#include "bits/stdc++.h" using namespace std; #define DEBUG(x) cout<<#x<<": "< #define vl vector #define vii vector< vector > #define vll vector< vector > #define vs vector #define pii pair #define pis pair #define psi pair const int inf = 1000000001; const ll INF = 1e16; #define MOD 1000000007 #define mod 1000000009 #define pi 3.14159265358979323846 #define Sp(p) cout<> n >> p; vii yakusuu(n + 1, vi()); for (i = 4; i < n; i++) { for (j = 2; j <= sqrt(i) + 0.00001; j++) { if (i % j == 0) { yakusuu[i].push_back(j); } } } }