https://www.estudent.hr/

estudent-zadaci.ts

function z1(l: number[]) {
  if (!l.length) return [];
  return [
    l.reduce((a, b) => a + (b > 0 ? b : 0), 0),
    l.reduce((a, b) => a + (b < 0 ? b : 0), 0),
  ];
}

function z2(s: string) {
  return [...new Set(s.split(" "))].join(" ");
}

function z3(s: string) {
  const letters = "abcčćddžđefghijkljmnjoprsštuvzž";
  const words = s.split(new RegExp(`[^${letters}]`, "g"));
  const scores = words.map((word) =>
    [...word].reduce((a, b) => a + letters.indexOf(b) + 1, 0)
  );
  return words[scores.indexOf(Math.max(...scores))];
}

console.log(z1([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, -11, -12, -13, -14, -15]));
console.log(z2("alpha beta gamma delta alpha beta beta gamma delta"));
console.log(z3("abc-def.ghi uvzž,jklmn+žzvu"));