結果
問題 | No.2643 Many Range Sums Problems |
ユーザー | shobonvip |
提出日時 | 2024-02-13 15:06:31 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 681 ms / 8,000 ms |
コード長 | 2,295 bytes |
コンパイル時間 | 271 ms |
コンパイル使用メモリ | 82,136 KB |
実行使用メモリ | 77,380 KB |
最終ジャッジ日時 | 2024-09-28 18:29:30 |
合計ジャッジ時間 | 11,347 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | 36 ms
53,204 KB |
testcase_01 | AC | 38 ms
54,824 KB |
testcase_02 | AC | 37 ms
52,876 KB |
testcase_03 | AC | 340 ms
74,292 KB |
testcase_04 | AC | 288 ms
74,836 KB |
testcase_05 | AC | 276 ms
74,376 KB |
testcase_06 | AC | 380 ms
74,856 KB |
testcase_07 | AC | 383 ms
71,800 KB |
testcase_08 | AC | 357 ms
77,056 KB |
testcase_09 | AC | 386 ms
75,756 KB |
testcase_10 | AC | 349 ms
73,184 KB |
testcase_11 | AC | 233 ms
69,008 KB |
testcase_12 | AC | 681 ms
75,200 KB |
testcase_13 | AC | 616 ms
77,340 KB |
testcase_14 | AC | 361 ms
75,672 KB |
testcase_15 | AC | 368 ms
75,464 KB |
testcase_16 | AC | 323 ms
77,272 KB |
testcase_17 | AC | 347 ms
77,196 KB |
testcase_18 | AC | 284 ms
77,120 KB |
testcase_19 | AC | 96 ms
75,364 KB |
testcase_20 | AC | 144 ms
75,016 KB |
testcase_21 | AC | 77 ms
72,380 KB |
testcase_22 | AC | 172 ms
74,904 KB |
testcase_23 | AC | 262 ms
77,380 KB |
testcase_24 | AC | 406 ms
75,920 KB |
testcase_25 | AC | 387 ms
76,952 KB |
testcase_26 | AC | 97 ms
74,020 KB |
testcase_27 | AC | 100 ms
75,060 KB |
testcase_28 | AC | 37 ms
54,776 KB |
testcase_29 | AC | 36 ms
53,348 KB |
testcase_30 | AC | 373 ms
70,096 KB |
testcase_31 | AC | 391 ms
76,832 KB |
testcase_32 | AC | 663 ms
75,912 KB |
testcase_33 | AC | 664 ms
75,764 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") n, k = map(int,input().split()) r = [0] * n x = [0] * n for i in range(n): r[i], x[i] = map(int,input().split()) tmp_x = x[::] tmp_v = [0] * n tmp_rx = [0] * (n + 1) tmp_rv = [0] * (n + 1) for st in range(n): tmp_x[st] = 0 tmp_v[st] = 1 mode = 1 m_lb = - 10 ** 18 m_ub = 10 ** 18 for i in range(n-1,-1,-1): tmp_rx[i] = tmp_rx[r[i]] + tmp_x[i] tmp_rv[i] = tmp_rv[r[i]] + tmp_v[i] tar_x = tmp_rx[i] - tmp_rx[i+1] tar_v = tmp_rv[i] - tmp_rv[i+1] # 0 <= tar_x + tar_v * M <= K if tar_v == 0: if not 0 <= tar_x <= k: mode = 0 elif tar_v == 1: m_lb = max(m_lb, - tar_x) m_ub = min(m_ub, k - tar_x) else: m_lb = max(m_lb, tar_x - k) m_ub = min(m_ub, tar_x) if not m_lb <= m_ub: mode = 0 if mode: print("Yes") else: print("No") tmp_x[st] = x[st] tmp_v[st] = 0