AtCoder Grand Contest 044 A Pay to Win

题意: 有4种操做,你须要用最少的操做使得0变成n.html × 2 \times2 ×2 × 3 \times3 ×3 × 5 \times5 ×5 ± 1 \pm 1 ±1. 反过来考虑这个问题,git 2 ∣ n , n / = 2 2|n,n/=2 2∣n,n/=2 3 ∣ n , n / = 3 3|n,n/=3 3∣n,n/=3 5 ∣ n , n / = 5 5|n,n/=5 5∣n

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