結果
問題 | No.2242 Cities and Teleporters |
ユーザー | shobonvip |
提出日時 | 2023-03-08 17:01:33 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 1,527 ms / 3,000 ms |
コード長 | 2,393 bytes |
コンパイル時間 | 388 ms |
コンパイル使用メモリ | 81,676 KB |
実行使用メモリ | 168,992 KB |
最終ジャッジ日時 | 2023-10-18 06:55:03 |
合計ジャッジ時間 | 25,228 ms |
ジャッジサーバーID (参考情報) |
judge13 / judge12 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 40 ms
53,464 KB |
testcase_01 | AC | 41 ms
53,464 KB |
testcase_02 | AC | 39 ms
53,464 KB |
testcase_03 | AC | 43 ms
53,464 KB |
testcase_04 | AC | 41 ms
53,464 KB |
testcase_05 | AC | 985 ms
164,700 KB |
testcase_06 | AC | 1,076 ms
166,608 KB |
testcase_07 | AC | 1,153 ms
168,240 KB |
testcase_08 | AC | 1,286 ms
168,144 KB |
testcase_09 | AC | 1,332 ms
168,140 KB |
testcase_10 | AC | 595 ms
168,992 KB |
testcase_11 | AC | 851 ms
168,236 KB |
testcase_12 | AC | 908 ms
168,320 KB |
testcase_13 | AC | 881 ms
168,720 KB |
testcase_14 | AC | 1,110 ms
168,836 KB |
testcase_15 | AC | 862 ms
168,968 KB |
testcase_16 | AC | 1,024 ms
168,492 KB |
testcase_17 | AC | 1,527 ms
168,352 KB |
testcase_18 | AC | 884 ms
167,128 KB |
testcase_19 | AC | 1,017 ms
167,276 KB |
testcase_20 | AC | 1,088 ms
164,980 KB |
testcase_21 | AC | 847 ms
165,728 KB |
testcase_22 | AC | 1,000 ms
164,972 KB |
testcase_23 | AC | 1,025 ms
168,472 KB |
testcase_24 | AC | 1,018 ms
168,620 KB |
testcase_25 | AC | 1,060 ms
168,408 KB |
ソースコード
import os import sys from io import BytesIO, IOBase BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.mode or "r" not in file.mode self.write = self.buffer.write if self.writable else None def read(self): while True: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) if not b: break ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines = 0 return self.buffer.read() def readline(self): while self.newlines == 0: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) self.newlines = b.count(b"\n")+(not b) ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines -= 1 return self.buffer.readline() def flush(self): if self.writable: os.write(self._fd, self.buffer.getvalue()) self.buffer.truncate(0), self.buffer.seek(0) class IOWrapper(IOBase): def __init__(self, file): self.buffer = FastIO(file) self.flush = self.buffer.flush self.writable = self.buffer.writable self.write = lambda s:self.buffer.write(s.encode("ascii")) self.read = lambda:self.buffer.read().decode("ascii") self.readline = lambda:self.buffer.readline().decode("ascii") sys.stdin, sys.stdout = IOWrapper(sys.stdin), IOWrapper(sys.stdout) input = lambda:sys.stdin.readline().rstrip("\r\n") import bisect n = int(input()) h = list(map(int,input().split())) t = list(map(int,input().split())) g = [(h[i] << 31) + (1 << 30) - t[i] for i in range(n)] g.sort() hs = [g[i] >> 31 for i in range(n)] ts = [(1 << 30) - (g[i] & ((1 << 31) - 1)) for i in range(n)] dp = [[0] * n for i in range(30)] tmp = 0 for i in range(n): tmp = max(tmp, ts[i]) dp[0][i] = max(i, bisect.bisect_right(hs, tmp) - 1) for i in range(29): for j in range(n): if dp[i][j] >= 0: dp[i+1][j] = max(dp[i][j], dp[i][dp[i][j]]) else: dp[i+1][j] = -1 #print(dp) q = int(input()) for i in range(q): a, b = map(int,input().split()) a -= 1 b -= 1 f = 1 r = bisect.bisect_right(hs, t[a]) - 1 if r == -1: print(-1) continue if hs[r] >= h[b]: print(1) continue for j in range(29,-1,-1): if dp[j][r] >= 0 and hs[dp[j][r]] < h[b]: f += 2 ** j r = dp[j][r] if f >= n + 1: print(-1) else: print(f + 1)