701 B | 701 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 f(a, b):
return (a[0] - b[0]) ** 2 + (a[1] - b[1]) ** 2
def solve():
n = ii()
l = [mii() for _ in range(n)]
mx = 0
ans = []
for i in range(n):
for j in range(i + 1, n):
dis = f(l[i], l[j])
if mx < dis:
mx = dis
ans = [i + 1, j + 1]
p(*ans)
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()