题解 | chika和蜜柑

import sys
import sys

input = sys.stdin.readline

n, k = map(int, input().split())
ai = list(map(int, input().split()))
bi = list(map(int, input().split()))
res = []
for i in range(n):
    res.append((bi[i], ai[i]))  # (tian,suan)

res.sort(key=lambda x: x[0], reverse=True)
resT = 0
resS = 0

for i in range(k):
    resT += res[i][0]
    resS += res[i][1]
# print(res)
print(resS, resT)