ArrayAdditionI

gistfile1.txt

function ArrayAdditionI(arr) {

    arr.sort(function(a, b) {
		return a - b;
	});


	var largest = arr[arr.length - 1]; // Set largest to last (largest) array value


	for (var i = 0; i < arr.length; i++) { // Start outer loop 
		var sum = arr[i];

		for (var j = 0; j < arr.length; j++) { // Start inner to begin sum

			if (i != j) { // Ensure we don't add the same array index to itself
				sum += arr[j];
				console.log(sum);

				if (sum === largest) {
					return true;
				}

			}

		}

		for (j = 0; j < arr.length; j++) { // If no match, start 2nd loop to re-iterate removing index values

			if (i != j) {
				sum -= arr[j];
				console.log(sum);

				if (sum === largest) {
					return true;
				}
			}
		}
	}

	return false;
}