Submission #552407
Source Code Expand
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 Main { static InputStream is; static PrintWriter out; static String INPUT = ""; static void solve() { int n = ni(); int[] a = na(n); int[] pos = new int[n]; int[] neg = new int[n]; int p = 0, q = 0; for(int i = 0;i < n;i++){ if(a[i] > 0){ pos[p++] = a[i]-1; }else{ neg[q++] = -a[i]-1; } } pos = Arrays.copyOf(pos, p); neg = Arrays.copyOf(neg, q); out.println((nimSatoWelterSymmetrically(pos)^nimSatoWelterSymmetrically(neg)) == 0 ? "Ben" : "Alyssa"); // out.println((nimSatoWelterAsymmetrically(pos)^nimSatoWelterAsymmetrically(neg)) == 0 ? "Ben" : "Alyssa"); } static long nimSatoWelterSymmetrically(int[] a) { int nim = 0; for(int v : a)nim ^= v; for(int i = 0;i < a.length;i++){ for(int j = i+1;j < a.length;j++){ nim ^= (a[i]^a[j])^(a[i]^a[j])-1; } } return nim; } static long nimSatoWelterAsymmetrically(int[] a) { int n = a.length; for(int i = 0;i < n;i++){ a[i] = Integer.reverse(a[i]<<2); } Arrays.sort(a); int nim = 0; for(int d = 10;d < 30;d++){ int p = 0; for(int i = 0;i < n-1;i++){ if(((a[i]^a[i+1])>>>d) == 0){ i++; nim ^= (Integer.reverse(a[i]^a[i+1])>>>2)-1; }else{ a[p++] = a[i]; } } n = p; } if(n > 0)nim ^= (Integer.reverse(a[0])>>>2) - 1; return nim; } public static void main(String[] args) throws Exception { long S = System.currentTimeMillis(); is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes()); out = new PrintWriter(System.out); solve(); out.flush(); long G = System.currentTimeMillis(); tr(G-S+"ms"); } private static boolean eof() { if(lenbuf == -1)return true; int lptr = ptrbuf; while(lptr < lenbuf)if(!isSpaceChar(inbuf[lptr++]))return false; try { is.mark(1000); while(true){ int b = is.read(); if(b == -1){ is.reset(); return true; }else if(!isSpaceChar(b)){ is.reset(); return false; } } } catch (IOException e) { return true; } } private static byte[] inbuf = new byte[1024]; static int lenbuf = 0, ptrbuf = 0; private static 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 static boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); } // private static boolean isSpaceChar(int c) { return !(c >= 32 && c <= 126); } private static int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; } private static double nd() { return Double.parseDouble(ns()); } private static char nc() { return (char)skip(); } private static String ns() { int b = skip(); StringBuilder sb = new StringBuilder(); while(!(isSpaceChar(b))){ sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } private static 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 static 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 static int[] na(int n) { int[] a = new int[n]; for(int i = 0;i < n;i++)a[i] = ni(); return a; } private static int ni() { int num = 0, 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 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) { if(INPUT.length() != 0)System.out.println(Arrays.deepToString(o)); } }
Submission Info
Submission Time | |
---|---|
Task | L - コインゲーム |
User | uwi |
Language | Java (OpenJDK 1.7.0) |
Score | 400 |
Code Size | 4673 Byte |
Status | AC |
Exec Time | 452 ms |
Memory | 25404 KB |
Judge Result
