#116172 (Java21) No.421 しろくろチョコレート

提出ソース

結果

問題	No.421 しろくろチョコレート
ユーザー	threepipes_s
提出日時	2016-09-10 00:05:49
言語	Java21 (openjdk 21)
結果	WA
実行時間	-
コード長	8,850 bytes
コンパイル時間	3,309 ms
コンパイル使用メモリ	86,484 KB
実行使用メモリ	40,840 KB
最終ジャッジ日時	2024-11-16 18:49:21
合計ジャッジ時間	9,375 ms
ジャッジサーバーID （参考情報）	judge4 / judge3

このコードへのチャレンジ
（要ログイン）

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	WA	-
testcase_01	WA	-
testcase_02	WA	-
testcase_03	WA	-
testcase_04	WA	-
testcase_05	WA	-
testcase_06	WA	-
testcase_07	WA	-
testcase_08	WA	-
testcase_09	WA	-
testcase_10	WA	-
testcase_11	WA	-
testcase_12	AC	49 ms 37,144 KB
testcase_13	AC	47 ms 36,968 KB
testcase_14	AC	48 ms 36,932 KB
testcase_15	AC	47 ms 37,132 KB
testcase_16	WA	-
testcase_17	WA	-
testcase_18	WA	-
testcase_19	AC	47 ms 37,120 KB
testcase_20	WA	-
testcase_21	WA	-
testcase_22	WA	-
testcase_23	AC	48 ms 36,844 KB
testcase_24	AC	50 ms 37,004 KB
testcase_25	AC	48 ms 37,064 KB
testcase_26	AC	50 ms 37,092 KB
testcase_27	WA	-
testcase_28	WA	-
testcase_29	WA	-
testcase_30	WA	-
testcase_31	WA	-
testcase_32	WA	-
testcase_33	WA	-
testcase_34	WA	-
testcase_35	AC	71 ms 38,852 KB
testcase_36	WA	-
testcase_37	WA	-
testcase_38	WA	-
testcase_39	WA	-
testcase_40	WA	-
testcase_41	WA	-
testcase_42	WA	-
testcase_43	WA	-
testcase_44	WA	-
testcase_45	WA	-
testcase_46	WA	-
testcase_47	WA	-
testcase_48	WA	-
testcase_49	WA	-
testcase_50	WA	-
testcase_51	WA	-
testcase_52	WA	-
testcase_53	WA	-
testcase_54	WA	-
testcase_55	WA	-
testcase_56	WA	-
testcase_57	WA	-
testcase_58	WA	-
testcase_59	WA	-
testcase_60	WA	-
testcase_61	WA	-
testcase_62	AC	48 ms 37,208 KB
testcase_63	AC	51 ms 36,928 KB
testcase_64	AC	51 ms 37,348 KB

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ソースコード

raw source code

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.Closeable;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.PriorityQueue;
import java.util.TreeMap;

