結果
問題 | No.370 道路の掃除 |
ユーザー | uafr_cs |
提出日時 | 2017-10-29 22:23:07 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 61 ms / 2,000 ms |
コード長 | 2,508 bytes |
コンパイル時間 | 3,665 ms |
コンパイル使用メモリ | 75,156 KB |
実行使用メモリ | 51,120 KB |
最終ジャッジ日時 | 2023-08-14 09:55:09 |
合計ジャッジ時間 | 5,618 ms |
ジャッジサーバーID (参考情報) |
judge15 / judge14 |
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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 | 43 ms
49,480 KB |
testcase_01 | AC | 44 ms
49,412 KB |
testcase_02 | AC | 44 ms
49,464 KB |
testcase_03 | AC | 44 ms
49,452 KB |
testcase_04 | AC | 44 ms
49,572 KB |
testcase_05 | AC | 43 ms
49,420 KB |
testcase_06 | AC | 44 ms
49,528 KB |
testcase_07 | AC | 43 ms
49,496 KB |
testcase_08 | AC | 43 ms
49,444 KB |
testcase_09 | AC | 44 ms
49,720 KB |
testcase_10 | AC | 46 ms
49,452 KB |
testcase_11 | AC | 46 ms
49,628 KB |
testcase_12 | AC | 45 ms
49,540 KB |
testcase_13 | AC | 45 ms
49,460 KB |
testcase_14 | AC | 45 ms
49,420 KB |
testcase_15 | AC | 46 ms
49,452 KB |
testcase_16 | AC | 46 ms
49,520 KB |
testcase_17 | AC | 45 ms
49,536 KB |
testcase_18 | AC | 45 ms
49,428 KB |
testcase_19 | AC | 46 ms
49,376 KB |
testcase_20 | AC | 57 ms
50,552 KB |
testcase_21 | AC | 55 ms
50,432 KB |
testcase_22 | AC | 52 ms
50,188 KB |
testcase_23 | AC | 53 ms
50,320 KB |
testcase_24 | AC | 46 ms
49,904 KB |
testcase_25 | AC | 50 ms
49,464 KB |
testcase_26 | AC | 57 ms
49,916 KB |
testcase_27 | AC | 48 ms
49,844 KB |
testcase_28 | AC | 49 ms
49,388 KB |
testcase_29 | AC | 53 ms
50,340 KB |
testcase_30 | AC | 61 ms
51,120 KB |
testcase_31 | AC | 52 ms
50,196 KB |
testcase_32 | AC | 54 ms
50,260 KB |
testcase_33 | AC | 61 ms
50,556 KB |
ソースコード
import java.io.BufferedReader; import java.io.Closeable; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Arrays; import java.util.HashSet; import java.util.LinkedList; import java.util.Scanner; import java.util.Set; import java.util.StringTokenizer; import java.util.TreeMap; public class Main { public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); final int N = sc.nextInt(); final int M = sc.nextInt(); int plus = 0, minus = 0; int[] pos = new int[M]; for(int i = 0; i < M; i++){ pos[i] = sc.nextInt(); if(pos[i] >= 0){ plus++; }else{ minus++; } } int[] rights = new int[plus]; int[] lefts = new int[minus]; { int pc = 0, mc = 0; for(int i = 0; i < M; i++){ if(pos[i] >= 0){ rights[pc++] = pos[i]; }else{ lefts[mc++] = -pos[i]; } } } Arrays.sort(rights); Arrays.sort(lefts); //System.out.println(Arrays.toString(rights)); //System.out.println(Arrays.toString(lefts)); long answer = Long.MAX_VALUE; for(int right_end = 0; right_end <= N; right_end++){ if(right_end > rights.length){ continue; } final int left_end = N - right_end; if(left_end > lefts.length){ continue; } final long right_cost = right_end == 0 ? 0 : rights[right_end - 1]; final long left_cost = left_end == 0 ? 0 : lefts[left_end - 1]; final long fst_right = right_cost * 2 + left_cost; final long fst_left = left_cost * 2 + right_cost; answer = Math.min(answer, Math.min(fst_right, fst_left)); //System.out.println(right_end + " " + left_end); } System.out.println(answer); } public static class Scanner implements Closeable { private BufferedReader br; private StringTokenizer tok; public Scanner(InputStream is) throws IOException { br = new BufferedReader(new InputStreamReader(is)); } private void getLine() throws IOException { while (!hasNext()) { tok = new StringTokenizer(br.readLine()); } } private boolean hasNext() { return tok != null && tok.hasMoreTokens(); } public String next() throws IOException { getLine(); return tok.nextToken(); } public int nextInt() throws IOException { return Integer.parseInt(next()); } public long nextLong() throws IOException { return Long.parseLong(next()); } public void close() throws IOException { br.close(); } } }