Cod sursa(job #2642584)

Utilizator superj6Jason Gonzalez superj6 Data 16 august 2020 10:50:05
Problema Descompuneri Scor 12
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.83 kb
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <vector>
using namespace std;
#define endl '\n'
#define ll long long
#define pi pair<int, int>
#define f first
#define s second

ll n, m, k;
vector<ll> v, dp;

int main(){
	freopen("desc.in", "r", stdin);
	freopen("desc.out", "w", stdout);
	ios::sync_with_stdio(0);
	cin.tie(0);
	
	cin >> n >> k;
	
	for(ll i = 1; i * i <= n; i++){
		if(n % i == 0){
			v.push_back(i);
			if(i * i != n) v.push_back(n / i);
		}
	}
	
	m = v.size();
	dp.resize(m);
	sort(v.begin(), v.end());
	
	dp[0] = 1;
	for(int i = 1; i < m; i++)
	for(int j = m - 1; ~j; j--)
	for(int l = v[i]; v[j] * l <= n; l *= v[i]){
		int x = lower_bound(v.begin(), v.end(), v[j] * l) - v.begin();
		if(v[x] == v[j] * l) dp[x] += dp[j];
	}
	
	cout << dp[m - 1] << endl;

	return 0;
}