/in/foo.c: In function 'Chestep':
/in/foo.c:40:3: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   else
   ^~~~
/in/foo.c:41:14: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else'
    tmp=a[i]; a[i]=a[s]; a[s]=tmp;
              ^
/in/foo.c:47:3: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   else
   ^~~~
/in/foo.c:48:14: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else'
    tmp=a[i]; a[i]=a[s]; a[s]=tmp;
              ^