fork download
copy 
  1. import java.util.Scanner;
  2.  
  3. class Main{
  4. 	static int N, M;
  5. 	static String[] line;
  6. 	static String[] map;
  7. 	public static void main (String[] args){
  8. 		Scanner sc = new Scanner(System.in);
  9. 		N = sc.nextInt(); M=sc.nextInt();
  10. 		map = new String[N];
  11. 		for(int a=0; a<N; a++){
  12. 			map[a] = sc.nextLine(); 
  13. 		}
  14. 		line = new String[2];
  15. 		line[0] = "WBWBWBWB"; line[1]="BWBWBWBW";
  16.  
  17. 		int pos=0;
  18. 		int Fcount=0;
  19. 		int Scount=0;
  20. 		for(int i=0; i<8; i++){
  21. 			for(int j=0; j<8; j++){
  22. 				if(map[i].charAt(j) != line[pos].charAt(j))
  23. 					Fcount+=1;
  24. 				if(pos==0) pos=1;
  25. 				else	pos =0;
  26. 			}
  27. 			for(int k=0; k<8; k++){
  28. 				if(map[i].charAt(k) != line[pos].charAt(k))
  29. 					Scount+=1;
  30. 				if(pos==0) pos=1;
  31. 				else	pos =0;
  32. 			}
  33. 		}
  34. 		System.out.println(Fcount+" "+Scount);
  35. 	}
  36. }
Runtime error #stdin #stdout #stderr 0.09s 35528KB
comments (?)
stdin
copy 
8 8
WBWBWBWB
BWBWBWBW
WBWBWBWB
BWBBBWBW
WBWBWBWB
BWBWBWBW
WBWBWBWB
BWBWBWBW
stdout
copy 
Standard output is empty
stderr
copy 
Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String index out of range: 0
	at java.base/java.lang.StringLatin1.charAt(StringLatin1.java:47)
	at java.base/java.lang.String.charAt(String.java:702)
	at Main.main(Main.java:22)
https://ideone.com/qLX7TG
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!