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class Solution { public int solution(int n) { int MOD = 1_000_000_007; int[] dp = new int[n + 2]; dp[0] = 1; dp[1] = 1; // 피보나치 for (int i = 2; i <= n; i++) { dp[i] = (dp[i - 1] + dp[i - 2]) % MOD; } return dp[n]; } }
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