結果
問題 | No.670 log は定数 |
ユーザー | uwi |
提出日時 | 2018-03-23 22:57:10 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 871 ms / 4,000 ms |
コード長 | 4,375 bytes |
コンパイル時間 | 4,476 ms |
コンパイル使用メモリ | 83,604 KB |
実行使用メモリ | 55,140 KB |
最終ジャッジ日時 | 2024-06-24 22:35:09 |
合計ジャッジ時間 | 13,417 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 844 ms
54,768 KB |
testcase_01 | AC | 847 ms
54,184 KB |
testcase_02 | AC | 809 ms
54,352 KB |
testcase_03 | AC | 864 ms
55,140 KB |
testcase_04 | AC | 812 ms
54,268 KB |
testcase_05 | AC | 850 ms
54,204 KB |
testcase_06 | AC | 815 ms
54,444 KB |
testcase_07 | AC | 859 ms
54,292 KB |
testcase_08 | AC | 825 ms
54,300 KB |
testcase_09 | AC | 871 ms
54,564 KB |
ソースコード
package contest180323; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; public class E2 { InputStream is; PrintWriter out; String INPUT = ""; long seed; int next() { seed ^= seed<<13; seed ^= seed>>>7; seed ^= seed<<17; return (int)(seed >>> 33); } void solve() { int n = ni(), Q = ni(); seed = ni(); for(int i = 0;i < 10000;i++)next(); int[] a = new int[n]; for(int i = 0;i < n;i++)a[i] = next(); a = radixSort(a); int B = 12; int[] u = new int[(1<<31-B)+1]; for(int i = 0;i < n;i++){ u[(a[i]>>>B)+1]++; } for(int i = 1;i <= 1<<31-B;i++){ u[i] += u[i-1]; } long sm = 0; for(int i = 0;i < Q;i++){ int x = next(); int low = u[x>>>B]-1, high = u[(x>>>B)+1]; while(high-low > 1){ int h = high+low>>>1; if(a[h] >= x){ high = h; }else{ low = h; } } sm ^= (long)high * i; } out.println(sm); } public static int[] radixSort(int[] f){ return radixSort(f, f.length); } public static int[] radixSort(int[] f, int n) { int[] to = new int[n]; { int[] b = new int[65537]; for(int i = 0;i < n;i++)b[1+(f[i]&0xffff)]++; for(int i = 1;i <= 65536;i++)b[i]+=b[i-1]; for(int i = 0;i < n;i++)to[b[f[i]&0xffff]++] = f[i]; int[] d = f; f = to;to = d; } { int[] b = new int[65537]; for(int i = 0;i < n;i++)b[1+(f[i]>>>16)]++; for(int i = 1;i <= 65536;i++)b[i]+=b[i-1]; for(int i = 0;i < n;i++)to[b[f[i]>>>16]++] = f[i]; int[] d = f; f = to;to = d; } return f; } void run() throws Exception { is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes()); out = new PrintWriter(System.out); long s = System.currentTimeMillis(); solve(); out.flush(); if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); // Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){ // @Override // public void run() { // long s = System.currentTimeMillis(); // solve(); // out.flush(); // if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); // } // }; // t.start(); // t.join(); } public static void main(String[] args) throws Exception { new E2().run(); } private byte[] inbuf = new byte[1024]; public int lenbuf = 0, ptrbuf = 0; private int readByte() { if(lenbuf == -1)throw new InputMismatchException(); if(ptrbuf >= lenbuf){ ptrbuf = 0; try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); } if(lenbuf <= 0)return -1; } return inbuf[ptrbuf++]; } private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); } private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; } private double nd() { return Double.parseDouble(ns()); } private char nc() { return (char)skip(); } private String ns() { int b = skip(); StringBuilder sb = new StringBuilder(); while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ') sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } private char[] ns(int n) { char[] buf = new char[n]; int b = skip(), p = 0; while(p < n && !(isSpaceChar(b))){ buf[p++] = (char)b; b = readByte(); } return n == p ? buf : Arrays.copyOf(buf, p); } private int[] na(int n) { int[] a = new int[n]; for(int i = 0;i < n;i++)a[i] = ni(); return a; } private long[] nal(int n) { long[] a = new long[n]; for(int i = 0;i < n;i++)a[i] = nl(); return a; } private char[][] nm(int n, int m) { char[][] map = new char[n][]; for(int i = 0;i < n;i++)map[i] = ns(m); return map; } private int[][] nmi(int n, int m) { int[][] map = new int[n][]; for(int i = 0;i < n;i++)map[i] = na(m); return map; } private int ni() { return (int)nl(); } private long nl() { long num = 0; int b; boolean minus = false; while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); if(b == '-'){ minus = true; b = readByte(); } while(true){ if(b >= '0' && b <= '9'){ num = num * 10 + (b - '0'); }else{ return minus ? -num : num; } b = readByte(); } } private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); } }