CW 38 - GroupSum

DUE

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Method signature:
public static boolean groupSum(int start, int[] nums, int target) {
}

Test Cases:

groupSum(0, [2, 4, 8], 10) → true
groupSum(0, [2, 4, 8], 14) → true
groupSum(0, [2, 4, 8], 9) → false