Cod sursa(job #2201254)

Utilizator emiemiEmi Necula emiemi Data 3 mai 2018 23:54:01
Problema Suma si numarul divizorilor Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.07 kb
#include <fstream>
#include <vector>
#include <cmath>

using namespace std;
ifstream f("ssnd.in");
ofstream g("ssnd.out");

#define MOD 9973

vector<int> v;

void ciur() {
	int *a = (int *)calloc(1000000, sizeof(int));
	int i, j;

	v.push_back(2);
	int l = 1000;
	for(i = 3; i <= l; i += 2)
		if (!a[i]) {
			v.push_back(i);
			for (j = i * i; j < 1000000; j += i)
				a[j] = 1;
		}
	for (i = l + 1; i < 1000000; i += 2)
		if (!a[i])
			v.push_back(i);
}

int main() {
	long long nrd, sd, p, put, t, n, i;
	f >> t;

	ciur();
	int len = v.size();

	for (i = 1; i <= t; ++i) {
		f >> n;

		if (n == 1) {
			nrd = 1;
			sd = 1;
		} else {
			nrd = 1;
			sd = 1;
			for (i = 0; i < len; ++i)
				if (n % v[i] == 0) {
					n /= v[i];
					p = 1;
					put = v[i] * v[i];
					while (n % v[i] == 0) {
						n /= v[i];
						++p;
						put *= v[i];
					}
					nrd *= (p + 1);
					nrd %= MOD;
					sd *= (put - 1) / (v[i] - 1);
					sd %= MOD;

					if (n == 1)
						break;
				}
		}
		g << nrd << ' ' << sd << '\n';
	}

	return 0;
}