solution for interview question

solution.js

function solution(votes) {

    function findPairs(votes, arr = [0,0], curr = 0 ) {
    
        let next_idx = curr+1
        
        if (!votes[next_idx]) {
            return [
                [arr[0] + votes[curr], arr[1]],
                [arr[0] , arr[1] + votes[curr]]
            ]
        }
    
        return findPairs(votes, [arr[0] + votes[curr], arr[1]], next_idx).concat(findPairs(votes, [arr[0], votes[curr] + arr[1]], next_idx))
    }
    
    let result = []
    
    findPairs(votes).forEach(arr => {
        if (!result.find(arr2 => arr2[0] === arr[0])) {
            result.push(arr)
        }
    });

    return result
}

solution([2,8,10])