結果
| 問題 |
No.1172 Add Recursive Sequence
|
| コンテスト | |
| ユーザー |
Salmonize
|
| 提出日時 | 2020-08-14 23:16:06 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
AC
|
| 実行時間 | 2,386 ms / 4,000 ms |
| コード長 | 1,177 bytes |
| コンパイル時間 | 274 ms |
| コンパイル使用メモリ | 82,328 KB |
| 実行使用メモリ | 378,032 KB |
| 最終ジャッジ日時 | 2024-10-10 16:40:01 |
| 合計ジャッジ時間 | 7,970 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 16 |
ソースコード
import sys
readline = sys.stdin.buffer.readline
readall = sys.stdin.read
ns = lambda: readline().rstrip()
ni = lambda: int(readline().rstrip())
nm = lambda: map(int, readline().split())
nl = lambda: list(map(int, readline().split()))
prn = lambda x: print(*x, sep='\n')
def solve():
mod = 10**9 + 7
k, n, m = nm()
a = nl()
c = nl()[::-1]
def plus1(g):
ret = [(g[i-1] + g[-1] * c[i]) % mod for i in range(k)]
ret[0] = g[-1] * c[0] % mod
return ret
f = [0]*n
g = [list() for _ in range(n+1)]
d = [[0]*k for _ in range(n)]
d[0][0] = 1
for i in range(n-1):
d[i+1] = plus1(d[i])
for _ in range(m):
l, r = nm()
f[l] += 1
g[r].append(r-l)
cur = [0] * k
for i in range(n):
# print(i, f[i], g[i])
cur = plus1(cur)
cur[0] += f[i]
for x in g[i]:
neg = d[x]
for j in range(k):
cur[j] -= neg[j]
# print(cur, i, f[i], g[i])
print(sum(cur[j]*a[j] for j in range(k)) % mod)
# cur = [1, 0]
# for i in range(10):
# cur = plus1(cur)
# print(cur, search(i+1))
return
solve()
Salmonize