Submission #7804979
Source Code Expand
#include "bits/stdc++.h" using namespace std; void solve() { long n, k; cin >> n >> k; vector<long> as(n); map<long, long> mp; vector<int> fs; for (long f = 1; f * f <= k; f++) { if (k % f == 0) { fs.push_back(f); if (f * f != k) { fs.push_back(k / f); } } } for (int i = 0; i < n; i++) { cin >> as[i]; as[i] = __gcd(as[i], k); for (long f : fs) { if (as[i] % f == 0) { mp[f]++; } } } long ans = 0; for (auto x : as) { long y = k / x; //cout << x << ' ' << y << ' ' << mp[y] << endl; ans += mp[y] - (x % y == 0); } cout << ans / 2 << endl; } int main() { solve(); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - ロト2 |
User | sifi_border |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 904 Byte |
Status | TLE |
Exec Time | 2103 ms |
Memory | 1920 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 400 | ||||||
Status |
|
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Set Name | Test Cases |
---|---|
Sample | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt |
All | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 10_random_01.txt, 10_random_02.txt, 10_random_03.txt, 10_random_04.txt, 10_random_05.txt, 20_max_01.txt, 20_max_02.txt, 20_max_03.txt, 20_max_04.txt, 20_max_05.txt, 30_overflow_01.txt, 30_overflow_02.txt, 40_dmax_01.txt, 40_dmax_02.txt, 40_dmax_03.txt, 50_prime_01.txt, 50_prime_02.txt, 50_prime_03.txt, 60_prime_pow_01.txt, 60_prime_pow_02.txt, 60_prime_pow_03.txt, 70_one_01.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_example_01.txt | AC | 1 ms | 256 KB |
00_example_02.txt | AC | 1 ms | 256 KB |
00_example_03.txt | AC | 1 ms | 256 KB |
10_random_01.txt | AC | 1 ms | 256 KB |
10_random_02.txt | AC | 2 ms | 256 KB |
10_random_03.txt | AC | 1 ms | 256 KB |
10_random_04.txt | AC | 1 ms | 256 KB |
10_random_05.txt | AC | 1 ms | 256 KB |
20_max_01.txt | AC | 103 ms | 1792 KB |
20_max_02.txt | AC | 81 ms | 1792 KB |
20_max_03.txt | AC | 119 ms | 1792 KB |
20_max_04.txt | AC | 87 ms | 1792 KB |
20_max_05.txt | AC | 150 ms | 1792 KB |
30_overflow_01.txt | AC | 111 ms | 1792 KB |
30_overflow_02.txt | AC | 111 ms | 1792 KB |
40_dmax_01.txt | TLE | 2103 ms | 1920 KB |
40_dmax_02.txt | TLE | 2103 ms | 1920 KB |
40_dmax_03.txt | TLE | 2103 ms | 1920 KB |
50_prime_01.txt | AC | 84 ms | 1792 KB |
50_prime_02.txt | AC | 93 ms | 1792 KB |
50_prime_03.txt | AC | 121 ms | 1792 KB |
60_prime_pow_01.txt | AC | 188 ms | 1792 KB |
60_prime_pow_02.txt | AC | 113 ms | 1792 KB |
60_prime_pow_03.txt | AC | 107 ms | 1792 KB |
70_one_01.txt | AC | 66 ms | 1792 KB |