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怎么都用时这么少过了,是高精度算法比较优秀吗?还是公式比较高效?我的公式: TN[k] = (n+1)^k; c(k+1,i)是从k+1里选i个的组合数 T[k] = TN[k+1] - sigma(c(k+1,i)*T[i];i=0,…,k-1)-1; T[m]即为所求 Followed by:
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