結果
問題 | No.307 最近色塗る問題多くない? |
ユーザー | uwi |
提出日時 | 2015-11-27 23:03:36 |
言語 | Java21 (openjdk 21) |
結果 |
TLE
|
実行時間 | - |
コード長 | 5,395 bytes |
コンパイル時間 | 4,122 ms |
コンパイル使用メモリ | 84,608 KB |
実行使用メモリ | 68,212 KB |
最終ジャッジ日時 | 2024-09-14 00:24:10 |
合計ジャッジ時間 | 11,952 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 55 ms
49,944 KB |
testcase_01 | AC | 55 ms
50,228 KB |
testcase_02 | AC | 56 ms
49,828 KB |
testcase_03 | AC | 56 ms
50,180 KB |
testcase_04 | AC | 259 ms
68,212 KB |
testcase_05 | AC | 56 ms
50,368 KB |
testcase_06 | AC | 59 ms
50,184 KB |
testcase_07 | AC | 117 ms
51,344 KB |
testcase_08 | AC | 257 ms
66,868 KB |
testcase_09 | AC | 159 ms
57,948 KB |
testcase_10 | TLE | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
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.ArrayList; import java.util.Arrays; import java.util.InputMismatchException; import java.util.List; public class Q769_2 { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(), m = ni(); int[][] a = new int[n][]; for(int i = 0;i < n;i++){ a[i] = na(m); } List<List<Integer>> nes = new ArrayList<>(); for(int i = 0;i < n*m;i++)nes.add(new ArrayList<Integer>()); DJSet ds = new DJSet(n*m); for(int i = 0;i < n;i++){ for(int j = 0;j < m-1;j++){ if(a[i][j] == a[i][j+1]){ ds.union(i*m+j, i*m+j+1); } } } for(int i = 0;i < n-1;i++){ for(int j = 0;j < m;j++){ if(a[i][j] == a[i+1][j]){ ds.union(i*m+j, (i+1)*m+j); } } } for(int i = 0;i < n;i++){ for(int j = 0;j < m-1;j++){ if(a[i][j] != a[i][j+1]){ nes.get(ds.root(i*m+j)).add(i*m+j<<1|0); nes.get(ds.root(i*m+j+1)).add(i*m+j<<1|0); } } } for(int i = 0;i < n-1;i++){ for(int j = 0;j < m;j++){ if(a[i][j] != a[i+1][j]){ nes.get(ds.root(i*m+j)).add(i*m+j<<1|1); nes.get(ds.root((i+1)*m+j)).add(i*m+j<<1|1); } } } for(int Q = ni();Q > 0;Q--){ int r = ni()-1, c = ni()-1, x = ni(); int root = ds.root(r*m+c); if(a[root/m][root%m] != x){ a[root/m][root%m] = x; List<Integer> merged = new ArrayList<>(); for(int e : nes.get(root)){ if((e&1) == 0){ int my = e>>>1, ot = (e>>>1)+1; if(!ds.equiv(my, ot)){ if(ds.root(my) != root)merged.addAll(nes.get(ds.root(my))); if(ds.root(ot) != root)merged.addAll(nes.get(ds.root(ot))); } ds.union(my, ot); }else{ int my = e>>>1, ot = (e>>>1)+m; if(!ds.equiv(my, ot)){ if(ds.root(my) != root)merged.addAll(nes.get(ds.root(my))); if(ds.root(ot) != root)merged.addAll(nes.get(ds.root(ot))); } ds.union(my, ot); } } root = ds.root(root); nes.set(root, merged); } } for(int i = 0;i < n;i++){ for(int j = 0;j < m;j++){ if(j > 0)out.print(" "); int root = ds.root(i*m+j); out.print(a[root/m][root%m]); } out.println(); } } public static class DJSet { public int[] upper; public DJSet(int n) { upper = new int[n]; Arrays.fill(upper, -1); } public int root(int x) { return upper[x] < 0 ? x : (upper[x] = root(upper[x])); } public boolean equiv(int x, int y) { return root(x) == root(y); } public boolean union(int x, int y) { x = root(x); y = root(y); if (x != y) { if (upper[y] < upper[x]) { int d = x; x = y; y = d; } upper[x] += upper[y]; upper[y] = x; } return x == y; } public int count() { int ct = 0; for (int u : upper) if (u < 0) ct++; return ct; } } 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"); } public static void main(String[] args) throws Exception { new Q769_2().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 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[] na(int n) { int[] a = new int[n]; for(int i = 0;i < n;i++)a[i] = ni(); return a; } private 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 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)); } }