結果
| 問題 |
No.2795 Perfect Number
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2024-06-28 21:27:07 |
| 言語 | Python3 (3.13.1 + numpy 2.2.1 + scipy 1.14.1) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 1,955 bytes |
| コンパイル時間 | 86 ms |
| コンパイル使用メモリ | 12,928 KB |
| 実行使用メモリ | 18,720 KB |
| 最終ジャッジ日時 | 2024-06-28 21:27:14 |
| 合計ジャッジ時間 | 3,797 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | WA * 3 |
| other | WA * 2 TLE * 1 -- * 32 |
ソースコード
import os, sys
import math, decimal, queue, heapq, bisect, itertools, functools, collections, string
from bisect import bisect, bisect_left
from collections import defaultdict, OrderedDict, deque, Counter
from functools import cmp_to_key, lru_cache, reduce
from heapq import heapify, heappush, heappushpop, heappop, heapreplace, nlargest, nsmallest
from itertools import accumulate, chain, combinations, combinations_with_replacement, compress, count, cycle, dropwhile, filterfalse, groupby, islice, permutations, product, repeat, starmap, takewhile, tee, zip_longest
from math import gcd, factorial, isqrt, comb, perm, prod, inf
from queue import Queue, PriorityQueue, LifoQueue
from string import ascii_letters, ascii_lowercase, ascii_uppercase, digits, hexdigits, octdigits
az, AZ, mod = ascii_lowercase, ascii_uppercase, 1_000_000_007
def solve():
def _f(n):
divs = set()
for i in range(1, int(n ** 0.5) + 1):
if n % i == 0:
divs.add(i)
divs.add(n // i)
res = 0
for num in sorted(divs):
# if num % 2 == 0:
res += num
if res == 2 * n:
return 'YES'
else:
return 'NO'
def run(W):
res = 'YES'
x = W[0]
return _f(x)
print(run(W))
if __name__ == '__main__':
LOCAL = sys.argv[0] if '4a' in sys.argv[0] else None
P = lambda *p: [print(i, end=' ') for i in p] if LOCAL else None
PI = lambda *p: print(' '.join(map(str, p))) or None
PII = lambda X: [PI(*row) for row in X]
sys.stdin = open(os.path.join(os.getcwd(), 'a1.txt'), 'r') if LOCAL else sys.stdin
I = lambda: [int(a) for l in sys.stdin for a in l.strip().split()]
S = lambda: [a for l in sys.stdin for a in l.strip().split()]
IM = lambda: [[int(a) for a in l.split()] for l in sys.stdin]
SM = lambda: [[a for a in l.split()] for l in sys.stdin]
W = I()
# P(W)
solve()