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 17:20:30 |
言語 | Java (openjdk 23) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,658 bytes |
コンパイル時間 | 2,308 ms |
コンパイル使用メモリ | 81,896 KB |
実行使用メモリ | 76,356 KB |
最終ジャッジ日時 | 2024-12-26 00:42:16 |
合計ジャッジ時間 | 26,205 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | AC | 127 ms
41,240 KB |
testcase_01 | WA | - |
testcase_02 | AC | 118 ms
40,820 KB |
testcase_03 | AC | 131 ms
41,220 KB |
testcase_04 | WA | - |
testcase_05 | AC | 139 ms
41,356 KB |
testcase_06 | WA | - |
testcase_07 | AC | 133 ms
41,464 KB |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | AC | 185 ms
43,092 KB |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | AC | 1,256 ms
74,844 KB |
testcase_15 | WA | - |
testcase_16 | AC | 958 ms
76,356 KB |
testcase_17 | AC | 987 ms
71,852 KB |
testcase_18 | AC | 375 ms
48,500 KB |
testcase_19 | WA | - |
testcase_20 | AC | 300 ms
48,208 KB |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | AC | 133 ms
41,416 KB |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | AC | 130 ms
41,300 KB |
testcase_29 | AC | 708 ms
50,600 KB |
testcase_30 | WA | - |
testcase_31 | AC | 199 ms
44,744 KB |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | AC | 465 ms
50,960 KB |
testcase_35 | WA | - |
testcase_36 | AC | 959 ms
52,748 KB |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | AC | 675 ms
53,800 KB |
testcase_41 | AC | 122 ms
40,872 KB |
testcase_42 | AC | 619 ms
52,884 KB |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | AC | 120 ms
41,200 KB |
testcase_47 | AC | 122 ms
41,232 KB |
testcase_48 | AC | 107 ms
41,224 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()); 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-1]; long lkey = X[K-1] - A[K-1] - 1; Entry<Long, Long> low; while(true) { low = map.higherEntry(lkey); if(low == null || low.getKey() == min) break; // out.println(" low : min = " + min + " lkey = " + lkey // + " X = " + low.getKey() + " A = " + low.getValue()); min = low.getKey(); lkey = low.getKey() - low.getValue() - 1; } long max = X[K-1]; long rkey = X[K-1] + A[K-1] + 1; Entry<Long, Long> high; while(true) { high = map.lowerEntry(rkey); if(high == null || high.getKey() == max) break; // out.println(" high : max = " + max + " rkey = " + rkey // + " X = " + low.getKey() + " A = " + low.getValue()); max = high.getKey(); rkey = high.getKey() + high.getValue() + 1; } int ans = 0; for (int i = 0; i < N; i++) { if(X[i] >= min && X[i] <= max) ans++; if(X[i] > max) break; } 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; } } }