結果
問題 | No.1890 Many Sequences Sum Queries |
ユーザー | tenten |
提出日時 | 2024-07-30 08:22:41 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,384 bytes |
コンパイル時間 | 2,923 ms |
コンパイル使用メモリ | 82,404 KB |
実行使用メモリ | 58,516 KB |
最終ジャッジ日時 | 2024-07-30 08:22:51 |
合計ジャッジ時間 | 8,584 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 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | AC | 71 ms
51,448 KB |
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 | AC | 75 ms
51,152 KB |
ソースコード
import java.io.*; import java.util.*; import java.util.function.*; import java.util.stream.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int q = sc.nextInt(); long[] sums = new long[n + 1]; for (int i = 1; i <= n; i++) { sums[i] = sums[i - 1] + sc.nextInt(); } long[] sumsum = new long[n + 1]; for (int i = 1; i <= n; i++) { sumsum[i] = sumsum[i - 1] + sums[i]; } String result = IntStream.range(0, q).mapToObj(a -> { int target = sc.nextInt(); if (sumsum[n] < target) { return "-1"; } int left = 0; int right = n; while (right - left > 1) { int m = (left + right) / 2; if (sumsum[m] < target) { left = m; } else { right = m; } } int low = 0; int high = n; long current = sumsum[right - 1]; while (high - low > 1) { int m = (low + high) / 2; if (current + sums[m] < target) { low = m; } else { high = m; } } return String.valueOf((right - 1L) * right / 2 + high); }).collect(Collectors.joining("\n")); System.out.println(result); } } class Scanner { BufferedReader br; StringTokenizer st = new StringTokenizer(""); StringBuilder sb = new StringBuilder(); public Scanner() { try { br = new BufferedReader(new InputStreamReader(System.in)); } catch (Exception e) { } } public int nextInt() { return Integer.parseInt(next()); } public long nextLong() { return Long.parseLong(next()); } public double nextDouble() { return Double.parseDouble(next()); } public String next() { try { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } } catch (Exception e) { e.printStackTrace(); } finally { return st.nextToken(); } } }