結果
問題 | No.1890 Many Sequences Sum Queries |
ユーザー | tenten |
提出日時 | 2023-02-24 09:47:46 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,182 bytes |
コンパイル時間 | 3,880 ms |
コンパイル使用メモリ | 83,856 KB |
実行使用メモリ | 57,844 KB |
最終ジャッジ日時 | 2024-07-26 18:48:24 |
合計ジャッジ時間 | 8,948 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 50 ms
50,468 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 | 52 ms
50,120 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 q = sc.nextInt(); Unit.values = new int[n]; for (int i = 0; i < n; i++) { Unit.values[i] = sc.nextInt(); } Unit[] units = new Unit[n]; int current = 0; for (int i = 0; i < n; i++) { units[i] = new Unit(current, i + 1); current = units[i].last; } StringBuilder sb = new StringBuilder(); while (q-- > 0) { int x = sc.nextInt(); if (x > units[n - 1].last) { sb.append("-1\n"); continue; } int ans = 0; for (int i = 0; i < n; i++) { if (x <= units[i].last) { ans += units[i].getIdx(x); break; } else { ans += units[i].count; } } sb.append(ans).append("\n"); } System.out.print(sb); } static class Unit { static int[] values; int start; int count; int last; public Unit(int start, int count) { this.start = start; this.count = count; last = start; for (int i = 0; i < count; i++) { last += values[i]; } } public int getIdx(int x) { x -= start; for (int i = 0; i < count; i++) { x -= values[i]; if (x <= 0) { return i + 1; } } return -1; } } static int getGCD(int x, int y) { if (y == 0) { return x; } else { return getGCD(y, x % y); } } } 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(); } }