public class Main {
	static ContestScanner in;static Writer out;public static void main(String[] args)
	{try{in=new ContestScanner();out=new Writer();Main solve=new Main();solve.solve();
	in.close();out.flush();out.close();}catch(IOException e){e.printStackTrace();}}
	static void dump(int[]a){for(int i=0;i<a.length;i++)out.print(a[i]+" ");out.println();}
	static void dump(int[]a,int n){for(int i=0;i<a.length;i++)out.printf("%"+n+"d ",a[i]);out.println();}
	static void dump(long[]a){for(int i=0;i<a.length;i++)out.print(a[i]+" ");out.println();}
	static void dump(char[]a){for(int i=0;i<a.length;i++)out.print(a[i]);out.println();}
	static long pow(long a,int n){long r=1;while(n>0){if((n&1)==1)r*=a;a*=a;n>>=1;}return r;}
	static String itob(int a,int l){return String.format("%"+l+"s",Integer.toBinaryString(a)).replace(' ','0');}
	static void sort(int[]a){m_sort(a,0,a.length,new int[a.length]);}
	static void sort(int[]a,int l){m_sort(a,0,l,new int[l]);}
	static void sort(int[]a,int l,int[]buf){m_sort(a,0,l,buf);}
	static void sort(int[]a,int s,int l,int[]buf){m_sort(a,s,l,buf);}
	static void m_sort(int[]a,int s,int sz,int[]b)
	{if(sz<7){for(int i=s;i<s+sz;i++)for(int j=i;j>s&&a[j-1]>a[j];j--)swap(a, j, j-1);return;}
	m_sort(a,s,sz/2,b);m_sort(a,s+sz/2,sz-sz/2,b);int idx=s;int l=s,r=s+sz/2;final int le=s+sz/2,re=s+sz;
	while(l<le&&r<re){if(a[l]>a[r])b[idx++]=a[r++];else b[idx++]=a[l++];}
	while(r<re)b[idx++]=a[r++];while(l<le)b[idx++]=a[l++];for(int i=s;i<s+sz;i++)a[i]=b[i];
	} /* qsort(3.5s)<<msort(9.5s)<<<shuffle+qsort(17s)<Arrays.sort(Integer)(20s) */
	static void sort(long[]a){m_sort(a,0,a.length,new long[a.length]);}
	static void sort(long[]a,int l){m_sort(a,0,l,new long[l]);}
	static void sort(long[]a,int l,long[]buf){m_sort(a,0,l,buf);}
	static void sort(long[]a,int s,int l,long[]buf){m_sort(a,s,l,buf);}
	static void m_sort(long[]a,int s,int sz,long[]b)
	{if(sz<7){for(int i=s;i<s+sz;i++)for(int j=i;j>s&&a[j-1]>a[j];j--)swap(a, j, j-1);return;}
	m_sort(a,s,sz/2,b);m_sort(a,s+sz/2,sz-sz/2,b);int idx=s;int l=s,r=s+sz/2;final int le=s+sz/2,re=s+sz;
	while(l<le&&r<re){if(a[l]>a[r])b[idx++]=a[r++];else b[idx++]=a[l++];}
	while(r<re)b[idx++]=a[r++];while(l<le)b[idx++]=a[l++];for(int i=s;i<s+sz;i++)a[i]=b[i];}
	static void swap(long[] a,int i,int j){final long t=a[i];a[i]=a[j];a[j]=t;}
	static void swap(int[] a,int i,int j){final int t=a[i];a[i]=a[j];a[j]=t;}
	static int binarySearchSmallerMax(int[]a,int v)// get maximum index which a[idx]<=v
	{int l=-1,r=a.length-1,s=0;while(l<=r){int m=(l+r)/2;if(a[m]>v)r=m-1;else{l=m+1;s=m;}}return s;}
	static int binarySearchSmallerMax(int[]a,int v,int l,int r)
	{int s=-1;while(l<=r){int m=(l+r)/2;if(a[m]>v)r=m-1;else{l=m+1;s=m;}}return s;}
	@SuppressWarnings("unchecked")
	static List<Integer>[]createGraph(int n)
    {List<Integer>[]g=new List[n];for(int i=0;i<n;i++)g[i]=new ArrayList<>();return g;}
	void solve() throws IOException{
		n = in.nextInt();
		m = in.nextInt();
		char[][] map = new char[n][];
		int w = 0, b = 0;
		for(int i=0; i<n; i++){
			map[i] = in.nextToken().toCharArray();
			for(int j=0; j<m; j++){
				if(map[i][j]=='w') w++;
				else if(map[i][j]=='b') b++;
			}
		}
		int[][] cnt = new int[n][m];
		Pos[][] pos = new Pos[n][m];
		Pos min = null;
		for(int i=0; i<n; i++){
			for(int j=0; j<m; j++){
				if(map[i][j]=='.') continue;
				for(int k=0; k<4; k++){
					final int ny = i+dy[k];
					final int nx = j+dx[k];
					if(out(ny, nx) || map[ny][nx]=='.') continue;
					cnt[i][j]++;
				}
				pos[i][j] = new Pos(i, j, cnt[i][j], map[i][j]);
				if(cnt[i][j]>0 && (min==null || cnt[i][j]<min.c)) min = (pos[i][j]);
			}
		}
		boolean[][] used = new boolean[n][m];
		int ans = 0;
		while(min != null){
			Pos top = min;
			Pos last = top;
			Pos cur = top;
			Pos next = null;
			used[top.y][top.x] = true;
			while(cur != null){
				final int y = cur.y;
				final int x = cur.x;
				if(map[y][x]=='w') w--;
				else b--;
				if(map[y][x]!=top.col) ans += 100;
				next = null;
				for(int i=0; i<4; i++){
					final int ny = y+dy[i];
					final int nx = x+dx[i];
					if(out(ny, nx) || map[ny][nx]=='.' || used[ny][nx]) continue;
					used[ny][nx] = true;
					if(next==null || next.c > pos[ny][nx].c){
						next = pos[ny][nx];
					}
				}
				last = cur;
				cur = next;
			}
			if(last != null && last.col==top.col){
				used[last.y][last.x] = false;
				if(last.col=='w') w++;
				else b++;
			}
			min = null;
			for(int i=0; i<n; i++){
				for(int j=0; j<m; j++){
					if(used[i][j] || map[i][j]=='.') continue;
					pos[i][j].c = 0;
					for(int k=0; k<4; k++){
						final int ny = i+dy[k];
						final int nx = j+dx[k];
						if(out(ny, nx) || map[ny][nx]=='.' || used[ny][nx]) continue;
						pos[i][j].c++;
					}
					if(pos[i][j].c>0 && (min==null || cnt[i][j]<min.c)) min = (pos[i][j]);
				}
			}
		}
		ans += Math.min(w, b)*10;
		ans += Math.max(w, b) - Math.min(w, b);
		System.out.println(ans);
	}
	final int[] dx = {1, 0, -1, 0};
	final int[] dy = {0, 1, 0, -1};
	int n, m;
	boolean out(int x, int y){
		return x<0 || x>=n || y<0 || y>=m;
	}
}

