Just the Facts The expression N!, read as `` N factorial," denotes the product of the first N positive integers, where N is nonnegative. So, for example, N N! 0 1 1 1 2 2 3 6 4 24 5 120 10 3628800 For this problem, you are to write a program that c…
题解:从1開始乘到n,由于结果仅仅要最后一位.所以每乘完一次,仅仅要保留后5位(少了值会不准确,刚開始仅仅保留了一位.结果到15就错了,保留多了int会溢出,比方3125就会出错) 和下一个数相乘,接着保留5位,注意5位没有后导零,最后取5位中最后一个不是零的就能够了. #include <iostream> #include <cstdio> using namespace std; int main() { int n; long int temp; while (scanf(…