結果
| 問題 |
No.1730 GCD on Blackboard in yukicoder
|
| コンテスト | |
| ユーザー |
lam6er
|
| 提出日時 | 2025-04-15 23:15:22 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
AC
|
| 実行時間 | 716 ms / 2,000 ms |
| コード長 | 1,771 bytes |
| コンパイル時間 | 178 ms |
| コンパイル使用メモリ | 82,680 KB |
| 実行使用メモリ | 150,832 KB |
| 最終ジャッジ日時 | 2025-04-15 23:17:48 |
| 合計ジャッジ時間 | 8,165 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 24 |
ソースコード
import sys
def main():
input = sys.stdin.read().split()
idx = 0
N = int(input[idx])
idx += 1
A = list(map(int, input[idx:idx+N]))
idx += N
max_spf = 10**6
spf = list(range(max_spf + 1))
for i in range(2, int(max_spf**0.5) + 1):
if spf[i] == i:
for j in range(i*i, max_spf + 1, i):
if spf[j] == j:
spf[j] = i
def factorize(x):
factors = {}
while x > 1:
p = spf[x]
while x % p == 0:
factors[p] = factors.get(p, 0) + 1
x = x // p
return factors
cnt = [0] * (max_spf + 2)
for a in A:
if a == 0:
continue
factors = factorize(a)
divisors = [1]
for p in factors:
exponents = factors[p]
current_length = len(divisors)
for e in range(1, exponents + 1):
p_power = p ** e
for i in range(current_length):
divisors.append(divisors[i] * p_power)
for d in divisors:
if d <= max_spf:
cnt[d] += 1
sorted_d = []
for d in range(max_spf, 0, -1):
if cnt[d] > 0:
sorted_d.append(d)
ans = [0] * (N + 2)
current_max_s = 0
for d in sorted_d:
c = cnt[d]
start = current_max_s + 1
end = min(c, N)
if start > end:
continue
for s in range(start, end + 1):
if ans[s] == 0:
ans[s] = d
else:
break
current_max_s = max(current_max_s, end)
if current_max_s >= N:
break
for K in range(N):
s = N - K
print(ans[s])
if __name__ == "__main__":
main()
lam6er