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def harmonischeReihe(k):
    sum=0.0
    for i in range(k):
        sum = sum + 1.0/(i+1)
    return sum    

for t in range(1000000,10000000000,1000000):
    print (str(t)+': '+str(harmonischeReihe(t)))
                

function harmonicSerie(n) {
  let out = 0;
  for (n; n >= 1; n--) out += 1 / n;
  return out;
}

console.log(harmonicSerie(2));
console.log(harmonicSerie(1));
console.log(harmonicSerie(6));
console.log(harmonicSerie(1e4));
console.log(harmonicSerie(1e8));
                

Lösung von: Lisa Salander (Heidi-Klum-Gymnasium Bottrop)

// C++ 14 | VS-2022

#include <iostream>
#include <vector>

double harmonic_series(int n) {
	auto sum{ 0.0 };
	for (auto i{ n }; i > 0; i--)
		sum += 1.0 / i;
	return sum;
}

int main() {
	std::vector<int>v{ 1, 2, 10, 1'000, 1'000'000, 1'000'000'000 };
	for(const auto& i : v)
		std::cout << harmonic_series(i) << "\n";
}
                

Lösung von: Jens Kelm (@JKooP)