580 B | 580 chars
import sys
from math import sqrt, pi, sin, factorial
inp = lambda : sys.stdin.readline()[:-1].strip()
mii = lambda x = " " : [*map(int,inp().split(x))]
mfi = lambda x = " " : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def solve():
n = ii()
l = [0] + mii() + [1440]
ans = 0
for i in range(len(l) - 1):
if l[i + 1] - l[i] >= 120:
ans += (l[i + 1] - l[i]) // 120
if ans >= 2:
return "YES"
return "NO"
if __name__ == "__main__":
tc = ii()
for t in range(1, tc+1):
ret = solve()
p(ret)