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)
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)
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