806 B | 806 chars
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
from datetime import datetime, timedelta
# sys.setrecursionlimit(10**7)
BLANK = " "
# inp = input
inp = lambda : sys.stdin.readline().rstrip()
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 sqrt((a[0] - b[0]) ** 2 + (a[1] - b[1]) ** 2)
def solve():
n = ii()
points = [mfi() for _ in range(n)]
m = ii()
for _ in range(m):
k = ii()
path = mii()
dis = 0
for i in range(1, k):
dis += f(points[path[i - 1]], points[path[i]])
p(round(dis))
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()