You are given a binary string s and an integer k.
You are also given a 2D integer array queries, where queries[i] = [li, ri].
A binary string satisfies the k-constraint if either of the following conditions holds:
\n\n0's in the string is at most k.1's in the string is at most k.Return an integer array answer, where answer[i] is the number of substrings of s[li..ri] that satisfy the k-constraint.
\n
Example 1:
\n\nInput: s = "0001111", k = 2, queries = [[0,6]]
\n\nOutput: [26]
\n\nExplanation:
\n\nFor the query [0, 6], all substrings of s[0..6] = "0001111" satisfy the k-constraint except for the substrings s[0..5] = "000111" and s[0..6] = "0001111".
Example 2:
\n\nInput: s = "010101", k = 1, queries = [[0,5],[1,4],[2,3]]
\n\nOutput: [15,9,3]
\n\nExplanation:
\n\nThe substrings of s with a length greater than 3 do not satisfy the k-constraint.
\n
Constraints:
\n\n1 <= s.length <= 105s[i] is either '0' or '1'.1 <= k <= s.length1 <= queries.length <= 105queries[i] == [li, ri]0 <= li <= ri < s.length给你一个 二进制 字符串 s 和一个整数 k。
另给你一个二维整数数组 queries ，其中 queries[i] = [li, ri] 。
如果一个 二进制字符串 满足以下任一条件，则认为该字符串满足 k 约束：
\n\n0 的数量最多为 k。1 的数量最多为 k。返回一个整数数组 answer ，其中 answer[i] 表示 s[li..ri] 中满足 k 约束 的 子字符串 的数量。
\n\n
示例 1：
\n\n输入：s = \"0001111\", k = 2, queries = [[0,6]]
\n\n输出：[26]
\n\n解释：
\n\n对于查询 [0, 6]， s[0..6] = \"0001111\" 的所有子字符串中，除 s[0..5] = \"000111\" 和 s[0..6] = \"0001111\" 外，其余子字符串都满足 k 约束。
示例 2：
\n\n输入：s = \"010101\", k = 1, queries = [[0,5],[1,4],[2,3]]
\n\n输出：[15,9,3]
\n\n解释：
\n\ns 的所有子字符串中，长度大于 3 的子字符串都不满足 k 约束。
\n\n
提示：
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"style": "LEETCODE",
"exampleTestcases": "\"0001111\"\n2\n[[0,6]]\n\"010101\"\n1\n[[0,5],[1,4],[2,3]]",
"__typename": "QuestionNode"
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