結果
問題 | No.951 【本日限定】1枚頼むともう1枚無料! |
ユーザー | hiromi_ayase |
提出日時 | 2019-12-18 18:54:10 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 326 ms / 2,000 ms |
コード長 | 3,288 bytes |
コンパイル時間 | 2,099 ms |
コンパイル使用メモリ | 91,364 KB |
実行使用メモリ | 57,784 KB |
最終ジャッジ日時 | 2024-07-06 22:46:21 |
合計ジャッジ時間 | 13,698 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 72 ms
51,368 KB |
testcase_01 | AC | 71 ms
51,416 KB |
testcase_02 | AC | 72 ms
51,420 KB |
testcase_03 | AC | 71 ms
51,260 KB |
testcase_04 | AC | 70 ms
51,224 KB |
testcase_05 | AC | 70 ms
51,244 KB |
testcase_06 | AC | 72 ms
51,544 KB |
testcase_07 | AC | 72 ms
51,452 KB |
testcase_08 | AC | 71 ms
51,276 KB |
testcase_09 | AC | 100 ms
53,300 KB |
testcase_10 | AC | 97 ms
52,836 KB |
testcase_11 | AC | 101 ms
52,564 KB |
testcase_12 | AC | 135 ms
53,268 KB |
testcase_13 | AC | 249 ms
53,828 KB |
testcase_14 | AC | 120 ms
52,964 KB |
testcase_15 | AC | 121 ms
53,296 KB |
testcase_16 | AC | 134 ms
53,368 KB |
testcase_17 | AC | 184 ms
53,656 KB |
testcase_18 | AC | 70 ms
51,192 KB |
testcase_19 | AC | 71 ms
51,396 KB |
testcase_20 | AC | 70 ms
51,196 KB |
testcase_21 | AC | 95 ms
53,204 KB |
testcase_22 | AC | 93 ms
53,220 KB |
testcase_23 | AC | 93 ms
53,136 KB |
testcase_24 | AC | 313 ms
55,704 KB |
testcase_25 | AC | 295 ms
55,652 KB |
testcase_26 | AC | 287 ms
56,172 KB |
testcase_27 | AC | 286 ms
56,208 KB |
testcase_28 | AC | 273 ms
55,792 KB |
testcase_29 | AC | 275 ms
55,948 KB |
testcase_30 | AC | 74 ms
51,628 KB |
testcase_31 | AC | 72 ms
51,428 KB |
testcase_32 | AC | 93 ms
53,208 KB |
testcase_33 | AC | 93 ms
52,984 KB |
testcase_34 | AC | 98 ms
52,964 KB |
testcase_35 | AC | 310 ms
57,784 KB |
testcase_36 | AC | 326 ms
57,708 KB |
testcase_37 | AC | 320 ms
57,760 KB |
testcase_38 | AC | 276 ms
55,472 KB |
testcase_39 | AC | 323 ms
57,528 KB |
testcase_40 | AC | 286 ms
55,448 KB |
testcase_41 | AC | 291 ms
55,640 KB |
testcase_42 | AC | 291 ms
56,248 KB |
testcase_43 | AC | 287 ms
56,252 KB |
testcase_44 | AC | 297 ms
55,828 KB |
testcase_45 | AC | 292 ms
55,624 KB |
testcase_46 | AC | 266 ms
55,456 KB |
testcase_47 | AC | 272 ms
55,640 KB |
testcase_48 | AC | 271 ms
55,768 KB |
testcase_49 | AC | 277 ms
55,544 KB |
testcase_50 | AC | 267 ms
56,004 KB |
testcase_51 | AC | 273 ms
56,296 KB |
testcase_52 | AC | 260 ms
53,420 KB |
testcase_53 | AC | 283 ms
53,576 KB |
testcase_54 | AC | 245 ms
55,052 KB |
ソースコード
import java.util.Arrays; public class Main { private static void solve() { int n = ni(); int k = ni(); int[][] p = ntable(n, 2); Arrays.sort(p, (o1, o2) -> o2[0] - o1[0]); int[][][] dp = new int[2][k + 1][2]; for (int[][] v : dp) for (int[] u : v) Arrays.fill(u, Integer.MIN_VALUE / 2); dp[0][k][0] = 0; for (int i = 0; i < n; i++) { int from = i % 2; int to = from ^ 1; int x = p[i][0]; int y = p[i][1]; for (int j = 0; j <= k; j++) { dp[to][j][0] = Math.max(dp[from][j][0], dp[from][j][1] + y); if (j + x <= k) dp[to][j][1] = Math.max(dp[from][j][1], dp[from][j + x][0] + y); else { dp[to][j][1] = dp[from][j][1]; } } } int ret = 0; for (int s = 0; s <= k; s++) { ret = Math.max(ret, dp[n % 2][s][0]); ret = Math.max(ret, dp[n % 2][s][1]); } System.out.println(ret); } public static void main(String[] args) { new Thread(null, new Runnable() { @Override public void run() { long start = System.currentTimeMillis(); String debug = args.length > 0 ? args[0] : null; if (debug != null) { try { is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug)); } catch (Exception e) { throw new RuntimeException(e); } } reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768); solve(); out.flush(); tr((System.currentTimeMillis() - start) + "ms"); } }, "", 64000000).start(); } private static java.io.InputStream is = System.in; private static java.io.PrintWriter out = new java.io.PrintWriter(System.out); private static java.util.StringTokenizer tokenizer = null; private static java.io.BufferedReader reader; public static String next() { while (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new java.util.StringTokenizer(reader.readLine()); } catch (Exception e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } private static double nd() { return Double.parseDouble(next()); } private static long nl() { return Long.parseLong(next()); } private static int[] na(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = ni(); return a; } private static char[] ns() { return next().toCharArray(); } private static long[] nal(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nl(); return a; } private static int[][] ntable(int n, int m) { int[][] table = new int[n][m]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[i][j] = ni(); } } return table; } private static int[][] nlist(int n, int m) { int[][] table = new int[m][n]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[j][i] = ni(); } } return table; } private static int ni() { return Integer.parseInt(next()); } private static void tr(Object... o) { if (is != System.in) System.out.println(java.util.Arrays.deepToString(o)); } }