextByte() && isSpaceChar(buffer[curbuf]))
				curbuf++;
		}

		public boolean hasNext() {
			skip();
			return hasNextByte();
		}

		public String next() {
			if (!hasNext())
				throw new NoSuchElementException();
			StringBuilder sb = new StringBuilder();
			int b = readByte();
			while (!isSpaceChar(b)) {
				sb.appendCodePoint(b);
				b = readByte();
			}
			return sb.toString();
		}

		public int nextInt() {
			if (!hasNext())
				throw new NoSuchElementException();
			int c = readByte();
			while (isSpaceChar(c))
				c = readByte();
			boolean minus = false;
			if (c == '-') {
				minus = true;
				c = readByte();
			}
			int res = 0;
			do {
				if (c < '0' || c > '9')
					throw new InputMismatchException();
				res = res * 10 + c - '0';
				c = readByte();
			} while (!isSpaceChar(c));
			return (minus) ? -res : res;
		}

		public long nextLong() {
			if (!hasNext())
				throw new NoSuchElementException();
			int c = readByte();
			while (isSpaceChar(c))
				c = readByte();
			boolean minus = false;
			if (c == '-') {
				minus = true;
				c = readByte();
			}
			long res = 0;
			do {
				if (c < '0' || c > '9')
					throw new InputMismatchException();
				res = res * 10 + c - '0';
				c = readByte();
			} while (!isSpaceChar(c));
			return (minus) ? -res : res;
		}

		public double nextDouble() {
			return Double.parseDouble(next());
		}

		public int[] nextIntArray(int n) {
			int[] a = new int[n];
			for (int i = 0; i < n; i++)
				a[i] = nextInt();
			return a;
		}

		public long[] nextLongArray(int n) {
			long[] a = new long[n];
			for (int i = 0; i < n; i++)
				a[i] = nextLong();
			return a;
		}

		public char[][] nextCharMap(int n, int m) {
			char[][] map = new char[n][m];
			for (int i = 0; i < n; i++)
				map[i] = next().toCharArray();
			return map;
		}
	}

	static void tr(Object... o) {
		out.println(Arrays.deepToString(o));
	}
}
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