結果
問題 | No.818 Dinner time |
ユーザー | hiromi_ayase |
提出日時 | 2019-04-20 17:49:27 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,031 bytes |
コンパイル時間 | 2,483 ms |
コンパイル使用メモリ | 88,820 KB |
実行使用メモリ | 63,332 KB |
最終ジャッジ日時 | 2024-10-01 19:28:18 |
合計ジャッジ時間 | 10,914 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
(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 | 76 ms
38,072 KB |
testcase_01 | AC | 76 ms
38,220 KB |
testcase_02 | AC | 74 ms
38,172 KB |
testcase_03 | AC | 77 ms
38,264 KB |
testcase_04 | WA | - |
testcase_05 | AC | 75 ms
37,952 KB |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | AC | 73 ms
37,956 KB |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | AC | 80 ms
38,220 KB |
testcase_15 | AC | 79 ms
38,340 KB |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
ソースコード
public class Main { private static void solve() { int n = ni(); long m = ni(); int[][] p = ntable(n, 2); // dp[i][k回使った] long[][] dp = new long[n][3]; for (int i = 0; i < n; i++) { dp[i][0] = 0; dp[i][1] = Math.max(p[i][0], p[i][1]); dp[i][2] = Math.max(p[i][0] * m, p[i][0] * (m-1) + p[i][1]); if (i > 0) { dp[i][0] += Math.max(dp[i-1][2], Math.max(dp[i-1][0], dp[i-1][1])); dp[i][1] += Math.max(dp[i-1][2], dp[i-1][1]); dp[i][2] += dp[i-1][2]; } else { dp[i][0] = Integer.MIN_VALUE; } } System.out.println(Math.max(dp[n-1][2], Math.max(dp[n-1][0], dp[n-1][1]))); } 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)); } }