Submission #7428415
Source Code Expand
#include <iostream> #include <algorithm> #include <vector> #include <map> using namespace std; typedef long long int ll; long long GCD(long long a, long long b) { return b ? GCD(b, a%b) : a; } int main(){ int n,k; cin >> n >> k; vector<int> a(n); map<int,int> mp; for(int i=0;i<n;i++){ cin >> a[i]; mp[GCD(a[i],k)]++; } ll ans=0; for(auto p:mp){ for(auto q:mp){ ll x=p.first*q.first; if(p.first>q.first)continue; else if(p.first==q.first){ if(x%k==0){ ll m=(p.second-1)*p.second/2; ans+=m; } } else{ if(x%k==0){ ll m=(q.second)*p.second; ans+=m; } } } } cout << ans << endl; }
Submission Info
Submission Time | |
---|---|
Task | C - ロト2 |
User | KKT89 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 899 Byte |
Status | WA |
Exec Time | 119 ms |
Memory | 1152 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 400 | ||||||
Status |
|
|
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 | WA | 1 ms | 256 KB |
10_random_03.txt | WA | 1 ms | 256 KB |
10_random_04.txt | WA | 1 ms | 256 KB |
10_random_05.txt | AC | 1 ms | 256 KB |
20_max_01.txt | AC | 74 ms | 1024 KB |
20_max_02.txt | WA | 70 ms | 1024 KB |
20_max_03.txt | WA | 91 ms | 1024 KB |
20_max_04.txt | WA | 70 ms | 1024 KB |
20_max_05.txt | AC | 105 ms | 1024 KB |
30_overflow_01.txt | WA | 67 ms | 1024 KB |
30_overflow_02.txt | WA | 67 ms | 1024 KB |
40_dmax_01.txt | WA | 119 ms | 1152 KB |
40_dmax_02.txt | WA | 119 ms | 1152 KB |
40_dmax_03.txt | WA | 119 ms | 1152 KB |
50_prime_01.txt | WA | 73 ms | 1024 KB |
50_prime_02.txt | WA | 82 ms | 1024 KB |
50_prime_03.txt | WA | 93 ms | 1024 KB |
60_prime_pow_01.txt | AC | 92 ms | 1024 KB |
60_prime_pow_02.txt | WA | 89 ms | 1024 KB |
60_prime_pow_03.txt | WA | 90 ms | 1024 KB |
70_one_01.txt | WA | 59 ms | 1024 KB |