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#25596: WA line7


dumpdumpgiant@gmail.com (然.)

a215. 明明愛數數 | From: [220.133.157.253] | 發表日期: 2021-06-05 14:40
while True:
try:
n, m = input().split()
except:
break
else:
n, m = int(n), int(m)
total = 0
answer = 0
while total <= m:
total += n
n += 1
answer += 1
# print(answer, total)
print(answer)
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