Class Solution
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- g0601_0700.s0696_count_binary_substrings.Solution
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public class Solution extends Object
696 - Count Binary Substrings.Easy
Give a binary string
s
, return the number of non-empty substrings that have the same number of0
’s and1
’s, and all the0
’s and all the1
’s in these substrings are grouped consecutively.Substrings that occur multiple times are counted the number of times they occur.
Example 1:
Input: s = “00110011”
Output: 6
Explanation:
There are 6 substrings that have equal number of consecutive 1's and 0's: "0011", "01", "1100", "10", "0011", and "01". Notice that some of these substrings repeat and are counted the number of times they occur. Also, "00110011" is not a valid substring because all the 0's (and 1's) are not grouped together.
Example 2:
Input: s = “10101”
Output: 4
Explanation: There are 4 substrings: “10”, “01”, “10”, “01” that have equal number of consecutive 1’s and 0’s.
Constraints:
1 <= s.length <= 105
s[i]
is either'0'
or'1'
.
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Constructor Summary
Constructors Constructor Description Solution()
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Method Detail
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countBinarySubstrings
public int countBinarySubstrings(String s)
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