結果
問題 | No.1606 Stuffed Animals Keeper |
ユーザー | tenten |
提出日時 | 2022-08-18 14:26:25 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 199 ms / 3,000 ms |
コード長 | 2,740 bytes |
コンパイル時間 | 2,375 ms |
コンパイル使用メモリ | 78,304 KB |
実行使用メモリ | 56,316 KB |
最終ジャッジ日時 | 2024-04-15 22:44:45 |
合計ジャッジ時間 | 10,284 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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 | 53 ms
37,188 KB |
testcase_01 | AC | 53 ms
37,184 KB |
testcase_02 | AC | 54 ms
37,068 KB |
testcase_03 | AC | 167 ms
47,844 KB |
testcase_04 | AC | 175 ms
47,800 KB |
testcase_05 | AC | 108 ms
40,068 KB |
testcase_06 | AC | 130 ms
41,388 KB |
testcase_07 | AC | 167 ms
47,836 KB |
testcase_08 | AC | 169 ms
47,580 KB |
testcase_09 | AC | 119 ms
41,204 KB |
testcase_10 | AC | 106 ms
40,392 KB |
testcase_11 | AC | 88 ms
38,984 KB |
testcase_12 | AC | 129 ms
41,164 KB |
testcase_13 | AC | 91 ms
38,960 KB |
testcase_14 | AC | 90 ms
38,904 KB |
testcase_15 | AC | 92 ms
38,564 KB |
testcase_16 | AC | 195 ms
52,036 KB |
testcase_17 | AC | 187 ms
52,116 KB |
testcase_18 | AC | 184 ms
51,840 KB |
testcase_19 | AC | 193 ms
52,164 KB |
testcase_20 | AC | 185 ms
52,192 KB |
testcase_21 | AC | 137 ms
42,456 KB |
testcase_22 | AC | 131 ms
42,180 KB |
testcase_23 | AC | 140 ms
41,940 KB |
testcase_24 | AC | 148 ms
42,356 KB |
testcase_25 | AC | 144 ms
42,228 KB |
testcase_26 | AC | 114 ms
40,308 KB |
testcase_27 | AC | 116 ms
40,188 KB |
testcase_28 | AC | 112 ms
40,376 KB |
testcase_29 | AC | 116 ms
40,236 KB |
testcase_30 | AC | 106 ms
39,720 KB |
testcase_31 | AC | 105 ms
39,528 KB |
testcase_32 | AC | 93 ms
38,936 KB |
testcase_33 | AC | 102 ms
39,864 KB |
testcase_34 | AC | 93 ms
38,952 KB |
testcase_35 | AC | 101 ms
39,492 KB |
testcase_36 | AC | 105 ms
39,256 KB |
testcase_37 | AC | 105 ms
39,852 KB |
testcase_38 | AC | 101 ms
39,208 KB |
testcase_39 | AC | 84 ms
38,808 KB |
testcase_40 | AC | 92 ms
38,516 KB |
testcase_41 | AC | 86 ms
38,904 KB |
testcase_42 | AC | 93 ms
38,868 KB |
testcase_43 | AC | 199 ms
56,316 KB |
testcase_44 | AC | 190 ms
52,156 KB |
testcase_45 | AC | 196 ms
56,068 KB |
testcase_46 | AC | 189 ms
52,168 KB |
testcase_47 | AC | 197 ms
56,280 KB |
testcase_48 | AC | 55 ms
37,072 KB |
testcase_49 | AC | 53 ms
37,160 KB |
testcase_50 | AC | 52 ms
36,884 KB |
ソースコード
import java.io.*; import java.util.*; public class Main { static ArrayList<Animal> animals = new ArrayList<>(); static int[][] dp; public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int meat = 0; int grass = 0; int sumMeat = 0; for (int i = 0; i < n; i++) { int x = sc.nextInt(); if (x == 0) { meat++; } else if (x == 1) { grass++; } else { if (meat > 0 || grass > 0) { animals.add(new Animal(meat, grass)); sumMeat += meat; meat = 0; grass = 0; } } } if (meat > 0 || grass > 0) { animals.add(new Animal(meat, grass)); sumMeat += meat; } dp = new int[animals.size()][sumMeat + 1]; for (int[] arr : dp) { Arrays.fill(arr, -1); } int ans = dfw(animals.size() - 1, sumMeat); if (ans >= Integer.MAX_VALUE / 2) { System.out.println(-1); } else { System.out.println(ans / 2); } } static int dfw(int idx, int value) { if (value < 0) { return Integer.MAX_VALUE / 2; } if (idx < 0) { if (value == 0) { return 0; } else { return Integer.MAX_VALUE / 2; } } if (dp[idx][value] < 0) { dp[idx][value] = Math.min(dfw(idx - 1, value) + animals.get(idx).meat, dfw(idx - 1, value - animals.get(idx).sum()) + animals.get(idx).grass); } return dp[idx][value]; } static class Animal { int meat; int grass; public Animal(int meat, int grass) { this.meat = meat; this.grass = grass; } public int sum() { return meat + grass; } } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); public Scanner() throws Exception { } public int nextInt() throws Exception { return Integer.parseInt(next()); } public long nextLong() throws Exception { return Long.parseLong(next()); } public double nextDouble() throws Exception { return Double.parseDouble(next()); } public String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }