Telerik.JoroTheNaughty

function solve(args) {
    var size = args[0].split(" ");
    var rows = size[0];
    var cols = size[1];
    var jumps = size[2];

    var start = args[1].split(" ").map(Number);
    var startRows = start[0];
    var startCols = start[1];

    var matrix = [];
    var counter = 1;

    for (var i = 0; i < rows; i++) {
        matrix[i] = [];
        for (var j = 0; j < cols; j++) {
            matrix[i] [j] = counter;
            counter++;
        }
    }

    var visited = [];
    var allJumps = [];

    visited.push(matrix[startRows] [startCols]);
    for (var i = 0; i < jumps; i++) {
            allJumps.push(args[i + 2]);
    }

    var k = 0;
    var sum = matrix[startRows] [startCols];

    while (true) {
        if (k > jumps - 1) {
            k = 0;
        }
        var nextJump = allJumps[k].split(" ").map(Number);
        //console.log(nextJump);
        k++;


        startRows += nextJump[0];
        startCols += nextJump[1];


        if (startRows < 0 || startCols < 0 || startRows > rows - 1 || startCols > cols - 1) {
            return ("escaped " + sum);
        }
        sum += matrix[startRows] [ startCols];
        if (visited.indexOf(matrix[startRows][startCols] = - 1)) {
            visited.push(matrix[startRows] [startCols]);
        }
        else {
            return ('caught ' + visited.length);
        }

    }
}

console.log(solve(['6 7 3', '0 0', '2 2', '-2 2', '3 -1']));