結果
問題 | No.45 回転寿司 |
ユーザー | wdkkou |
提出日時 | 2019-08-08 18:54:28 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 51 ms / 5,000 ms |
コード長 | 2,766 bytes |
コンパイル時間 | 2,682 ms |
コンパイル使用メモリ | 77,832 KB |
実行使用メモリ | 36,876 KB |
最終ジャッジ日時 | 2024-07-18 20:49:28 |
合計ジャッジ時間 | 5,669 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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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 | 47 ms
36,604 KB |
testcase_01 | AC | 45 ms
36,312 KB |
testcase_02 | AC | 46 ms
36,780 KB |
testcase_03 | AC | 47 ms
36,280 KB |
testcase_04 | AC | 47 ms
36,328 KB |
testcase_05 | AC | 48 ms
36,200 KB |
testcase_06 | AC | 46 ms
36,712 KB |
testcase_07 | AC | 48 ms
36,592 KB |
testcase_08 | AC | 47 ms
36,748 KB |
testcase_09 | AC | 47 ms
36,748 KB |
testcase_10 | AC | 47 ms
36,472 KB |
testcase_11 | AC | 47 ms
36,696 KB |
testcase_12 | AC | 48 ms
36,524 KB |
testcase_13 | AC | 47 ms
36,780 KB |
testcase_14 | AC | 48 ms
36,600 KB |
testcase_15 | AC | 46 ms
36,616 KB |
testcase_16 | AC | 45 ms
36,600 KB |
testcase_17 | AC | 45 ms
36,780 KB |
testcase_18 | AC | 47 ms
36,612 KB |
testcase_19 | AC | 48 ms
36,328 KB |
testcase_20 | AC | 46 ms
36,696 KB |
testcase_21 | AC | 45 ms
36,876 KB |
testcase_22 | AC | 46 ms
36,564 KB |
testcase_23 | AC | 46 ms
36,808 KB |
testcase_24 | AC | 51 ms
36,532 KB |
testcase_25 | AC | 47 ms
36,556 KB |
testcase_26 | AC | 48 ms
36,680 KB |
testcase_27 | AC | 49 ms
36,696 KB |
testcase_28 | AC | 48 ms
36,312 KB |
testcase_29 | AC | 46 ms
36,684 KB |
testcase_30 | AC | 46 ms
36,808 KB |
testcase_31 | AC | 45 ms
36,460 KB |
testcase_32 | AC | 47 ms
36,412 KB |
testcase_33 | AC | 45 ms
36,816 KB |
ソースコード
import java.util.*; import java.io.*; public class Main { public static void main(String[] args) { FastScanner sc = new FastScanner(); int n = sc.nextInt(); int[] v = new int[n]; for (int i = 0; i < n; i++) { v[i] = sc.nextInt(); } int[] dp = new int[n + 1]; dp[0] = 0; dp[1] = v[0]; for (int i = 2; i <= n; i++) { dp[i] = Math.max(dp[i - 1], dp[i - 2] + v[i - 1]); } System.out.println(dp[n]); } } class FastScanner { private final 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; } public boolean hasNext() { while (hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; 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() { long nl = nextLong(); if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException(); return (int) nl; } public double nextDouble() { return Double.parseDouble(next()); } }