7 条题解

  • 3
    a = int(input())
    
    s = 0
    c = []
    b = a
    i = 2
    while i <= int(b**0.5)+1:
        if b%i == 0 :
            c.append(i)
            b = b/i
            i = 2
        else:
            i += 1
    
    if b != 1:
        c.append(int(b))
    
    m = 0  
    for i in range(0,len(c)):
        if c[i] > c[i+1]:
            m = c[i]
            c[i] = c[i+1]
            c[i+1] = m
        if i == len(c) - 2:
            break
    
    d = str(a)+'='
    for i in range(0,len(c)):
        d = d + str(c[i])
        if i != len(c)-1:
            d = d + '*'
    print(d)
    
  • 2
    @ 2020-09-16 22:45:06

    #python3

    n=int(input())
    n1=n
    list1=[]
    a=2
    while(1):
        if a==n:
            break
        elif a==n1+1:
            break
        elif n1%a==0:
            list1.append(a)
            n1=n1/a
            a=2
        else:
            a=a+1
    c=len(list1)
    str1=str(n)+"="
    d=0
    while(1):
        if d==c:
            break
        elif d==0:
            str1=str1+str(list1[d])
            d=d+1
        else:
            str1=str1+"*"+str(list1[d])
            d=d+1
    print(str1)
    
    
  • 2
    @ 2018-12-28 17:43:25

    打表法

    #include<iostream>
    #include<cstdio>
    #include<cstring>
    #include<cmath>
    #include<cctype>
    #include<algorithm>
    #include<stack>
    #include<queue>
    #include<vector>
    #include<map>
    #define INF 1<<30
    #define LL long long
    #define ULL unsigned long long
    using namespace std;
    
    int p[]={0,0,1,1,0,1,0,1,0,0,0,1,0,1,0,0,0,1,0,1,0,0,0,1,0,0,0,0,0,1,0,1,0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,1,0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,1,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,1,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,1,0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0};
    int n;
    int main()
    {
        cin>>n;
        cout<<n<<"=";
        while(n!=1)
        {
            for(int i=2;i<=n;i++)
            {
                if(p[i]==1&&n%i==0)
                {
                    cout<<i;
                    n/=i;
                    if(n!=1) cout<<"*";
                    break;
                }
            }
         } 
        return 0;
    }
    
    
  • 1
    @ 2018-12-24 16:05:02
    def devide(x):
        global i
        if x%i==0:
            if x/i==1: print(i,end='')
            else:  print(i,end='*')
            x=x/i
        else: i=i+1
        if x>1: devide(x)
        return ''
    global i
    i=2
    n=int(input())
    print(n,end='=')
    print(devide(n))
    
    

    14行诗(划掉)
    14行超长丢人版迭代法

    • @ 2018-12-28 17:35:36

      您这是递归法,交错地方了...

    • @ 2018-12-28 17:39:30

      而且您这判断整除的方法也太暴力了,循环一遍就够了,不用每加一次i调用一遍

      def isPrime(x):
          i=2
          while i*i<=x:
              if x%i==0:
                  return 0
              i+=1
          return 1
      
  • 0
    @ 2020-09-21 17:09:52
    n=int(input())
    m=n
    
    print(n,end="=")
    
    for i in range(2,m):
        flag=1
        if i!=2:
            for j in range(2,i):
                if i%j==0:
                    flag=0
        if flag:
            while n%i==0:
                n/=i
                if n==1:
                    print(i,end="")
                else:
                    print(i,end="*")
                    
    if n!=1:
        print(n)
    
  • 0
    @ 2020-09-21 17:09:10
    n=int(input())
    m=n
    
    print(n,end="=")
    
    for i in range(2,m):
        flag=1
        if i!=2:
            for j in range(2,i):
                if i%j==0:
                    flag=0
        if flag:
            while n%i==0:
                n/=i
                if n==1:
                    print(i,end="")
                else:
                    print(i,end="*")
                    
    if n!=1:
        print(n)
    
  • 0
    @ 2020-09-16 21:04:07

    超长版... 代码

    import math
    a = int(input())
    print(str(a)+"=",end="")
    def is_Prime(x):
        for i in range(2,int(math.sqrt(x))+1):
            if x%i==0:
                return False
        return True
    prime = []
    for i in range(2,a):
        if(is_Prime(i)==True):
            prime.append(i)
    
    ans = []
    t = True
    while t==True:
        for i in range(len(prime)):
            if a%prime[i]==0 and a!=prime[i]:
                ans.append(prime[i])
                a /= prime[i]
            elif a==prime[i]:
                ans.append(prime[i])
                t = False
                break
    
    ans.sort()
    
    for i in range(len(ans)-1):
        print(ans[i],end="*")
    
    print(ans[len(ans)-1])
    
    
  • 1

信息

难度
4
分类
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标签
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递交数
199
已通过
84
通过率
42%
被复制
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