题解 | #猜数#
猜数
https://www.nowcoder.com/practice/3eb9a66c7fa24b90845271f6b80b7092
x, y = map(int,input().split())
if 2 * x <= y:
print(0)
elif x < y:
tmp = (2*x-y+1)//2
print(tmp)
else:
tmp = (y-1)//2
print(tmp)
2023-09-12 18:05 中南大学 数据分析师
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