题解 | #查找组成一个偶数最接近的两个素数#
查找组成一个偶数最接近的两个素数
https://www.nowcoder.com/practice/f8538f9ae3f1484fb137789dec6eedb9
# 20240919
def f(x): #判断x是否是素数
for i in range(2,int(x**0.5)+1):
if x%i == 0:
return False
return True
n = int(input()) # n>2
min = n
for i in range(2,n//2+1):
if f(i) and f(n-i):
if abs(n-i-i) < min:
min = n-i-i
a = i
b = n-i
print(a)
print(b)