💡 Python 3
부족한 금액 계산하기 [Link]
def solution(p, m, c):
result = 0
for i in range(1, c+1):
result += p * i
return 0 if m > result else abs(result-m)
def solution(price, money, count):
return max(0,price*(count+1)*count//2-money)
def solution(price, money, count):
return abs(min(money - sum([price*i for i in range(1,count+1)]),0))