Submission #2382331
Source Code Expand
#include <bits/stdc++.h>
using namespace std;
using VS = vector<string>; using LL = long long;
using VI = vector<int>; using VVI = vector<VI>;
using PII = pair<int, int>; using PLL = pair<LL, LL>;
using VL = vector<LL>; using VVL = vector<VL>;
#define ALL(a) begin((a)),end((a))
#define RALL(a) (a).rbegin(), (a).rend()
#define PB push_back
#define EB emplace_back
#define MP make_pair
#define SZ(a) int((a).size())
#define SORT(c) sort(ALL((c)))
#define RSORT(c) sort(RALL((c)))
#define UNIQ(c) (c).erase(unique(ALL((c))), end((c)))
#define FOR(i, s, e) for (int(i) = (s); (i) < (e); (i)++)
#define FORR(i, s, e) for (int(i) = (s); (i) > (e); (i)--)
#define debug(x) cerr << #x << ": " << x << endl
const int INF = 1e9; const LL LINF = 1e16;
const LL MOD = 1000000007; const double PI = acos(-1.0);
int DX[8] = { 0, 0, 1, -1, 1, 1, -1, -1 }; int DY[8] = { 1, -1, 0, 0, 1, -1, 1, -1 };
/* ------問題------
-----問題ここまで----- */
/* -----解説等-----
----解説ここまで---- */
void dividenum(int n, VI&a) {
for (int i = 2; i*i <= n; i++) {
while (n%i == 0) {
n /= i;
a[i]++;
}
}
if (n > 1)a[n]++;
}
LL N;
LL ans = 0LL;
int main() {
cin.tie(0);
ios_base::sync_with_stdio(false);
cin >> N;
ans = 1;
VI a(1001,0);
FOR(i, 2, N + 1) {
dividenum(i, a);
}
FOR(i, 2, N + 1) {
if (a[i])
ans *= (a[i] + 1);
ans %= MOD;
}
cout << ans << "\n";
return 0;
}
Submission Info
Submission Time |
|
Task |
C - Factors of Factorial |
User |
vjudge3 |
Language |
C++14 (GCC 5.4.1) |
Score |
300 |
Code Size |
1474 Byte |
Status |
AC |
Exec Time |
1 ms |
Memory |
256 KB |
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
300 / 300 |
Status |
|
|
Set Name |
Test Cases |
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 |