示例7的阶乘=5040,末尾0的个数为1。
根据我们的逻辑,7!=2*3*4*5*6*7,它有3个2和1个5,所以末尾0的个数为1。
#include <iostream>using namespace std;int main() { int n = 45; int count = 0; for (int i = 5; n / i >= 1; i *= 5) count += n / i; cout<<"no of trailing 0s in " << n<< "! is " << count; return 0;}
输出no of trailing 0s in 24! is 10
以上就是计算一个数的阶乘中末尾零的个数的c/c++编程?的详细内容。