class Pos implements Comparable<Pos>{
	int y, x, c, col;
	Pos(int y, int x, int c, int col){
		this.y = y;
		this.x = x;
		this.c = c;
		this.col = col;
	}
	@Override
	public int compareTo(Pos o) {
		return c-o.c;
	}
}
@SuppressWarnings("serial")
class MultiSet<T> extends HashMap<T, Integer>{
	@Override public Integer get(Object key){return containsKey(key)?super.get(key):0;}
	public void add(T key,int v){put(key,get(key)+v);}
	public void add(T key){put(key,get(key)+1);}
	public void sub(T key){final int v=get(key);if(v==1)remove(key);else put(key,v-1);}
	public MultiSet<T> merge(MultiSet<T> set)
	{MultiSet<T>s,l;if(this.size()<set.size()){s=this;l=set;}else{s=set;l=this;}
	for(Entry<T,Integer>e:s.entrySet())l.add(e.getKey(),e.getValue());return l;}
}
@SuppressWarnings("serial")
class OrderedMultiSet<T> extends TreeMap<T, Integer>{
	@Override public Integer get(Object key){return containsKey(key)?super.get(key):0;}
	public void add(T key,int v){put(key,get(key)+v);}
	public void add(T key){put(key,get(key)+1);}
	public void sub(T key){final int v=get(key);if(v==1)remove(key);else put(key,v-1);}
	public OrderedMultiSet<T> merge(OrderedMultiSet<T> set)
	{OrderedMultiSet<T>s,l;if(this.size()<set.size()){s=this;l=set;}else{s=set;l=this;}
	while(!s.isEmpty()){l.add(s.firstEntry().getKey(),s.pollFirstEntry().getValue());}return l;}
}
class Pair implements Comparable<Pair>{
	int a,b;final int hash;Pair(int a,int b){this.a=a;this.b=b;hash=(a<<16|a>>16)^b;}
	public boolean equals(Object obj){Pair o=(Pair)(obj);return a==o.a&&b==o.b;}
	public int hashCode(){return hash;}
	public int compareTo(Pair o){if(a!=o.a)return a<o.a?-1:1;else if(b!=o.b)return b<o.b?-1:1;return 0;}
}
class Timer{
	long time;public void set(){time=System.currentTimeMillis();}
	public long stop(){return time=System.currentTimeMillis()-time;}
	public void print(){System.out.println("Time: "+(System.currentTimeMillis()-time)+"ms");}
	@Override public String toString(){return"Time: "+time+"ms";}
}
class Writer extends PrintWriter{
	public Writer(String filename)throws IOException
	{super(new BufferedWriter(new FileWriter(filename)));}
	public Writer()throws IOException{super(System.out);}
}
class ContestScanner implements Closeable{
	private BufferedReader in;private int c=-2;
	public ContestScanner()throws IOException 
	{in=new BufferedReader(new InputStreamReader(System.in));}
	public ContestScanner(String filename)throws IOException
	{in=new BufferedReader(new InputStreamReader(new FileInputStream(filename)));}
	public String nextToken()throws IOException {
		StringBuilder sb=new StringBuilder();
		while((c=in.read())!=-1&&Character.isWhitespace(c));
		while(c!=-1&&!Character.isWhitespace(c)){sb.append((char)c);c=in.read();}
		return sb.toString();
	}
	public String readLine()throws IOException{
		StringBuilder sb=new StringBuilder();if(c==-2)c=in.read();
		while(c!=-1&&c!='\n'&&c!='\r'){sb.append((char)c);c=in.read();}
		return sb.toString();
	}
	public long nextLong()throws IOException,NumberFormatException
	{return Long.parseLong(nextToken());}
	public int nextInt()throws NumberFormatException,IOException
	{return(int)nextLong();}
	public double nextDouble()throws NumberFormatException,IOException 
	{return Double.parseDouble(nextToken());}
	public void close() throws IOException {in.close();}
}

yukicoder

結果

テストケース

ソースコード