Submission #1575141
Source Code Expand
#include <iostream> #include <fstream> #include <cstdio> #include <cmath> #include <vector> #include <cstring> #include <string> #include <set> #include <map> #include <stack> #include <queue> #include <algorithm> using namespace std; #define REP(i,n) for(int i=0; i<n; ++i) #define FOR(i,a,b) for(int i=a; i<=b; ++i) #define FORR(i,a,b) for (int i=a; i>=b; --i) typedef long long ll; typedef vector<int> VI; typedef vector<ll> VL; const ll MOD = (ll)1e9 + 7; int main(){ cin.tie(0); ios::sync_with_stdio(false); ll n; cin >> n; VI prime_table; prime_table.push_back(2); ll hash[1001] = {}; hash[2]++; FOR(i, 3, n){ bool is_prime = true; for(auto p : prime_table){ int i_temp = i; while(i_temp % p == 0){ i_temp /= p; hash[p]++; is_prime = false; } if(is_prime && p == prime_table.back()){ prime_table.push_back(i); hash[i]++; } } } ll ans = 1; FOR(i, 2, n){ if(hash[i] != 0){ ans = ans * (hash[i] + 1) % MOD; } } cout << ans << "\n"; return 0; }
Submission Info
Submission Time | |
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Task | C - Factors of Factorial |
User | moon_light |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 1268 Byte |
Status | AC |
Exec Time | 2 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 | 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 |