/***
Bismillahir Rahmanir Rahim
Read the name of Allah, who created you!!!
Author : Shah Newaj Rabbi Shishir
Department of CSE, City University, Bangladesh.
***/
#include <bits/stdc++.h>
using namespace std;
#define sf scanf
#define pf printf
#define scase sf ("%d",&tc)
#define sn sf ("%d",&n)
#define whilecase while (tc--)
#define eof while (cin >> n)
#define forloop for (pos=1; pos<=tc; pos++)
#define arrayloop (i=0; i<n; i++)
#define cinstr cin >> str
#define getstr getline (cin,str)
#define pcase pf ("Case %d: ",pos)
#define pb push_back
#define in insert
#define llu unsigned long long
#define lld long long
#define u unsigned int
const int MAX = 101;
bool prime[MAX];
vector <int> v;
void sieve ()
{
int i,j;
v.pb(2);
prime[0] = prime[1] = true;
for (i=4; i<=MAX; i+=2)
prime[i] = true;
for (i=3; i*i<=MAX; i+=2)
{
if (!prime[i])
{
v.pb(i);
for (j=i*i; j<=MAX; j+=2*i)
prime[j] = true;
}
}
for (i=11; i<=MAX; i+=2)
if (!prime[i])
v.pb(i);
}
int main (void)
{
/*freopen ("input.txt","r",stdin);
freopen ("output.txt","w",stdout);*/
sieve ();
int t,pos,n,i,j,N,k,l;
sf ("%d",&t);
for (pos=1; pos<=t; pos++)
{
sf ("%d",&n);
int arr[98] = {0};
pf ("Case %d: %d = ",pos,n);
for (i=2; i<=n; i++)
{
N = i;
for (j=0; v[j]*v[j]<=N; j++)
{
while (N % v[j] == 0)
{
N /= v[j];
arr[v[j]]++;
}
}
if (N > 1)
arr[N]++;
}
k = 0;
if (arr[2] > 0)
k++;
for (i=3; i<=97; i+=2)
if (arr[i] > 0)
k++;
l = 0;
for (i=2; i<=97; i++)
{
if (arr[i] > 0)
{
l++;
if (l == 1)
pf ("%d (%d)",i,arr[i]);
else
pf (" * %d (%d)",i,arr[i]);
if (l == k)
{
pf ("\n");
break;
}
}
}
}
return 0;
}
Bismillahir Rahmanir Rahim
Read the name of Allah, who created you!!!
Author : Shah Newaj Rabbi Shishir
Department of CSE, City University, Bangladesh.
***/
#include <bits/stdc++.h>
using namespace std;
#define sf scanf
#define pf printf
#define scase sf ("%d",&tc)
#define sn sf ("%d",&n)
#define whilecase while (tc--)
#define eof while (cin >> n)
#define forloop for (pos=1; pos<=tc; pos++)
#define arrayloop (i=0; i<n; i++)
#define cinstr cin >> str
#define getstr getline (cin,str)
#define pcase pf ("Case %d: ",pos)
#define pb push_back
#define in insert
#define llu unsigned long long
#define lld long long
#define u unsigned int
const int MAX = 101;
bool prime[MAX];
vector <int> v;
void sieve ()
{
int i,j;
v.pb(2);
prime[0] = prime[1] = true;
for (i=4; i<=MAX; i+=2)
prime[i] = true;
for (i=3; i*i<=MAX; i+=2)
{
if (!prime[i])
{
v.pb(i);
for (j=i*i; j<=MAX; j+=2*i)
prime[j] = true;
}
}
for (i=11; i<=MAX; i+=2)
if (!prime[i])
v.pb(i);
}
int main (void)
{
/*freopen ("input.txt","r",stdin);
freopen ("output.txt","w",stdout);*/
sieve ();
int t,pos,n,i,j,N,k,l;
sf ("%d",&t);
for (pos=1; pos<=t; pos++)
{
sf ("%d",&n);
int arr[98] = {0};
pf ("Case %d: %d = ",pos,n);
for (i=2; i<=n; i++)
{
N = i;
for (j=0; v[j]*v[j]<=N; j++)
{
while (N % v[j] == 0)
{
N /= v[j];
arr[v[j]]++;
}
}
if (N > 1)
arr[N]++;
}
k = 0;
if (arr[2] > 0)
k++;
for (i=3; i<=97; i+=2)
if (arr[i] > 0)
k++;
l = 0;
for (i=2; i<=97; i++)
{
if (arr[i] > 0)
{
l++;
if (l == 1)
pf ("%d (%d)",i,arr[i]);
else
pf (" * %d (%d)",i,arr[i]);
if (l == k)
{
pf ("\n");
break;
}
}
}
}
return 0;
}
No comments:
Post a Comment