public static long combination(long n, long k) { double sum=0; for(long i=0;i<k;i++) { sum+=Math.log10(n-i); sum-=Math.log10(i+1); } return (long)Math.pow(10, sum); }
public static long combination(long n, long k) { double sum=0; for(long i=0;i<k;i++) { sum+=Math.log10(n-i); sum-=Math.log10(i+1); } return (long)Math.pow(10, sum); }名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
