From 7c60dee83b436e8e8a667bf9f191beced8de4fc3 Mon Sep 17 00:00:00 2001 From: Jack Sangdahl Date: Mon, 10 Mar 2025 00:36:13 -0600 Subject: chore: move cpp and rust code to directory --- other/bulb_switcher.cpp | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 other/bulb_switcher.cpp (limited to 'other/bulb_switcher.cpp') diff --git a/other/bulb_switcher.cpp b/other/bulb_switcher.cpp new file mode 100644 index 0000000..9fd9374 --- /dev/null +++ b/other/bulb_switcher.cpp @@ -0,0 +1,19 @@ +// 319. Bulb Switcher +#include +#include + +/* + * there are 'n' light bulbs that are initially off. you first turn on all the + * bulbs, then you turn off every second bulb. on the third round, you toggle + * every third bulb (turning on if it is off or vice-versa). for the i'th round, + * you toggle every 'i' bulb for the n'th round, you only toggle the last bulb. + * return the number that on after 'n' + */ + +int bulbSwitch(int n) { return sqrt(n); } + +int main() { + printf("%d\n", bulbSwitch(3)); // expect: 1 + printf("%d\n", bulbSwitch(0)); // expect: 0 + printf("%d\n", bulbSwitch(1)); // expect: 1 +} -- cgit v1.2.3