723 B | 723 chars
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
BLANK = " "
inp = input
# inp = lambda : sys.stdin.readline()[:-1].strip()
mii = lambda x = BLANK : [*map(int,inp().split(x))]
mfi = lambda x = BLANK : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def dis(a, b):
return (a[0] - b[0]) ** 2 + (a[1] - b[1]) ** 2
def solve():
n = ii()
crt, *l = [mii() for _ in range(n)]
mn = 1111111111111111111
idx = 0
for i in range(n - 1):
d = dis(crt, l[i])
if d < mn:
mn = d
idx = i
p(*crt)
p(*l[idx])
p(f"{sqrt(mn):.2f}")
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()