結果
問題 | No.1780 [Cherry Anniversary] 真冬に咲く26の櫻の木 |
ユーザー |
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提出日時 | 2021-12-09 09:15:43 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 496 ms / 2,000 ms |
コード長 | 2,034 bytes |
コンパイル時間 | 382 ms |
コンパイル使用メモリ | 82,308 KB |
実行使用メモリ | 77,576 KB |
最終ジャッジ日時 | 2024-07-16 19:26:02 |
合計ジャッジ時間 | 12,976 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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ファイルパターン | 結果 |
---|---|
other | AC * 42 |
ソースコード
import syssys.setrecursionlimit(200005)int1 = lambda x: int(x)-1pDB = lambda *x: print(*x, end="\n", file=sys.stderr)p2D = lambda x: print(*x, sep="\n", end="\n\n", file=sys.stderr)def II(): return int(sys.stdin.readline())def LI(): return list(map(int, sys.stdin.readline().split()))def LLI(rows_number): return [LI() for _ in range(rows_number)]def LI1(): return list(map(int1, sys.stdin.readline().split()))def LLI1(rows_number): return [LI1() for _ in range(rows_number)]def SI(): return sys.stdin.readline().rstrip()dij = [(0, 1), (-1, 0), (0, -1), (1, 0)]# dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)]inf = 18446744073709551615# inf = 4294967295# md = 10**9+7# md = 998244353md = 10**8+9def dot(aa, bb):h = len(aa)w = len(bb[0])res = [[0]*w for _ in range(h)]for i, row in enumerate(aa):for j, col in enumerate(zip(*bb)):v = -inffor a, b in zip(row, col):if a == -inf or b == -inf: continuecur = a+bif cur > v: v = curres[i][j] = vreturn resdef matpow(mat, e):n = len(mat)res = [[0 if i == j else -inf for j in range(n)] for i in range(n)]while e:if e & 1: res = dot(res, mat)mat = dot(mat, mat)e >>= 1return rescc = LI1()kk = LI()n = II()ee = [[[-inf]*16 for _ in range(16)] for _ in range(26)]for f in range(26):for c in range(16):ee[f][c][c] = 0for _ in range(n):s, a, b, e = SI().split()a = int1(a)b = int1(b)e = int(e)for f in s:f = ord(f)-65ee[f][a][b] = ee[f][b][a] = max(ee[f][a][b], e)# p2D(ee)ss = [0]*16for f in range(26):c = cc[f]eef = ee[f]eef = matpow(eef, kk[f])# p2D(eef)for i, e in enumerate(eef[c]):if ss[i] == -inf: continueif e == -inf:ss[i] = -infelse:ss[i] += e# pDB(ss)ans = max(ss)if ans == -inf: ans = "Impossible"print(ans)