raffaele-abramini

function convert(s: string, numRows: number): string {
    const chars = Array.from(s);
    const rows: string[][] = [];
    const I = 2;

    chars.forEach((char, index) => {
        const factor = (numRows * 2 - I) || 1;
        const cycle = Math.floor(index / factor);
        const phase = index - factor * cycle;
        const isDiagonal = phase > (numRows - 1);