Count of integers K in range [ 0 , N ] such that ( K XOR K + 1 ) equals ( K + 2 XOR K + 3 ) | Function to count all the integers less than N satisfying the given condition ; Store the count of even numbers less than N + 1 ; Return the count ; Given Input ; Function Call
function countXor ( N ) { let cnt = Math . floor ( N / 2 ) + 1 ; return cnt ; } let N = 4 ; document . write ( countXor ( N ) ) ;