結果
問題 | No.871 かえるのうた |
ユーザー | k_6101 |
提出日時 | 2019-12-07 17:57:50 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,975 bytes |
コンパイル時間 | 2,231 ms |
コンパイル使用メモリ | 82,340 KB |
実行使用メモリ | 73,716 KB |
最終ジャッジ日時 | 2024-06-07 17:35:26 |
合計ジャッジ時間 | 23,769 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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 | 114 ms
41,124 KB |
testcase_01 | AC | 110 ms
39,876 KB |
testcase_02 | AC | 119 ms
41,328 KB |
testcase_03 | AC | 121 ms
41,532 KB |
testcase_04 | WA | - |
testcase_05 | AC | 120 ms
41,540 KB |
testcase_06 | AC | 116 ms
41,384 KB |
testcase_07 | AC | 122 ms
41,400 KB |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | AC | 161 ms
43,276 KB |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | AC | 955 ms
65,180 KB |
testcase_15 | WA | - |
testcase_16 | AC | 1,052 ms
61,980 KB |
testcase_17 | AC | 979 ms
62,372 KB |
testcase_18 | AC | 417 ms
48,716 KB |
testcase_19 | WA | - |
testcase_20 | AC | 256 ms
48,308 KB |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | AC | 120 ms
41,568 KB |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | AC | 119 ms
41,364 KB |
testcase_29 | AC | 634 ms
50,908 KB |
testcase_30 | WA | - |
testcase_31 | AC | 194 ms
44,784 KB |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | AC | 440 ms
51,092 KB |
testcase_35 | WA | - |
testcase_36 | AC | 787 ms
55,860 KB |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | AC | 695 ms
54,912 KB |
testcase_41 | AC | 113 ms
41,324 KB |
testcase_42 | AC | 516 ms
52,960 KB |
testcase_43 | AC | 117 ms
41,456 KB |
testcase_44 | AC | 134 ms
41,436 KB |
testcase_45 | AC | 182 ms
43,960 KB |
testcase_46 | AC | 117 ms
41,132 KB |
testcase_47 | AC | 115 ms
41,076 KB |
testcase_48 | AC | 96 ms
41,388 KB |
ソースコード
import java.io.InputStream; import java.io.PrintWriter; import java.lang.reflect.Array; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.Map; import java.util.Map.Entry; import java.util.PriorityQueue; import java.util.Scanner; import java.util.Set; import java.util.Stack; import java.util.TreeMap; import java.util.TreeSet; import static java.util.Comparator.*; public class Main { public static void main(String[] args) { PrintWriter out = new PrintWriter(System.out); Solver solver = new Solver(System.in, out); solver.solve(); out.close(); } } class Solver { Scanner sc; PrintWriter out; public Solver(InputStream in, PrintWriter out) { sc = new Scanner(in); this.out = out; } // ================================================================== TreeMap<Long, Long> map = new TreeMap<>(); public void solve() { int N = Integer.parseInt(sc.next()); int K = Integer.parseInt(sc.next()) - 1; long[] X = new long[N]; long[] A = new long[N]; for (int i = 0; i < N; i++) { X[i] = Long.parseLong(sc.next()); } for (int i = 0; i < N; i++) { A[i] = Long.parseLong(sc.next()); } for (int i = 0; i < N; i++) { map.put(X[i], A[i]); } long min = X[K], svMin = min; long max = X[K], svMax = max; long lkey = X[K] - A[K] - 1; long rkey = X[K] + A[K] + 1; Entry<Long, Long> low; Entry<Long, Long> high; while(true) { // out.println("min = " + min + " lkey = " + lkey + " max = " + max + " rkey = " + rkey); low = map.higherEntry(lkey); high = map.lowerEntry(rkey); if(low != null) { // out.println(" low : X = " + low.getKey() + " A = " + low.getValue()); min = Math.min(min, low.getKey()); lkey = Math.min(lkey, low.getKey() - low.getValue() - 1); max = Math.max(max, low.getKey()); rkey = Math.max(rkey, low.getKey() + low.getValue() + 1); } if(high != null) { // out.println(" high : X = " + high.getKey() + " A = " + high.getValue()); min = Math.min(min, high.getKey()); lkey = Math.min(lkey, high.getKey() - high.getValue() - 1); max = Math.max(max, high.getKey()); rkey = Math.max(rkey, high.getKey() + high.getValue() + 1); } if(min == svMin && max == svMax) break; svMin = min; svMax = max; } int ans = 0; for (int i = 0; i < N; i++) { if(X[i] >= min && X[i] <= max) ans++; } out.println(ans); } class PP{ public int key, val; public PP(int key, int val) { this.key = key; this.val = val; } public int getKey() { return key; } public void setKey(int key) { this.key = key; } public int getVal() { return val; } public void setVal(int val) { this.val = val; } } }