①处应填( )
a[i]=i
a[i]=0
a[i]=1
ali]=r-i+1
②处应填( )
1;i<s
0;i<=s+1
1;i<=s
0;i<=s
③处应填( )
a[j-1]>a[j]
a[j]>a[j-1]
a[j]>a[j+1]
a[j]>a[j+1]
④处应填()
a[i1]>a[j-1]
a[i1]>a[j-1]&&a[i1]<a[k]
a[il]<a[k]
a[i1]>a[j-1]&&a[i1]>a[k]
⑤处应填()
a[i1]!=a[k]
a[i1]<a[k]
a[i1]<=a[k]
a[i1]>a[k]
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