Submission #420184
Source Code Expand
import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayDeque; import java.util.Arrays; import java.util.InputMismatchException; import java.util.Queue; public class Main { static InputStream is; static PrintWriter out; static String INPUT = ""; static void solve() { int n = ni(), m = ni(); char[][] map = nm(n,m); int sr = -1, sc = -1; int gr = -1, gc = -1; for(int i = 0;i < n;i++){ for(int j = 0;j < m;j++){ if(map[i][j] == 's'){ sr = i; sc = j; map[i][j] = '.'; } if(map[i][j] == 'g'){ gr = i; gc = j; map[i][j] = '.'; } } } Queue<int[]> q = new ArrayDeque<int[]>(); q.add(new int[]{sr, sc}); int[] dr = { 1, 0, -1, 0 }; int[] dc = { 0, 1, 0, -1 }; while(!q.isEmpty()){ int[] cur = q.poll(); int r = cur[0], c = cur[1]; for(int k = 0;k < 4;k++){ int nr = r + dr[k]; int nc = c + dc[k]; if(nr >= 0 && nr < n && nc >= 0 && nc < m && map[nr][nc] == '.'){ map[nr][nc] = '#'; q.add(new int[]{nr, nc}); } } } out.println(map[gr][gc] == '#' ? "Yes" : "No"); } 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 | |
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Task | A - 深さ優先探索 |
User | uwi |
Language | Java (OpenJDK 1.7.0) |
Score | 100 |
Code Size | 4310 Byte |
Status | AC |
Exec Time | 623 ms |
Memory | 30812 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 100 / 100 | ||||
Status |
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|
Set Name | Test Cases |
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Sample | 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 00_sample_05.txt |
All | 00_min_01.txt, 00_min_02.txt, 00_min_03.txt, 00_min_04.txt, 00_min_05.txt, 00_min_06.txt, 00_min_07.txt, 00_min_08.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 00_sample_05.txt, 01_rnd_00.txt, 01_rnd_01.txt, 01_rnd_02.txt, 01_rnd_03.txt, 01_rnd_04.txt, 01_rnd_05.txt, 01_rnd_06.txt, 01_rnd_07.txt, 01_rnd_08.txt, 01_rnd_09.txt, 01_rnd_10.txt, 01_rnd_11.txt, 01_rnd_12.txt, 01_rnd_13.txt, 01_rnd_14.txt, 01_rnd_15.txt, 01_rnd_16.txt, 01_rnd_17.txt, 01_rnd_18.txt, 01_rnd_19.txt, 02_rndhard_00.txt, 02_rndhard_01.txt, 02_rndhard_02.txt, 02_rndhard_03.txt, 02_rndhard_04.txt, 02_rndhard_05.txt, 02_rndhard_06.txt, 02_rndhard_07.txt, 02_rndhard_08.txt, 02_rndhard_09.txt, 02_rndhard_10.txt, 02_rndhard_11.txt, 02_rndhard_12.txt, 02_rndhard_13.txt, 02_rndhard_14.txt, 02_rndhard_15.txt, 02_rndhard_16.txt, 02_rndhard_17.txt, 02_rndhard_18.txt, 02_rndhard_19.txt, 02_rndhard_20.txt, 02_rndhard_21.txt, 02_rndhard_22.txt, 02_rndhard_23.txt, 02_rndhard_24.txt, 02_rndhard_25.txt, 02_rndhard_26.txt, 02_rndhard_27.txt, 02_rndhard_28.txt, 02_rndhard_29.txt, 02_rndhard_30.txt, 02_rndhard_31.txt, 02_rndhard_32.txt, 02_rndhard_33.txt, 02_rndhard_34.txt, 02_rndhard_35.txt, 02_rndhard_36.txt, 02_rndhard_37.txt, 02_rndhard_38.txt, 02_rndhard_39.txt, 03_rndhardsmall_00.txt, 03_rndhardsmall_01.txt, 03_rndhardsmall_02.txt, 03_rndhardsmall_03.txt, 03_rndhardsmall_04.txt, 03_rndhardsmall_05.txt, 03_rndhardsmall_06.txt, 03_rndhardsmall_07.txt, 03_rndhardsmall_08.txt, 03_rndhardsmall_09.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_min_01.txt | AC | 623 ms | 22896 KB |
00_min_02.txt | AC | 322 ms | 22800 KB |
00_min_03.txt | AC | 320 ms | 22796 KB |
00_min_04.txt | AC | 321 ms | 22796 KB |
00_min_05.txt | AC | 315 ms | 22712 KB |
00_min_06.txt | AC | 406 ms | 22796 KB |
00_min_07.txt | AC | 315 ms | 22716 KB |
