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lib.rs
/* pub fn is_armstrong_number(num: u32) -> bool {
	let digits: Vec<u32> = num
		.to_string()
		.chars()
		.map(|character| character.to_digit(10).unwrap())
		.collect();
	digits
		.iter()
		.map(|digit| digit.pow(digits.len() as u32))
		.sum::<u32>()
		== num
} */

pub fn is_armstrong_number(num: u32) -> bool {
	[
		0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 153, 370, 371, 407, 1634, 8208, 9474, 54748, 92727, 93084,
		548834, 1741725, 4210818, 9800817, 9926315, 24678050, 24678051, 88593477, 146511208,
		472335975, 534494836,
		912985153,
		/* 4679307774,
		32164049650,
		32164049651,
		40028394225,
		42678290603,
		44708635679,
		49388550606,
		82693916578,
		94204591914,
		28116440335967,
		4338281769391370,
		4338281769391371,
		21897142587612075,
		35641594208964132,
		35875699062250035,
		1517841543307505039,
		3289582984443187032,
		4498128791164624869,
		4929273885928088826,
		63105425988599693916,
		128468643043731391252,
		449177399146038697307,
		21887696841122916288858,
		27879694893054074471405,
		27907865009977052567814,
		28361281321319229463398,
		35452590104031691935943,
		174088005938065293023722,
		188451485447897896036875,
		239313664430041569350093,
		1550475334214501539088894,
		1553242162893771850669378,
		3706907995955475988644380,
		3706907995955475988644381,
		4422095118095899619457938,
		121204998563613372405438066,
		121270696006801314328439376,
		128851796696487777842012787,
		174650464499531377631639254,
		177265453171792792366489765,
		14607640612971980372614873089,
		19008174136254279995012734740,
		19008174136254279995012734741,
		23866716435523975980390369295,
		1145037275765491025924292050346,
		1927890457142960697580636236639,
		2309092682616190307509695338915,
		17333509997782249308725103962772,
		186709961001538790100634132976990,
		186709961001538790100634132976991,
		1122763285329372541592822900204593,
		12639369517103790328947807201478392,
		12679937780272278566303885594196922,
		1219167219625434121569735803609966019,
		12815792078366059955099770545296129367,
		115132219018763992565095597973971522400,
		115132219018763992565095597973971522401, */
	]
	.iter()
	.any(|&number| num == number)
}