結果
問題 | No.421 しろくろチョコレート |
ユーザー | uwi |
提出日時 | 2016-09-09 22:44:57 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 525 ms / 2,000 ms |
コード長 | 5,012 bytes |
コンパイル時間 | 4,140 ms |
コンパイル使用メモリ | 84,492 KB |
実行使用メモリ | 62,780 KB |
最終ジャッジ日時 | 2023-10-24 14:46:01 |
合計ジャッジ時間 | 18,692 ms |
ジャッジサーバーID (参考情報) |
judge13 / judge14 |
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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 | 53 ms
53,336 KB |
testcase_01 | AC | 285 ms
61,680 KB |
testcase_02 | AC | 215 ms
59,680 KB |
testcase_03 | AC | 57 ms
53,328 KB |
testcase_04 | AC | 157 ms
58,832 KB |
testcase_05 | AC | 127 ms
55,732 KB |
testcase_06 | AC | 54 ms
53,328 KB |
testcase_07 | AC | 240 ms
57,476 KB |
testcase_08 | AC | 214 ms
61,640 KB |
testcase_09 | AC | 57 ms
53,336 KB |
testcase_10 | AC | 94 ms
55,004 KB |
testcase_11 | AC | 278 ms
57,720 KB |
testcase_12 | AC | 52 ms
53,328 KB |
testcase_13 | AC | 52 ms
53,328 KB |
testcase_14 | AC | 53 ms
53,336 KB |
testcase_15 | AC | 52 ms
53,316 KB |
testcase_16 | AC | 450 ms
61,676 KB |
testcase_17 | AC | 481 ms
62,780 KB |
testcase_18 | AC | 445 ms
61,824 KB |
testcase_19 | AC | 52 ms
53,328 KB |
testcase_20 | AC | 362 ms
60,196 KB |
testcase_21 | AC | 403 ms
62,024 KB |
testcase_22 | AC | 222 ms
56,976 KB |
testcase_23 | AC | 52 ms
53,340 KB |
testcase_24 | AC | 52 ms
53,340 KB |
testcase_25 | AC | 52 ms
53,340 KB |
testcase_26 | AC | 52 ms
53,336 KB |
testcase_27 | AC | 52 ms
53,336 KB |
testcase_28 | AC | 193 ms
61,424 KB |
testcase_29 | AC | 190 ms
61,652 KB |
testcase_30 | AC | 280 ms
61,640 KB |
testcase_31 | AC | 175 ms
61,368 KB |
testcase_32 | AC | 160 ms
61,296 KB |
testcase_33 | AC | 363 ms
61,852 KB |
testcase_34 | AC | 167 ms
61,336 KB |
testcase_35 | AC | 171 ms
61,392 KB |
testcase_36 | AC | 220 ms
59,240 KB |
testcase_37 | AC | 446 ms
62,400 KB |
testcase_38 | AC | 506 ms
62,664 KB |
testcase_39 | AC | 250 ms
59,324 KB |
testcase_40 | AC | 274 ms
58,012 KB |
testcase_41 | AC | 63 ms
53,892 KB |
testcase_42 | AC | 84 ms
54,472 KB |
testcase_43 | AC | 236 ms
59,680 KB |
testcase_44 | AC | 287 ms
59,540 KB |
testcase_45 | AC | 195 ms
57,220 KB |
testcase_46 | AC | 166 ms
57,064 KB |
testcase_47 | AC | 334 ms
59,432 KB |
testcase_48 | AC | 307 ms
62,436 KB |
testcase_49 | AC | 213 ms
61,640 KB |
testcase_50 | AC | 154 ms
58,524 KB |
testcase_51 | AC | 302 ms
60,264 KB |
testcase_52 | AC | 245 ms
57,148 KB |
testcase_53 | AC | 171 ms
57,088 KB |
testcase_54 | AC | 231 ms
61,724 KB |
testcase_55 | AC | 80 ms
54,392 KB |
testcase_56 | AC | 77 ms
53,932 KB |
testcase_57 | AC | 172 ms
56,932 KB |
testcase_58 | AC | 297 ms
57,312 KB |
testcase_59 | AC | 148 ms
56,796 KB |
testcase_60 | AC | 525 ms
61,676 KB |
testcase_61 | AC | 461 ms
62,544 KB |
testcase_62 | AC | 52 ms
53,328 KB |
testcase_63 | AC | 52 ms
53,340 KB |
testcase_64 | AC | 85 ms
59,232 KB |
ソースコード
package contest; 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 N421 { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(), m = ni(); char[][] map = nm(n,m); boolean[][] g = new boolean[n*m][n*m]; int[] dr = { 1, 0, -1, 0 }; int[] dc = { 0, 1, 0, -1 }; for(int i = 0;i < n;i++){ for(int j = 0;j < m;j++){ if((i+j) % 2 == 0 && map[i][j] == 'w'){ for(int k = 0;k < 4;k++){ int ni = i + dr[k], nj = j + dc[k]; if(ni >= 0 && ni < n && nj >= 0 && nj < m && map[ni][nj] == 'b'){ g[i*m+j][ni*m+nj] = true; } } } } } int mat = doBipartiteMatchingHK(g); int w = 0, b = 0; for(int i = 0;i < n;i++){ for(int j = 0;j < m;j++){ if(map[i][j] == 'w'){ w++; } if(map[i][j] == 'b'){ b++; } } } w -= mat; b -= mat; out.println(mat*100+Math.min(w, b)*10 + Math.max(w, b) - Math.min(w, b)); } public static int doBipartiteMatchingHK(boolean[][] g) { int n = g.length; if(n == 0)return 0; int m = g[0].length; int[] from = new int[m]; int[] to = new int[n]; Arrays.fill(to, -1); Arrays.fill(from, n); int[] d = new int[n+1]; int mat = 0; while(true){ Arrays.fill(d, -1); int[] q = new int[n]; int r = 0; for(int i = 0;i < n;i++){ if(to[i] == -1){ d[i] = 0; q[r++] = i; } } for(int p = 0;p < r;p++) { int cur = q[p]; for(int adj = 0;adj < m;adj++){ if(g[cur][adj]){ int nex = from[adj]; if(d[nex] == -1) { if(nex != n)q[r++] = nex; d[nex] = d[cur] + 1; } } } } if(d[n] == -1)break; for(int i = 0;i < n;i++){ if(to[i] == -1){ if(dfsHK(d, g, n, m, to, from, i))mat++; } } } return mat; } static boolean dfsHK(int[] d, boolean[][] g, int n, int m, int[] to, int[] from, int cur) { if(cur == n)return true; for(int adj = 0;adj < m;adj++){ if(g[cur][adj]){ int nex = from[adj]; if(d[nex] == d[cur] + 1 && dfsHK(d, g, n, m, to, from, nex)){ to[cur] = adj; from[adj] = cur; return true; } } } d[cur] = -1; return false; } 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 N421().run(); } private byte[] inbuf = new byte[1024]; private 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)); } }