00_min_08.txt | AC | 319 ms | 22792 KB |
00_sample_01.txt | AC | 323 ms | 22796 KB |
00_sample_02.txt | AC | 315 ms | 22740 KB |
00_sample_03.txt | AC | 328 ms | 22684 KB |
00_sample_04.txt | AC | 314 ms | 22796 KB |
00_sample_05.txt | AC | 313 ms | 22796 KB |
01_rnd_00.txt | AC | 347 ms | 24788 KB |
01_rnd_01.txt | AC | 388 ms | 30352 KB |
01_rnd_02.txt | AC | 386 ms | 28980 KB |
01_rnd_03.txt | AC | 388 ms | 30720 KB |
01_rnd_04.txt | AC | 394 ms | 30200 KB |
01_rnd_05.txt | AC | 349 ms | 24884 KB |
01_rnd_06.txt | AC | 387 ms | 28752 KB |
01_rnd_07.txt | AC | 383 ms | 29060 KB |
01_rnd_08.txt | AC | 347 ms | 24736 KB |
01_rnd_09.txt | AC | 348 ms | 24748 KB |
01_rnd_10.txt | AC | 375 ms | 27380 KB |
01_rnd_11.txt | AC | 352 ms | 24584 KB |
01_rnd_12.txt | AC | 394 ms | 29684 KB |
01_rnd_13.txt | AC | 389 ms | 29724 KB |
01_rnd_14.txt | AC | 349 ms | 24588 KB |
01_rnd_15.txt | AC | 383 ms | 28356 KB |
01_rnd_16.txt | AC | 348 ms | 24712 KB |
01_rnd_17.txt | AC | 394 ms | 28084 KB |
01_rnd_18.txt | AC | 352 ms | 24664 KB |
01_rnd_19.txt | AC | 392 ms | 30812 KB |
02_rndhard_00.txt | AC | 356 ms | 24628 KB |
02_rndhard_01.txt | AC | 354 ms | 24636 KB |
02_rndhard_02.txt | AC | 364 ms | 25552 KB |
02_rndhard_03.txt | AC | 360 ms | 25400 KB |
02_rndhard_04.txt | AC | 341 ms | 24580 KB |
02_rndhard_05.txt | AC | 339 ms | 24624 KB |
02_rndhard_06.txt | AC | 347 ms | 24784 KB |
02_rndhard_07.txt | AC | 346 ms | 24672 KB |
02_rndhard_08.txt | AC | 365 ms | 25024 KB |
02_rndhard_09.txt | AC | 363 ms | 24892 KB |
02_rndhard_10.txt | AC | 363 ms | 25008 KB |
02_rndhard_11.txt | AC | 364 ms | 25016 KB |
02_rndhard_12.txt | AC | 361 ms | 24868 KB |
02_rndhard_13.txt | AC | 361 ms | 24848 KB |
02_rndhard_14.txt | AC | 365 ms | 25028 KB |
02_rndhard_15.txt | AC | 360 ms | 24968 KB |
02_rndhard_16.txt | AC | 345 ms | 24688 KB |
02_rndhard_17.txt | AC | 347 ms | 24840 KB |
02_rndhard_18.txt | AC | 341 ms | 24608 KB |
02_rndhard_19.txt | AC | 348 ms | 24872 KB |
02_rndhard_20.txt | AC | 346 ms | 24616 KB |
02_rndhard_21.txt | AC | 348 ms | 24716 KB |
02_rndhard_22.txt | AC | 365 ms | 24888 KB |
02_rndhard_23.txt | AC | 348 ms | 24856 KB |
02_rndhard_24.txt | AC | 340 ms | 24612 KB |
02_rndhard_25.txt | AC | 346 ms | 24804 KB |
02_rndhard_26.txt | AC | 341 ms | 24632 KB |
02_rndhard_27.txt | AC | 342 ms | 24908 KB |
02_rndhard_28.txt | AC | 344 ms | 24736 KB |
02_rndhard_29.txt | AC | 361 ms | 24656 KB |
02_rndhard_30.txt | AC | 354 ms | 24660 KB |
02_rndhard_31.txt | AC | 361 ms | 24744 KB |
02_rndhard_32.txt | AC | 366 ms | 24736 KB |
02_rndhard_33.txt | AC | 354 ms | 24860 KB |
02_rndhard_34.txt | AC | 354 ms | 24580 KB |
02_rndhard_35.txt | AC | 358 ms | 24652 KB |
02_rndhard_36.txt | AC | 356 ms | 24620 KB |
02_rndhard_37.txt | AC | 350 ms | 24596 KB |
02_rndhard_38.txt | AC | 348 ms | 24620 KB |
02_rndhard_39.txt | AC | 355 ms | 24792 KB |
03_rndhardsmall_00.txt | AC | 318 ms | 22708 KB |
03_rndhardsmall_01.txt | AC | 321 ms | 22768 KB |
03_rndhardsmall_02.txt | AC | 313 ms | 22788 KB |
03_rndhardsmall_03.txt | AC | 320 ms | 22768 KB |
03_rndhardsmall_04.txt | AC | 322 ms | 22800 KB |
03_rndhardsmall_05.txt | AC | 334 ms | 22732 KB |
03_rndhardsmall_06.txt | AC | 324 ms | 22768 KB |
03_rndhardsmall_07.txt | AC | 321 ms | 22796 KB |
03_rndhardsmall_08.txt | AC | 325 ms | 22800 KB |
03_rndhardsmall_09.txt | AC | 328 ms | 22780 KB |