Tontti

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/**
 *
 * @author alexey
 */
import java.util.*;
 
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.NoSuchElementException;
import java.util.StringTokenizer;
 
public class Datatahti20163 {
 
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
       
        
        IO io = new IO(); 
        int h = io.nextInt();
        int w = io.nextInt();
        int t = io.nextInt();
        int[][] forest=new int[h][w];
 
        int answer=0;
        boolean stop = false;
 
        
       
        
        int iq=0;
        
        while(iq<h) {
            String newline = io.next();
            for (int j = 0; j < w; j++) {
                if (newline.charAt(j) == '*') {
                    forest[iq][j]=1;
                } else {
                    forest[iq][j]=0;
                }
            }
            iq++;
        }
        
int s=0;
boolean overload=false;
        
        for (int l = 0; l < h; l++) {
 
            for (int k = 0; k < w; k++) {
                overload=false;
                for (int i = 1; i < Math.min(h-l-1, w-k-1); i++) {
                    s=0;
                    if(overload){
                          break;
                         }
                     for (int j = l; j <= l+i; j++) {
                         if(overload){
                          break;
                         }
                            for (int m = k; m <=k+i; m++) {
                             s+=forest[j][m];
                             
                             if(s>t){
                                 s=0;
                                 overload=true;
                                 break;
                             }
                         }
                             
                        }
                     if(s==t){
                                 answer++;
                             }
                }
                
                
            }
        }
        io.println(answer);
        io.close();
    }
    static class IO extends PrintWriter {
	private BufferedReader r;
	private StringTokenizer s;
	
	public IO() {
		super(new BufferedOutputStream(System.out));
		r = new BufferedReader(new InputStreamReader(System.in));
	}
	
	public String nextLine() {
		String s = null;
		try {
			s = r.readLine();
		} catch (Exception e) {}
		if(s == null) throw new NoSuchElementException();
		return s;
	}
	
	public String next() {
		while (s == null || !s.hasMoreElements()) {
			s = new StringTokenizer(nextLine());
		}
		return s.nextToken();
	}
        public int nextInt() {
		return Integer.parseInt(next());
	}
}
}
 
 

Test 1

Group: 1

Verdict: WRONG ANSWER

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: WRONG ANSWER

Test 4

Group: 1

Verdict: WRONG ANSWER

Test 5

Group: 1

Verdict: WRONG ANSWER

Test 6

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 7

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 8

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 9

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 10

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED