結果

問題 No.1606 Stuffed Animals Keeper
ユーザー kyaneko999kyaneko999
提出日時 2021-07-16 22:24:27
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 117 ms / 3,000 ms
コード長 3,656 bytes
コンパイル時間 147 ms
コンパイル使用メモリ 82,304 KB
実行使用メモリ 78,580 KB
最終ジャッジ日時 2024-07-06 09:49:33
合計ジャッジ時間 5,338 ms
ジャッジサーバーID
(参考情報)
judge5 / judge2
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 54 ms
65,536 KB
testcase_01 AC 54 ms
66,048 KB
testcase_02 AC 55 ms
66,176 KB
testcase_03 AC 107 ms
78,208 KB
testcase_04 AC 112 ms
78,096 KB
testcase_05 AC 85 ms
77,996 KB
testcase_06 AC 92 ms
78,008 KB
testcase_07 AC 102 ms
77,952 KB
testcase_08 AC 104 ms
77,952 KB
testcase_09 AC 90 ms
78,080 KB
testcase_10 AC 82 ms
77,952 KB
testcase_11 AC 78 ms
77,964 KB
testcase_12 AC 90 ms
77,952 KB
testcase_13 AC 58 ms
67,840 KB
testcase_14 AC 56 ms
67,840 KB
testcase_15 AC 55 ms
67,072 KB
testcase_16 AC 110 ms
77,952 KB
testcase_17 AC 116 ms
78,416 KB
testcase_18 AC 115 ms
78,580 KB
testcase_19 AC 111 ms
78,088 KB
testcase_20 AC 113 ms
78,116 KB
testcase_21 AC 80 ms
77,696 KB
testcase_22 AC 80 ms
77,568 KB
testcase_23 AC 81 ms
78,080 KB
testcase_24 AC 81 ms
77,568 KB
testcase_25 AC 81 ms
77,952 KB
testcase_26 AC 67 ms
73,344 KB
testcase_27 AC 68 ms
73,472 KB
testcase_28 AC 68 ms
72,832 KB
testcase_29 AC 68 ms
73,344 KB
testcase_30 AC 68 ms
72,960 KB
testcase_31 AC 66 ms
71,808 KB
testcase_32 AC 61 ms
69,760 KB
testcase_33 AC 63 ms
71,680 KB
testcase_34 AC 61 ms
69,760 KB
testcase_35 AC 66 ms
72,448 KB
testcase_36 AC 67 ms
71,680 KB
testcase_37 AC 64 ms
71,520 KB
testcase_38 AC 64 ms
71,680 KB
testcase_39 AC 63 ms
70,400 KB
testcase_40 AC 62 ms
71,040 KB
testcase_41 AC 63 ms
70,400 KB
testcase_42 AC 63 ms
70,272 KB
testcase_43 AC 116 ms
78,080 KB
testcase_44 AC 114 ms
78,224 KB
testcase_45 AC 107 ms
78,208 KB
testcase_46 AC 114 ms
78,212 KB
testcase_47 AC 117 ms
78,224 KB
testcase_48 AC 54 ms
65,536 KB
testcase_49 AC 52 ms
65,536 KB
testcase_50 AC 53 ms
64,640 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 exit, stdin, setrecursionlimit
from collections import deque, defaultdict, Counter
from copy import deepcopy
from bisect import bisect_left, bisect_right, insort_left, insort_right
from heapq import heapify, heappop, heappush
from itertools import product, permutations, combinations, combinations_with_replacement
from functools import reduce
from math import gcd, sin, cos, tan, asin, acos, atan, atan2, degrees, radians, ceil, floor, sqrt, factorial
from math import pi as PI
from random import randint
# from decimal import Decimal

setrecursionlimit(500000)
INF = (1<<61)-1
EPS = 1e-10
MOD = 10**9+7
# MOD = 998244353

def input():
    return stdin.readline()[:-1]
def intput():
    return int(stdin.readline())
def minput():
    return stdin.readline()[:-1].split()
def linput():
    return stdin.readline()[:-1].split()
def mint():
    return map(int,stdin.readline().split())
def lint():
    return list(map(int,stdin.readline().split()))
def ilint():
    return int(stdin.readline()), list(map(int,stdin.readline().split()))
def lcm(x,y):
    return x*y//gcd(x,y)
def lgcd(l):
    return reduce(gcd,l)
def llcm(l):
    return reduce(lcm,l)
def powmod(n,i,mod=MOD):
    return pow(n,mod-1+i,mod) if i<0 else pow(n,i,mod)
def div2(x):
    return x.bit_length()
def div10(x):
    return len(str(x))-(x==0)
def popcount(x):
    return bin(x).count('1')
def digit(x,i,max_len=None):
    s = str(x)
    if max_len:
        i -= max_len-len(s)
    return int(s[i-1]) if i>0 else 0
def digitsum(x):
    ans = 0
    for i in range(div10(x)):
        ans += digit(x,i+1)
    return ans
def pf(x,mode='counter'):
    C = Counter()
    p = 2
    while x>1:
        k = 0
        while x%p==0:
            x //= p
            k += 1
        if k>0:
            C[p] += k
        p = p+2-(p==2) if p*p<x else x
    if mode=='counter':
        return C
    S = set([1])
    for k in C:
        T = set()
        for x in S:
            for i in range(C[k]+1):
                T.add(x*(k**i))
        S = T
    if mode=='set':
        return S
    if mode=='list':
        return sorted(S)
def isprime(x):
    if x<2:
        return False
    return len(pf(x,'set'))==2
def matmul(A, B):
    # import numpy
    A1, A2 = A >> 15, A & (1 << 15) - 1
    B1, B2 = B >> 15, B & (1 << 15) - 1
    X = np.dot(A1, B1) % MOD
    Y = np.dot(A2, B2)
    Z = np.dot(A1 + A2, B1 + B2) - X - Y
    return ((X << 30) + (Z << 15) + Y) % MOD
def matpow(A, N):
    P = np.eye(A.shape[0], dtype=np.int64)
    while N:
        if N & 1:
            P = matmul(P, A)
        A = matmul(A, A)
        N >>= 1
    return P
def zash(S):
    lis = sorted(S)
    dic = {}
    for i,x in enumerate(lis):
        dic[x] = i
    return lis, dic
def pr(*x):
    print(*x, sep='', end='') if len(x) else print()
def lprint(l):
    for x in l: print(x)
def ston(c, c0='a'):
    return ord(c)-ord(c0)
def ntos(x, c0='a'):
    return chr(x+ord(c0))
def judge(x, l=['Yes', 'No']):
    print(l[0] if x else l[1])
def debug(*x, flag=1):
    if flag: print(*x)

######################################################

N,A=ilint()
M=5000
l=[]
left=0
right=0
all_right=0
for a in A:
    if a==0:
        left+=1
        right+=1
    elif a==1:
        left+=1
    elif left>0:
        l.append([left,right])
        all_right+=right
        left=0
        right=0
if left>0:
    l.append([left,right])
    all_right+=right
dp=[INF]*(M+1)
dp[0]=0
for left,right in l:
    nxt=[INF]*(M+1)
    for v in range(M+1):
        if dp[v]<INF:
            nxt[v]=min(nxt[v],dp[v])
            nxt[v+left]=min(nxt[v+left],dp[v]+left-right)
    dp=nxt
ans=dp[all_right]
print(ans if ans<INF else -1)
0