結果

問題 No.615 集合に分けよう
ユーザー GrenacheGrenache
提出日時 2017-12-17 00:21:18
言語 Java21
(openjdk 21)
結果
AC  
実行時間 199 ms / 2,000 ms
コード長 4,249 bytes
コンパイル時間 3,999 ms
コンパイル使用メモリ 78,780 KB
実行使用メモリ 41,208 KB
最終ジャッジ日時 2024-05-08 17:05:16
合計ジャッジ時間 8,473 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge2
このコードへのチャレンジ
（要ログイン）

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 55 ms
37,460 KB
testcase_01 AC 55 ms
37,244 KB
testcase_02 AC 56 ms
37,060 KB
testcase_03 AC 55 ms
37,408 KB
testcase_04 AC 55 ms
37,344 KB
testcase_05 AC 55 ms
37,424 KB
testcase_06 AC 55 ms
37,232 KB
testcase_07 AC 56 ms
37,340 KB
testcase_08 AC 57 ms
37,544 KB
testcase_09 AC 56 ms
37,300 KB
testcase_10 AC 56 ms
37,464 KB
testcase_11 AC 56 ms
37,112 KB
testcase_12 AC 57 ms
37,088 KB
testcase_13 AC 60 ms
37,420 KB
testcase_14 AC 73 ms
37,984 KB
testcase_15 AC 121 ms
40,264 KB
testcase_16 AC 198 ms
41,160 KB
testcase_17 AC 197 ms
40,792 KB
testcase_18 AC 191 ms
40,704 KB
testcase_19 AC 197 ms
41,148 KB
testcase_20 AC 191 ms
40,860 KB
testcase_21 AC 199 ms
41,208 KB
testcase_22 AC 197 ms
41,172 KB
testcase_23 AC 134 ms
41,160 KB
testcase_24 AC 185 ms
40,648 KB
testcase_25 AC 56 ms
37,140 KB
testcase_26 AC 55 ms
36,800 KB
testcase_27 AC 96 ms
40,044 KB
testcase_28 AC 107 ms
40,064 KB
testcase_29 AC 156 ms
40,688 KB
testcase_30 AC 156 ms
40,608 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

import java.io.*;
import java.util.*;


public class Main_yukicoder615 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		int n = sc.nextInt();
		int k = sc.nextInt();

		long[] a = new long[n];
		for (int i = 0; i < n; i++) {
			a[i] = sc.nextLong();
		}
		Arrays.sort(a);

		long[] diff = new long[n - 1];
		for (int i = 1; i < n; i++) {
			diff[i - 1] = a[i] - a[i - 1];
		}
		Arrays.sort(diff);

		long ans = 0;
		for (int i = 0; i < n - 1 - (k - 1); i++) {
			ans += diff[i];
		}

		pr.println(ans);
	}

	// ---------------------------------------------------
	public static void main(String[] args) {
		sc = new Scanner(System.in);
		pr = new Printer(System.out);

		solve();

		pr.close();
		sc.close();
	}

	@SuppressWarnings("unused")
	private static class Scanner {
		BufferedReader br;

		Scanner (InputStream in) {
			br = new BufferedReader(new InputStreamReader(in));
		}

		private boolean isPrintable(int ch) {
			return ch >= '!' && ch <= '~';
		}

		private boolean isCRLF(int ch) {
			return ch == '\n' || ch == '\r' || ch == -1;
		}

		private int nextPrintable() {
			try {
				int ch;
				while (!isPrintable(ch = br.read())) {
					if (ch == -1) {
						throw new NoSuchElementException();
					}
				}

				return ch;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		String next() {
			try {
				int ch = nextPrintable();
				StringBuilder sb = new StringBuilder();
				do {
					sb.appendCodePoint(ch);
				} while (isPrintable(ch = br.read()));

				return sb.toString();
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		int nextInt() {
			try {
				// parseInt from Integer.parseInt()
				boolean negative = false;
				int res = 0;
				int limit = -Integer.MAX_VALUE;
				int radix = 10;

				int fc = nextPrintable();
				if (fc < '0') {
					if (fc == '-') {
						negative = true;
						limit = Integer.MIN_VALUE;
					} else if (fc != '+') {
						throw new NumberFormatException();
					}
					fc = br.read();
				}
				int multmin = limit / radix;

				int ch = fc;
				do {
					int digit = ch - '0';
					if (digit < 0 || digit >= radix) {
						throw new NumberFormatException();
					}
					if (res < multmin) {
						throw new NumberFormatException();
					}
					res *= radix;
					if (res < limit + digit) {
						throw new NumberFormatException();
					}
					res -= digit;

				} while (isPrintable(ch = br.read()));

				return negative ? res : -res;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		long nextLong() {
			try {
				// parseLong from Long.parseLong()
				boolean negative = false;
				long res = 0;
				long limit = -Long.MAX_VALUE;
				int radix = 10;

				int fc = nextPrintable();
				if (fc < '0') {
					if (fc == '-') {
						negative = true;
						limit = Long.MIN_VALUE;
					} else if (fc != '+') {
						throw new NumberFormatException();
					}
					fc = br.read();
				}
				long multmin = limit / radix;

				int ch = fc;
				do {
					int digit = ch - '0';
					if (digit < 0 || digit >= radix) {
						throw new NumberFormatException();
					}
					if (res < multmin) {
						throw new NumberFormatException();
					}
					res *= radix;
					if (res < limit + digit) {
						throw new NumberFormatException();
					}
					res -= digit;

				} while (isPrintable(ch = br.read()));

				return negative ? res : -res;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		float nextFloat() {
			return Float.parseFloat(next());
		}

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

		String nextLine() {
			try {
				int ch;
				while (isCRLF(ch = br.read())) {
					if (ch == -1) {
						throw new NoSuchElementException();
					}
				}
				StringBuilder sb = new StringBuilder();
				do {
					sb.appendCodePoint(ch);
				} while (!isCRLF(ch = br.read()));

				return sb.toString();
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		void close() {
			try {
				br.close();
			} catch (IOException e) {
//				throw new NoSuchElementException();
			}
		}
	}

	private static class Printer extends PrintWriter {
		Printer(PrintStream out) {
			super(out);
		}
	}
}
0