Submission #3000353
Source Code Expand
#include <bits/stdc++.h> #define debug(args...) fprintf(stderr, args) using namespace std; const int MOD = 1e9 + 7; typedef long long lint; int main() { int n; vector<int> ps; cin >> n; for (int i = 2; i <= n; i++) { bool prime = true; for (int j = 2; prime && j * j <= i; j++) { if (!(i % j)) prime = false; } if (prime) ps.push_back(i); } lint ans = 1; for (int p : ps) { lint cnt = 0; for (int i = 2; i <= n; i++) { int j = i; while (!(j % p)) { cnt++; j /= p; } } ans = (ans * (1 + cnt)) % MOD; } cout << ans << endl; return 0; }
Submission Info
Submission Time | |
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Task | C - Factors of Factorial |
User | vjudge4 |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 720 Byte |
Status | AC |
Exec Time | 2 ms |
Memory | 384 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 | 2 ms | 384 KB |
sample_02.txt | AC | 1 ms | 256 KB |
sample_03.txt | AC | 2 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 | 2 ms | 256 KB |
subtask_1_certain_04.txt | AC | 2 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 |