-
Notifications
You must be signed in to change notification settings - Fork 0
/
10392 UVA.cpp
92 lines (68 loc) · 1.3 KB
/
10392 UVA.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
#include <bits/stdc++.h>
#define clr(a) memset(ara,0,sizeof(ara);
#define MAX 100000050
using namespace std;
typedef long long int ll;
long unsigned ara[MAX],stat[MAX],aray[MAX];
ll cnt=0,p=0;
ll sieve(ll num)
{
ll sqr=sqrt(num);
for(ll i=3;i<=sqr;i+=2)
{
if(stat[i]==0)
{
for(ll j=i*i;j<=num;j+=i+i)
{
stat[j]=1;
}
}
}
ll k=1;
for(ll i=3;i<=num;i+=2)
{
if(stat[i]==0)
{
ara[k++]=i;
}
}
ara[0]=2;
p=k-1;
// return k;
}
//int aray[100000];
int factor(ll num)
{
ll k=(ll )sqrt(num);
ll counter=0;
ll ct=0;
for(int i=0;ara[i]<=k;i++)
{
if(num%ara[i]==0)
{
while(num%ara[i]==0)
{
cout <<" "<<ara[i]<<endl;
num/=ara[i];
}
k=(ll)sqrt(num);
}
}
if(num>1){
cout <<" "<<num<<endl;
}
//return counter;
}
int main()
{
sieve(100000000);
ll n,a;
while(cin >>n)
{
if(n<0) break;
if(n==1)cout <<1<<endl;
// printf(" ");
ll ct=factor(n);
printf("\n");
}
}