Submission #1305393

#	Time	Username	Problem	Language	Result	Execution time	Memory
1305393		aditya_k47	Bank (IZhO14_bank)	Pypy 3	100 / 100	424 ms	67496 KiB

bank

import sys

n,m=map(int,input().split())
a=list(map(int,input().split()))
b=list(map(int,input().split()))

prefix=[-1]*(1<<m)
left=[-1]*(1<<m)
prefix[0]=left[0]=0 

for s in range(1,1<<m):
    for i in range(m):
        if not s>>i&1:
            continue
        bit=s^(1<<i)
        idx=prefix[bit]
        if idx==-1:
            continue
        amt=left[bit]+b[i]
        
        if amt<a[idx]:
            left[s]=amt
            prefix[s]=idx 
        elif amt==a[idx]:
            left[s]=0
            prefix[s]=idx+1

        if prefix[s]==n:
            print("YES")
            exit()

print("NO")

Compilation message (stdout)

Compiling 'bank.py'...

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  adding: __main__.pyc (deflated 30%)

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• Subtask 1: 19 / 19
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 29 / 29