#include <bits/stdc++.h> using namespace std; int MAXN = 1000000; int main() { long long sum = 0; vector<int> v; for (int i = 2; i < MAXN; i++) { for (int j = 2; j * j <= i; j++) { if (i % j == 0) { v.push_back(j); sum += j; } } } cout << v.size() << "\n"; reverse(begin(v), end(v)); for (auto x: v) { sum += x * rand(); } cout << sum << "\n"; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | #include <bits/stdc++.h> using namespace std; int MAXN = 1000000; int main() { long long sum = 0; vector<int> v; for (int i = 2; i < MAXN; i++) { for (int j = 2; j * j <= i; j++) { if (i % j == 0) { v.push_back(j); sum += j; } } } cout << v.size() << "\n"; reverse(begin(v), end(v)); for (auto x: v) { sum += x * rand(); } cout << sum << "\n"; } |