Set Name | Small | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 30 / 30 | 370 / 370 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Small | 00_sample_small_00.txt, 00_sample_small_01.txt, 11_small_00.txt, 11_small_01.txt, 11_small_02.txt, 11_small_03.txt, 11_small_04.txt, 11_small_05.txt, 11_small_06.txt, 11_small_07.txt, 11_small_08.txt, 11_small_09.txt, 14_small_10.txt, 14_small_11.txt, 14_small_12.txt, 14_small_13.txt, 14_small_14.txt, 14_small_15.txt, 14_small_16.txt, 14_small_17.txt, 14_small_18.txt, 14_small_19.txt, 14_small_20.txt, 14_small_21.txt, 14_small_22.txt, 14_small_23.txt, 14_small_24.txt, 14_small_25.txt, 14_small_26.txt, 14_small_27.txt, 14_small_28.txt, 14_small_29.txt |
All | 00_sample_small_00.txt, 00_sample_small_01.txt, 11_small_00.txt, 11_small_01.txt, 11_small_02.txt, 11_small_03.txt, 11_small_04.txt, 11_small_05.txt, 11_small_06.txt, 11_small_07.txt, 11_small_08.txt, 11_small_09.txt, 14_small_10.txt, 14_small_11.txt, 14_small_12.txt, 14_small_13.txt, 14_small_14.txt, 14_small_15.txt, 14_small_16.txt, 14_small_17.txt, 14_small_18.txt, 14_small_19.txt, 14_small_20.txt, 14_small_21.txt, 14_small_22.txt, 14_small_23.txt, 14_small_24.txt, 14_small_25.txt, 14_small_26.txt, 14_small_27.txt, 14_small_28.txt, 14_small_29.txt, 50_random_30.txt, 50_random_31.txt, 50_random_32.txt, 50_random_33.txt, 50_random_34.txt, 50_random_35.txt, 50_random_36.txt, 50_random_37.txt, 50_random_38.txt, 50_random_39.txt, 50_sample_00.txt, 60_Alyssa_41.txt, 60_Alyssa_42.txt, 60_Alyssa_43.txt, 60_Alyssa_48.txt, 60_Alyssa_51.txt, 60_Alyssa_52.txt, 60_Alyssa_54.txt, 60_Alyssa_55.txt, 60_Alyssa_57.txt, 60_Alyssa_58.txt, 60_Alyssa_59.txt, 60_Alyssa_62.txt, 60_Alyssa_64.txt, 60_Alyssa_65.txt, 60_Alyssa_66.txt, 60_Alyssa_67.txt, 60_Alyssa_68.txt, 60_Alyssa_69.txt, 60_Alyssa_70.txt, 60_Alyssa_74.txt, 60_Alyssa_75.txt, 60_Alyssa_76.txt, 60_Alyssa_77.txt, 60_Ben_40.txt, 60_Ben_44.txt, 60_Ben_45.txt, 60_Ben_46.txt, 60_Ben_47.txt, 60_Ben_49.txt, 60_Ben_50.txt, 60_Ben_53.txt, 60_Ben_56.txt, 60_Ben_60.txt, 60_Ben_61.txt, 60_Ben_63.txt, 60_Ben_71.txt, 60_Ben_72.txt, 60_Ben_73.txt, 60_Ben_78.txt, 60_Ben_79.txt, 70_Alyssa_80.txt, 70_Alyssa_82.txt, 70_Alyssa_83.txt, 70_Alyssa_85.txt, 70_Alyssa_86.txt, 70_Alyssa_89.txt, 70_Ben_81.txt, 70_Ben_84.txt, 70_Ben_87.txt, 70_Ben_88.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_sample_small_00.txt | AC | 372 ms | 23016 KB |
00_sample_small_01.txt | AC | 366 ms | 22896 KB |
11_small_00.txt | AC | 361 ms | 22836 KB |
11_small_01.txt | AC | 367 ms | 22852 KB |
11_small_02.txt | AC | 357 ms | 22892 KB |
11_small_03.txt | AC | 369 ms | 22828 KB |
11_small_04.txt | AC | 360 ms | 22884 KB |
11_small_05.txt | AC | 363 ms | 22972 KB |
11_small_06.txt | AC | 363 ms | 22788 KB |
11_small_07.txt | AC | 363 ms | 22880 KB |
11_small_08.txt | AC | 358 ms | 22848 KB |
11_small_09.txt | AC | 357 ms | 22872 KB |
14_small_10.txt | AC | 364 ms | 22856 KB |
14_small_11.txt | AC | 370 ms | 22880 KB |
14_small_12.txt | AC | 360 ms | 22788 KB |
14_small_13.txt | AC | 359 ms | 22880 KB |
14_small_14.txt | AC | 364 ms | 22832 KB |
14_small_15.txt | AC | 363 ms | 22856 KB |
14_small_16.txt | AC | 365 ms | 22764 KB |
