結果
| 問題 |
No.515 典型LCP
|
| コンテスト | |
| ユーザー |
lam6er
|
| 提出日時 | 2025-04-15 21:00:45 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 1,641 bytes |
| コンパイル時間 | 180 ms |
| コンパイル使用メモリ | 82,976 KB |
| 実行使用メモリ | 102,328 KB |
| 最終ジャッジ日時 | 2025-04-15 21:06:06 |
| 合計ジャッジ時間 | 4,923 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 11 TLE * 4 |
ソースコード
def main():
import sys
input = sys.stdin.read().split()
ptr = 0
N = int(input[ptr])
ptr += 1
strings = []
for _ in range(N):
strings.append(input[ptr])
ptr += 1
base = 911382629
mod = 10**18 + 3
hash_list = []
lengths = []
for s in strings:
n = len(s)
lengths.append(n)
h = [0] * (n + 1)
current_hash = 0
for i in range(n):
current_hash = (current_hash * base + ord(s[i])) % mod
h[i+1] = current_hash
hash_list.append(h)
M = int(input[ptr])
x = int(input[ptr+1])
d = int(input[ptr+2])
ptr +=3
sum_ans = 0
current_x = x
n = N
n_minus_1 = n -1
n_times_n_minus_1 = n * (n-1)
for _ in range(M):
i = (current_x // n_minus_1) + 1
j_initial = (current_x % n_minus_1) + 1
if i > j_initial:
i, j = j_initial, i
else:
j = j_initial + 1
a = i -1
b = j -1
s_hash = hash_list[a]
t_hash = hash_list[b]
s_len = lengths[a]
t_len = lengths[b]
max_possible = min(s_len, t_len)
low = 0
high = max_possible
ans = 0
while low <= high:
mid = (low + high) // 2
if s_hash[mid] == t_hash[mid]:
ans = mid
low = mid +1
else:
high = mid -1
sum_ans += ans
current_x = (current_x + d) % n_times_n_minus_1
print(sum_ans)
if __name__ == "__main__":
main()
lam6er