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author | Jack Sangdahl <[email protected]> | 2025-03-10 00:36:13 -0600 |
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committer | Jack Sangdahl <[email protected]> | 2025-03-10 00:36:13 -0600 |
commit | 7c60dee83b436e8e8a667bf9f191beced8de4fc3 (patch) | |
tree | eb7a24ee2067f92245c57bb118e85a1baf15df50 /other/bulb_switcher.cpp | |
parent | 5d7cdc215e4ba1ec4cbb24c084cccb5e5e641468 (diff) | |
download | leetcode-7c60dee83b436e8e8a667bf9f191beced8de4fc3.tar.gz leetcode-7c60dee83b436e8e8a667bf9f191beced8de4fc3.zip |
chore: move cpp and rust code to directory
Diffstat (limited to 'other/bulb_switcher.cpp')
-rw-r--r-- | other/bulb_switcher.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
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 <math.h> +#include <stdio.h> + +/* + * 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 +} |