Driver code
public static void main ( String [ ] args ) { int arr [ ] = { 7 , 5 , 3 , 5 , 2 , 3 } ; int n = arr . length ; findPrefixCount ( arr , n ) ; int queries [ ] [ ] = { { 1 , 3 } , { 4 , 5 } } ; int q = queries . length ; for ( int i = 0 ; i < q ; i ++ ) System . out . println ( rangeOr ( queries [ i ] [ 0 ] , queries [ i ] [ 1 ] ) ) ; } }