Submission #2696334
Source Code Expand
#include<bits/stdc++.h> using namespace std; long n,k,a,ans,i; map<long,long>M; int gcd(int a,int b){return b?gcd(b,a%b):a;} main(){ cin>>n>>k; for(;i++<n;M[gcd(k,a)]++)cin>>a; for(auto i:M)for(auto j:M)if(i.first*j.first%k<1)ans+=i.second*(j.second-(i.first==j.first)); cout<<ans/2; }
Submission Info
Submission Time | |
---|---|
Task | C - ロト2 |
User | kotatsugame |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 299 Byte |
Status | AC |
Exec Time | 143 ms |
Memory | 384 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 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 | AC | 1 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 | 87 ms | 256 KB |
20_max_02.txt | AC | 82 ms | 256 KB |
20_max_03.txt | AC | 103 ms | 256 KB |
20_max_04.txt | AC | 82 ms | 256 KB |
20_max_05.txt | AC | 118 ms | 256 KB |
30_overflow_01.txt | AC | 77 ms | 256 KB |
30_overflow_02.txt | AC | 77 ms | 256 KB |
40_dmax_01.txt | AC | 142 ms | 384 KB |
40_dmax_02.txt | AC | 143 ms | 384 KB |
40_dmax_03.txt | AC | 141 ms | 384 KB |
50_prime_01.txt | AC | 86 ms | 256 KB |
50_prime_02.txt | AC | 93 ms | 256 KB |
50_prime_03.txt | AC | 103 ms | 256 KB |
60_prime_pow_01.txt | AC | 103 ms | 256 KB |
60_prime_pow_02.txt | AC | 102 ms | 256 KB |
60_prime_pow_03.txt | AC | 100 ms | 256 KB |
70_one_01.txt | AC | 73 ms | 256 KB |