购物单

def solve(____):
    n = int(____)
    items = [list(map(int, item.split(____))) for item in str(____).split(____)]
    N = n // ____
    dp = [____] * (____)
    for price, importance in items:
        w = price // ____
        v = price * importance // ____
        for j in range(____):
            dp[j] = max(____)
    print(____)