宁波网络推广产品服务,天津seo托管,网站报错500,做封面哪个网站好#include stdio.hvoid main()
{int n, i;long long sum[35] { 2,8,26 };for (i 3; i 35; i)sum[i] 3 * sum[i - 1] 2;while (~scanf_s(%d, n))printf(%lld\n, sum[n - 1]);
}
#include stdio.hvoid main()
{int n, i;long long sum[35] { 2,8,26 };for (i 3; i 35; i)sum[i] 3 * sum[i - 1] 2;while (~scanf_s(%d, n))printf(%lld\n, sum[n - 1]);
}
