蓝桥杯真题（Python）每日练Day2-题解

import queue
pq=queue.PriorityQueue()
n=int(input())
a =list(map(int,input().split()))
for i in range(len(a)):
  pq.put(a[i])
sum=0
while pq.qsize()>1:
  t=pq.get()+pq.get()
  sum+=t
  pq.put(t)
print(sum)