/in/foo.c: In function 'FindSecondMax':
/in/foo.c:18:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  {if(a[i]>j)
   ^~
/in/foo.c:20:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
   if(a[i]>=j)
   ^~
/in/foo.c:32:7: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
 }else{for(i=0;i<n;i++)
       ^~~
/in/foo.c:36:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
  x=0;
  ^
/in/foo.c:39:5: warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized]
   if(a[i]>m&&a[i]<j)
     ^