結果

問題 No.1199 お菓子配り-2
ユーザー cozy_saunacozy_sauna
提出日時 2021-10-10 20:55:19
言語 Python3
(3.12.2 + numpy 1.26.4 + scipy 1.12.0)
結果
AC  
実行時間 399 ms / 1,000 ms
コード長 1,924 bytes
コンパイル時間 324 ms
コンパイル使用メモリ 12,800 KB
実行使用メモリ 51,840 KB
最終ジャッジ日時 2024-09-14 16:40:50
合計ジャッジ時間 19,361 ms
ジャッジサーバーID
(参考情報)
judge4 / judge6
このコードへのチャレンジ
(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 36 ms
11,264 KB
testcase_01 AC 37 ms
11,264 KB
testcase_02 AC 37 ms
11,392 KB
testcase_03 AC 132 ms
21,248 KB
testcase_04 AC 303 ms
37,248 KB
testcase_05 AC 43 ms
12,288 KB
testcase_06 AC 50 ms
13,056 KB
testcase_07 AC 177 ms
23,808 KB
testcase_08 AC 185 ms
28,288 KB
testcase_09 AC 126 ms
21,376 KB
testcase_10 AC 58 ms
13,952 KB
testcase_11 AC 101 ms
19,200 KB
testcase_12 AC 116 ms
19,072 KB
testcase_13 AC 59 ms
13,952 KB
testcase_14 AC 56 ms
13,568 KB
testcase_15 AC 52 ms
13,312 KB
testcase_16 AC 176 ms
27,648 KB
testcase_17 AC 106 ms
19,328 KB
testcase_18 AC 186 ms
29,312 KB
testcase_19 AC 76 ms
15,872 KB
testcase_20 AC 313 ms
42,368 KB
testcase_21 AC 204 ms
30,720 KB
testcase_22 AC 134 ms
21,376 KB
testcase_23 AC 171 ms
25,344 KB
testcase_24 AC 215 ms
31,104 KB
testcase_25 AC 64 ms
14,336 KB
testcase_26 AC 270 ms
33,152 KB
testcase_27 AC 193 ms
29,056 KB
testcase_28 AC 379 ms
51,712 KB
testcase_29 AC 395 ms
51,840 KB
testcase_30 AC 377 ms
51,712 KB
testcase_31 AC 383 ms
51,712 KB
testcase_32 AC 378 ms
51,840 KB
testcase_33 AC 387 ms
51,712 KB
testcase_34 AC 399 ms
51,840 KB
testcase_35 AC 381 ms
51,712 KB
testcase_36 AC 386 ms
51,584 KB
testcase_37 AC 384 ms
51,712 KB
testcase_38 AC 382 ms
51,712 KB
testcase_39 AC 388 ms
51,840 KB
testcase_40 AC 392 ms
51,712 KB
testcase_41 AC 377 ms
51,584 KB
testcase_42 AC 376 ms
51,712 KB
testcase_43 AC 387 ms
51,584 KB
testcase_44 AC 388 ms
51,712 KB
testcase_45 AC 390 ms
51,712 KB
testcase_46 AC 387 ms
51,712 KB
testcase_47 AC 379 ms
51,584 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 #

from sys import setrecursionlimit, stdin
from collections import defaultdict, deque
from itertools import permutations, combinations, product
from functools import lru_cache
from random import sample, choice, randint, random
from heapq import heappush, heappop
from math import factorial, gcd, exp
from copy import copy, deepcopy
from time import time
setrecursionlimit(500000)
readline = stdin.readline
# @lru_cache(maxsize=None)
INF = 10 ** 18
MOD = 1000000007
MOD2 = 998244353
DYDX = [(-1, 0), (1, 0), (0, -1), (0, 1)]
def I(): return int(readline())
def S(): return readline()[:-1]
def LI(): return list(map(int, readline().split()))
def SPI(): return map(int, readline().split())
def SPII(): return map(lambda x: int(x)-1, readline().split())
def FIE(x): return [readline()[:-1] for _ in [0] * x]
def NODE(x): return [[] for _ in [0] * x]
def ranges(*args): return [(i, j) for i in range(args[0]) for j in range(args[-1])]
def nynx(y, x, ly = INF, lx = INF): return [(y+dy, x+dx) for dy, dx in DYDX if 0 <= y+dy < ly and 0 <= x+dx < lx]
def imax(A, idx=-1, m=-(1<<18)):
    for i, a in enumerate(A): m, idx = [[m, idx], [a, i]][m < a]
    return idx
def imin(A, idx=-1, m=1<<18):
    for i, a in enumerate(A): m, idx = [[m, idx], [a, i]][m > a]
    return idx
def cmin(dp, i, x):
    if x < dp[i]: dp[i] = x
def cmax(dp, i, x):
    if x > dp[i]: dp[i] = x
def gen(x, *args):
    ret = [x] * args[-1]
    for e in args[:-1][::-1]: ret = [deepcopy(ret) for _ in [0] * e]
    return ret
def puts(E):
    for e in E: print(e)
def pprint(E): 
    print()
    puts(E)
####################################################################

N, M = SPI()
A = [LI() for _ in range(N)]

dp = gen(-INF, N+1, 2)

dp[0][0] = 0
for i, a in enumerate(A):
    s = sum(A[i])
    # not take
    dp[i+1][0] = dp[i][0]
    dp[i+1][1] = dp[i][1]

    # take
    cmax(dp[i+1], 1, dp[i][0]+s)
    cmax(dp[i+1], 0, dp[i][1]-s)

print(max(dp[N]))
0