結果

問題 No.866 レベルKの正方形
ユーザー uwi
提出日時 2019-08-16 21:57:20
言語 Java
(openjdk 23)
結果
WA  
実行時間 -
コード長 4,367 bytes
コンパイル時間 4,003 ms
コンパイル使用メモリ 80,708 KB
実行使用メモリ 477,464 KB
最終ジャッジ日時 2024-09-22 16:20:48
合計ジャッジ時間 33,722 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
sample WA * 3
other AC * 3 WA * 16 RE * 3
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

package contest190816;
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 D2 {
    InputStream is;
    PrintWriter out;
    String INPUT = "";
    
    void solve()
    {
        int n = ni(), m = ni(), K = ni();
        char[][] map = nm(n, m);
        
        int I = 999999999;
        int[][][] all = new int[26][][];
        for(int u = 0;u < 26;u++){
            int[][] dp = new int[n+1][m+1];
            for(int i = 0;i <= n;i++){
                for(int j = 0;j <= m;j++){
                    if(i == n || j == m){
                        dp[i][j] = I;
                    }else{
                        dp[i][j] = map[i][j]-'a' == u ? 0 : I;
                    }
                }
            }
            for(int i = n-1;i >= 0;i--){
                for(int j = m-1;j >= 0;j--){
                    int v = dp[i][j];
                    if(dp[i+1][j] + 1 < v)v = dp[i+1][j];
                    if(dp[i][j+1] + 1 < v)v = dp[i][j+1];
                    if(dp[i+1][j+1] + 1 < v)v = dp[i+1][j+1];
                    dp[i][j] = v;
                }
            }
            
            all[u] = dp;
        }
        
        long ret = 0;
        int[] temp = new int[26];
        for(int i = 0;i < n;i++){
            for(int j = 0;j < m;j++){
                for(int k = 0;k < 26;k++){
                    temp[k] = all[k][i][j];
                }
                Arrays.sort(temp);
                int upper = temp[K];
                int lower = temp[K-1];
                upper = Math.min(upper, n-i);
                upper = Math.min(upper, m-j);
                ret += Math.max(0, upper-lower);
            }
        }
        out.println(ret);
    }
    void run() throws Exception
    {
//      int n = 2000, m = 99999;
//      Random gen = new Random();
//      StringBuilder sb = new StringBuilder();
//      sb.append(n + " ");
//      sb.append(n + " ");
//      sb.append(1 + " ");
//      for (int i = 0; i < n; i++) {
//          for(int j = 0;j < n;j++){
//              sb.append("a");
//          }
//          sb.append("\n");
//      }
//      INPUT = sb.toString();
        
        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 D2().run(); }
    
    private byte[] inbuf = new byte[1024];
    public 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)); }
}
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