結果

問題 No.1780 [Cherry Anniversary] 真冬に咲く26の櫻の木
ユーザー mkawa2mkawa2
提出日時 2021-12-09 09:15:43
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 598 ms / 2,000 ms
コード長 2,034 bytes
コンパイル時間 547 ms
コンパイル使用メモリ 87,184 KB
実行使用メモリ 79,156 KB
最終ジャッジ日時 2023-09-23 19:36:45
合計ジャッジ時間 18,256 ms
ジャッジサーバーID
(参考情報)
judge12 / judge11
このコードへのチャレンジ(β)

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 96 ms
76,468 KB
testcase_01 AC 114 ms
77,304 KB
testcase_02 AC 195 ms
77,932 KB
testcase_03 AC 179 ms
77,556 KB
testcase_04 AC 208 ms
77,992 KB
testcase_05 AC 188 ms
78,120 KB
testcase_06 AC 197 ms
78,096 KB
testcase_07 AC 205 ms
78,072 KB
testcase_08 AC 209 ms
78,212 KB
testcase_09 AC 203 ms
78,328 KB
testcase_10 AC 195 ms
77,872 KB
testcase_11 AC 191 ms
78,100 KB
testcase_12 AC 162 ms
77,828 KB
testcase_13 AC 146 ms
77,268 KB
testcase_14 AC 391 ms
78,740 KB
testcase_15 AC 540 ms
78,964 KB
testcase_16 AC 487 ms
78,644 KB
testcase_17 AC 388 ms
78,672 KB
testcase_18 AC 443 ms
78,656 KB
testcase_19 AC 402 ms
78,828 KB
testcase_20 AC 464 ms
78,808 KB
testcase_21 AC 573 ms
78,692 KB
testcase_22 AC 598 ms
78,944 KB
testcase_23 AC 431 ms
78,652 KB
testcase_24 AC 578 ms
78,800 KB
testcase_25 AC 393 ms
78,848 KB
testcase_26 AC 393 ms
78,456 KB
testcase_27 AC 462 ms
78,696 KB
testcase_28 AC 387 ms
78,780 KB
testcase_29 AC 381 ms
78,784 KB
testcase_30 AC 511 ms
79,044 KB
testcase_31 AC 399 ms
79,156 KB
testcase_32 AC 360 ms
78,508 KB
testcase_33 AC 436 ms
78,828 KB
testcase_34 AC 81 ms
75,600 KB
testcase_35 AC 254 ms
77,672 KB
testcase_36 AC 82 ms
75,604 KB
testcase_37 AC 254 ms
77,840 KB
testcase_38 AC 322 ms
78,488 KB
testcase_39 AC 343 ms
78,296 KB
testcase_40 AC 350 ms
78,500 KB
testcase_41 AC 355 ms
78,440 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

import sys

sys.setrecursionlimit(200005)
int1 = lambda x: int(x)-1
pDB = 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 = 998244353
md = 10**8+9

def 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 = -inf
            for a, b in zip(row, col):
                if a == -inf or b == -inf: continue
                cur = a+b
                if cur > v: v = cur
            res[i][j] = v
    return res

def 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 >>= 1
    return res

cc = 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] = 0

for _ 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)-65
        ee[f][a][b] = ee[f][b][a] = max(ee[f][a][b], e)
# p2D(ee)

ss = [0]*16
for 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: continue
        if e == -inf:
            ss[i] = -inf
        else:
            ss[i] += e
# pDB(ss)

ans = max(ss)
if ans == -inf: ans = "Impossible"
print(ans)
0