luogu#P9308. 「DTOI-5」#1f1e33
「DTOI-5」#1f1e33
Background

In the middle of night.
Problem Description
Define the function $f(n) = \displaystyle\sum_{i = 1}^n \sum_{j = 1}^n \sum_{k = 1}^n [i + j + k = n] \operatorname{lcm}(i, \gcd(j, k))$.
Given , for all , output all values of .
Input Format
One line containing one integer .
Output Format
One line containing integers, representing all values of .
10
0 0 1 4 11 20 42 60 100 134
Hint
Constraints
$$\def\or{\operatorname{or}} %\def\arrayscretch{1.5} \def\arraystretch{1.5} \begin{array}{|c|c|c|}\hline \textbf{Test Case ID}&n= &\textbf{Points}\cr\hline \sf1&100&10 \operatorname{pts}\cr\hline \sf2&10^3&10 \operatorname{pts}\cr\hline \sf3&10^4&20 \operatorname{pts}\cr\hline \sf4&10^5&20 \operatorname{pts}\cr\hline \sf5&/&40 \operatorname{pts}\cr\hline \end{array}$$For of the testdata, .
Translated by ChatGPT 5