MaxPrime/disfavour | MaxPrime/pavel_yeltsin | ||||
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f | 1 | n = int(input()) | f | 1 | n = int(input()) |
2 | 2 | ||||
3 | 3 | ||||
4 | def isPrime(n): | 4 | def isPrime(n): | ||
5 | if n % 2 == 0: | 5 | if n % 2 == 0: | ||
6 | return n == 2 | 6 | return n == 2 | ||
7 | d = 3 | 7 | d = 3 | ||
8 | while d * d <= n and n % d != 0: | 8 | while d * d <= n and n % d != 0: | ||
9 | d += 2 | 9 | d += 2 | ||
10 | return d * d > n | 10 | return d * d > n | ||
11 | 11 | ||||
12 | 12 | ||||
t | 13 | for i in range(n, 2, -1): | t | 13 | for i in range(n, 1, -1): |
14 | if isPrime(i): | 14 | if isPrime(i): | ||
15 | print(i) | 15 | print(i) | ||
16 | break | 16 | break | ||
17 | 17 |
Legends | ||||||||||
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