Submission #8012866
Source Code Expand
#設定 import sys input = sys.stdin.buffer.readline #ライブラリインポート from collections import defaultdict from fractions import gcd #入力受け取り def getlist(): return list(map(int, input().split())) #処理内容 def main(): N, K = getlist() A = getlist() G = [] if ((K ** 0.5) // 1) ** 2 == K: x = int((K ** 0.5) // 1) for i in range(1, x): if K % i == 0: G.append(i) n = len(G) for i in range(n): G.append(K // G[i]) G.append(int((K ** 0.5) // 1)) else: x = int((K ** 0.5) // 1) for i in range(1, x + 1): if K % i == 0: G.append(i) n = len(G) for i in range(n): G.append(K // G[i]) D = defaultdict(int) for i in range(N): D[gcd(A[i], K)] += 1 ans = 0 n = len(G) for i in range(n): for j in range(i, n): if (G[i] * G[j]) % K == 0: if i != j: ans += (D[G[i]] * D[G[j]]) else: ans += ((D[G[i]] - 1) * D[G[j]]) // 2 print(ans) if __name__ == '__main__': main()
Submission Info
Submission Time | |
---|---|
Task | C - ロト2 |
User | su_565fx |
Language | Python (3.4.3) |
Score | 400 |
Code Size | 1023 Byte |
Status | AC |
Exec Time | 361 ms |
Memory | 24052 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 | 35 ms | 5092 KB |
00_example_02.txt | AC | 35 ms | 5048 KB |
00_example_03.txt | AC | 35 ms | 5048 KB |
10_random_01.txt | AC | 35 ms | 5092 KB |
10_random_02.txt | AC | 36 ms | 5092 KB |
10_random_03.txt | AC | 35 ms | 5048 KB |
10_random_04.txt | AC | 36 ms | 5048 KB |
10_random_05.txt | AC | 35 ms | 5048 KB |
20_max_01.txt | AC | 177 ms | 21888 KB |
20_max_02.txt | AC | 169 ms | 23100 KB |
20_max_03.txt | AC | 229 ms | 22940 KB |
20_max_04.txt | AC | 164 ms | 22872 KB |
20_max_05.txt | AC | 259 ms | 24052 KB |
30_overflow_01.txt | AC | 174 ms | 20568 KB |
30_overflow_02.txt | AC | 174 ms | 20576 KB |
40_dmax_01.txt | AC | 359 ms | 23208 KB |
40_dmax_02.txt | AC | 355 ms | 23220 KB |
40_dmax_03.txt | AC | 361 ms | 23208 KB |
50_prime_01.txt | AC | 180 ms | 21732 KB |
50_prime_02.txt | AC | 203 ms | 23376 KB |
50_prime_03.txt | AC | 227 ms | 22984 KB |
60_prime_pow_01.txt | AC | 230 ms | 22972 KB |
60_prime_pow_02.txt | AC | 225 ms | 22804 KB |
60_prime_pow_03.txt | AC | 221 ms | 22736 KB |
70_one_01.txt | AC | 138 ms | 21784 KB |