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| #include<bits/stdc++.h>
using namespace std;
typedef long long ll;
map<ll, ll>M;
bool findParity(ll n)
{
ll cnt = 0;
while(n){
n = n & (n - 1);
cnt++;
}
if(cnt & 1)return true;
else return false;
}
bool _findParity(ll x)
{
ll y = x ^ (x >> 1);
y = y ^ (y >> 2);
y = y ^ (y >> 4);
y = y ^ (y >> 8);
y = y ^ (y >> 16);
y = y ^ (y >> 32);
// Rightmost bit of y holds the parity value
// if (y&1) is 1 then parity is odd else even
if (y & 1)
return 1;
return 0;
}
bool findParity_loop(ll n)
{
ll cnt = __builtin_popcountll(n);
if(cnt & 1)return true;
else return false;
}
ll Divisors(ll n)/// while loop diye
{
ll cnt = 0;
for (ll i=1; i<=sqrt(n); i++)
{
if (n%i==0)
{
if (n/i == i)
{
// if(__builtin_parity(i))
if(findParity(i))
{
cnt++;
M[i]++;
//printf("%d ", i);
}
}
else
{
//if(__builtin_parity(i))
if(findParity(i))
{
cnt++;
M[i]++;
//rintf("%d ", i);
}
//if(__builtin_parity(n/i))
if(findParity(n/i))
{
cnt++;
M[n/i]++;
//printf("%d ", n/i);
}
}
}
}
return cnt;
}
ll divisors(ll n)/// builtin function diye
{
ll cnt = 0;
for (ll i=1; i<=sqrt(n); i++)
{
if (n%i==0)
{
if (n/i == i)
{
if(__builtin_parityll(i))
// if(findParity(i))
{
cnt++;
M[i]++;
//printf("%d ", i);
}
}
else
{
if(__builtin_parityll(i))
//if(findParity(i))
{
cnt++;
M[i]++;
//printf("%d ", i);
}
if(__builtin_parityll(n/i))
// if(findParity(n/i))
{
cnt++;
M[n/i]++;
// printf("%d ", n/i);
}
}
}
}
return cnt;
}
ll _Divisors(ll n)
{
ll cnt = 0;
for (ll i=1; i<=sqrt(n); i++)
{
if (n%i==0)
{
if (n/i == i)
{
//if(__builtin_parity(i))
if(_findParity(i))
{
cnt++;
M[i]++;
//printf("%d ", i);
}
}
else
{
//if(__builtin_parity(i))
if(_findParity(i))
{
cnt++;
M[i]++;
//printf("%d ", i);
}
// if(__builtin_parity(n/i))
if(_findParity(n/i))
{
cnt++;
M[n/i]++;
// printf("%d ", n/i);
}
}
}
}
return cnt;
}
ll Divisors_loop(ll n)
{
ll cnt = 0;
for (ll i=1; i<=sqrt(n); i++)
{
if (n%i==0)
{
if (n/i == i)
{
// if(__builtin_parity(i))
if(findParity_loop(i))
{
cnt++;
M[i]++;
//printf("%d ", i);
}
}
else
{
//if(__builtin_parity(i))
if(findParity_loop(i))
{
cnt++;
M[i]++;
//rintf("%d ", i);
}
//if(__builtin_parity(n/i))
if(findParity_loop(n/i))
{
cnt++;
M[n/i]++;
//printf("%d ", n/i);
}
}
}
}
return cnt;
}
int main()
{
#ifndef ONLINE_JUDGE
freopen("in.txt", "r", stdin);
freopen("out.txt", "w", stdout);
#endif
ll n;
scanf("%lld", &n);
/* int res = 0;
for(int i = 0; i < (2*n+1); i++)
{
int x;
scanf("%d",&x);
res ^= x;
}*/
cout << "While diye--> "<< Divisors(n)<<endl;
cout << "Builtin diye--> "<< divisors(n)<<endl;
cout << "Xor diye--> " << _Divisors(n)<<endl;
cout << "pOpcount diye--> " << Divisors_loop(n)<<endl;
for(auto x: M){
if(x.second == 4)continue;
else cout << x.first<<" ";
}
fprintf(stdout,"\nTIME: %.4lf sec\n", (double)clock()/(CLOCKS_PER_SEC));
return 0;
}
|
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