rec

function fun_11(){
    var arr = [
        [1,2,3,4],
        [5,6,7,8],
        [9,10,11,12],
        [13,14,15,16]
    ];

    var maxRowSum = 0;
    var i = 0;

    var j = 0;
    var maxColSum = 0;


    function recursiveLineSum(arr, i){
        if( i >= arr.length ){
            //console.log(maxRowSum);
            return;
        }

        var sum = 0;

        arr[i].map(function (e) {
            return sum += e;
        });

        if(sum > maxRowSum){
            maxRowSum = sum;
        }

        recursiveLineSum(arr, i + 1);
    }



    function recursiveColSum(arr, j){
        if( j >= arr.length ){
            //console.log(maxColSum);
            return;
        }

        var tempSum = 0;

        for(var i = 0; i < arr.length; i++){
            tempSum += arr[i][j];
        }

        if(tempSum >= maxColSum)
            maxColSum = tempSum;


        recursiveColSum(arr, j + 1);
    }

    recursiveLineSum(arr, i);
    recursiveColSum(arr,j);
    console.log(maxRowSum);
    console.log(maxColSum);

}

fun_11();