functionzeros(n){varres=1while(n>0){res*=n;n--;}return(''+res).replace(/[^0]/g,' ').split(' ').pop().length;}console.log(zeros(12))// 2 但是这个方法没法计算大数,大数阶乘后会超过取值范围,直接返回次幂的形式 zeros(40) // res-> 8.15915283247898e+47 这种形式就走不通了 下面...
codewars--js--Number of trailing zeros of N!问题描述:Write a program that will calculate the number of trailing zeros in a factorial of a given number.N! = 1 * 2 * 3 * ... * NBe careful 1000! has 2568 digits...For more info, see: http://mathworld.wolfram.com/Factorial.htmlE...
defzeros(n):x=n/5returnx+zeros(x)ifxelse0 defzeros(n):""" No factorial is going to have fewer zeros than the factorial of a smaller number. Each multiple of 5 adds a 0, so first we count how many multiples of 5 are smaller than `n` (`n // 5`). Each multiple of 25 adds...
Write a program that will calculate the number of trailing zeros in a factorial of a given number. N! = 1 * 2 * 3 * ... * N Be careful1000!has 2568 digits... For more info, see:http://mathworld.wolfram.com/Factorial.html Examples Hint: You're not meant to calculate the factor...
Write a program that will calculate the number of trailing zeros in a factorial of a given number.
C++ code to find trailing zeros in factorial of a number#include<bits/stdc++.h> using namespace std; int trailingZeros(int n){ int count=0; if(n<0) return -1; for(int i=5;n/i>0;i*=5){ count+=n/i; } return count; } int main(){ int n; cout<<"enter input,n"<<endl...
*/returnn - (x &1);// 也可以 if (x & 0x00000001) != 0) { n = n-1; } return n;} 应用& JDK源码 位于Integer.java中的Integer.numberOfTrailingZeros(int),用于计算后缀0个数,其源码: publicstaticintnumberOfTrailingZeros(inti){// HD, Figure 5-14inty;if(i ==0)return32;intn=31;...
Python program to count number of trailing zeros in Factorial of number N # Define a function for finding# number of trailing zeros in N!deffind_trailing_zeros(num):sum=0i=1# iterating untill quotient is not zerowhileTrue:# take integer divisonquotient=num //(5**i)ifquotient==0:break...
NumberOfTrailingZeros ParseInt ParseUnsignedInt RemainderUnsigned Reverse ReverseBytes RotateLeft RotateRight Signum Sum ToBinaryString ToHexString ToOctalString ToString ToUnsignedLong ToUnsignedString ValueOf Operators Explicit Interface Implementations InternalError ...
以下示例程序旨在说明Java.lang.Integer.numberOfTrailingZeros()方法。 程序1:为正数。 // Java program to illustrate the// Java.lang.Integer.numberOfTrailingZeros() methodimportjava.lang.*;publicclassTrailingZeros{publicstaticvoidmain(String[] args){inta =155; ...