largestPairSumWithIndices

function largestPairSumWithIndices(numbers) {
    let largestSum = { sum: -Infinity, indices: [] };

    for (let i = 0; i < numbers.length; i++) {
        for (let j = i + 1; j < numbers.length; j++) {
            const currentSum = numbers[i] + numbers[j];
            if (currentSum > largestSum.sum) {
                largestSum.sum = currentSum;
                largestSum.indices = [i, j];
            }
        }
    }

    return largestSum;
}

console.log(largestPairSumWithIndices([12, 34, 10, 6, 40]));
console.log(largestPairSumWithIndices([2, 3, 4, 5, 6, 7, 8, 9, 10]));