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const { performance } = require('perf_hooks') | |
let iterations = 250; | |
let sizes = [10, 100, 1000, 1000000]; | |
let loopMethods = { | |
'while': iterWhile, | |
'for': iterFor, | |
'forEach': iterForEach, | |
'forOf': iterForOf | |
} |
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from math import sqrt | |
def isPentagonal(n): | |
return (1/6*(sqrt(24*n+1)+1)).is_integer() | |
i = 40756 | |
while True: | |
h = i*(2*i-1) | |
if (isPentagonal(h)): | |
print(h) |
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from math import sqrt | |
from itertools import combinations | |
def isP(n): | |
return (1/6*(sqrt(24*n+1)+1)).is_integer() | |
p = [n*(3*n-1)/2 for n in range(1,2500)] | |
for x in combinations(p, 2): | |
if (isP(x[0]+x[1]) and isP(x[1]-x[0])): |