Submission #1349604
Source Code Expand
// clang-format off #include <bits/stdc++.h> #define int long long #define main signed main() // #define main int main() #define loop(i, a, n) for (int i = (a); i < (n); i++) #define rep(i, n) loop(i, 0, n) #define all(v) (v).begin(), (v).end() #define rall(v) (v).rbegin(), (v).rend() #define prec(n) fixed << setprecision(n) #define stlice(from, to) substr(from, (to) - (from) + 1) #define pb push_back #define mp make_pair #define mt make_tuple #define fi first #define se second using namespace std; using pii = pair<int, int>; using vi = vector<int>; using vd = vector<double>; using vc = vector<char>; using vb = vector<bool>; using vs = vector<string>; using vpii = vector<pii>; using vvi = vector<vi>; using vvb = vector<vb>; using vvpii = vector<vpii>; template<typename A> using fn = function<A>; constexpr int INF = sizeof(int) == sizeof(long long) ? 1000000000000000000LL : 1000000000; constexpr int MOD = 1000000007; constexpr double PI = acos(-1); template<typename A, typename B> bool cmin(A &a, const B &b) { return a > b ? (a = b, true) : false; } template<typename A, typename B> bool cmax(A &a, const B &b) { return a < b ? (a = b, true) : false; } constexpr bool odd(const int &n) { return n & 1; } constexpr bool even(const int &n) { return !odd(n); } void solve(); main { solve(); return 0; } // clang-format on vi factors(int n) { vi v; int i = 2; while (i * i <= n) { if (n % i == 0) { v.pb(i); n /= i; } else { i++; } } v.pb(n); return v; } void solve() { int n; cin >> n; vi t(n + 1); loop(i, 2, n + 1) { vi v = factors(i); rep(j, v.size()) t[v[j]]++; } int s = accumulate(all(t), 1, [](int a, int x) { return a * (x + 1) % MOD; }); cout << s << endl; }
Submission Info
Submission Time | |
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Task | C - Factors of Factorial |
User | AyaMorisawa |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 1819 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | ||||
Status |
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Set Name | Test Cases |
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Sample | sample_01.txt, sample_02.txt, sample_03.txt |
All | sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_certain_01.txt, subtask_1_certain_02.txt, subtask_1_certain_03.txt, subtask_1_certain_04.txt, subtask_1_rand_01.txt, subtask_1_rand_02.txt, subtask_1_rand_03.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 1 ms | 256 KB |
sample_02.txt | AC | 1 ms | 256 KB |
sample_03.txt | AC | 1 ms | 256 KB |
subtask_1_certain_01.txt | AC | 1 ms | 256 KB |
subtask_1_certain_02.txt | AC | 1 ms | 256 KB |
subtask_1_certain_03.txt | AC | 1 ms | 256 KB |
subtask_1_certain_04.txt | AC | 1 ms | 256 KB |
subtask_1_rand_01.txt | AC | 1 ms | 256 KB |
subtask_1_rand_02.txt | AC | 1 ms | 256 KB |
subtask_1_rand_03.txt | AC | 1 ms | 256 KB |