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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 3x 3x 3x | /**
* 計算數字陣列的總和
* @param numbers - 要計算總和的數字陣列
*
* 範例:
* 輸入: [1, 2, 3, 4, 5]
* 輸出: 15
*
* 輸入: [-1, -2, -3]
* 輸出: -6
*
* 輸入: []
* 輸出: 0
*/
export function arraySum(numbers: number[]): number {
// 在此實現函式
return numbers.reduce((sum, number) => sum + number, 0);
} |