text: Driven Program
code: public static void Main ( ) { int [ ] arr = { 3 , 4 , 5 } ; int n = arr . Length ; int [ ] preXOR = new int [ n ] ; prefixXOR ( arr , preXOR , n ) ; Console . WriteLine ( query ( preXOR , 0 , 2 ) ) ; Console . WriteLine ( query ( preXOR , 1 , 2 ) ) ; } }