結果
問題 | No.1067 #いろいろな色 / Red and Blue and more various colors (Middle) |
ユーザー | Alex Wice |
提出日時 | 2020-05-29 22:12:38 |
言語 | PyPy2 (7.3.15) |
結果 |
AC
|
実行時間 | 797 ms / 2,000 ms |
コード長 | 1,421 bytes |
コンパイル時間 | 1,586 ms |
コンパイル使用メモリ | 76,804 KB |
実行使用メモリ | 227,580 KB |
最終ジャッジ日時 | 2024-11-06 05:07:08 |
合計ジャッジ時間 | 10,291 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 25 |
ソースコード
FAST_IO = 1 if FAST_IO: import io, sys, atexit rr = iter(sys.stdin.read().splitlines()).next sys.stdout = _OUTPUT_BUFFER = io.BytesIO() @atexit.register def write(): sys.__stdout__.write(_OUTPUT_BUFFER.getvalue()) else: rr = raw_input rri = lambda: int(rr()) rrm = lambda: map(int, rr().split()) #### from collections import defaultdict as ddic N,Q = rrm() A = rrm() A.sort() MOD = 998244353 poly = [1] # reverse order, MSB -> LSB for i, c in enumerate(A): A[i] -= 1 for a in A: # multiply by x + a poly.append(0) for i in xrange(len(poly) - 2, -1, -1): poly[i+1] += a * poly[i] poly[i+1] %= MOD poly[0] %= MOD polys = [poly[:]] for a in A: # Divide by x + a quot = [] for i in xrange(len(poly) - 1): coeff = poly[i] quot.append(coeff) poly[i+1] -= a * coeff % MOD poly[i+1] %= MOD poly = quot # multiply by a + 1 #poly.append(0) for i in xrange(len(poly)): poly[i] *= a+1 poly[i] %= MOD polys.append(poly[:]) #print("!", polys) #print(len(polys)) for _ in xrange(Q): l, r, p = rrm() i = 0 # index of polys[] bns = 0 #print("!", [row[~p] for row in polys]) for c in xrange(l, r+1): while i+1 < len(polys) and c > A[i]+1: i += 1 try: bns ^= polys[i][~p] except: pass print bns