結果
問題 | No.1170 Never Want to Walk |
ユーザー | 37zigen |
提出日時 | 2020-05-20 14:42:52 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 390 ms / 2,000 ms |
コード長 | 4,412 bytes |
コンパイル時間 | 2,243 ms |
コンパイル使用メモリ | 79,912 KB |
実行使用メモリ | 59,732 KB |
最終ジャッジ日時 | 2024-07-03 10:09:40 |
合計ジャッジ時間 | 10,139 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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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 | 50 ms
49,800 KB |
testcase_01 | AC | 53 ms
49,920 KB |
testcase_02 | AC | 50 ms
49,784 KB |
testcase_03 | AC | 49 ms
49,804 KB |
testcase_04 | AC | 53 ms
50,156 KB |
testcase_05 | AC | 51 ms
49,864 KB |
testcase_06 | AC | 51 ms
49,812 KB |
testcase_07 | AC | 54 ms
49,760 KB |
testcase_08 | AC | 51 ms
49,660 KB |
testcase_09 | AC | 49 ms
50,160 KB |
testcase_10 | AC | 50 ms
50,144 KB |
testcase_11 | AC | 50 ms
50,124 KB |
testcase_12 | AC | 60 ms
50,324 KB |
testcase_13 | AC | 62 ms
50,376 KB |
testcase_14 | AC | 59 ms
49,836 KB |
testcase_15 | AC | 59 ms
50,296 KB |
testcase_16 | AC | 58 ms
50,052 KB |
testcase_17 | AC | 59 ms
50,264 KB |
testcase_18 | AC | 59 ms
50,172 KB |
testcase_19 | AC | 60 ms
50,548 KB |
testcase_20 | AC | 64 ms
50,188 KB |
testcase_21 | AC | 60 ms
50,132 KB |
testcase_22 | AC | 59 ms
49,860 KB |
testcase_23 | AC | 58 ms
49,864 KB |
testcase_24 | AC | 57 ms
50,220 KB |
testcase_25 | AC | 57 ms
50,016 KB |
testcase_26 | AC | 58 ms
50,076 KB |
testcase_27 | AC | 368 ms
59,120 KB |
testcase_28 | AC | 354 ms
59,732 KB |
testcase_29 | AC | 376 ms
59,200 KB |
testcase_30 | AC | 380 ms
59,060 KB |
testcase_31 | AC | 351 ms
58,976 KB |
testcase_32 | AC | 344 ms
59,464 KB |
testcase_33 | AC | 351 ms
57,884 KB |
testcase_34 | AC | 363 ms
59,348 KB |
testcase_35 | AC | 375 ms
58,800 KB |
testcase_36 | AC | 356 ms
58,568 KB |
testcase_37 | AC | 390 ms
59,404 KB |
testcase_38 | AC | 371 ms
59,244 KB |
ソースコード
// 制約侵害の確認 import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.Comparator; import java.util.HashMap; import java.util.NoSuchElementException; public class Main{ public static void main(String[] args) { new Main().run(); } class DJSet { int n; int[] upper,left,right; public DJSet(int n) { this.n=n; upper=new int[n]; left=new int[n]; right=new int[n]; Arrays.fill(upper, -1); for (int i=0;i<n;++i) { left[i]=i; right[i]=i; } } boolean equiv(int x,int y) { return root(x)==root(y); } int root(int x) { return upper[x]<0?x:(upper[x]=root(upper[x])); } int left(int x) { return left[root(x)]; } int right(int x) { return right[root(x)]; } int sz(int x) { return -upper[root(x)]; } void unite(int x,int y) { x=root(x);y=root(y); if (x==y) return; if (upper[x]<upper[y]) { x^=y;y^=x;x^=y; } left[y] =Math.min(left[x], left[y]); right[y]=Math.max(right[x], right[y]); upper[y]+=upper[x]; upper[x]=y; } void unite_range(int a,int b) { if (a>b) return; while (right(a)<b) { unite(right(a),right(a)+1); } } } int lower_bound(int[] a,int key) { int n=a.length; int ng=-1,ok=n; while (ok-ng>1) { int m=(ok+ng)/2; if (a[m]<key) ng=m; else ok=m; } return ok; } void run() { FastScanner sc=new FastScanner(); int N=sc.nextInt(); int A=sc.nextInt(); int B=sc.nextInt(); //================================================ assert(2<=N&&N<=2e5); assert(1<=A&&A<=B&&B<=1e9); //================================================ int[] x=new int[N]; for (int i=0;i<N;++i) { x[i]=sc.nextInt(); //================================================ assert(0<=x[i]&&x[i]<=1e9); assert(i==0||x[i-1]<x[i]); //================================================ } DJSet ds=new DJSet(N); for (int i=0;i<N;++i) { int a=Math.max(0, lower_bound(x,x[i]+A)); int b=Math.min(N-1,lower_bound(x,x[i]+B+1)-1); ds.unite_range(a, b); if (a<=b) ds.unite(i, a); } PrintWriter pw=new PrintWriter(System.out); for (int i=0;i<N;++i) { pw.println(ds.sz(i)); } pw.flush(); } void tr(Object...objects) {System.out.println(Arrays.deepToString(objects));} } class FastScanner { private final InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; private boolean hasNextByte() { if (ptr < buflen) { return true; }else{ ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) { return false; } } return true; } private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;} private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;} public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();} public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while(isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while(true){ if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; }else if(b == -1 || !isPrintableChar(b)){ return minus ? -n : n; }else{ throw new NumberFormatException(); } b = readByte(); } } public int nextInt() { long nl = nextLong(); if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException(); return (int) nl; } public double nextDouble() { return Double.parseDouble(next());} }