Submission #1115981
Source Code Expand
import java.io.IOException; import java.io.InputStream; import java.util.NoSuchElementException; public class Main { public static void main(String[] args) { FastScanner sc = new FastScanner(); int N = sc.nextInt(); char[] s = sc.next().toCharArray(); int[][] arr = {{1, 1}, {-1, -1}, {1, -1}, {-1, 1}}; int[] ret = null; for (int[] v : arr) { ret = make(v[0], v[1], s); if (ret != null) { break; } } if (ret == null) { System.out.println(-1); } else { StringBuilder sb = new StringBuilder(); for (int v : ret) { sb.append(v == 1 ? "S" : "W"); } System.out.println(sb); } } private static int[] make(int a, int b, char[] s) { int n = s.length;; int[] ret = new int[n]; ret[0] = a; ret[1] = b; for (int i = 2; i < n; i ++) { if (ret[i - 1] == 1) { // sheep ret[i] = s[i - 1] == 'o' ? ret[i - 2] : -ret[i - 2]; } else { // wolf ret[i] = s[i - 1] == 'o' ? -ret[i - 2] : ret[i - 2]; } } if (ret[n - 1] == 1) { // sheep if (s[n - 1] == 'o' && ret[n - 2] != ret[0] || s[n - 1] == 'x' && ret[n - 2] == ret[0] ) { return null; } } else { // wolf if (s[n - 1] == 'o' && ret[n - 2] == ret[0] || s[n - 1] == 'x' && ret[n - 2] != ret[0] ) { return null; } } return ret; } } class FastScanner { public static String debug = null; private final InputStream in = System.in; private int ptr = 0; private int buflen = 0; private byte[] buffer = new byte[1024]; private boolean eos = false; private boolean hasNextByte() { if (ptr < buflen) { return true; } else { ptr = 0; try { if (debug != null) { buflen = debug.length(); buffer = debug.getBytes(); debug = ""; eos = true; } else { buflen = in.read(buffer); } } catch (IOException e) { e.printStackTrace(); } if (buflen < 0) { eos = true; return false; } else 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; } private void skipUnprintable() { while (hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; } public boolean isEOS() { return this.eos; } public boolean hasNext() { skipUnprintable(); 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() { return (int) nextLong(); } public long[] nextLongList(int n) { return nextLongTable(1, n)[0]; } public int[] nextIntList(int n) { return nextIntTable(1, n)[0]; } public long[][] nextLongTable(int n, int m) { long[][] ret = new long[n][m]; for (int i = 0; i < n; i ++) { for (int j = 0; j < m; j ++) { ret[i][j] = nextLong(); } } return ret; } public int[][] nextIntTable(int n, int m) { int[][] ret = new int[n][m]; for (int i = 0; i < n; i ++) { for (int j = 0; j < m; j ++) { ret[i][j] = nextInt(); } } return ret; } }
Submission Info
Submission Time | |
---|---|
Task | D - Menagerie |
User | hiromi_ayase |
Language | Java8 (OpenJDK 1.8.0) |
Score | 0 |
Code Size | 4111 Byte |
Status | WA |
Exec Time | 120 ms |
Memory | 24632 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 500 | ||||||
Status |
|
|
Set Name | Test Cases |
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Sample | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt |
All | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_example_01.txt | AC | 67 ms | 19156 KB |
00_example_02.txt | AC | 113 ms | 18900 KB |
00_example_03.txt | AC | 68 ms | 21332 KB |
01.txt | WA | 101 ms | 21844 KB |
02.txt | AC | 100 ms | 20948 KB |
03.txt | AC | 70 ms | 18900 KB |
04.txt | WA | 67 ms | 20948 KB |
05.txt | WA | 114 ms | 24632 KB |
06.txt | AC | 112 ms | 21204 KB |
07.txt | WA | 85 ms | 19924 KB |
08.txt | AC | 83 ms | 19796 KB |
09.txt | AC | 70 ms | 21204 KB |
10.txt | WA | 93 ms | 18388 KB |
11.txt | WA | 108 ms | 20948 KB |
12.txt | WA | 106 ms | 24404 KB |
13.txt | WA | 120 ms | 22840 KB |