[ExamPreparation] Joro the naughty

// решение на видео : https://www.youtube.com/watch?v=kRx5dYUrm0g
function Solve(input) {
    var rowsColsAndJumps = parseNumbers(input[0]);
    var startPosition = parseNumbers(input[1]);

    var rows = rowsColsAndJumps[0];
    var cols = rowsColsAndJumps[1];
    var allJumps = rowsColsAndJumps[2];


    var currentRow = startPosition[0];
    var currentCol = startPosition[1];

    return getAnswer();

    function getAnswer() {
        var field = initField();
        var jumps = readJumps();

        var jumpsIndex = 0;
        var escaped = false;
        var sumOfNumbers = 0;
        var totalJumps = 0;

        while (true) {
            if (currentRow < 0 || currentRow >= rows
             || currentCol < 0 || currentCol >= cols) {
                escaped = true;
                break;
            }

            if (field[currentRow][currentCol] === 'X') {
                escaped = false;
                break;
            }

            sumOfNumbers += field[currentRow][currentCol];
            totalJumps++;

            var currentJump = jumps[jumpsIndex++];
            if (jumpsIndex >= jumps.length) {
                jumpsIndex = 0;
            }

            field[currentRow][currentCol] = 'X';

            currentRow += currentJump.row;
            currentCol += currentJump.col;
        }


        return escaped
            ? 'escaped ' + sumOfNumbers
            : 'caught ' + totalJumps;
    }


    function initField() {
        var field = [];
        var counter = 1;
        for (var i = 0; i < rows; i++) {
            field[i] = [];
            for (var j = 0; j < cols; j++) {
                field[i][j] = counter++; // записваме countera и го увеличаваме с едно всеки път
            }
        }
        return field;
    }

    function readJumps() {
        var jumps = [];
        for (var i = 2; i < 2 + allJumps; i++) {
            var parsedJump = parseNumbers(input[i]);

            var currentJump = {
                row: parsedJump[0],
                col: parsedJump[1]
            };
            jumps.push(currentJump);
        }

        return jumps;
    }

    function parseNumbers(input) {
        return input.split(' ').map(Number);
    }

}

var input = [
    '6 7 3',
    '0 0',
    '2 2',
    '-2 2',
    '3 -1'
];
console.log(Solve(input));