MAXNUM - MAXNUM

Tác giả: RR

Ngôn ngữ: C++

#include <iostream>
#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <string>
#include <vector>
#include <queue>
#include <stack>
#include <map>
#include <set>
#include <iomanip>
#include <bitset>
#include <complex>

#define FOR(i,a,b) for(int i = a; i <= b; ++i)
#define FORD(i,a,b) for(int i = a; i >= b; --i)
#define REP(i,a) for(int i = 0; i < a; ++i)
#define MP make_pair
#define PB push_back

using namespace std;

int get(int n, int p) {
    if (n < p) return 0;
    return n/p + get(n/p, p);
}

int main() {
    int n, p;
    cin >> n >> p;
    int res = 1000111;
    for(int i = 2; i <= p; i++) if (p % i == 0) {
        int cnt = 0;
        while (p % i == 0) {
            p /= i;
            cnt++;
        }
        res = min(res, get(n, i) / cnt);
    }
    cout << res << endl;
    return 0;
}

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