http://poj.org/problem?id=2361 /* @author: */ import java.util.Scanner; public class Main{ public static void main(String args[]) { char cc[][]=new char[3][3]; Scanner sc=new Scanner(System.in); int n,i,j; n=sc.nextInt(); while((n--)!=0) { for(i=0;i< 3;i++) cc[i]=sc.next().toCharArray(); int x=0,o=0; boolean xw=false,ow=false; boolean bb=true; for(i=0;i< 3;i++) for(j=0;j< 3;j++) { if(cc[i][j]=='X')x++; else if(cc[i][j]=='O')o++; } if(x-o>1||x< o)bb=false; for(i=0;i< 3;i++) { boolean tt=true; for(j=0;j< 2;j++) { if(cc[i][j]!=cc[i][j+1]) { tt=false; break; } } if(tt) { if(cc[i][0]=='X')xw=true; else if(cc[i][0]=='O')ow=true; } } for(j=0;j< 3;j++) { boolean tt=true; for(i=0;i< 2;i++) { if(cc[i][j]!=cc[i+1][j]) { tt=false; break; } } if(tt) { if(cc[0][j]=='X')xw=true; else if(cc[0][j]=='O')ow=true; } } if(cc[0][0]==cc[1][1]&&cc[1][1]==cc[2][2]&&cc[2][2]=='X')xw=true; else if(cc[0][0]==cc[1][1]&&cc[1][1]==cc[2][2]&&cc[2][2]=='O')ow=true; if(cc[0][2]==cc[1][1]&&cc[1][1]==cc[2][0]&&cc[2][0]=='X')xw=true; else if(cc[0][2]==cc[1][1]&&cc[1][1]==cc[2][0]&&cc[2][0]=='O')ow=true; if(ow&&xw) bb=false; else if(ow&&x!=o)bb=false; else if(xw&&x==o)bb=false; if(bb) System.out.println("yes"); else System.out.println("no"); } } }
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