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aac1p4.py
32 lines (29 loc) · 867 Bytes
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aac1p4.py
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from sys import stdin
from bisect import bisect_left
from math import sqrt
input = stdin.readline
num, q = [int(x) for x in input().split()]
numbers = [int(x) for x in input().split()]
positions = [[99999999] for _ in range(100001)]
for i in range(num):
positions[numbers[i]].append(i)
numbers = set(numbers)
for _ in range(q):
a, b, num = [int(x) for x in input().split()]
a -= 1
found = False
for i in range(1, int(sqrt(num)) + 2):
if num % i == 0:
j = num // i
if i == j:
continue
if bisect_left(positions[i], a) == bisect_left(positions[i], b):
continue
if bisect_left(positions[j], a) == bisect_left(positions[j], b):
continue
found = True
break
if found:
print("YES")
else:
print("NO")