比赛 暑假培训二 评测结果 AAAAATTATT
题目名称 跳棋的挑战 最终得分 60
用户昵称 zhai 运行时间 0.000 s
代码语言 Pascal 内存使用 0.00 MiB
提交时间 2008-07-18 11:20:54
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program checker;
  var
    a,b:array[1..14,1..14]of integer;
    f1,f2:text;
    n:integer;
    c:longint;
    procedure tian(i,j:integer);
      var
        k,l:integer;
      begin
        for k:=1 to n do
          for l:=1 to n do begin
            if (k-l=i-j)and(k<>i)and(l<>j) then inc(b[k,l]);
            if (k+l=i+j)and(k<>i)and(l<>j) then inc(b[k,l]);
          end;
        for k:=1 to n do begin
          if k<>j then inc(b[i,k]);
          inc(b[k,j]);
        end;
      end;
    procedure huif(i,j:integer);
      var
        k,l:integer;
      begin
        for k:=1 to n do
          for l:=1 to n do begin
            if (k-l=i-j)and(k<>i)and(l<>j) then dec(b[k,l]);
            if (k+l=i+j)and(k<>i)and(l<>j) then dec(b[k,l]);
          end;
        for k:=1 to n do begin
          if k<>j then dec(b[i,k]);
          dec(b[k,j]);
        end;
      end;
    procedure init;
      begin
        assign(f1,'checker.in');reset(f1);
        assign(f2,'checker.out');rewrite(f2);
        read(f1,n);
        close(f1);
      end;
    procedure try(i:integer);
      var
        j,k,l:integer;
      begin
        for j:=1 to n do begin
          if (i<=n)and(b[i,j]=0) then
          begin
            a[i,j]:=1;
            tian(i,j);
            if i=n then
            begin
              inc(c);
              if (c>0)and(c<4) then begin
                for k:=1 to n do
                  for l:=1 to n do
                    if a[k,l]=1 then write(f2,l,' ');
                writeln(f2);
              end;
            end
            else try(i+1);
            a[i,j]:=0;
            huif(i,j);
          end;
        end;
      end;
  begin
    fillchar(a,sizeof(a),0);
    fillchar(b,sizeof(b),0);
    init;
    c:=0;
    try(1);
    write(f2,c);
    close(f2);
  end.