题解 | 绕距
绕距
https://www.nowcoder.com/practice/7a245fc6284f4139b4fb21de58e68483
import sys
import math
str_in = sys.stdin.readlines()
x1, y1 = int(str_in[0].split()[0]), int(str_in[0].split()[1])
x2, y2 = int(str_in[1].split()[0]), int(str_in[1].split()[1])
e = math.sqrt((x1 - x2) ** 2 + (y1 - y2) ** 2)
m = abs(x1-x2) + abs(y1-y2)
res = abs(m - e)
print(f"{res:.6f}")
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