結果
問題 | No.1060 素敵な宝箱 |
ユーザー | tenten |
提出日時 | 2023-06-08 08:42:39 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 152 ms / 2,000 ms |
コード長 | 3,131 bytes |
コンパイル時間 | 2,378 ms |
コンパイル使用メモリ | 80,348 KB |
実行使用メモリ | 57,172 KB |
最終ジャッジ日時 | 2023-08-28 23:48:58 |
合計ジャッジ時間 | 6,507 ms |
ジャッジサーバーID (参考情報) |
judge12 / judge14 |
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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 | 42 ms
49,840 KB |
testcase_01 | AC | 42 ms
50,088 KB |
testcase_02 | AC | 42 ms
49,744 KB |
testcase_03 | AC | 42 ms
49,692 KB |
testcase_04 | AC | 42 ms
49,780 KB |
testcase_05 | AC | 42 ms
49,664 KB |
testcase_06 | AC | 43 ms
49,680 KB |
testcase_07 | AC | 42 ms
49,688 KB |
testcase_08 | AC | 62 ms
50,764 KB |
testcase_09 | AC | 60 ms
50,724 KB |
testcase_10 | AC | 58 ms
50,688 KB |
testcase_11 | AC | 57 ms
50,712 KB |
testcase_12 | AC | 110 ms
52,972 KB |
testcase_13 | AC | 119 ms
55,060 KB |
testcase_14 | AC | 121 ms
54,264 KB |
testcase_15 | AC | 138 ms
56,432 KB |
testcase_16 | AC | 131 ms
55,996 KB |
testcase_17 | AC | 110 ms
52,272 KB |
testcase_18 | AC | 118 ms
55,204 KB |
testcase_19 | AC | 111 ms
54,944 KB |
testcase_20 | AC | 132 ms
56,024 KB |
testcase_21 | AC | 128 ms
56,060 KB |
testcase_22 | AC | 134 ms
56,028 KB |
testcase_23 | AC | 118 ms
55,392 KB |
testcase_24 | AC | 151 ms
57,028 KB |
testcase_25 | AC | 152 ms
57,172 KB |
testcase_26 | AC | 151 ms
56,840 KB |
ソースコード
import java.io.*; import java.util.*; import java.util.stream.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int m = sc.nextInt(); Box[] boxes = new Box[n]; int[] sums = new int[m]; for (int i = 0; i < n; i++) { int[] values = new int[m]; for (int j = 0; j < m; j++) { values[j] = sc.nextInt(); sums[j] += values[j]; } boxes[i] = new Box(values); } Box.values = sums; for (Box b : boxes) { b.calc(); } Arrays.sort(boxes); long[] ev = new long[m]; long[] od = new long[m]; for (int i = 0; i < n; i++) { if (i % 2 == 0) { boxes[i].add(ev); } else { boxes[i].add(od); } } long ans = 0; for (int i = 0; i < m; i++) { ans -= ev[i] * ev[i] - od[i] * od[i]; } System.out.println(ans); } static class Box implements Comparable<Box> { static int[] values; int[] counts; long score; public Box(int[] counts) { this.counts = counts; } public void calc() { for (int i = 0; i < counts.length; i++) { score += values[i] * counts[i]; } } public int compareTo(Box another) { if (score == another.score) { return 0; } else if (score < another.score) { return -1; } else { return 1; } } public void add(long[] arr) { for (int i = 0; i < arr.length; i++) { arr[i] += counts[i]; } } } } class Utilities { static String arrayToLineString(Object[] arr) { return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n")); } static String arrayToLineString(int[] arr) { return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new)); } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); StringBuilder sb = new StringBuilder(); 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 int[] nextIntArray() throws Exception { return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray(); } public String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }