/* * Please implement this method to return the sum of the two elements closest to zere. If there are two elements equally close to zero like -2 and 2. * consider the positive element to be "closer" to zero than the negative one. * * */ function sumOfTwoElementsClosestToZero(arr) { var length = arr.length; var first = arr[0]; var second = arr[0]; for (var i = 0; i < length; i++) { if (arr[i] == 0) { continue; } if (abs(first) > abs(arr[i]) || (abs(first) == abs(arr[i]) && arr[i] > 0)) { first = arr[i]; } } for (var i = 0; i < length; i++) { if (arr[i] == 0) { continue; } if (abs(arr[i]) > abs(first) && (abs(second) > abs(arr[i]) || abs(second) == abs(arr[i]) && arr[i] > 0)) { second = arr[i]; } } return (second + first); } function abs(num) { return num < 0 ? -num : num; } console.log("test 1 : " + (sumOfTwoElementsClosestToZero([7, 8, 3, 4, 2, 8, -3, 4, -2, -100]) == 5)); console.log("test 2 : " + (sumOfTwoElementsClosestToZero([7, 8, -3, 4, 2, 8, -3, 4, -2, -100]) == -1)); console.log("test 3 : " + (sumOfTwoElementsClosestToZero([7, 8, 3, 4, -1, 8, -3, 4, -2, -100]) == -3)); console.log("test 4 : " + (sumOfTwoElementsClosestToZero([7, 8, 3, 4, 2, 8, -3, 4, -2, -100]) == 5)); console.log("test 5 : " + (sumOfTwoElementsClosestToZero([-3, -2, -1, 1, 0, 2]) == 3));

## Friday, November 18, 2016

### Write a method get sum of two element which closest to Zero

Here is the code in Javascript:

Subscribe to:
Post Comments (Atom)