結果

問題 No.1583 Building Blocks
ユーザー kyaneko999kyaneko999
提出日時 2021-07-02 22:20:30
言語 PyPy3
(7.3.15)
結果
WA  
実行時間 -
コード長 3,319 bytes
コンパイル時間 154 ms
コンパイル使用メモリ 82,196 KB
実行使用メモリ 73,084 KB
最終ジャッジ日時 2024-06-29 12:00:32
合計ジャッジ時間 4,229 ms
ジャッジサーバーID
(参考情報)
judge4 / judge5
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 48 ms
65,360 KB
testcase_01 AC 48 ms
65,144 KB
testcase_02 AC 48 ms
65,068 KB
testcase_03 WA -
testcase_04 AC 53 ms
66,648 KB
testcase_05 WA -
testcase_06 WA -
testcase_07 WA -
testcase_08 WA -
testcase_09 WA -
testcase_10 WA -
testcase_11 AC 48 ms
65,644 KB
testcase_12 WA -
testcase_13 WA -
testcase_14 WA -
testcase_15 WA -
testcase_16 WA -
testcase_17 WA -
testcase_18 AC 50 ms
66,700 KB
testcase_19 WA -
testcase_20 WA -
testcase_21 WA -
testcase_22 WA -
testcase_23 WA -
testcase_24 AC 58 ms
71,796 KB
testcase_25 AC 48 ms
66,420 KB
testcase_26 AC 58 ms
71,316 KB
testcase_27 AC 52 ms
68,840 KB
testcase_28 AC 57 ms
70,776 KB
testcase_29 AC 51 ms
67,684 KB
testcase_30 AC 50 ms
66,764 KB
testcase_31 AC 54 ms
70,204 KB
testcase_32 AC 51 ms
67,664 KB
testcase_33 AC 60 ms
70,916 KB
testcase_34 AC 47 ms
65,712 KB
testcase_35 AC 54 ms
69,100 KB
testcase_36 AC 56 ms
70,860 KB
testcase_37 AC 52 ms
66,996 KB
testcase_38 AC 48 ms
65,068 KB
testcase_39 AC 47 ms
64,856 KB
testcase_40 AC 47 ms
65,060 KB
testcase_41 AC 47 ms
65,676 KB
testcase_42 AC 47 ms
64,860 KB
testcase_43 AC 48 ms
64,724 KB
testcase_44 AC 47 ms
65,532 KB
testcase_45 AC 48 ms
65,324 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
from sys import exit, stdin
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
from math import pi as PI
from random import randint
# from decimal import Decimal

sys.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 = deepcopy(S)
        for x in T:
            for i in range(1,C[k]+1):
                S.add(x*(k**i))
    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=intput()
l=[lint() for _ in range(N)]
l.sort(key=lambda x:sum(x))
LIS=[INF]*(N+2)
LIS[0]=0
for w,s in l:
    tmp=0
    i=0
    while tmp+LIS[i]<=s:
        tmp+=LIS[i]
        i+=1
    LIS[i]=min(LIS[i],w)
ans=0
while LIS[ans+1]<INF:
    ans+=1
print(ans)
0