14_small_17.txt | AC | 355 ms | 22864 KB |
14_small_18.txt | AC | 356 ms | 22776 KB |
14_small_19.txt | AC | 353 ms | 22668 KB |
14_small_20.txt | AC | 359 ms | 22756 KB |
14_small_21.txt | AC | 373 ms | 22664 KB |
14_small_22.txt | AC | 360 ms | 22780 KB |
14_small_23.txt | AC | 384 ms | 22804 KB |
14_small_24.txt | AC | 378 ms | 22788 KB |
14_small_25.txt | AC | 380 ms | 22832 KB |
14_small_26.txt | AC | 359 ms | 22844 KB |
14_small_27.txt | AC | 382 ms | 22876 KB |
14_small_28.txt | AC | 355 ms | 22856 KB |
14_small_29.txt | AC | 383 ms | 22820 KB |
50_random_30.txt | AC | 409 ms | 24484 KB |
50_random_31.txt | AC | 382 ms | 23820 KB |
50_random_32.txt | AC | 417 ms | 25092 KB |
50_random_33.txt | AC | 404 ms | 24344 KB |
50_random_34.txt | AC | 355 ms | 22764 KB |
50_random_35.txt | AC | 408 ms | 24504 KB |
50_random_36.txt | AC | 404 ms | 24596 KB |
50_random_37.txt | AC | 411 ms | 25072 KB |
50_random_38.txt | AC | 405 ms | 24332 KB |
50_random_39.txt | AC | 387 ms | 24272 KB |
50_sample_00.txt | AC | 353 ms | 22700 KB |
60_Alyssa_41.txt | AC | 390 ms | 23388 KB |
60_Alyssa_42.txt | AC | 403 ms | 24224 KB |
60_Alyssa_43.txt | AC | 410 ms | 24320 KB |
60_Alyssa_48.txt | AC | 419 ms | 25104 KB |
60_Alyssa_51.txt | AC | 380 ms | 23412 KB |
60_Alyssa_52.txt | AC | 405 ms | 24300 KB |
60_Alyssa_54.txt | AC | 375 ms | 23816 KB |
60_Alyssa_55.txt | AC | 395 ms | 24588 KB |
60_Alyssa_57.txt | AC | 407 ms | 24536 KB |
60_Alyssa_58.txt | AC | 396 ms | 24388 KB |
60_Alyssa_59.txt | AC | 386 ms | 23452 KB |
60_Alyssa_62.txt | AC | 385 ms | 22832 KB |
60_Alyssa_64.txt | AC | 386 ms | 24340 KB |
60_Alyssa_65.txt | AC | 363 ms | 23304 KB |
60_Alyssa_66.txt | AC | 404 ms | 25140 KB |
60_Alyssa_67.txt | AC | 392 ms | 24332 KB |
60_Alyssa_68.txt | AC | 376 ms | 23824 KB |
60_Alyssa_69.txt | AC | 407 ms | 24236 KB |
60_Alyssa_70.txt | AC | 407 ms | 24860 KB |
60_Alyssa_74.txt | AC | 406 ms | 25228 KB |
60_Alyssa_75.txt | AC | 403 ms | 24936 KB |
60_Alyssa_76.txt | AC | 397 ms | 25196 KB |
60_Alyssa_77.txt | AC | 392 ms | 24928 KB |
60_Ben_40.txt | AC | 420 ms | 25008 KB |
60_Ben_44.txt | AC | 410 ms | 24368 KB |
60_Ben_45.txt | AC | 408 ms | 24584 KB |
60_Ben_46.txt | AC | 397 ms | 24444 KB |
60_Ben_47.txt | AC | 418 ms | 24540 KB |
60_Ben_49.txt | AC | 421 ms | 24316 KB |
60_Ben_50.txt | AC | 410 ms | 24564 KB |
60_Ben_53.txt | AC | 398 ms | 24096 KB |
60_Ben_56.txt | AC | 425 ms | 25152 KB |
60_Ben_60.txt | AC | 374 ms | 23432 KB |
60_Ben_61.txt | AC | 382 ms | 24240 KB |
60_Ben_63.txt | AC | 395 ms | 24592 KB |
60_Ben_71.txt | AC | 422 ms | 25132 KB |
60_Ben_72.txt | AC | 426 ms | 25152 KB |
60_Ben_73.txt | AC | 406 ms | 24624 KB |
60_Ben_78.txt | AC | 419 ms | 25180 KB |
60_Ben_79.txt | AC | 410 ms | 24508 KB |
70_Alyssa_80.txt | AC | 438 ms | 24988 KB |
70_Alyssa_82.txt | AC | 438 ms | 25404 KB |
70_Alyssa_83.txt | AC | 436 ms | 25172 KB |
70_Alyssa_85.txt | AC | 416 ms | 24948 KB |
70_Alyssa_86.txt | AC | 415 ms | 25232 KB |
70_Alyssa_89.txt | AC | 452 ms | 25000 KB |
70_Ben_81.txt | AC | 405 ms | 24396 KB |
70_Ben_84.txt | AC | 413 ms | 25008 KB |
70_Ben_87.txt | AC | 440 ms | 24932 KB |
70_Ben_88.txt | AC | 415 ms | 25216 KB |