백준.ATM.11399.py

https://www.acmicpc.net/problem/11399

11399번: ATM

import sys
def solution():
    total_time, n = 0, int(sys.stdin.readline().rstrip())
    input_time = list(map(int, sys.stdin.readline().rstrip().split()))
    input_time.sort()
    for i, t in enumerate(input_time):
        total_time += t*(n-i)
    return total_time

if __name__ == '__main__':
    print(solution())