We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
  1. Prepare
  2. Tutorials
  3. 10 Days of Javascript
  4. Day 6: Bitwise Operators
  5. Discussions

Day 6: Bitwise Operators

Sort by

recency

|

223 Discussions

|

  • karenbanci1
     + 0 comments
    function getMaxLessThanK(n, k) {
  let max = 0;
  let s = [];


    max = 0;
    for (let a = 1; a <= n; a++) {
      s.push(a);
      for (let b = a + 1; b <= n; b++) {
        let bit = a & b;
        if (bit < k && bit > max) {
          max = bit;
        }
      }
    }
  return max;
}

  • madinaveen2001
     + 0 comments
     if(n<k)return n-1;
    else if(n==2 || n==1 || n==0)
   return 0;
    return k-1;
why this approach fails and give me some failure test cases

  • j622amilah
     + 0 comments

    function getMaxLessThanK(n, k) {

    var out_max = 0;
var out = 0;

for (let i=1; i < n; i++) {
    for (let j=0; j < (n-i); j++) {
        out = i & (i+1)+j; // think of a=i and b=(i+1)+j
        if (out < k && out > out_max) {
            out_max = out;
        }
    }
}
return out_max;

    }

  • bharadwaj13299
     + 0 comments
    function getMaxLessThanK(n, k){
    let maxOfab = 0;
    for (let b = 1; b <= n; b++) {
        for (let a = 1; a < b; a++) {
            maxOfab = (a & b) < k && (a & b) > maxOfab ? a & b : maxOfab
        }
    }
    return maxOfab;
}

  • ciceromello_dev
     + 0 comments

    I had difficulty understanding what was to be done (I don't speak English natively).

    So I decided to divide the code like this:

    const getMaxLessThanK = (n,k) => {
    let maxBitwiseValue = 0
    const bitwiseValues = []

    for(let a = 1; a < n; a++){
        for(let b = a + 1; b <= n; b++){
            bitwiseValues.push(a & b)
        }
    }
    
    bitwiseValues.forEach(bitwiseValue => {
        if(bitwiseValue < k && bitwiseValue > maxBitwiseValue){
            maxBitwiseValue = bitwiseValue
        }
    })

    return maxBitwiseValue   
}