* fix(guide) add stubs and correct file path misspellings and pr… (#36528) * fix: corrected file path to match curriculum * fix: renamed to newer challenge name * fix: added solutions to articles from challenge files * fix: added missing .english to file name * fix: added missing title to guide article * fix: correct solution for guide article * fix: replaced stub with hint * fix: added space in Hint headers * fix: added solution to guide article * fix: added solution to guide article * test: replaced stub with hint and solution * fix: add Problem number: to title * fix: changed generatorexponential to correct name * fix: renamed knight's tour to knights-tour * fix: updated guide article
401 B
401 B
title
title |
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Kaprekar numbers |
Kaprekar numbers
Solutions
Solution 1 (Click to Show/Hide)
function isKaprekar(n, bs) {
if (n < 1) return false;
if (n == 1) return true;
for (var a = n * n, b = 0, s = 1; a; s *= bs) {
b += a % bs * s;
a = Math.floor(a / bs);
if (b && a + b == n) return true;
} return false;
}