[250515] 피보나치 수 3(dp+pisanoPeriod), 골드 II #274
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피사노 주기(Pisano Period)를 알아야 함
#### 피사노 주기란?
- 피보나치 수열을 어떤 수 M으로 나눈 나머지 수열은 언젠가는 반복되기 시작한다. 이 반복되는 최초의 주기 길이를 피사노 주기라고 부름
#### 왜 1,000,000의 피사노 주기는 1,500,000인가요?
- 피사노 주기의 길이는 대략 6 * m 이며, 10^k일 경우 15 × 10^{k-1}이 됨
- 1,000,000 = 10^6 → 15 × 10^5 = 1,500,000
qbobl5
approved these changes
Jun 2, 2025
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피사노 주기(Pisano Period)를 알아야 함
피사노 주기란?
왜 1,000,000의 피사노 주기는 1,500,000인가요?