Cod sursa(job #2960961)

Utilizator DKMKDMatei Filibiu DKMKD Data 5 ianuarie 2023 13:54:17
Problema Suma si numarul divizorilor Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.09 kb
#include <fstream>
#include <bitset>

using namespace std;

const int MAX_N = 1000005;
const int MOD = 9973;

ifstream fin("ssnd.in");
ofstream fout("ssnd.out");

long long N;
int T, K, P[MAX_N];
bitset <MAX_N> viz;

void ciur() {
	for (int i = 2; i < MAX_N; ++i) {
		if (viz[i] == 0) {
			P[++K] = i;

			for (int j = i + i; j < MAX_N; j += i) {
				viz[j] = 1;
			}
		}
	}
}

inline int pow(int x, int p) {
	int rez = 1;
	x %= MOD;

	for (; p; p >>= 1) {
		if (p & 1) {
			rez *= x;
			rez %= MOD;
		}

		x *= x;
		x %= MOD;
	}

	return rez;
}

void solve() {
	fin >> N;

	int	nd = 1, sd = 1;

	for (int i = 1; i <= K && 1LL * P[i] * P[i] <= N; ++i) {
		if (N % P[i]) continue;
		int p = 0;

		while (N % P[i] == 0) {
			N /= P[i];
			++p;
		}

		nd *= (p + 1);

		int p1 = (pow(P[i], p + 1) - 1) % MOD;
		int p2 = pow(P[i] - 1, MOD - 2) % MOD;

		sd = (((sd * p1) % MOD) * p2) % MOD;
	}

	if (N > 1) {
		nd *= 2;
		sd = (1LL * sd * (N + 1) % MOD);
	}

	fout << nd << " " << sd << "\n";
}

int main() {
	ciur();

	for (fin >> T; T; --T)