結果
問題 | No.1199 お菓子配り-2 |
ユーザー | shojin_pro |
提出日時 | 2020-08-28 22:12:16 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 557 ms / 1,000 ms |
コード長 | 3,296 bytes |
コンパイル時間 | 2,856 ms |
コンパイル使用メモリ | 78,356 KB |
実行使用メモリ | 58,664 KB |
最終ジャッジ日時 | 2024-04-26 14:57:16 |
合計ジャッジ時間 | 24,395 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
(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 | 50 ms
37,324 KB |
testcase_01 | AC | 50 ms
37,308 KB |
testcase_02 | AC | 50 ms
37,376 KB |
testcase_03 | AC | 284 ms
48,068 KB |
testcase_04 | AC | 455 ms
55,596 KB |
testcase_05 | AC | 124 ms
40,660 KB |
testcase_06 | AC | 145 ms
41,952 KB |
testcase_07 | AC | 323 ms
47,888 KB |
testcase_08 | AC | 377 ms
49,504 KB |
testcase_09 | AC | 299 ms
47,240 KB |
testcase_10 | AC | 180 ms
44,840 KB |
testcase_11 | AC | 265 ms
46,232 KB |
testcase_12 | AC | 260 ms
45,632 KB |
testcase_13 | AC | 170 ms
43,392 KB |
testcase_14 | AC | 170 ms
45,052 KB |
testcase_15 | AC | 155 ms
43,028 KB |
testcase_16 | AC | 346 ms
49,736 KB |
testcase_17 | AC | 298 ms
47,340 KB |
testcase_18 | AC | 403 ms
55,460 KB |
testcase_19 | AC | 213 ms
46,912 KB |
testcase_20 | AC | 461 ms
54,668 KB |
testcase_21 | AC | 424 ms
56,436 KB |
testcase_22 | AC | 369 ms
53,820 KB |
testcase_23 | AC | 390 ms
54,660 KB |
testcase_24 | AC | 431 ms
55,500 KB |
testcase_25 | AC | 181 ms
44,188 KB |
testcase_26 | AC | 423 ms
50,912 KB |
testcase_27 | AC | 361 ms
49,816 KB |
testcase_28 | AC | 514 ms
56,704 KB |
testcase_29 | AC | 547 ms
57,960 KB |
testcase_30 | AC | 533 ms
57,144 KB |
testcase_31 | AC | 537 ms
57,724 KB |
testcase_32 | AC | 513 ms
57,088 KB |
testcase_33 | AC | 545 ms
58,076 KB |
testcase_34 | AC | 516 ms
57,716 KB |
testcase_35 | AC | 553 ms
57,496 KB |
testcase_36 | AC | 522 ms
57,760 KB |
testcase_37 | AC | 530 ms
56,952 KB |
testcase_38 | AC | 512 ms
57,880 KB |
testcase_39 | AC | 553 ms
57,252 KB |
testcase_40 | AC | 512 ms
57,768 KB |
testcase_41 | AC | 518 ms
58,664 KB |
testcase_42 | AC | 522 ms
57,256 KB |
testcase_43 | AC | 549 ms
57,996 KB |
testcase_44 | AC | 535 ms
57,088 KB |
testcase_45 | AC | 554 ms
57,544 KB |
testcase_46 | AC | 557 ms
57,244 KB |
testcase_47 | AC | 518 ms
56,744 KB |
ソースコード
import java.util.*; import java.io.*; public class Main { public static void main(String[] args) throws Exception { FastScanner sc = new FastScanner(System.in); PrintWriter pw = new PrintWriter(System.out); int n = sc.nextInt(); int m = sc.nextInt(); long[][] dp = new long[n+1][n+1]; for(int i = 0; i < n; i++){ Arrays.fill(dp[i],-Long.MAX_VALUE/2); } dp[0][0] = 0; for(int i = 0; i < n; i++){ long total = 0; for(int j = 0; j < m; j++){ total += sc.nextLong(); } for(int j = 0; j <= i; j++){ dp[i+1][j] = Math.max(dp[i+1][j],dp[i][j]); if(j % 2 == 0){ dp[i+1][j+1] = Math.max(dp[i+1][j+1],dp[i][j] + total); }else{ dp[i+1][j+1] = Math.max(dp[i+1][j+1],dp[i][j] - total); } } } long ans = 0; for(int i = 0; i <= n; i++){ ans = Math.max(ans,dp[n][i]); } pw.println(ans); pw.flush(); } static class GeekInteger { public static void save_sort(int[] array) { shuffle(array); Arrays.sort(array); } public static int[] shuffle(int[] array) { int n = array.length; Random random = new Random(); for (int i = 0, j; i < n; i++) { j = i + random.nextInt(n - i); int randomElement = array[j]; array[j] = array[i]; array[i] = randomElement; } return array; } } } class FastScanner { private BufferedReader reader = null; private StringTokenizer tokenizer = null; public FastScanner(InputStream in) { reader = new BufferedReader(new InputStreamReader(in)); tokenizer = null; } public String next() { if (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new StringTokenizer(reader.readLine()); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } public String nextLine() { if (tokenizer == null || !tokenizer.hasMoreTokens()) { try { return reader.readLine(); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken("\n"); } public long nextLong() { return Long.parseLong(next()); } public int nextInt() { return Integer.parseInt(next()); } public double nextDouble() { return Double.parseDouble(next()); } public String[] nextArray(int n) { String[] a = new String[n]; for (int i = 0; i < n; i++) a[i] = next(); return a; } 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; } }