結果
問題 | No.370 道路の掃除 |
ユーザー | Suunn |
提出日時 | 2019-02-22 09:24:48 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 54 ms / 2,000 ms |
コード長 | 3,552 bytes |
コンパイル時間 | 5,035 ms |
コンパイル使用メモリ | 77,340 KB |
実行使用メモリ | 50,260 KB |
最終ジャッジ日時 | 2024-11-23 17:29:59 |
合計ジャッジ時間 | 7,953 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
(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 | 51 ms
49,696 KB |
testcase_01 | AC | 51 ms
49,848 KB |
testcase_02 | AC | 49 ms
50,016 KB |
testcase_03 | AC | 51 ms
50,120 KB |
testcase_04 | AC | 51 ms
50,000 KB |
testcase_05 | AC | 49 ms
50,108 KB |
testcase_06 | AC | 49 ms
49,944 KB |
testcase_07 | AC | 50 ms
49,896 KB |
testcase_08 | AC | 52 ms
49,724 KB |
testcase_09 | AC | 54 ms
49,832 KB |
testcase_10 | AC | 53 ms
49,840 KB |
testcase_11 | AC | 52 ms
50,080 KB |
testcase_12 | AC | 52 ms
50,064 KB |
testcase_13 | AC | 51 ms
49,832 KB |
testcase_14 | AC | 49 ms
49,788 KB |
testcase_15 | AC | 49 ms
49,768 KB |
testcase_16 | AC | 50 ms
49,932 KB |
testcase_17 | AC | 49 ms
49,612 KB |
testcase_18 | AC | 51 ms
50,064 KB |
testcase_19 | AC | 49 ms
49,960 KB |
testcase_20 | AC | 51 ms
49,716 KB |
testcase_21 | AC | 52 ms
50,260 KB |
testcase_22 | AC | 53 ms
49,780 KB |
testcase_23 | AC | 51 ms
50,100 KB |
testcase_24 | AC | 52 ms
49,600 KB |
testcase_25 | AC | 52 ms
49,936 KB |
testcase_26 | AC | 51 ms
50,008 KB |
testcase_27 | AC | 51 ms
50,020 KB |
testcase_28 | AC | 51 ms
50,012 KB |
testcase_29 | AC | 54 ms
49,892 KB |
testcase_30 | AC | 53 ms
50,064 KB |
testcase_31 | AC | 50 ms
49,856 KB |
testcase_32 | AC | 50 ms
50,056 KB |
testcase_33 | AC | 51 ms
49,612 KB |
ソースコード
import java.io.IOException; import java.util.Arrays; import java.util.NoSuchElementException; public class Main{ static long dp[] = new long[51]; public static void main(String[] args){ FastScanner sc = new FastScanner(); int K = sc.nextInt(); int N = sc.nextInt(); int[] x = new int[N]; int[] L = new int[N+1]; int[] R = new int[N+1]; int l = 1; int r = 1; Arrays.fill(L, 123456789); L[0] = 0; R[0] = 0; for(int i=0;i<N;i++){ x[i] = sc.nextInt(); } Arrays.sort(x); for(int i=0;i<N;i++) { if(x[i] == 0) { K --; }else if(x[i]<0) { L[l] = 0 - x[i]; l ++; }else { R[r] = x[i]; r ++; } } Arrays.sort(L); int min = 400000000; int kyori = 0; for(int i=0;i<=K;i++) { if(i<l && K-i<r) { kyori = L[i] + R[K-i] + Math.min(L[i],R[K-i]); min = Math.min(min, kyori); } } if(min == 400000000) { min = 0; } System.out.println(min); } } class FastScanner { private final java.io.InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; private boolean hasNextByte() { if (ptr < buflen) { return true; }else{ ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) { return false; } } return true; } private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;} private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;} private void skipUnprintable() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;} public boolean hasNext() { skipUnprintable(); return hasNextByte();} public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while(isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while(true){ if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; }else if(b == -1 || !isPrintableChar(b)){ return (minus ? -n : n); }else{ throw new NumberFormatException(); } b = readByte(); } } public int nextInt() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while(true){ if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; }else if(b == -1 || !isPrintableChar(b)){ return (int) (minus ? -n : n); }else{ throw new NumberFormatException(); } b = readByte(); } } }