5531. 特殊数组的特征值
传送门
题意
结题思路
# 思路1:
# 遍历数组,模拟判断。
class Solution(object):
def specialArray(self, nums):
"""
:type nums: List[int]
:rtype: int
"""
len1 = len(nums)
for i in range(1, len1+1):
count = 0
# 有几个元素大于或者等于nums[i]
for j in range(len1):
if(nums[j] >= i):
count += 1
if(count == i):
return i
return -1