結果
問題 | No.154 市バス |
ユーザー |
|
提出日時 | 2015-02-17 23:29:01 |
言語 | Java (openjdk 23) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,552 bytes |
コンパイル時間 | 3,641 ms |
コンパイル使用メモリ | 80,320 KB |
実行使用メモリ | 38,044 KB |
最終ジャッジ日時 | 2024-10-13 06:19:19 |
合計ジャッジ時間 | 4,821 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | WA * 1 |
other | WA * 8 |
ソースコード
package q1xx;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 Q372 {static InputStream is;static PrintWriter out;static String INPUT = "5\r\n" +"WWWWWWWWWGR\r\n" +"WWWWGWGRR\r\n" +"WWWWWWWWWWWWWWGRRG\r\n" +"WGRWGR\r\n" +"WWWWWWWWWWWWWWWWWGGWGWGGWGWGGGWGG";static void solve(){String imp = "impossible";String p = "possible";outer:for(int T = ni();T >= 1;T--){char[] s = ns().toCharArray();int w = 0, g = 0, r = 0;for(char c : s){if(c == 'W'){w++;}else if(c == 'G'){g++;}else if(c == 'R'){r++;}else{out.println(imp);continue outer;}}if(w >= g && g == r){}else{out.println(imp); continue outer;}boolean[] used = new boolean[s.length];inner:for(int i = s.length-1;i >= 0;i--){if(!used[i] && s[i] == 'R'){used[i] = true;for(int j = i-1;j >= 0;j--){if(!used[j] && s[j] == 'G'){used[j] = true;for(int k = j-1;k >= 0;k--){if(!used[k] && s[k] == 'W'){used[k] = true;continue inner;}}out.println(imp); continue outer;}}out.println(imp); continue outer;}}boolean hasg = false;for(int i = s.length-1;i >= 0;i--){if(s[i] == 'G')hasg = true;if(!used[i] && s[i] == 'W'){if(hasg){break;}else{out.println(imp); continue;}}}out.println(p);}}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 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))){ // when nextLine, (isSpaceChar(b) && 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)); }}