/in/foo.c: In function 'chengfa':
/in/foo.c:21:14: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  if(judge1==1&&judge2==0 || judge1==0&&judge2==1)
     ~~~~~~~~~^~~~~~~~~~~
/in/foo.c:21:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  if(judge1==1&&judge2==0 || judge1==0&&judge2==1)
  ^~
/in/foo.c:23:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
   int i,j;
   ^~~
/in/foo.c: In function 'main':
/in/foo.c:53:10: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[100000]' [-Wformat=]
  scanf("%s",&a);
          ^