williamrjribeiro

Keybase proof

I hereby claim:

• I am williamrjribeiro on github.
• I am wrjr (https://keybase.io/wrjr) on keybase.
• I have a public key ASDEXh0AK8GG3eqjijZFY6KtrX9PQmS0HL5D_Vz9wOA2tgo

To claim this, I am signing this object:

williamrjribeiro

  function prefixSum(A) {
    var i = 0,
      l = A.length,
      sum = A[0],
      P = new Array(l);
    P[0] = sum;
    while (++i < l) {
      sum += A[i];
      P[i] = sum;
    }

williamrjribeiro

  function sumArrayLinear(A, start, end){
    end = (end >= A.length ? A.length - 1: end); // avoid Out of Bounds
    var total = 0;
    for(start; start <= end; start++)
        total += A[start];
    return total;
  }
  
  var arr = [2,5,7,4,2,4,3,3,2,1,8,6,9,7,5,4,2,5,6,7,9,0,8,5,3,2,4,5,6,7,8,5,6],
      arrSum = [];

williamrjribeiro

  function prefixSum(A) {
    var i = 0,
        l = A.length,
        P = new Array(l),
        sum = A[0];

    P[0] = sum;

    while (++i < l) {
      sum += A[i];